From 98875e7206470dcfb862839d47a01ccdb4617656 Mon Sep 17 00:00:00 2001 From: Cezary Daniel Nowak Date: Sat, 20 Apr 2019 21:35:10 +0200 Subject: [PATCH] 1.3.0 --- README.md | 9 + demo/dist/index.dist.js | 40858 ++++++++++++++++++++++---------------- demo/index.js | 104 +- demo/package.json | 5 +- package.json | 2 +- src/clamp.js | 18 +- src/index.js | 4 +- 7 files changed, 24227 insertions(+), 16773 deletions(-) diff --git a/README.md b/README.md index 9aefcf7..b8c44e8 100644 --- a/README.md +++ b/README.md @@ -69,9 +69,18 @@ Known issues: ----------------- - react-dotdotdot does not work with text containers with nested markup. - `padding-bottom` CSS rule breaks clamp +- `line-height` units might be important for React-dotdotdot. We recommend `px` over `em` Changelog ----------------- +1.3.0 +- `useNativeClamp` prop is set to false by default, it was causing some issues. +- Comments are not counted as a text anymore +- Remove Github's `potential security vulnerability ` with `react-dom` + +1.2.4 +- Added TypeScript typings (thanks @vojty and @feimosi) + 1.2.3 - Add the option to choose a tag other than `div` (thanks @Kalita-Roman) - Fix demo on Firefox diff --git a/demo/dist/index.dist.js b/demo/dist/index.dist.js index 2c279d3..b4be4b7 100644 --- a/demo/dist/index.dist.js +++ b/demo/dist/index.dist.js @@ -1,4 +1,4 @@ -(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o camelize('background-color') - * < "backgroundColor" - * - * @param {string} string - * @return {string} - */ -function camelize(string) { - return string.replace(_hyphenPattern, function (_, character) { - return character.toUpperCase(); - }); +function defaultSetTimout() { + throw new Error('setTimeout has not been defined'); } - -module.exports = camelize; -},{}],5:[function(require,module,exports){ -/** - * Copyright (c) 2013-present, Facebook, Inc. - * - * This source code is licensed under the MIT license found in the - * LICENSE file in the root directory of this source tree. - * - * @typechecks - */ - -'use strict'; - -var camelize = require('./camelize'); - -var msPattern = /^-ms-/; - -/** - * Camelcases a hyphenated CSS property name, for example: - * - * > camelizeStyleName('background-color') - * < "backgroundColor" - * > camelizeStyleName('-moz-transition') - * < "MozTransition" - * > camelizeStyleName('-ms-transition') - * < "msTransition" - * - * As Andi Smith suggests - * (http://www.andismith.com/blog/2012/02/modernizr-prefixed/), an `-ms` prefix - * is converted to lowercase `ms`. - * - * @param {string} string - * @return {string} - */ -function camelizeStyleName(string) { - return camelize(string.replace(msPattern, 'ms-')); +function defaultClearTimeout () { + throw new Error('clearTimeout has not been defined'); } - -module.exports = camelizeStyleName; -},{"./camelize":4}],6:[function(require,module,exports){ -'use strict'; - -/** - * Copyright (c) 2013-present, Facebook, Inc. - * - * This source code is licensed under the MIT license found in the - * LICENSE file in the root directory of this source tree. - * - * - */ - -var isTextNode = require('./isTextNode'); - -/*eslint-disable no-bitwise */ - -/** - * Checks if a given DOM node contains or is another DOM node. - */ -function containsNode(outerNode, innerNode) { - if (!outerNode || !innerNode) { - return false; - } else if (outerNode === innerNode) { - return true; - } else if (isTextNode(outerNode)) { - return false; - } else if (isTextNode(innerNode)) { - return containsNode(outerNode, innerNode.parentNode); - } else if ('contains' in outerNode) { - return outerNode.contains(innerNode); - } else if (outerNode.compareDocumentPosition) { - return !!(outerNode.compareDocumentPosition(innerNode) & 16); - } else { - return false; - } +(function () { + try { + if (typeof setTimeout === 'function') { + cachedSetTimeout = setTimeout; + } else { + cachedSetTimeout = defaultSetTimout; + } + } catch (e) { + cachedSetTimeout = defaultSetTimout; + } + try { + if (typeof clearTimeout === 'function') { + cachedClearTimeout = clearTimeout; + } else { + cachedClearTimeout = defaultClearTimeout; + } + } catch (e) { + cachedClearTimeout = defaultClearTimeout; + } +} ()) +function runTimeout(fun) { + if (cachedSetTimeout === setTimeout) { + //normal enviroments in sane situations + return setTimeout(fun, 0); + } + // if setTimeout wasn't available but was latter defined + if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) { + cachedSetTimeout = setTimeout; + return setTimeout(fun, 0); + } + try { + // when when somebody has screwed with setTimeout but no I.E. maddness + return cachedSetTimeout(fun, 0); + } catch(e){ + try { + // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally + return cachedSetTimeout.call(null, fun, 0); + } catch(e){ + // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error + return cachedSetTimeout.call(this, fun, 0); + } + } + + } +function runClearTimeout(marker) { + if (cachedClearTimeout === clearTimeout) { + //normal enviroments in sane situations + return clearTimeout(marker); + } + // if clearTimeout wasn't available but was latter defined + if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) { + cachedClearTimeout = clearTimeout; + return clearTimeout(marker); + } + try { + // when when somebody has screwed with setTimeout but no I.E. maddness + return cachedClearTimeout(marker); + } catch (e){ + try { + // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally + return cachedClearTimeout.call(null, marker); + } catch (e){ + // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error. + // Some versions of I.E. have different rules for clearTimeout vs setTimeout + return cachedClearTimeout.call(this, marker); + } + } -module.exports = containsNode; -},{"./isTextNode":15}],7:[function(require,module,exports){ -"use strict"; -/** - * Copyright (c) 2013-present, Facebook, Inc. - * - * This source code is licensed under the MIT license found in the - * LICENSE file in the root directory of this source tree. - * - * - */ -function makeEmptyFunction(arg) { - return function () { - return arg; - }; } +var queue = []; +var draining = false; +var currentQueue; +var queueIndex = -1; -/** - * This function accepts and discards inputs; it has no side effects. This is - * primarily useful idiomatically for overridable function endpoints which - * always need to be callable, since JS lacks a null-call idiom ala Cocoa. - */ -var emptyFunction = function emptyFunction() {}; +function cleanUpNextTick() { + if (!draining || !currentQueue) { + return; + } + draining = false; + if (currentQueue.length) { + queue = currentQueue.concat(queue); + } else { + queueIndex = -1; + } + if (queue.length) { + drainQueue(); + } +} -emptyFunction.thatReturns = makeEmptyFunction; -emptyFunction.thatReturnsFalse = makeEmptyFunction(false); -emptyFunction.thatReturnsTrue = makeEmptyFunction(true); -emptyFunction.thatReturnsNull = makeEmptyFunction(null); -emptyFunction.thatReturnsThis = function () { - return this; +function drainQueue() { + if (draining) { + return; + } + var timeout = runTimeout(cleanUpNextTick); + draining = true; + + var len = queue.length; + while(len) { + currentQueue = queue; + queue = []; + while (++queueIndex < len) { + if (currentQueue) { + currentQueue[queueIndex].run(); + } + } + queueIndex = -1; + len = queue.length; + } + currentQueue = null; + draining = false; + runClearTimeout(timeout); +} + +process.nextTick = function (fun) { + var args = new Array(arguments.length - 1); + if (arguments.length > 1) { + for (var i = 1; i < arguments.length; i++) { + args[i - 1] = arguments[i]; + } + } + queue.push(new Item(fun, args)); + if (queue.length === 1 && !draining) { + runTimeout(drainQueue); + } +}; + +// v8 likes predictible objects +function Item(fun, array) { + this.fun = fun; + this.array = array; +} +Item.prototype.run = function () { + this.fun.apply(null, this.array); +}; +process.title = 'browser'; +process.browser = true; +process.env = {}; +process.argv = []; +process.version = ''; // empty string to avoid regexp issues +process.versions = {}; + +function noop() {} + +process.on = noop; +process.addListener = noop; +process.once = noop; +process.off = noop; +process.removeListener = noop; +process.removeAllListeners = noop; +process.emit = noop; +process.prependListener = noop; +process.prependOnceListener = noop; + +process.listeners = function (name) { return [] } + +process.binding = function (name) { + throw new Error('process.binding is not supported'); }; -emptyFunction.thatReturnsArgument = function (arg) { - return arg; + +process.cwd = function () { return '/' }; +process.chdir = function (dir) { + throw new Error('process.chdir is not supported'); }; +process.umask = function() { return 0; }; -module.exports = emptyFunction; -},{}],8:[function(require,module,exports){ +},{}],4:[function(require,module,exports){ (function (process){ /** * Copyright (c) 2013-present, Facebook, Inc. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. - * */ 'use strict'; -var emptyObject = {}; +var printWarning = function() {}; if (process.env.NODE_ENV !== 'production') { - Object.freeze(emptyObject); + var ReactPropTypesSecret = require('./lib/ReactPropTypesSecret'); + var loggedTypeFailures = {}; + var has = Function.call.bind(Object.prototype.hasOwnProperty); + + printWarning = function(text) { + var message = 'Warning: ' + text; + if (typeof console !== 'undefined') { + console.error(message); + } + try { + // --- Welcome to debugging React --- + // This error was thrown as a convenience so that you can use this stack + // to find the callsite that caused this warning to fire. + throw new Error(message); + } catch (x) {} + }; } -module.exports = emptyObject; -}).call(this,require('_process')) -},{"_process":19}],9:[function(require,module,exports){ /** - * Copyright (c) 2013-present, Facebook, Inc. - * - * This source code is licensed under the MIT license found in the - * LICENSE file in the root directory of this source tree. + * Assert that the values match with the type specs. + * Error messages are memorized and will only be shown once. * + * @param {object} typeSpecs Map of name to a ReactPropType + * @param {object} values Runtime values that need to be type-checked + * @param {string} location e.g. "prop", "context", "child context" + * @param {string} componentName Name of the component for error messages. + * @param {?Function} getStack Returns the component stack. + * @private */ +function checkPropTypes(typeSpecs, values, location, componentName, getStack) { + if (process.env.NODE_ENV !== 'production') { + for (var typeSpecName in typeSpecs) { + if (has(typeSpecs, typeSpecName)) { + var error; + // Prop type validation may throw. In case they do, we don't want to + // fail the render phase where it didn't fail before. So we log it. + // After these have been cleaned up, we'll let them throw. + try { + // This is intentionally an invariant that gets caught. It's the same + // behavior as without this statement except with a better message. + if (typeof typeSpecs[typeSpecName] !== 'function') { + var err = Error( + (componentName || 'React class') + ': ' + location + ' type `' + typeSpecName + '` is invalid; ' + + 'it must be a function, usually from the `prop-types` package, but received `' + typeof typeSpecs[typeSpecName] + '`.' + ); + err.name = 'Invariant Violation'; + throw err; + } + error = typeSpecs[typeSpecName](values, typeSpecName, componentName, location, null, ReactPropTypesSecret); + } catch (ex) { + error = ex; + } + if (error && !(error instanceof Error)) { + printWarning( + (componentName || 'React class') + ': type specification of ' + + location + ' `' + typeSpecName + '` is invalid; the type checker ' + + 'function must return `null` or an `Error` but returned a ' + typeof error + '. ' + + 'You may have forgotten to pass an argument to the type checker ' + + 'creator (arrayOf, instanceOf, objectOf, oneOf, oneOfType, and ' + + 'shape all require an argument).' + ); + } + if (error instanceof Error && !(error.message in loggedTypeFailures)) { + // Only monitor this failure once because there tends to be a lot of the + // same error. + loggedTypeFailures[error.message] = true; -'use strict'; + var stack = getStack ? getStack() : ''; + + printWarning( + 'Failed ' + location + ' type: ' + error.message + (stack != null ? stack : '') + ); + } + } + } + } +} /** - * @param {DOMElement} node input/textarea to focus + * Resets warning cache when testing. + * + * @private */ - -function focusNode(node) { - // IE8 can throw "Can't move focus to the control because it is invisible, - // not enabled, or of a type that does not accept the focus." for all kinds of - // reasons that are too expensive and fragile to test. - try { - node.focus(); - } catch (e) {} +checkPropTypes.resetWarningCache = function() { + if (process.env.NODE_ENV !== 'production') { + loggedTypeFailures = {}; + } } -module.exports = focusNode; -},{}],10:[function(require,module,exports){ -'use strict'; +module.exports = checkPropTypes; +}).call(this,require('_process')) +},{"./lib/ReactPropTypesSecret":8,"_process":3}],5:[function(require,module,exports){ /** * Copyright (c) 2013-present, Facebook, Inc. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. - * - * @typechecks */ -/* eslint-disable fb-www/typeof-undefined */ +'use strict'; -/** - * Same as document.activeElement but wraps in a try-catch block. In IE it is - * not safe to call document.activeElement if there is nothing focused. - * - * The activeElement will be null only if the document or document body is not - * yet defined. - * - * @param {?DOMDocument} doc Defaults to current document. - * @return {?DOMElement} - */ -function getActiveElement(doc) /*?DOMElement*/{ - doc = doc || (typeof document !== 'undefined' ? document : undefined); - if (typeof doc === 'undefined') { - return null; - } - try { - return doc.activeElement || doc.body; - } catch (e) { - return doc.body; - } -} - -module.exports = getActiveElement; -},{}],11:[function(require,module,exports){ -'use strict'; - -/** - * Copyright (c) 2013-present, Facebook, Inc. - * - * This source code is licensed under the MIT license found in the - * LICENSE file in the root directory of this source tree. - * - * @typechecks - */ - -var _uppercasePattern = /([A-Z])/g; - -/** - * Hyphenates a camelcased string, for example: - * - * > hyphenate('backgroundColor') - * < "background-color" - * - * For CSS style names, use `hyphenateStyleName` instead which works properly - * with all vendor prefixes, including `ms`. - * - * @param {string} string - * @return {string} - */ -function hyphenate(string) { - return string.replace(_uppercasePattern, '-$1').toLowerCase(); -} - -module.exports = hyphenate; -},{}],12:[function(require,module,exports){ -/** - * Copyright (c) 2013-present, Facebook, Inc. - * - * This source code is licensed under the MIT license found in the - * LICENSE file in the root directory of this source tree. - * - * @typechecks - */ - -'use strict'; - -var hyphenate = require('./hyphenate'); - -var msPattern = /^ms-/; - -/** - * Hyphenates a camelcased CSS property name, for example: - * - * > hyphenateStyleName('backgroundColor') - * < "background-color" - * > hyphenateStyleName('MozTransition') - * < "-moz-transition" - * > hyphenateStyleName('msTransition') - * < "-ms-transition" - * - * As Modernizr suggests (http://modernizr.com/docs/#prefixed), an `ms` prefix - * is converted to `-ms-`. - * - * @param {string} string - * @return {string} - */ -function hyphenateStyleName(string) { - return hyphenate(string).replace(msPattern, '-ms-'); -} - -module.exports = hyphenateStyleName; -},{"./hyphenate":11}],13:[function(require,module,exports){ -(function (process){ -/** - * Copyright (c) 2013-present, Facebook, Inc. - * - * This source code is licensed under the MIT license found in the - * LICENSE file in the root directory of this source tree. - * - */ - -'use strict'; - -/** - * Use invariant() to assert state which your program assumes to be true. - * - * Provide sprintf-style format (only %s is supported) and arguments - * to provide information about what broke and what you were - * expecting. - * - * The invariant message will be stripped in production, but the invariant - * will remain to ensure logic does not differ in production. - */ +var ReactPropTypesSecret = require('./lib/ReactPropTypesSecret'); -var validateFormat = function validateFormat(format) {}; +function emptyFunction() {} +function emptyFunctionWithReset() {} +emptyFunctionWithReset.resetWarningCache = emptyFunction; -if (process.env.NODE_ENV !== 'production') { - validateFormat = function validateFormat(format) { - if (format === undefined) { - throw new Error('invariant requires an error message argument'); +module.exports = function() { + function shim(props, propName, componentName, location, propFullName, secret) { + if (secret === ReactPropTypesSecret) { + // It is still safe when called from React. + return; } + var err = new Error( + 'Calling PropTypes validators directly is not supported by the `prop-types` package. ' + + 'Use PropTypes.checkPropTypes() to call them. ' + + 'Read more at http://fb.me/use-check-prop-types' + ); + err.name = 'Invariant Violation'; + throw err; }; -} - -function invariant(condition, format, a, b, c, d, e, f) { - validateFormat(format); - - if (!condition) { - var error; - if (format === undefined) { - error = new Error('Minified exception occurred; use the non-minified dev environment ' + 'for the full error message and additional helpful warnings.'); - } else { - var args = [a, b, c, d, e, f]; - var argIndex = 0; - error = new Error(format.replace(/%s/g, function () { - return args[argIndex++]; - })); - error.name = 'Invariant Violation'; - } - - error.framesToPop = 1; // we don't care about invariant's own frame - throw error; - } -} - -module.exports = invariant; -}).call(this,require('_process')) -},{"_process":19}],14:[function(require,module,exports){ -'use strict'; - -/** - * Copyright (c) 2013-present, Facebook, Inc. - * - * This source code is licensed under the MIT license found in the - * LICENSE file in the root directory of this source tree. - * - * @typechecks - */ - -/** - * @param {*} object The object to check. - * @return {boolean} Whether or not the object is a DOM node. - */ -function isNode(object) { - var doc = object ? object.ownerDocument || object : document; - var defaultView = doc.defaultView || window; - return !!(object && (typeof defaultView.Node === 'function' ? object instanceof defaultView.Node : typeof object === 'object' && typeof object.nodeType === 'number' && typeof object.nodeName === 'string')); -} - -module.exports = isNode; -},{}],15:[function(require,module,exports){ -'use strict'; - -/** - * Copyright (c) 2013-present, Facebook, Inc. - * - * This source code is licensed under the MIT license found in the - * LICENSE file in the root directory of this source tree. - * - * @typechecks - */ - -var isNode = require('./isNode'); - -/** - * @param {*} object The object to check. - * @return {boolean} Whether or not the object is a DOM text node. - */ -function isTextNode(object) { - return isNode(object) && object.nodeType == 3; -} - -module.exports = isTextNode; -},{"./isNode":14}],16:[function(require,module,exports){ -/** - * Copyright (c) 2013-present, Facebook, Inc. - * - * This source code is licensed under the MIT license found in the - * LICENSE file in the root directory of this source tree. - * - * @typechecks - * - */ - -/*eslint-disable no-self-compare */ - -'use strict'; - -var hasOwnProperty = Object.prototype.hasOwnProperty; - -/** - * inlined Object.is polyfill to avoid requiring consumers ship their own - * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/is - */ -function is(x, y) { - // SameValue algorithm - if (x === y) { - // Steps 1-5, 7-10 - // Steps 6.b-6.e: +0 != -0 - // Added the nonzero y check to make Flow happy, but it is redundant - return x !== 0 || y !== 0 || 1 / x === 1 / y; - } else { - // Step 6.a: NaN == NaN - return x !== x && y !== y; - } -} - -/** - * Performs equality by iterating through keys on an object and returning false - * when any key has values which are not strictly equal between the arguments. - * Returns true when the values of all keys are strictly equal. - */ -function shallowEqual(objA, objB) { - if (is(objA, objB)) { - return true; - } - - if (typeof objA !== 'object' || objA === null || typeof objB !== 'object' || objB === null) { - return false; - } + shim.isRequired = shim; + function getShim() { + return shim; + }; + // Important! + // Keep this list in sync with production version in `./factoryWithTypeCheckers.js`. + var ReactPropTypes = { + array: shim, + bool: shim, + func: shim, + number: shim, + object: shim, + string: shim, + symbol: shim, - var keysA = Object.keys(objA); - var keysB = Object.keys(objB); + any: shim, + arrayOf: getShim, + element: shim, + elementType: shim, + instanceOf: getShim, + node: shim, + objectOf: getShim, + oneOf: getShim, + oneOfType: getShim, + shape: getShim, + exact: getShim, - if (keysA.length !== keysB.length) { - return false; - } + checkPropTypes: emptyFunctionWithReset, + resetWarningCache: emptyFunction + }; - // Test for A's keys different from B. - for (var i = 0; i < keysA.length; i++) { - if (!hasOwnProperty.call(objB, keysA[i]) || !is(objA[keysA[i]], objB[keysA[i]])) { - return false; - } - } + ReactPropTypes.PropTypes = ReactPropTypes; - return true; -} + return ReactPropTypes; +}; -module.exports = shallowEqual; -},{}],17:[function(require,module,exports){ +},{"./lib/ReactPropTypesSecret":8}],6:[function(require,module,exports){ (function (process){ /** - * Copyright (c) 2014-present, Facebook, Inc. + * Copyright (c) 2013-present, Facebook, Inc. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. - * */ 'use strict'; -var emptyFunction = require('./emptyFunction'); +var ReactIs = require('react-is'); +var assign = require('object-assign'); -/** - * Similar to invariant but only logs a warning if the condition is not met. - * This can be used to log issues in development environments in critical - * paths. Removing the logging code for production environments will keep the - * same logic and follow the same code paths. - */ +var ReactPropTypesSecret = require('./lib/ReactPropTypesSecret'); +var checkPropTypes = require('./checkPropTypes'); -var warning = emptyFunction; +var has = Function.call.bind(Object.prototype.hasOwnProperty); +var printWarning = function() {}; if (process.env.NODE_ENV !== 'production') { - var printWarning = function printWarning(format) { - for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) { - args[_key - 1] = arguments[_key]; - } - - var argIndex = 0; - var message = 'Warning: ' + format.replace(/%s/g, function () { - return args[argIndex++]; - }); + printWarning = function(text) { + var message = 'Warning: ' + text; if (typeof console !== 'undefined') { console.error(message); } @@ -969,307 +877,569 @@ if (process.env.NODE_ENV !== 'production') { throw new Error(message); } catch (x) {} }; +} - warning = function warning(condition, format) { - if (format === undefined) { - throw new Error('`warning(condition, format, ...args)` requires a warning ' + 'message argument'); - } +function emptyFunctionThatReturnsNull() { + return null; +} - if (format.indexOf('Failed Composite propType: ') === 0) { - return; // Ignore CompositeComponent proptype check. - } +module.exports = function(isValidElement, throwOnDirectAccess) { + /* global Symbol */ + var ITERATOR_SYMBOL = typeof Symbol === 'function' && Symbol.iterator; + var FAUX_ITERATOR_SYMBOL = '@@iterator'; // Before Symbol spec. - if (!condition) { - for (var _len2 = arguments.length, args = Array(_len2 > 2 ? _len2 - 2 : 0), _key2 = 2; _key2 < _len2; _key2++) { - args[_key2 - 2] = arguments[_key2]; - } - - printWarning.apply(undefined, [format].concat(args)); + /** + * Returns the iterator method function contained on the iterable object. + * + * Be sure to invoke the function with the iterable as context: + * + * var iteratorFn = getIteratorFn(myIterable); + * if (iteratorFn) { + * var iterator = iteratorFn.call(myIterable); + * ... + * } + * + * @param {?object} maybeIterable + * @return {?function} + */ + function getIteratorFn(maybeIterable) { + var iteratorFn = maybeIterable && (ITERATOR_SYMBOL && maybeIterable[ITERATOR_SYMBOL] || maybeIterable[FAUX_ITERATOR_SYMBOL]); + if (typeof iteratorFn === 'function') { + return iteratorFn; } - }; -} + } -module.exports = warning; -}).call(this,require('_process')) -},{"./emptyFunction":7,"_process":19}],18:[function(require,module,exports){ -/* -object-assign -(c) Sindre Sorhus -@license MIT -*/ + /** + * Collection of methods that allow declaration and validation of props that are + * supplied to React components. Example usage: + * + * var Props = require('ReactPropTypes'); + * var MyArticle = React.createClass({ + * propTypes: { + * // An optional string prop named "description". + * description: Props.string, + * + * // A required enum prop named "category". + * category: Props.oneOf(['News','Photos']).isRequired, + * + * // A prop named "dialog" that requires an instance of Dialog. + * dialog: Props.instanceOf(Dialog).isRequired + * }, + * render: function() { ... } + * }); + * + * A more formal specification of how these methods are used: + * + * type := array|bool|func|object|number|string|oneOf([...])|instanceOf(...) + * decl := ReactPropTypes.{type}(.isRequired)? + * + * Each and every declaration produces a function with the same signature. This + * allows the creation of custom validation functions. For example: + * + * var MyLink = React.createClass({ + * propTypes: { + * // An optional string or URI prop named "href". + * href: function(props, propName, componentName) { + * var propValue = props[propName]; + * if (propValue != null && typeof propValue !== 'string' && + * !(propValue instanceof URI)) { + * return new Error( + * 'Expected a string or an URI for ' + propName + ' in ' + + * componentName + * ); + * } + * } + * }, + * render: function() {...} + * }); + * + * @internal + */ -'use strict'; -/* eslint-disable no-unused-vars */ -var getOwnPropertySymbols = Object.getOwnPropertySymbols; -var hasOwnProperty = Object.prototype.hasOwnProperty; -var propIsEnumerable = Object.prototype.propertyIsEnumerable; + var ANONYMOUS = '<>'; -function toObject(val) { - if (val === null || val === undefined) { - throw new TypeError('Object.assign cannot be called with null or undefined'); - } + // Important! + // Keep this list in sync with production version in `./factoryWithThrowingShims.js`. + var ReactPropTypes = { + array: createPrimitiveTypeChecker('array'), + bool: createPrimitiveTypeChecker('boolean'), + func: createPrimitiveTypeChecker('function'), + number: createPrimitiveTypeChecker('number'), + object: createPrimitiveTypeChecker('object'), + string: createPrimitiveTypeChecker('string'), + symbol: createPrimitiveTypeChecker('symbol'), - return Object(val); -} + any: createAnyTypeChecker(), + arrayOf: createArrayOfTypeChecker, + element: createElementTypeChecker(), + elementType: createElementTypeTypeChecker(), + instanceOf: createInstanceTypeChecker, + node: createNodeChecker(), + objectOf: createObjectOfTypeChecker, + oneOf: createEnumTypeChecker, + oneOfType: createUnionTypeChecker, + shape: createShapeTypeChecker, + exact: createStrictShapeTypeChecker, + }; -function shouldUseNative() { - try { - if (!Object.assign) { - return false; - } + /** + * inlined Object.is polyfill to avoid requiring consumers ship their own + * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/is + */ + /*eslint-disable no-self-compare*/ + function is(x, y) { + // SameValue algorithm + if (x === y) { + // Steps 1-5, 7-10 + // Steps 6.b-6.e: +0 != -0 + return x !== 0 || 1 / x === 1 / y; + } else { + // Step 6.a: NaN == NaN + return x !== x && y !== y; + } + } + /*eslint-enable no-self-compare*/ - // Detect buggy property enumeration order in older V8 versions. + /** + * We use an Error-like object for backward compatibility as people may call + * PropTypes directly and inspect their output. However, we don't use real + * Errors anymore. We don't inspect their stack anyway, and creating them + * is prohibitively expensive if they are created too often, such as what + * happens in oneOfType() for any type before the one that matched. + */ + function PropTypeError(message) { + this.message = message; + this.stack = ''; + } + // Make `instanceof Error` still work for returned errors. + PropTypeError.prototype = Error.prototype; - // https://bugs.chromium.org/p/v8/issues/detail?id=4118 - var test1 = new String('abc'); // eslint-disable-line no-new-wrappers - test1[5] = 'de'; - if (Object.getOwnPropertyNames(test1)[0] === '5') { - return false; - } + function createChainableTypeChecker(validate) { + if (process.env.NODE_ENV !== 'production') { + var manualPropTypeCallCache = {}; + var manualPropTypeWarningCount = 0; + } + function checkType(isRequired, props, propName, componentName, location, propFullName, secret) { + componentName = componentName || ANONYMOUS; + propFullName = propFullName || propName; - // https://bugs.chromium.org/p/v8/issues/detail?id=3056 - var test2 = {}; - for (var i = 0; i < 10; i++) { - test2['_' + String.fromCharCode(i)] = i; - } - var order2 = Object.getOwnPropertyNames(test2).map(function (n) { - return test2[n]; - }); - if (order2.join('') !== '0123456789') { - return false; - } + if (secret !== ReactPropTypesSecret) { + if (throwOnDirectAccess) { + // New behavior only for users of `prop-types` package + var err = new Error( + 'Calling PropTypes validators directly is not supported by the `prop-types` package. ' + + 'Use `PropTypes.checkPropTypes()` to call them. ' + + 'Read more at http://fb.me/use-check-prop-types' + ); + err.name = 'Invariant Violation'; + throw err; + } else if (process.env.NODE_ENV !== 'production' && typeof console !== 'undefined') { + // Old behavior for people using React.PropTypes + var cacheKey = componentName + ':' + propName; + if ( + !manualPropTypeCallCache[cacheKey] && + // Avoid spamming the console because they are often not actionable except for lib authors + manualPropTypeWarningCount < 3 + ) { + printWarning( + 'You are manually calling a React.PropTypes validation ' + + 'function for the `' + propFullName + '` prop on `' + componentName + '`. This is deprecated ' + + 'and will throw in the standalone `prop-types` package. ' + + 'You may be seeing this warning due to a third-party PropTypes ' + + 'library. See https://fb.me/react-warning-dont-call-proptypes ' + 'for details.' + ); + manualPropTypeCallCache[cacheKey] = true; + manualPropTypeWarningCount++; + } + } + } + if (props[propName] == null) { + if (isRequired) { + if (props[propName] === null) { + return new PropTypeError('The ' + location + ' `' + propFullName + '` is marked as required ' + ('in `' + componentName + '`, but its value is `null`.')); + } + return new PropTypeError('The ' + location + ' `' + propFullName + '` is marked as required in ' + ('`' + componentName + '`, but its value is `undefined`.')); + } + return null; + } else { + return validate(props, propName, componentName, location, propFullName); + } + } - // https://bugs.chromium.org/p/v8/issues/detail?id=3056 - var test3 = {}; - 'abcdefghijklmnopqrst'.split('').forEach(function (letter) { - test3[letter] = letter; - }); - if (Object.keys(Object.assign({}, test3)).join('') !== - 'abcdefghijklmnopqrst') { - return false; - } + var chainedCheckType = checkType.bind(null, false); + chainedCheckType.isRequired = checkType.bind(null, true); - return true; - } catch (err) { - // We don't expect any of the above to throw, but better to be safe. - return false; - } -} + return chainedCheckType; + } -module.exports = shouldUseNative() ? Object.assign : function (target, source) { - var from; - var to = toObject(target); - var symbols; + function createPrimitiveTypeChecker(expectedType) { + function validate(props, propName, componentName, location, propFullName, secret) { + var propValue = props[propName]; + var propType = getPropType(propValue); + if (propType !== expectedType) { + // `propValue` being instance of, say, date/regexp, pass the 'object' + // check, but we can offer a more precise error message here rather than + // 'of type `object`'. + var preciseType = getPreciseType(propValue); - for (var s = 1; s < arguments.length; s++) { - from = Object(arguments[s]); + return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + preciseType + '` supplied to `' + componentName + '`, expected ') + ('`' + expectedType + '`.')); + } + return null; + } + return createChainableTypeChecker(validate); + } - for (var key in from) { - if (hasOwnProperty.call(from, key)) { - to[key] = from[key]; - } - } + function createAnyTypeChecker() { + return createChainableTypeChecker(emptyFunctionThatReturnsNull); + } - if (getOwnPropertySymbols) { - symbols = getOwnPropertySymbols(from); - for (var i = 0; i < symbols.length; i++) { - if (propIsEnumerable.call(from, symbols[i])) { - to[symbols[i]] = from[symbols[i]]; - } - } - } - } - - return to; -}; + function createArrayOfTypeChecker(typeChecker) { + function validate(props, propName, componentName, location, propFullName) { + if (typeof typeChecker !== 'function') { + return new PropTypeError('Property `' + propFullName + '` of component `' + componentName + '` has invalid PropType notation inside arrayOf.'); + } + var propValue = props[propName]; + if (!Array.isArray(propValue)) { + var propType = getPropType(propValue); + return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + propType + '` supplied to `' + componentName + '`, expected an array.')); + } + for (var i = 0; i < propValue.length; i++) { + var error = typeChecker(propValue, i, componentName, location, propFullName + '[' + i + ']', ReactPropTypesSecret); + if (error instanceof Error) { + return error; + } + } + return null; + } + return createChainableTypeChecker(validate); + } -},{}],19:[function(require,module,exports){ -// shim for using process in browser -var process = module.exports = {}; + function createElementTypeChecker() { + function validate(props, propName, componentName, location, propFullName) { + var propValue = props[propName]; + if (!isValidElement(propValue)) { + var propType = getPropType(propValue); + return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + propType + '` supplied to `' + componentName + '`, expected a single ReactElement.')); + } + return null; + } + return createChainableTypeChecker(validate); + } -// cached from whatever global is present so that test runners that stub it -// don't break things. But we need to wrap it in a try catch in case it is -// wrapped in strict mode code which doesn't define any globals. It's inside a -// function because try/catches deoptimize in certain engines. + function createElementTypeTypeChecker() { + function validate(props, propName, componentName, location, propFullName) { + var propValue = props[propName]; + if (!ReactIs.isValidElementType(propValue)) { + var propType = getPropType(propValue); + return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + propType + '` supplied to `' + componentName + '`, expected a single ReactElement type.')); + } + return null; + } + return createChainableTypeChecker(validate); + } -var cachedSetTimeout; -var cachedClearTimeout; + function createInstanceTypeChecker(expectedClass) { + function validate(props, propName, componentName, location, propFullName) { + if (!(props[propName] instanceof expectedClass)) { + var expectedClassName = expectedClass.name || ANONYMOUS; + var actualClassName = getClassName(props[propName]); + return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + actualClassName + '` supplied to `' + componentName + '`, expected ') + ('instance of `' + expectedClassName + '`.')); + } + return null; + } + return createChainableTypeChecker(validate); + } -function defaultSetTimout() { - throw new Error('setTimeout has not been defined'); -} -function defaultClearTimeout () { - throw new Error('clearTimeout has not been defined'); -} -(function () { - try { - if (typeof setTimeout === 'function') { - cachedSetTimeout = setTimeout; + function createEnumTypeChecker(expectedValues) { + if (!Array.isArray(expectedValues)) { + if (process.env.NODE_ENV !== 'production') { + if (arguments.length > 1) { + printWarning( + 'Invalid arguments supplied to oneOf, expected an array, got ' + arguments.length + ' arguments. ' + + 'A common mistake is to write oneOf(x, y, z) instead of oneOf([x, y, z]).' + ); } else { - cachedSetTimeout = defaultSetTimout; + printWarning('Invalid argument supplied to oneOf, expected an array.'); } - } catch (e) { - cachedSetTimeout = defaultSetTimout; + } + return emptyFunctionThatReturnsNull; } - try { - if (typeof clearTimeout === 'function') { - cachedClearTimeout = clearTimeout; - } else { - cachedClearTimeout = defaultClearTimeout; + + function validate(props, propName, componentName, location, propFullName) { + var propValue = props[propName]; + for (var i = 0; i < expectedValues.length; i++) { + if (is(propValue, expectedValues[i])) { + return null; } - } catch (e) { - cachedClearTimeout = defaultClearTimeout; - } -} ()) -function runTimeout(fun) { - if (cachedSetTimeout === setTimeout) { - //normal enviroments in sane situations - return setTimeout(fun, 0); - } - // if setTimeout wasn't available but was latter defined - if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) { - cachedSetTimeout = setTimeout; - return setTimeout(fun, 0); - } - try { - // when when somebody has screwed with setTimeout but no I.E. maddness - return cachedSetTimeout(fun, 0); - } catch(e){ - try { - // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally - return cachedSetTimeout.call(null, fun, 0); - } catch(e){ - // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error - return cachedSetTimeout.call(this, fun, 0); + } + + var valuesString = JSON.stringify(expectedValues, function replacer(key, value) { + var type = getPreciseType(value); + if (type === 'symbol') { + return String(value); } + return value; + }); + return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of value `' + String(propValue) + '` ' + ('supplied to `' + componentName + '`, expected one of ' + valuesString + '.')); } + return createChainableTypeChecker(validate); + } - -} -function runClearTimeout(marker) { - if (cachedClearTimeout === clearTimeout) { - //normal enviroments in sane situations - return clearTimeout(marker); - } - // if clearTimeout wasn't available but was latter defined - if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) { - cachedClearTimeout = clearTimeout; - return clearTimeout(marker); - } - try { - // when when somebody has screwed with setTimeout but no I.E. maddness - return cachedClearTimeout(marker); - } catch (e){ - try { - // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally - return cachedClearTimeout.call(null, marker); - } catch (e){ - // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error. - // Some versions of I.E. have different rules for clearTimeout vs setTimeout - return cachedClearTimeout.call(this, marker); + function createObjectOfTypeChecker(typeChecker) { + function validate(props, propName, componentName, location, propFullName) { + if (typeof typeChecker !== 'function') { + return new PropTypeError('Property `' + propFullName + '` of component `' + componentName + '` has invalid PropType notation inside objectOf.'); + } + var propValue = props[propName]; + var propType = getPropType(propValue); + if (propType !== 'object') { + return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + propType + '` supplied to `' + componentName + '`, expected an object.')); + } + for (var key in propValue) { + if (has(propValue, key)) { + var error = typeChecker(propValue, key, componentName, location, propFullName + '.' + key, ReactPropTypesSecret); + if (error instanceof Error) { + return error; + } } + } + return null; } + return createChainableTypeChecker(validate); + } + function createUnionTypeChecker(arrayOfTypeCheckers) { + if (!Array.isArray(arrayOfTypeCheckers)) { + process.env.NODE_ENV !== 'production' ? printWarning('Invalid argument supplied to oneOfType, expected an instance of array.') : void 0; + return emptyFunctionThatReturnsNull; + } + for (var i = 0; i < arrayOfTypeCheckers.length; i++) { + var checker = arrayOfTypeCheckers[i]; + if (typeof checker !== 'function') { + printWarning( + 'Invalid argument supplied to oneOfType. Expected an array of check functions, but ' + + 'received ' + getPostfixForTypeWarning(checker) + ' at index ' + i + '.' + ); + return emptyFunctionThatReturnsNull; + } + } -} -var queue = []; -var draining = false; -var currentQueue; -var queueIndex = -1; + function validate(props, propName, componentName, location, propFullName) { + for (var i = 0; i < arrayOfTypeCheckers.length; i++) { + var checker = arrayOfTypeCheckers[i]; + if (checker(props, propName, componentName, location, propFullName, ReactPropTypesSecret) == null) { + return null; + } + } -function cleanUpNextTick() { - if (!draining || !currentQueue) { - return; - } - draining = false; - if (currentQueue.length) { - queue = currentQueue.concat(queue); - } else { - queueIndex = -1; - } - if (queue.length) { - drainQueue(); + return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` supplied to ' + ('`' + componentName + '`.')); } -} + return createChainableTypeChecker(validate); + } -function drainQueue() { - if (draining) { - return; + function createNodeChecker() { + function validate(props, propName, componentName, location, propFullName) { + if (!isNode(props[propName])) { + return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` supplied to ' + ('`' + componentName + '`, expected a ReactNode.')); + } + return null; } - var timeout = runTimeout(cleanUpNextTick); - draining = true; + return createChainableTypeChecker(validate); + } - var len = queue.length; - while(len) { - currentQueue = queue; - queue = []; - while (++queueIndex < len) { - if (currentQueue) { - currentQueue[queueIndex].run(); - } + function createShapeTypeChecker(shapeTypes) { + function validate(props, propName, componentName, location, propFullName) { + var propValue = props[propName]; + var propType = getPropType(propValue); + if (propType !== 'object') { + return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type `' + propType + '` ' + ('supplied to `' + componentName + '`, expected `object`.')); + } + for (var key in shapeTypes) { + var checker = shapeTypes[key]; + if (!checker) { + continue; } - queueIndex = -1; - len = queue.length; - } - currentQueue = null; - draining = false; - runClearTimeout(timeout); -} - -process.nextTick = function (fun) { - var args = new Array(arguments.length - 1); - if (arguments.length > 1) { - for (var i = 1; i < arguments.length; i++) { - args[i - 1] = arguments[i]; + var error = checker(propValue, key, componentName, location, propFullName + '.' + key, ReactPropTypesSecret); + if (error) { + return error; } + } + return null; } - queue.push(new Item(fun, args)); - if (queue.length === 1 && !draining) { - runTimeout(drainQueue); + return createChainableTypeChecker(validate); + } + + function createStrictShapeTypeChecker(shapeTypes) { + function validate(props, propName, componentName, location, propFullName) { + var propValue = props[propName]; + var propType = getPropType(propValue); + if (propType !== 'object') { + return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type `' + propType + '` ' + ('supplied to `' + componentName + '`, expected `object`.')); + } + // We need to check all keys in case some are required but missing from + // props. + var allKeys = assign({}, props[propName], shapeTypes); + for (var key in allKeys) { + var checker = shapeTypes[key]; + if (!checker) { + return new PropTypeError( + 'Invalid ' + location + ' `' + propFullName + '` key `' + key + '` supplied to `' + componentName + '`.' + + '\nBad object: ' + JSON.stringify(props[propName], null, ' ') + + '\nValid keys: ' + JSON.stringify(Object.keys(shapeTypes), null, ' ') + ); + } + var error = checker(propValue, key, componentName, location, propFullName + '.' + key, ReactPropTypesSecret); + if (error) { + return error; + } + } + return null; } -}; -// v8 likes predictible objects -function Item(fun, array) { - this.fun = fun; - this.array = array; -} -Item.prototype.run = function () { - this.fun.apply(null, this.array); -}; -process.title = 'browser'; -process.browser = true; -process.env = {}; -process.argv = []; -process.version = ''; // empty string to avoid regexp issues -process.versions = {}; + return createChainableTypeChecker(validate); + } -function noop() {} + function isNode(propValue) { + switch (typeof propValue) { + case 'number': + case 'string': + case 'undefined': + return true; + case 'boolean': + return !propValue; + case 'object': + if (Array.isArray(propValue)) { + return propValue.every(isNode); + } + if (propValue === null || isValidElement(propValue)) { + return true; + } -process.on = noop; -process.addListener = noop; -process.once = noop; -process.off = noop; -process.removeListener = noop; -process.removeAllListeners = noop; -process.emit = noop; -process.prependListener = noop; -process.prependOnceListener = noop; + var iteratorFn = getIteratorFn(propValue); + if (iteratorFn) { + var iterator = iteratorFn.call(propValue); + var step; + if (iteratorFn !== propValue.entries) { + while (!(step = iterator.next()).done) { + if (!isNode(step.value)) { + return false; + } + } + } else { + // Iterator will provide entry [k,v] tuples rather than values. + while (!(step = iterator.next()).done) { + var entry = step.value; + if (entry) { + if (!isNode(entry[1])) { + return false; + } + } + } + } + } else { + return false; + } -process.listeners = function (name) { return [] } + return true; + default: + return false; + } + } -process.binding = function (name) { - throw new Error('process.binding is not supported'); -}; + function isSymbol(propType, propValue) { + // Native Symbol. + if (propType === 'symbol') { + return true; + } -process.cwd = function () { return '/' }; -process.chdir = function (dir) { - throw new Error('process.chdir is not supported'); + // falsy value can't be a Symbol + if (!propValue) { + return false; + } + + // 19.4.3.5 Symbol.prototype[@@toStringTag] === 'Symbol' + if (propValue['@@toStringTag'] === 'Symbol') { + return true; + } + + // Fallback for non-spec compliant Symbols which are polyfilled. + if (typeof Symbol === 'function' && propValue instanceof Symbol) { + return true; + } + + return false; + } + + // Equivalent of `typeof` but with special handling for array and regexp. + function getPropType(propValue) { + var propType = typeof propValue; + if (Array.isArray(propValue)) { + return 'array'; + } + if (propValue instanceof RegExp) { + // Old webkits (at least until Android 4.0) return 'function' rather than + // 'object' for typeof a RegExp. We'll normalize this here so that /bla/ + // passes PropTypes.object. + return 'object'; + } + if (isSymbol(propType, propValue)) { + return 'symbol'; + } + return propType; + } + + // This handles more types than `getPropType`. Only used for error messages. + // See `createPrimitiveTypeChecker`. + function getPreciseType(propValue) { + if (typeof propValue === 'undefined' || propValue === null) { + return '' + propValue; + } + var propType = getPropType(propValue); + if (propType === 'object') { + if (propValue instanceof Date) { + return 'date'; + } else if (propValue instanceof RegExp) { + return 'regexp'; + } + } + return propType; + } + + // Returns a string that is postfixed to a warning about an invalid type. + // For example, "undefined" or "of type array" + function getPostfixForTypeWarning(value) { + var type = getPreciseType(value); + switch (type) { + case 'array': + case 'object': + return 'an ' + type; + case 'boolean': + case 'date': + case 'regexp': + return 'a ' + type; + default: + return type; + } + } + + // Returns class name of the object, if any. + function getClassName(propValue) { + if (!propValue.constructor || !propValue.constructor.name) { + return ANONYMOUS; + } + return propValue.constructor.name; + } + + ReactPropTypes.checkPropTypes = checkPropTypes; + ReactPropTypes.resetWarningCache = checkPropTypes.resetWarningCache; + ReactPropTypes.PropTypes = ReactPropTypes; + + return ReactPropTypes; }; -process.umask = function() { return 0; }; -},{}],20:[function(require,module,exports){ +}).call(this,require('_process')) +},{"./checkPropTypes":4,"./lib/ReactPropTypesSecret":8,"_process":3,"object-assign":2,"react-is":18}],7:[function(require,module,exports){ (function (process){ /** * Copyright (c) 2013-present, Facebook, Inc. @@ -1278,63 +1448,40 @@ process.umask = function() { return 0; }; * LICENSE file in the root directory of this source tree. */ -'use strict'; - if (process.env.NODE_ENV !== 'production') { - var invariant = require('fbjs/lib/invariant'); - var warning = require('fbjs/lib/warning'); - var ReactPropTypesSecret = require('./lib/ReactPropTypesSecret'); - var loggedTypeFailures = {}; + var ReactIs = require('react-is'); + + // By explicitly using `prop-types` you are opting into new development behavior. + // http://fb.me/prop-types-in-prod + var throwOnDirectAccess = true; + module.exports = require('./factoryWithTypeCheckers')(ReactIs.isElement, throwOnDirectAccess); +} else { + // By explicitly using `prop-types` you are opting into new production behavior. + // http://fb.me/prop-types-in-prod + module.exports = require('./factoryWithThrowingShims')(); } +}).call(this,require('_process')) +},{"./factoryWithThrowingShims":5,"./factoryWithTypeCheckers":6,"_process":3,"react-is":18}],8:[function(require,module,exports){ /** - * Assert that the values match with the type specs. - * Error messages are memorized and will only be shown once. + * Copyright (c) 2013-present, Facebook, Inc. * - * @param {object} typeSpecs Map of name to a ReactPropType - * @param {object} values Runtime values that need to be type-checked - * @param {string} location e.g. "prop", "context", "child context" - * @param {string} componentName Name of the component for error messages. - * @param {?Function} getStack Returns the component stack. - * @private + * This source code is licensed under the MIT license found in the + * LICENSE file in the root directory of this source tree. */ -function checkPropTypes(typeSpecs, values, location, componentName, getStack) { - if (process.env.NODE_ENV !== 'production') { - for (var typeSpecName in typeSpecs) { - if (typeSpecs.hasOwnProperty(typeSpecName)) { - var error; - // Prop type validation may throw. In case they do, we don't want to - // fail the render phase where it didn't fail before. So we log it. - // After these have been cleaned up, we'll let them throw. - try { - // This is intentionally an invariant that gets caught. It's the same - // behavior as without this statement except with a better message. - invariant(typeof typeSpecs[typeSpecName] === 'function', '%s: %s type `%s` is invalid; it must be a function, usually from ' + 'the `prop-types` package, but received `%s`.', componentName || 'React class', location, typeSpecName, typeof typeSpecs[typeSpecName]); - error = typeSpecs[typeSpecName](values, typeSpecName, componentName, location, null, ReactPropTypesSecret); - } catch (ex) { - error = ex; - } - warning(!error || error instanceof Error, '%s: type specification of %s `%s` is invalid; the type checker ' + 'function must return `null` or an `Error` but returned a %s. ' + 'You may have forgotten to pass an argument to the type checker ' + 'creator (arrayOf, instanceOf, objectOf, oneOf, oneOfType, and ' + 'shape all require an argument).', componentName || 'React class', location, typeSpecName, typeof error); - if (error instanceof Error && !(error.message in loggedTypeFailures)) { - // Only monitor this failure once because there tends to be a lot of the - // same error. - loggedTypeFailures[error.message] = true; - var stack = getStack ? getStack() : ''; +'use strict'; - warning(false, 'Failed %s type: %s%s', location, error.message, stack != null ? stack : ''); - } - } - } - } -} +var ReactPropTypesSecret = 'SECRET_DO_NOT_PASS_THIS_OR_YOU_WILL_BE_FIRED'; -module.exports = checkPropTypes; +module.exports = ReactPropTypesSecret; -}).call(this,require('_process')) -},{"./lib/ReactPropTypesSecret":24,"_process":19,"fbjs/lib/invariant":13,"fbjs/lib/warning":17}],21:[function(require,module,exports){ -/** - * Copyright (c) 2013-present, Facebook, Inc. +},{}],9:[function(require,module,exports){ +(function (process){ +/** @license React v16.8.6 + * react-dom.development.js + * + * Copyright (c) Facebook, Inc. and its affiliates. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. @@ -1342,5010 +1489,4390 @@ module.exports = checkPropTypes; 'use strict'; -var emptyFunction = require('fbjs/lib/emptyFunction'); -var invariant = require('fbjs/lib/invariant'); -var ReactPropTypesSecret = require('./lib/ReactPropTypesSecret'); -module.exports = function() { - function shim(props, propName, componentName, location, propFullName, secret) { - if (secret === ReactPropTypesSecret) { - // It is still safe when called from React. - return; - } - invariant( - false, - 'Calling PropTypes validators directly is not supported by the `prop-types` package. ' + - 'Use PropTypes.checkPropTypes() to call them. ' + - 'Read more at http://fb.me/use-check-prop-types' - ); - }; - shim.isRequired = shim; - function getShim() { - return shim; - }; - // Important! - // Keep this list in sync with production version in `./factoryWithTypeCheckers.js`. - var ReactPropTypes = { - array: shim, - bool: shim, - func: shim, - number: shim, - object: shim, - string: shim, - symbol: shim, - - any: shim, - arrayOf: getShim, - element: shim, - instanceOf: getShim, - node: shim, - objectOf: getShim, - oneOf: getShim, - oneOfType: getShim, - shape: getShim, - exact: getShim - }; - ReactPropTypes.checkPropTypes = emptyFunction; - ReactPropTypes.PropTypes = ReactPropTypes; +if (process.env.NODE_ENV !== "production") { + (function() { +'use strict'; - return ReactPropTypes; -}; +var React = require('react'); +var _assign = require('object-assign'); +var checkPropTypes = require('prop-types/checkPropTypes'); +var scheduler = require('scheduler'); +var tracing = require('scheduler/tracing'); -},{"./lib/ReactPropTypesSecret":24,"fbjs/lib/emptyFunction":7,"fbjs/lib/invariant":13}],22:[function(require,module,exports){ -(function (process){ /** - * Copyright (c) 2013-present, Facebook, Inc. + * Use invariant() to assert state which your program assumes to be true. * - * This source code is licensed under the MIT license found in the - * LICENSE file in the root directory of this source tree. + * Provide sprintf-style format (only %s is supported) and arguments + * to provide information about what broke and what you were + * expecting. + * + * The invariant message will be stripped in production, but the invariant + * will remain to ensure logic does not differ in production. */ -'use strict'; - -var emptyFunction = require('fbjs/lib/emptyFunction'); -var invariant = require('fbjs/lib/invariant'); -var warning = require('fbjs/lib/warning'); -var assign = require('object-assign'); - -var ReactPropTypesSecret = require('./lib/ReactPropTypesSecret'); -var checkPropTypes = require('./checkPropTypes'); - -module.exports = function(isValidElement, throwOnDirectAccess) { - /* global Symbol */ - var ITERATOR_SYMBOL = typeof Symbol === 'function' && Symbol.iterator; - var FAUX_ITERATOR_SYMBOL = '@@iterator'; // Before Symbol spec. +var validateFormat = function () {}; - /** - * Returns the iterator method function contained on the iterable object. - * - * Be sure to invoke the function with the iterable as context: - * - * var iteratorFn = getIteratorFn(myIterable); - * if (iteratorFn) { - * var iterator = iteratorFn.call(myIterable); - * ... - * } - * - * @param {?object} maybeIterable - * @return {?function} - */ - function getIteratorFn(maybeIterable) { - var iteratorFn = maybeIterable && (ITERATOR_SYMBOL && maybeIterable[ITERATOR_SYMBOL] || maybeIterable[FAUX_ITERATOR_SYMBOL]); - if (typeof iteratorFn === 'function') { - return iteratorFn; +{ + validateFormat = function (format) { + if (format === undefined) { + throw new Error('invariant requires an error message argument'); } - } - - /** - * Collection of methods that allow declaration and validation of props that are - * supplied to React components. Example usage: - * - * var Props = require('ReactPropTypes'); - * var MyArticle = React.createClass({ - * propTypes: { - * // An optional string prop named "description". - * description: Props.string, - * - * // A required enum prop named "category". - * category: Props.oneOf(['News','Photos']).isRequired, - * - * // A prop named "dialog" that requires an instance of Dialog. - * dialog: Props.instanceOf(Dialog).isRequired - * }, - * render: function() { ... } - * }); - * - * A more formal specification of how these methods are used: - * - * type := array|bool|func|object|number|string|oneOf([...])|instanceOf(...) - * decl := ReactPropTypes.{type}(.isRequired)? - * - * Each and every declaration produces a function with the same signature. This - * allows the creation of custom validation functions. For example: - * - * var MyLink = React.createClass({ - * propTypes: { - * // An optional string or URI prop named "href". - * href: function(props, propName, componentName) { - * var propValue = props[propName]; - * if (propValue != null && typeof propValue !== 'string' && - * !(propValue instanceof URI)) { - * return new Error( - * 'Expected a string or an URI for ' + propName + ' in ' + - * componentName - * ); - * } - * } - * }, - * render: function() {...} - * }); - * - * @internal - */ - - var ANONYMOUS = '<>'; - - // Important! - // Keep this list in sync with production version in `./factoryWithThrowingShims.js`. - var ReactPropTypes = { - array: createPrimitiveTypeChecker('array'), - bool: createPrimitiveTypeChecker('boolean'), - func: createPrimitiveTypeChecker('function'), - number: createPrimitiveTypeChecker('number'), - object: createPrimitiveTypeChecker('object'), - string: createPrimitiveTypeChecker('string'), - symbol: createPrimitiveTypeChecker('symbol'), - - any: createAnyTypeChecker(), - arrayOf: createArrayOfTypeChecker, - element: createElementTypeChecker(), - instanceOf: createInstanceTypeChecker, - node: createNodeChecker(), - objectOf: createObjectOfTypeChecker, - oneOf: createEnumTypeChecker, - oneOfType: createUnionTypeChecker, - shape: createShapeTypeChecker, - exact: createStrictShapeTypeChecker, }; +} - /** - * inlined Object.is polyfill to avoid requiring consumers ship their own - * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/is - */ - /*eslint-disable no-self-compare*/ - function is(x, y) { - // SameValue algorithm - if (x === y) { - // Steps 1-5, 7-10 - // Steps 6.b-6.e: +0 != -0 - return x !== 0 || 1 / x === 1 / y; +function invariant(condition, format, a, b, c, d, e, f) { + validateFormat(format); + + if (!condition) { + var error = void 0; + if (format === undefined) { + error = new Error('Minified exception occurred; use the non-minified dev environment ' + 'for the full error message and additional helpful warnings.'); } else { - // Step 6.a: NaN == NaN - return x !== x && y !== y; + var args = [a, b, c, d, e, f]; + var argIndex = 0; + error = new Error(format.replace(/%s/g, function () { + return args[argIndex++]; + })); + error.name = 'Invariant Violation'; } - } - /*eslint-enable no-self-compare*/ - /** - * We use an Error-like object for backward compatibility as people may call - * PropTypes directly and inspect their output. However, we don't use real - * Errors anymore. We don't inspect their stack anyway, and creating them - * is prohibitively expensive if they are created too often, such as what - * happens in oneOfType() for any type before the one that matched. - */ - function PropTypeError(message) { - this.message = message; - this.stack = ''; + error.framesToPop = 1; // we don't care about invariant's own frame + throw error; } - // Make `instanceof Error` still work for returned errors. - PropTypeError.prototype = Error.prototype; - - function createChainableTypeChecker(validate) { - if (process.env.NODE_ENV !== 'production') { - var manualPropTypeCallCache = {}; - var manualPropTypeWarningCount = 0; - } - function checkType(isRequired, props, propName, componentName, location, propFullName, secret) { - componentName = componentName || ANONYMOUS; - propFullName = propFullName || propName; +} - if (secret !== ReactPropTypesSecret) { - if (throwOnDirectAccess) { - // New behavior only for users of `prop-types` package - invariant( - false, - 'Calling PropTypes validators directly is not supported by the `prop-types` package. ' + - 'Use `PropTypes.checkPropTypes()` to call them. ' + - 'Read more at http://fb.me/use-check-prop-types' - ); - } else if (process.env.NODE_ENV !== 'production' && typeof console !== 'undefined') { - // Old behavior for people using React.PropTypes - var cacheKey = componentName + ':' + propName; - if ( - !manualPropTypeCallCache[cacheKey] && - // Avoid spamming the console because they are often not actionable except for lib authors - manualPropTypeWarningCount < 3 - ) { - warning( - false, - 'You are manually calling a React.PropTypes validation ' + - 'function for the `%s` prop on `%s`. This is deprecated ' + - 'and will throw in the standalone `prop-types` package. ' + - 'You may be seeing this warning due to a third-party PropTypes ' + - 'library. See https://fb.me/react-warning-dont-call-proptypes ' + 'for details.', - propFullName, - componentName - ); - manualPropTypeCallCache[cacheKey] = true; - manualPropTypeWarningCount++; - } - } - } - if (props[propName] == null) { - if (isRequired) { - if (props[propName] === null) { - return new PropTypeError('The ' + location + ' `' + propFullName + '` is marked as required ' + ('in `' + componentName + '`, but its value is `null`.')); - } - return new PropTypeError('The ' + location + ' `' + propFullName + '` is marked as required in ' + ('`' + componentName + '`, but its value is `undefined`.')); - } - return null; - } else { - return validate(props, propName, componentName, location, propFullName); - } - } +// Relying on the `invariant()` implementation lets us +// preserve the format and params in the www builds. - var chainedCheckType = checkType.bind(null, false); - chainedCheckType.isRequired = checkType.bind(null, true); +!React ? invariant(false, 'ReactDOM was loaded before React. Make sure you load the React package before loading ReactDOM.') : void 0; - return chainedCheckType; +var invokeGuardedCallbackImpl = function (name, func, context, a, b, c, d, e, f) { + var funcArgs = Array.prototype.slice.call(arguments, 3); + try { + func.apply(context, funcArgs); + } catch (error) { + this.onError(error); } +}; - function createPrimitiveTypeChecker(expectedType) { - function validate(props, propName, componentName, location, propFullName, secret) { - var propValue = props[propName]; - var propType = getPropType(propValue); - if (propType !== expectedType) { - // `propValue` being instance of, say, date/regexp, pass the 'object' - // check, but we can offer a more precise error message here rather than - // 'of type `object`'. - var preciseType = getPreciseType(propValue); +{ + // In DEV mode, we swap out invokeGuardedCallback for a special version + // that plays more nicely with the browser's DevTools. The idea is to preserve + // "Pause on exceptions" behavior. Because React wraps all user-provided + // functions in invokeGuardedCallback, and the production version of + // invokeGuardedCallback uses a try-catch, all user exceptions are treated + // like caught exceptions, and the DevTools won't pause unless the developer + // takes the extra step of enabling pause on caught exceptions. This is + // unintuitive, though, because even though React has caught the error, from + // the developer's perspective, the error is uncaught. + // + // To preserve the expected "Pause on exceptions" behavior, we don't use a + // try-catch in DEV. Instead, we synchronously dispatch a fake event to a fake + // DOM node, and call the user-provided callback from inside an event handler + // for that fake event. If the callback throws, the error is "captured" using + // a global event handler. But because the error happens in a different + // event loop context, it does not interrupt the normal program flow. + // Effectively, this gives us try-catch behavior without actually using + // try-catch. Neat! - return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + preciseType + '` supplied to `' + componentName + '`, expected ') + ('`' + expectedType + '`.')); - } - return null; - } - return createChainableTypeChecker(validate); - } + // Check that the browser supports the APIs we need to implement our special + // DEV version of invokeGuardedCallback + if (typeof window !== 'undefined' && typeof window.dispatchEvent === 'function' && typeof document !== 'undefined' && typeof document.createEvent === 'function') { + var fakeNode = document.createElement('react'); - function createAnyTypeChecker() { - return createChainableTypeChecker(emptyFunction.thatReturnsNull); - } + var invokeGuardedCallbackDev = function (name, func, context, a, b, c, d, e, f) { + // If document doesn't exist we know for sure we will crash in this method + // when we call document.createEvent(). However this can cause confusing + // errors: https://github.com/facebookincubator/create-react-app/issues/3482 + // So we preemptively throw with a better message instead. + !(typeof document !== 'undefined') ? invariant(false, 'The `document` global was defined when React was initialized, but is not defined anymore. This can happen in a test environment if a component schedules an update from an asynchronous callback, but the test has already finished running. To solve this, you can either unmount the component at the end of your test (and ensure that any asynchronous operations get canceled in `componentWillUnmount`), or you can change the test itself to be asynchronous.') : void 0; + var evt = document.createEvent('Event'); - function createArrayOfTypeChecker(typeChecker) { - function validate(props, propName, componentName, location, propFullName) { - if (typeof typeChecker !== 'function') { - return new PropTypeError('Property `' + propFullName + '` of component `' + componentName + '` has invalid PropType notation inside arrayOf.'); - } - var propValue = props[propName]; - if (!Array.isArray(propValue)) { - var propType = getPropType(propValue); - return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + propType + '` supplied to `' + componentName + '`, expected an array.')); - } - for (var i = 0; i < propValue.length; i++) { - var error = typeChecker(propValue, i, componentName, location, propFullName + '[' + i + ']', ReactPropTypesSecret); - if (error instanceof Error) { - return error; - } - } - return null; - } - return createChainableTypeChecker(validate); - } + // Keeps track of whether the user-provided callback threw an error. We + // set this to true at the beginning, then set it to false right after + // calling the function. If the function errors, `didError` will never be + // set to false. This strategy works even if the browser is flaky and + // fails to call our global error handler, because it doesn't rely on + // the error event at all. + var didError = true; - function createElementTypeChecker() { - function validate(props, propName, componentName, location, propFullName) { - var propValue = props[propName]; - if (!isValidElement(propValue)) { - var propType = getPropType(propValue); - return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + propType + '` supplied to `' + componentName + '`, expected a single ReactElement.')); - } - return null; - } - return createChainableTypeChecker(validate); - } + // Keeps track of the value of window.event so that we can reset it + // during the callback to let user code access window.event in the + // browsers that support it. + var windowEvent = window.event; - function createInstanceTypeChecker(expectedClass) { - function validate(props, propName, componentName, location, propFullName) { - if (!(props[propName] instanceof expectedClass)) { - var expectedClassName = expectedClass.name || ANONYMOUS; - var actualClassName = getClassName(props[propName]); - return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + actualClassName + '` supplied to `' + componentName + '`, expected ') + ('instance of `' + expectedClassName + '`.')); - } - return null; - } - return createChainableTypeChecker(validate); - } + // Keeps track of the descriptor of window.event to restore it after event + // dispatching: https://github.com/facebook/react/issues/13688 + var windowEventDescriptor = Object.getOwnPropertyDescriptor(window, 'event'); - function createEnumTypeChecker(expectedValues) { - if (!Array.isArray(expectedValues)) { - process.env.NODE_ENV !== 'production' ? warning(false, 'Invalid argument supplied to oneOf, expected an instance of array.') : void 0; - return emptyFunction.thatReturnsNull; - } + // Create an event handler for our fake event. We will synchronously + // dispatch our fake event using `dispatchEvent`. Inside the handler, we + // call the user-provided callback. + var funcArgs = Array.prototype.slice.call(arguments, 3); + function callCallback() { + // We immediately remove the callback from event listeners so that + // nested `invokeGuardedCallback` calls do not clash. Otherwise, a + // nested call would trigger the fake event handlers of any call higher + // in the stack. + fakeNode.removeEventListener(evtType, callCallback, false); - function validate(props, propName, componentName, location, propFullName) { - var propValue = props[propName]; - for (var i = 0; i < expectedValues.length; i++) { - if (is(propValue, expectedValues[i])) { - return null; + // We check for window.hasOwnProperty('event') to prevent the + // window.event assignment in both IE <= 10 as they throw an error + // "Member not found" in strict mode, and in Firefox which does not + // support window.event. + if (typeof window.event !== 'undefined' && window.hasOwnProperty('event')) { + window.event = windowEvent; } + + func.apply(context, funcArgs); + didError = false; } - var valuesString = JSON.stringify(expectedValues); - return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of value `' + propValue + '` ' + ('supplied to `' + componentName + '`, expected one of ' + valuesString + '.')); - } - return createChainableTypeChecker(validate); - } + // Create a global error event handler. We use this to capture the value + // that was thrown. It's possible that this error handler will fire more + // than once; for example, if non-React code also calls `dispatchEvent` + // and a handler for that event throws. We should be resilient to most of + // those cases. Even if our error event handler fires more than once, the + // last error event is always used. If the callback actually does error, + // we know that the last error event is the correct one, because it's not + // possible for anything else to have happened in between our callback + // erroring and the code that follows the `dispatchEvent` call below. If + // the callback doesn't error, but the error event was fired, we know to + // ignore it because `didError` will be false, as described above. + var error = void 0; + // Use this to track whether the error event is ever called. + var didSetError = false; + var isCrossOriginError = false; - function createObjectOfTypeChecker(typeChecker) { - function validate(props, propName, componentName, location, propFullName) { - if (typeof typeChecker !== 'function') { - return new PropTypeError('Property `' + propFullName + '` of component `' + componentName + '` has invalid PropType notation inside objectOf.'); - } - var propValue = props[propName]; - var propType = getPropType(propValue); - if (propType !== 'object') { - return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + propType + '` supplied to `' + componentName + '`, expected an object.')); - } - for (var key in propValue) { - if (propValue.hasOwnProperty(key)) { - var error = typeChecker(propValue, key, componentName, location, propFullName + '.' + key, ReactPropTypesSecret); - if (error instanceof Error) { - return error; + function handleWindowError(event) { + error = event.error; + didSetError = true; + if (error === null && event.colno === 0 && event.lineno === 0) { + isCrossOriginError = true; + } + if (event.defaultPrevented) { + // Some other error handler has prevented default. + // Browsers silence the error report if this happens. + // We'll remember this to later decide whether to log it or not. + if (error != null && typeof error === 'object') { + try { + error._suppressLogging = true; + } catch (inner) { + // Ignore. + } } } } - return null; - } - return createChainableTypeChecker(validate); - } - function createUnionTypeChecker(arrayOfTypeCheckers) { - if (!Array.isArray(arrayOfTypeCheckers)) { - process.env.NODE_ENV !== 'production' ? warning(false, 'Invalid argument supplied to oneOfType, expected an instance of array.') : void 0; - return emptyFunction.thatReturnsNull; - } + // Create a fake event type. + var evtType = 'react-' + (name ? name : 'invokeguardedcallback'); - for (var i = 0; i < arrayOfTypeCheckers.length; i++) { - var checker = arrayOfTypeCheckers[i]; - if (typeof checker !== 'function') { - warning( - false, - 'Invalid argument supplied to oneOfType. Expected an array of check functions, but ' + - 'received %s at index %s.', - getPostfixForTypeWarning(checker), - i - ); - return emptyFunction.thatReturnsNull; + // Attach our event handlers + window.addEventListener('error', handleWindowError); + fakeNode.addEventListener(evtType, callCallback, false); + + // Synchronously dispatch our fake event. If the user-provided function + // errors, it will trigger our global error handler. + evt.initEvent(evtType, false, false); + fakeNode.dispatchEvent(evt); + + if (windowEventDescriptor) { + Object.defineProperty(window, 'event', windowEventDescriptor); } - } - function validate(props, propName, componentName, location, propFullName) { - for (var i = 0; i < arrayOfTypeCheckers.length; i++) { - var checker = arrayOfTypeCheckers[i]; - if (checker(props, propName, componentName, location, propFullName, ReactPropTypesSecret) == null) { - return null; + if (didError) { + if (!didSetError) { + // The callback errored, but the error event never fired. + error = new Error('An error was thrown inside one of your components, but React ' + "doesn't know what it was. This is likely due to browser " + 'flakiness. React does its best to preserve the "Pause on ' + 'exceptions" behavior of the DevTools, which requires some ' + "DEV-mode only tricks. It's possible that these don't work in " + 'your browser. Try triggering the error in production mode, ' + 'or switching to a modern browser. If you suspect that this is ' + 'actually an issue with React, please file an issue.'); + } else if (isCrossOriginError) { + error = new Error("A cross-origin error was thrown. React doesn't have access to " + 'the actual error object in development. ' + 'See https://fb.me/react-crossorigin-error for more information.'); } + this.onError(error); } - return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` supplied to ' + ('`' + componentName + '`.')); - } - return createChainableTypeChecker(validate); - } + // Remove our event listeners + window.removeEventListener('error', handleWindowError); + }; - function createNodeChecker() { - function validate(props, propName, componentName, location, propFullName) { - if (!isNode(props[propName])) { - return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` supplied to ' + ('`' + componentName + '`, expected a ReactNode.')); - } - return null; - } - return createChainableTypeChecker(validate); + invokeGuardedCallbackImpl = invokeGuardedCallbackDev; } +} - function createShapeTypeChecker(shapeTypes) { - function validate(props, propName, componentName, location, propFullName) { - var propValue = props[propName]; - var propType = getPropType(propValue); - if (propType !== 'object') { - return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type `' + propType + '` ' + ('supplied to `' + componentName + '`, expected `object`.')); - } - for (var key in shapeTypes) { - var checker = shapeTypes[key]; - if (!checker) { - continue; - } - var error = checker(propValue, key, componentName, location, propFullName + '.' + key, ReactPropTypesSecret); - if (error) { - return error; - } - } - return null; - } - return createChainableTypeChecker(validate); - } +var invokeGuardedCallbackImpl$1 = invokeGuardedCallbackImpl; - function createStrictShapeTypeChecker(shapeTypes) { - function validate(props, propName, componentName, location, propFullName) { - var propValue = props[propName]; - var propType = getPropType(propValue); - if (propType !== 'object') { - return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type `' + propType + '` ' + ('supplied to `' + componentName + '`, expected `object`.')); - } - // We need to check all keys in case some are required but missing from - // props. - var allKeys = assign({}, props[propName], shapeTypes); - for (var key in allKeys) { - var checker = shapeTypes[key]; - if (!checker) { - return new PropTypeError( - 'Invalid ' + location + ' `' + propFullName + '` key `' + key + '` supplied to `' + componentName + '`.' + - '\nBad object: ' + JSON.stringify(props[propName], null, ' ') + - '\nValid keys: ' + JSON.stringify(Object.keys(shapeTypes), null, ' ') - ); - } - var error = checker(propValue, key, componentName, location, propFullName + '.' + key, ReactPropTypesSecret); - if (error) { - return error; - } - } - return null; - } +// Used by Fiber to simulate a try-catch. +var hasError = false; +var caughtError = null; - return createChainableTypeChecker(validate); +// Used by event system to capture/rethrow the first error. +var hasRethrowError = false; +var rethrowError = null; + +var reporter = { + onError: function (error) { + hasError = true; + caughtError = error; } +}; - function isNode(propValue) { - switch (typeof propValue) { - case 'number': - case 'string': - case 'undefined': - return true; - case 'boolean': - return !propValue; - case 'object': - if (Array.isArray(propValue)) { - return propValue.every(isNode); - } - if (propValue === null || isValidElement(propValue)) { - return true; - } - - var iteratorFn = getIteratorFn(propValue); - if (iteratorFn) { - var iterator = iteratorFn.call(propValue); - var step; - if (iteratorFn !== propValue.entries) { - while (!(step = iterator.next()).done) { - if (!isNode(step.value)) { - return false; - } - } - } else { - // Iterator will provide entry [k,v] tuples rather than values. - while (!(step = iterator.next()).done) { - var entry = step.value; - if (entry) { - if (!isNode(entry[1])) { - return false; - } - } - } - } - } else { - return false; - } +/** + * Call a function while guarding against errors that happens within it. + * Returns an error if it throws, otherwise null. + * + * In production, this is implemented using a try-catch. The reason we don't + * use a try-catch directly is so that we can swap out a different + * implementation in DEV mode. + * + * @param {String} name of the guard to use for logging or debugging + * @param {Function} func The function to invoke + * @param {*} context The context to use when calling the function + * @param {...*} args Arguments for function + */ +function invokeGuardedCallback(name, func, context, a, b, c, d, e, f) { + hasError = false; + caughtError = null; + invokeGuardedCallbackImpl$1.apply(reporter, arguments); +} - return true; - default: - return false; +/** + * Same as invokeGuardedCallback, but instead of returning an error, it stores + * it in a global so it can be rethrown by `rethrowCaughtError` later. + * TODO: See if caughtError and rethrowError can be unified. + * + * @param {String} name of the guard to use for logging or debugging + * @param {Function} func The function to invoke + * @param {*} context The context to use when calling the function + * @param {...*} args Arguments for function + */ +function invokeGuardedCallbackAndCatchFirstError(name, func, context, a, b, c, d, e, f) { + invokeGuardedCallback.apply(this, arguments); + if (hasError) { + var error = clearCaughtError(); + if (!hasRethrowError) { + hasRethrowError = true; + rethrowError = error; } } +} - function isSymbol(propType, propValue) { - // Native Symbol. - if (propType === 'symbol') { - return true; - } - - // 19.4.3.5 Symbol.prototype[@@toStringTag] === 'Symbol' - if (propValue['@@toStringTag'] === 'Symbol') { - return true; - } +/** + * During execution of guarded functions we will capture the first error which + * we will rethrow to be handled by the top level error handler. + */ +function rethrowCaughtError() { + if (hasRethrowError) { + var error = rethrowError; + hasRethrowError = false; + rethrowError = null; + throw error; + } +} - // Fallback for non-spec compliant Symbols which are polyfilled. - if (typeof Symbol === 'function' && propValue instanceof Symbol) { - return true; - } +function hasCaughtError() { + return hasError; +} - return false; +function clearCaughtError() { + if (hasError) { + var error = caughtError; + hasError = false; + caughtError = null; + return error; + } else { + invariant(false, 'clearCaughtError was called but no error was captured. This error is likely caused by a bug in React. Please file an issue.'); } +} - // Equivalent of `typeof` but with special handling for array and regexp. - function getPropType(propValue) { - var propType = typeof propValue; - if (Array.isArray(propValue)) { - return 'array'; - } - if (propValue instanceof RegExp) { - // Old webkits (at least until Android 4.0) return 'function' rather than - // 'object' for typeof a RegExp. We'll normalize this here so that /bla/ - // passes PropTypes.object. - return 'object'; - } - if (isSymbol(propType, propValue)) { - return 'symbol'; - } - return propType; - } +/** + * Injectable ordering of event plugins. + */ +var eventPluginOrder = null; - // This handles more types than `getPropType`. Only used for error messages. - // See `createPrimitiveTypeChecker`. - function getPreciseType(propValue) { - if (typeof propValue === 'undefined' || propValue === null) { - return '' + propValue; - } - var propType = getPropType(propValue); - if (propType === 'object') { - if (propValue instanceof Date) { - return 'date'; - } else if (propValue instanceof RegExp) { - return 'regexp'; - } - } - return propType; - } +/** + * Injectable mapping from names to event plugin modules. + */ +var namesToPlugins = {}; - // Returns a string that is postfixed to a warning about an invalid type. - // For example, "undefined" or "of type array" - function getPostfixForTypeWarning(value) { - var type = getPreciseType(value); - switch (type) { - case 'array': - case 'object': - return 'an ' + type; - case 'boolean': - case 'date': - case 'regexp': - return 'a ' + type; - default: - return type; - } +/** + * Recomputes the plugin list using the injected plugins and plugin ordering. + * + * @private + */ +function recomputePluginOrdering() { + if (!eventPluginOrder) { + // Wait until an `eventPluginOrder` is injected. + return; } - - // Returns class name of the object, if any. - function getClassName(propValue) { - if (!propValue.constructor || !propValue.constructor.name) { - return ANONYMOUS; + for (var pluginName in namesToPlugins) { + var pluginModule = namesToPlugins[pluginName]; + var pluginIndex = eventPluginOrder.indexOf(pluginName); + !(pluginIndex > -1) ? invariant(false, 'EventPluginRegistry: Cannot inject event plugins that do not exist in the plugin ordering, `%s`.', pluginName) : void 0; + if (plugins[pluginIndex]) { + continue; + } + !pluginModule.extractEvents ? invariant(false, 'EventPluginRegistry: Event plugins must implement an `extractEvents` method, but `%s` does not.', pluginName) : void 0; + plugins[pluginIndex] = pluginModule; + var publishedEvents = pluginModule.eventTypes; + for (var eventName in publishedEvents) { + !publishEventForPlugin(publishedEvents[eventName], pluginModule, eventName) ? invariant(false, 'EventPluginRegistry: Failed to publish event `%s` for plugin `%s`.', eventName, pluginName) : void 0; } - return propValue.constructor.name; } +} - ReactPropTypes.checkPropTypes = checkPropTypes; - ReactPropTypes.PropTypes = ReactPropTypes; - - return ReactPropTypes; -}; - -}).call(this,require('_process')) -},{"./checkPropTypes":20,"./lib/ReactPropTypesSecret":24,"_process":19,"fbjs/lib/emptyFunction":7,"fbjs/lib/invariant":13,"fbjs/lib/warning":17,"object-assign":18}],23:[function(require,module,exports){ -(function (process){ /** - * Copyright (c) 2013-present, Facebook, Inc. + * Publishes an event so that it can be dispatched by the supplied plugin. * - * This source code is licensed under the MIT license found in the - * LICENSE file in the root directory of this source tree. + * @param {object} dispatchConfig Dispatch configuration for the event. + * @param {object} PluginModule Plugin publishing the event. + * @return {boolean} True if the event was successfully published. + * @private */ +function publishEventForPlugin(dispatchConfig, pluginModule, eventName) { + !!eventNameDispatchConfigs.hasOwnProperty(eventName) ? invariant(false, 'EventPluginHub: More than one plugin attempted to publish the same event name, `%s`.', eventName) : void 0; + eventNameDispatchConfigs[eventName] = dispatchConfig; -if (process.env.NODE_ENV !== 'production') { - var REACT_ELEMENT_TYPE = (typeof Symbol === 'function' && - Symbol.for && - Symbol.for('react.element')) || - 0xeac7; - - var isValidElement = function(object) { - return typeof object === 'object' && - object !== null && - object.$$typeof === REACT_ELEMENT_TYPE; - }; - - // By explicitly using `prop-types` you are opting into new development behavior. - // http://fb.me/prop-types-in-prod - var throwOnDirectAccess = true; - module.exports = require('./factoryWithTypeCheckers')(isValidElement, throwOnDirectAccess); -} else { - // By explicitly using `prop-types` you are opting into new production behavior. - // http://fb.me/prop-types-in-prod - module.exports = require('./factoryWithThrowingShims')(); + var phasedRegistrationNames = dispatchConfig.phasedRegistrationNames; + if (phasedRegistrationNames) { + for (var phaseName in phasedRegistrationNames) { + if (phasedRegistrationNames.hasOwnProperty(phaseName)) { + var phasedRegistrationName = phasedRegistrationNames[phaseName]; + publishRegistrationName(phasedRegistrationName, pluginModule, eventName); + } + } + return true; + } else if (dispatchConfig.registrationName) { + publishRegistrationName(dispatchConfig.registrationName, pluginModule, eventName); + return true; + } + return false; } -}).call(this,require('_process')) -},{"./factoryWithThrowingShims":21,"./factoryWithTypeCheckers":22,"_process":19}],24:[function(require,module,exports){ /** - * Copyright (c) 2013-present, Facebook, Inc. + * Publishes a registration name that is used to identify dispatched events. * - * This source code is licensed under the MIT license found in the - * LICENSE file in the root directory of this source tree. + * @param {string} registrationName Registration name to add. + * @param {object} PluginModule Plugin publishing the event. + * @private */ +function publishRegistrationName(registrationName, pluginModule, eventName) { + !!registrationNameModules[registrationName] ? invariant(false, 'EventPluginHub: More than one plugin attempted to publish the same registration name, `%s`.', registrationName) : void 0; + registrationNameModules[registrationName] = pluginModule; + registrationNameDependencies[registrationName] = pluginModule.eventTypes[eventName].dependencies; -'use strict'; - -var ReactPropTypesSecret = 'SECRET_DO_NOT_PASS_THIS_OR_YOU_WILL_BE_FIRED'; + { + var lowerCasedName = registrationName.toLowerCase(); + possibleRegistrationNames[lowerCasedName] = registrationName; -module.exports = ReactPropTypesSecret; + if (registrationName === 'onDoubleClick') { + possibleRegistrationNames.ondblclick = registrationName; + } + } +} -},{}],25:[function(require,module,exports){ -(function (process){ -/** @license React v16.2.0 - * react-dom.development.js - * - * Copyright (c) 2013-present, Facebook, Inc. +/** + * Registers plugins so that they can extract and dispatch events. * - * This source code is licensed under the MIT license found in the - * LICENSE file in the root directory of this source tree. + * @see {EventPluginHub} */ -'use strict'; - +/** + * Ordered list of injected plugins. + */ +var plugins = []; +/** + * Mapping from event name to dispatch config + */ +var eventNameDispatchConfigs = {}; -if (process.env.NODE_ENV !== "production") { - (function() { -'use strict'; +/** + * Mapping from registration name to plugin module + */ +var registrationNameModules = {}; -var React = require('react'); -var invariant = require('fbjs/lib/invariant'); -var warning = require('fbjs/lib/warning'); -var ExecutionEnvironment = require('fbjs/lib/ExecutionEnvironment'); -var _assign = require('object-assign'); -var emptyFunction = require('fbjs/lib/emptyFunction'); -var EventListener = require('fbjs/lib/EventListener'); -var getActiveElement = require('fbjs/lib/getActiveElement'); -var shallowEqual = require('fbjs/lib/shallowEqual'); -var containsNode = require('fbjs/lib/containsNode'); -var focusNode = require('fbjs/lib/focusNode'); -var emptyObject = require('fbjs/lib/emptyObject'); -var checkPropTypes = require('prop-types/checkPropTypes'); -var hyphenateStyleName = require('fbjs/lib/hyphenateStyleName'); -var camelizeStyleName = require('fbjs/lib/camelizeStyleName'); +/** + * Mapping from registration name to event name + */ +var registrationNameDependencies = {}; /** - * WARNING: DO NOT manually require this module. - * This is a replacement for `invariant(...)` used by the error code system - * and will _only_ be required by the corresponding babel pass. - * It always throws. + * Mapping from lowercase registration names to the properly cased version, + * used to warn in the case of missing event handlers. Available + * only in true. + * @type {Object} */ +var possibleRegistrationNames = {}; +// Trust the developer to only use possibleRegistrationNames in true -!React ? invariant(false, 'ReactDOM was loaded before React. Make sure you load the React package before loading ReactDOM.') : void 0; - -// These attributes should be all lowercase to allow for -// case insensitive checks -var RESERVED_PROPS = { - children: true, - dangerouslySetInnerHTML: true, - defaultValue: true, - defaultChecked: true, - innerHTML: true, - suppressContentEditableWarning: true, - suppressHydrationWarning: true, - style: true -}; +/** + * Injects an ordering of plugins (by plugin name). This allows the ordering + * to be decoupled from injection of the actual plugins so that ordering is + * always deterministic regardless of packaging, on-the-fly injection, etc. + * + * @param {array} InjectedEventPluginOrder + * @internal + * @see {EventPluginHub.injection.injectEventPluginOrder} + */ +function injectEventPluginOrder(injectedEventPluginOrder) { + !!eventPluginOrder ? invariant(false, 'EventPluginRegistry: Cannot inject event plugin ordering more than once. You are likely trying to load more than one copy of React.') : void 0; + // Clone the ordering so it cannot be dynamically mutated. + eventPluginOrder = Array.prototype.slice.call(injectedEventPluginOrder); + recomputePluginOrdering(); +} -function checkMask(value, bitmask) { - return (value & bitmask) === bitmask; +/** + * Injects plugins to be used by `EventPluginHub`. The plugin names must be + * in the ordering injected by `injectEventPluginOrder`. + * + * Plugins can be injected as part of page initialization or on-the-fly. + * + * @param {object} injectedNamesToPlugins Map from names to plugin modules. + * @internal + * @see {EventPluginHub.injection.injectEventPluginsByName} + */ +function injectEventPluginsByName(injectedNamesToPlugins) { + var isOrderingDirty = false; + for (var pluginName in injectedNamesToPlugins) { + if (!injectedNamesToPlugins.hasOwnProperty(pluginName)) { + continue; + } + var pluginModule = injectedNamesToPlugins[pluginName]; + if (!namesToPlugins.hasOwnProperty(pluginName) || namesToPlugins[pluginName] !== pluginModule) { + !!namesToPlugins[pluginName] ? invariant(false, 'EventPluginRegistry: Cannot inject two different event plugins using the same name, `%s`.', pluginName) : void 0; + namesToPlugins[pluginName] = pluginModule; + isOrderingDirty = true; + } + } + if (isOrderingDirty) { + recomputePluginOrdering(); + } } -var DOMPropertyInjection = { - /** - * Mapping from normalized, camelcased property names to a configuration that - * specifies how the associated DOM property should be accessed or rendered. - */ - MUST_USE_PROPERTY: 0x1, - HAS_BOOLEAN_VALUE: 0x4, - HAS_NUMERIC_VALUE: 0x8, - HAS_POSITIVE_NUMERIC_VALUE: 0x10 | 0x8, - HAS_OVERLOADED_BOOLEAN_VALUE: 0x20, - HAS_STRING_BOOLEAN_VALUE: 0x40, +/** + * Similar to invariant but only logs a warning if the condition is not met. + * This can be used to log issues in development environments in critical + * paths. Removing the logging code for production environments will keep the + * same logic and follow the same code paths. + */ - /** - * Inject some specialized knowledge about the DOM. This takes a config object - * with the following properties: - * - * Properties: object mapping DOM property name to one of the - * DOMPropertyInjection constants or null. If your attribute isn't in here, - * it won't get written to the DOM. - * - * DOMAttributeNames: object mapping React attribute name to the DOM - * attribute name. Attribute names not specified use the **lowercase** - * normalized name. - * - * DOMAttributeNamespaces: object mapping React attribute name to the DOM - * attribute namespace URL. (Attribute names not specified use no namespace.) - * - * DOMPropertyNames: similar to DOMAttributeNames but for DOM properties. - * Property names not specified use the normalized name. - * - * DOMMutationMethods: Properties that require special mutation methods. If - * `value` is undefined, the mutation method should unset the property. - * - * @param {object} domPropertyConfig the config as described above. - */ - injectDOMPropertyConfig: function (domPropertyConfig) { - var Injection = DOMPropertyInjection; - var Properties = domPropertyConfig.Properties || {}; - var DOMAttributeNamespaces = domPropertyConfig.DOMAttributeNamespaces || {}; - var DOMAttributeNames = domPropertyConfig.DOMAttributeNames || {}; - var DOMMutationMethods = domPropertyConfig.DOMMutationMethods || {}; - - for (var propName in Properties) { - !!properties.hasOwnProperty(propName) ? invariant(false, "injectDOMPropertyConfig(...): You're trying to inject DOM property '%s' which has already been injected. You may be accidentally injecting the same DOM property config twice, or you may be injecting two configs that have conflicting property names.", propName) : void 0; - - var lowerCased = propName.toLowerCase(); - var propConfig = Properties[propName]; - - var propertyInfo = { - attributeName: lowerCased, - attributeNamespace: null, - propertyName: propName, - mutationMethod: null, - - mustUseProperty: checkMask(propConfig, Injection.MUST_USE_PROPERTY), - hasBooleanValue: checkMask(propConfig, Injection.HAS_BOOLEAN_VALUE), - hasNumericValue: checkMask(propConfig, Injection.HAS_NUMERIC_VALUE), - hasPositiveNumericValue: checkMask(propConfig, Injection.HAS_POSITIVE_NUMERIC_VALUE), - hasOverloadedBooleanValue: checkMask(propConfig, Injection.HAS_OVERLOADED_BOOLEAN_VALUE), - hasStringBooleanValue: checkMask(propConfig, Injection.HAS_STRING_BOOLEAN_VALUE) - }; - !(propertyInfo.hasBooleanValue + propertyInfo.hasNumericValue + propertyInfo.hasOverloadedBooleanValue <= 1) ? invariant(false, "DOMProperty: Value can be one of boolean, overloaded boolean, or numeric value, but not a combination: %s", propName) : void 0; +var warningWithoutStack = function () {}; + +{ + warningWithoutStack = function (condition, format) { + for (var _len = arguments.length, args = Array(_len > 2 ? _len - 2 : 0), _key = 2; _key < _len; _key++) { + args[_key - 2] = arguments[_key]; + } - if (DOMAttributeNames.hasOwnProperty(propName)) { - var attributeName = DOMAttributeNames[propName]; + if (format === undefined) { + throw new Error('`warningWithoutStack(condition, format, ...args)` requires a warning ' + 'message argument'); + } + if (args.length > 8) { + // Check before the condition to catch violations early. + throw new Error('warningWithoutStack() currently supports at most 8 arguments.'); + } + if (condition) { + return; + } + if (typeof console !== 'undefined') { + var argsWithFormat = args.map(function (item) { + return '' + item; + }); + argsWithFormat.unshift('Warning: ' + format); - propertyInfo.attributeName = attributeName; - } + // We intentionally don't use spread (or .apply) directly because it + // breaks IE9: https://github.com/facebook/react/issues/13610 + Function.prototype.apply.call(console.error, console, argsWithFormat); + } + try { + // --- Welcome to debugging React --- + // This error was thrown as a convenience so that you can use this stack + // to find the callsite that caused this warning to fire. + var argIndex = 0; + var message = 'Warning: ' + format.replace(/%s/g, function () { + return args[argIndex++]; + }); + throw new Error(message); + } catch (x) {} + }; +} - if (DOMAttributeNamespaces.hasOwnProperty(propName)) { - propertyInfo.attributeNamespace = DOMAttributeNamespaces[propName]; - } +var warningWithoutStack$1 = warningWithoutStack; - if (DOMMutationMethods.hasOwnProperty(propName)) { - propertyInfo.mutationMethod = DOMMutationMethods[propName]; - } +var getFiberCurrentPropsFromNode = null; +var getInstanceFromNode = null; +var getNodeFromInstance = null; - // Downcase references to whitelist properties to check for membership - // without case-sensitivity. This allows the whitelist to pick up - // `allowfullscreen`, which should be written using the property configuration - // for `allowFullscreen` - properties[propName] = propertyInfo; - } +function setComponentTree(getFiberCurrentPropsFromNodeImpl, getInstanceFromNodeImpl, getNodeFromInstanceImpl) { + getFiberCurrentPropsFromNode = getFiberCurrentPropsFromNodeImpl; + getInstanceFromNode = getInstanceFromNodeImpl; + getNodeFromInstance = getNodeFromInstanceImpl; + { + !(getNodeFromInstance && getInstanceFromNode) ? warningWithoutStack$1(false, 'EventPluginUtils.setComponentTree(...): Injected ' + 'module is missing getNodeFromInstance or getInstanceFromNode.') : void 0; } -}; +} -/* eslint-disable max-len */ -var ATTRIBUTE_NAME_START_CHAR = ":A-Z_a-z\\u00C0-\\u00D6\\u00D8-\\u00F6\\u00F8-\\u02FF\\u0370-\\u037D\\u037F-\\u1FFF\\u200C-\\u200D\\u2070-\\u218F\\u2C00-\\u2FEF\\u3001-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFFD"; -/* eslint-enable max-len */ -var ATTRIBUTE_NAME_CHAR = ATTRIBUTE_NAME_START_CHAR + "\\-.0-9\\u00B7\\u0300-\\u036F\\u203F-\\u2040"; +var validateEventDispatches = void 0; +{ + validateEventDispatches = function (event) { + var dispatchListeners = event._dispatchListeners; + var dispatchInstances = event._dispatchInstances; + var listenersIsArr = Array.isArray(dispatchListeners); + var listenersLen = listenersIsArr ? dispatchListeners.length : dispatchListeners ? 1 : 0; -var ROOT_ATTRIBUTE_NAME = 'data-reactroot'; + var instancesIsArr = Array.isArray(dispatchInstances); + var instancesLen = instancesIsArr ? dispatchInstances.length : dispatchInstances ? 1 : 0; + + !(instancesIsArr === listenersIsArr && instancesLen === listenersLen) ? warningWithoutStack$1(false, 'EventPluginUtils: Invalid `event`.') : void 0; + }; +} /** - * Map from property "standard name" to an object with info about how to set - * the property in the DOM. Each object contains: - * - * attributeName: - * Used when rendering markup or with `*Attribute()`. - * attributeNamespace - * propertyName: - * Used on DOM node instances. (This includes properties that mutate due to - * external factors.) - * mutationMethod: - * If non-null, used instead of the property or `setAttribute()` after - * initial render. - * mustUseProperty: - * Whether the property must be accessed and mutated as an object property. - * hasBooleanValue: - * Whether the property should be removed when set to a falsey value. - * hasNumericValue: - * Whether the property must be numeric or parse as a numeric and should be - * removed when set to a falsey value. - * hasPositiveNumericValue: - * Whether the property must be positive numeric or parse as a positive - * numeric and should be removed when set to a falsey value. - * hasOverloadedBooleanValue: - * Whether the property can be used as a flag as well as with a value. - * Removed when strictly equal to false; present without a value when - * strictly equal to true; present with a value otherwise. + * Dispatch the event to the listener. + * @param {SyntheticEvent} event SyntheticEvent to handle + * @param {function} listener Application-level callback + * @param {*} inst Internal component instance */ -var properties = {}; +function executeDispatch(event, listener, inst) { + var type = event.type || 'unknown-event'; + event.currentTarget = getNodeFromInstance(inst); + invokeGuardedCallbackAndCatchFirstError(type, listener, undefined, event); + event.currentTarget = null; +} /** - * Checks whether a property name is a writeable attribute. - * @method + * Standard/simple iteration through an event's collected dispatches. */ -function shouldSetAttribute(name, value) { - if (isReservedProp(name)) { - return false; - } - if (name.length > 2 && (name[0] === 'o' || name[0] === 'O') && (name[1] === 'n' || name[1] === 'N')) { - return false; - } - if (value === null) { - return true; +function executeDispatchesInOrder(event) { + var dispatchListeners = event._dispatchListeners; + var dispatchInstances = event._dispatchInstances; + { + validateEventDispatches(event); } - switch (typeof value) { - case 'boolean': - return shouldAttributeAcceptBooleanValue(name); - case 'undefined': - case 'number': - case 'string': - case 'object': - return true; - default: - // function, symbol - return false; + if (Array.isArray(dispatchListeners)) { + for (var i = 0; i < dispatchListeners.length; i++) { + if (event.isPropagationStopped()) { + break; + } + // Listeners and Instances are two parallel arrays that are always in sync. + executeDispatch(event, dispatchListeners[i], dispatchInstances[i]); + } + } else if (dispatchListeners) { + executeDispatch(event, dispatchListeners, dispatchInstances); } + event._dispatchListeners = null; + event._dispatchInstances = null; } -function getPropertyInfo(name) { - return properties.hasOwnProperty(name) ? properties[name] : null; -} +/** + * @see executeDispatchesInOrderStopAtTrueImpl + */ -function shouldAttributeAcceptBooleanValue(name) { - if (isReservedProp(name)) { - return true; - } - var propertyInfo = getPropertyInfo(name); - if (propertyInfo) { - return propertyInfo.hasBooleanValue || propertyInfo.hasStringBooleanValue || propertyInfo.hasOverloadedBooleanValue; - } - var prefix = name.toLowerCase().slice(0, 5); - return prefix === 'data-' || prefix === 'aria-'; -} /** - * Checks to see if a property name is within the list of properties - * reserved for internal React operations. These properties should - * not be set on an HTML element. + * Execution of a "direct" dispatch - there must be at most one dispatch + * accumulated on the event or it is considered an error. It doesn't really make + * sense for an event with multiple dispatches (bubbled) to keep track of the + * return values at each dispatch execution, but it does tend to make sense when + * dealing with "direct" dispatches. * - * @private - * @param {string} name - * @return {boolean} If the name is within reserved props + * @return {*} The return value of executing the single dispatch. */ -function isReservedProp(name) { - return RESERVED_PROPS.hasOwnProperty(name); -} - -var injection = DOMPropertyInjection; - -var MUST_USE_PROPERTY = injection.MUST_USE_PROPERTY; -var HAS_BOOLEAN_VALUE = injection.HAS_BOOLEAN_VALUE; -var HAS_NUMERIC_VALUE = injection.HAS_NUMERIC_VALUE; -var HAS_POSITIVE_NUMERIC_VALUE = injection.HAS_POSITIVE_NUMERIC_VALUE; -var HAS_OVERLOADED_BOOLEAN_VALUE = injection.HAS_OVERLOADED_BOOLEAN_VALUE; -var HAS_STRING_BOOLEAN_VALUE = injection.HAS_STRING_BOOLEAN_VALUE; - -var HTMLDOMPropertyConfig = { - // When adding attributes to this list, be sure to also add them to - // the `possibleStandardNames` module to ensure casing and incorrect - // name warnings. - Properties: { - allowFullScreen: HAS_BOOLEAN_VALUE, - // specifies target context for links with `preload` type - async: HAS_BOOLEAN_VALUE, - // Note: there is a special case that prevents it from being written to the DOM - // on the client side because the browsers are inconsistent. Instead we call focus(). - autoFocus: HAS_BOOLEAN_VALUE, - autoPlay: HAS_BOOLEAN_VALUE, - capture: HAS_OVERLOADED_BOOLEAN_VALUE, - checked: MUST_USE_PROPERTY | HAS_BOOLEAN_VALUE, - cols: HAS_POSITIVE_NUMERIC_VALUE, - contentEditable: HAS_STRING_BOOLEAN_VALUE, - controls: HAS_BOOLEAN_VALUE, - 'default': HAS_BOOLEAN_VALUE, - defer: HAS_BOOLEAN_VALUE, - disabled: HAS_BOOLEAN_VALUE, - download: HAS_OVERLOADED_BOOLEAN_VALUE, - draggable: HAS_STRING_BOOLEAN_VALUE, - formNoValidate: HAS_BOOLEAN_VALUE, - hidden: HAS_BOOLEAN_VALUE, - loop: HAS_BOOLEAN_VALUE, - // Caution; `option.selected` is not updated if `select.multiple` is - // disabled with `removeAttribute`. - multiple: MUST_USE_PROPERTY | HAS_BOOLEAN_VALUE, - muted: MUST_USE_PROPERTY | HAS_BOOLEAN_VALUE, - noValidate: HAS_BOOLEAN_VALUE, - open: HAS_BOOLEAN_VALUE, - playsInline: HAS_BOOLEAN_VALUE, - readOnly: HAS_BOOLEAN_VALUE, - required: HAS_BOOLEAN_VALUE, - reversed: HAS_BOOLEAN_VALUE, - rows: HAS_POSITIVE_NUMERIC_VALUE, - rowSpan: HAS_NUMERIC_VALUE, - scoped: HAS_BOOLEAN_VALUE, - seamless: HAS_BOOLEAN_VALUE, - selected: MUST_USE_PROPERTY | HAS_BOOLEAN_VALUE, - size: HAS_POSITIVE_NUMERIC_VALUE, - start: HAS_NUMERIC_VALUE, - // support for projecting regular DOM Elements via V1 named slots ( shadow dom ) - span: HAS_POSITIVE_NUMERIC_VALUE, - spellCheck: HAS_STRING_BOOLEAN_VALUE, - // Style must be explicitly set in the attribute list. React components - // expect a style object - style: 0, - // Keep it in the whitelist because it is case-sensitive for SVG. - tabIndex: 0, - // itemScope is for for Microdata support. - // See http://schema.org/docs/gs.html - itemScope: HAS_BOOLEAN_VALUE, - // These attributes must stay in the white-list because they have - // different attribute names (see DOMAttributeNames below) - acceptCharset: 0, - className: 0, - htmlFor: 0, - httpEquiv: 0, - // Attributes with mutation methods must be specified in the whitelist - // Set the string boolean flag to allow the behavior - value: HAS_STRING_BOOLEAN_VALUE - }, - DOMAttributeNames: { - acceptCharset: 'accept-charset', - className: 'class', - htmlFor: 'for', - httpEquiv: 'http-equiv' - }, - DOMMutationMethods: { - value: function (node, value) { - if (value == null) { - return node.removeAttribute('value'); - } - - // Number inputs get special treatment due to some edge cases in - // Chrome. Let everything else assign the value attribute as normal. - // https://github.com/facebook/react/issues/7253#issuecomment-236074326 - if (node.type !== 'number' || node.hasAttribute('value') === false) { - node.setAttribute('value', '' + value); - } else if (node.validity && !node.validity.badInput && node.ownerDocument.activeElement !== node) { - // Don't assign an attribute if validation reports bad - // input. Chrome will clear the value. Additionally, don't - // operate on inputs that have focus, otherwise Chrome might - // strip off trailing decimal places and cause the user's - // cursor position to jump to the beginning of the input. - // - // In ReactDOMInput, we have an onBlur event that will trigger - // this function again when focus is lost. - node.setAttribute('value', '' + value); - } - } - } -}; - -var HAS_STRING_BOOLEAN_VALUE$1 = injection.HAS_STRING_BOOLEAN_VALUE; -var NS = { - xlink: 'http://www.w3.org/1999/xlink', - xml: 'http://www.w3.org/XML/1998/namespace' -}; +/** + * @param {SyntheticEvent} event + * @return {boolean} True iff number of dispatches accumulated is greater than 0. + */ /** - * This is a list of all SVG attributes that need special casing, - * namespacing, or boolean value assignment. + * Accumulates items that must not be null or undefined into the first one. This + * is used to conserve memory by avoiding array allocations, and thus sacrifices + * API cleanness. Since `current` can be null before being passed in and not + * null after this function, make sure to assign it back to `current`: + * + * `a = accumulateInto(a, b);` * - * When adding attributes to this list, be sure to also add them to - * the `possibleStandardNames` module to ensure casing and incorrect - * name warnings. + * This API should be sparingly used. Try `accumulate` for something cleaner. * - * SVG Attributes List: - * https://www.w3.org/TR/SVG/attindex.html - * SMIL Spec: - * https://www.w3.org/TR/smil + * @return {*|array<*>} An accumulation of items. */ -var ATTRS = ['accent-height', 'alignment-baseline', 'arabic-form', 'baseline-shift', 'cap-height', 'clip-path', 'clip-rule', 'color-interpolation', 'color-interpolation-filters', 'color-profile', 'color-rendering', 'dominant-baseline', 'enable-background', 'fill-opacity', 'fill-rule', 'flood-color', 'flood-opacity', 'font-family', 'font-size', 'font-size-adjust', 'font-stretch', 'font-style', 'font-variant', 'font-weight', 'glyph-name', 'glyph-orientation-horizontal', 'glyph-orientation-vertical', 'horiz-adv-x', 'horiz-origin-x', 'image-rendering', 'letter-spacing', 'lighting-color', 'marker-end', 'marker-mid', 'marker-start', 'overline-position', 'overline-thickness', 'paint-order', 'panose-1', 'pointer-events', 'rendering-intent', 'shape-rendering', 'stop-color', 'stop-opacity', 'strikethrough-position', 'strikethrough-thickness', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'text-anchor', 'text-decoration', 'text-rendering', 'underline-position', 'underline-thickness', 'unicode-bidi', 'unicode-range', 'units-per-em', 'v-alphabetic', 'v-hanging', 'v-ideographic', 'v-mathematical', 'vector-effect', 'vert-adv-y', 'vert-origin-x', 'vert-origin-y', 'word-spacing', 'writing-mode', 'x-height', 'xlink:actuate', 'xlink:arcrole', 'xlink:href', 'xlink:role', 'xlink:show', 'xlink:title', 'xlink:type', 'xml:base', 'xmlns:xlink', 'xml:lang', 'xml:space']; -var SVGDOMPropertyConfig = { - Properties: { - autoReverse: HAS_STRING_BOOLEAN_VALUE$1, - externalResourcesRequired: HAS_STRING_BOOLEAN_VALUE$1, - preserveAlpha: HAS_STRING_BOOLEAN_VALUE$1 - }, - DOMAttributeNames: { - autoReverse: 'autoReverse', - externalResourcesRequired: 'externalResourcesRequired', - preserveAlpha: 'preserveAlpha' - }, - DOMAttributeNamespaces: { - xlinkActuate: NS.xlink, - xlinkArcrole: NS.xlink, - xlinkHref: NS.xlink, - xlinkRole: NS.xlink, - xlinkShow: NS.xlink, - xlinkTitle: NS.xlink, - xlinkType: NS.xlink, - xmlBase: NS.xml, - xmlLang: NS.xml, - xmlSpace: NS.xml +function accumulateInto(current, next) { + !(next != null) ? invariant(false, 'accumulateInto(...): Accumulated items must not be null or undefined.') : void 0; + + if (current == null) { + return next; } -}; -var CAMELIZE = /[\-\:]([a-z])/g; -var capitalize = function (token) { - return token[1].toUpperCase(); -}; + // Both are not empty. Warning: Never call x.concat(y) when you are not + // certain that x is an Array (x could be a string with concat method). + if (Array.isArray(current)) { + if (Array.isArray(next)) { + current.push.apply(current, next); + return current; + } + current.push(next); + return current; + } -ATTRS.forEach(function (original) { - var reactName = original.replace(CAMELIZE, capitalize); + if (Array.isArray(next)) { + // A bit too dangerous to mutate `next`. + return [current].concat(next); + } - SVGDOMPropertyConfig.Properties[reactName] = 0; - SVGDOMPropertyConfig.DOMAttributeNames[reactName] = original; -}); + return [current, next]; +} -injection.injectDOMPropertyConfig(HTMLDOMPropertyConfig); -injection.injectDOMPropertyConfig(SVGDOMPropertyConfig); +/** + * @param {array} arr an "accumulation" of items which is either an Array or + * a single item. Useful when paired with the `accumulate` module. This is a + * simple utility that allows us to reason about a collection of items, but + * handling the case when there is exactly one item (and we do not need to + * allocate an array). + * @param {function} cb Callback invoked with each element or a collection. + * @param {?} [scope] Scope used as `this` in a callback. + */ +function forEachAccumulated(arr, cb, scope) { + if (Array.isArray(arr)) { + arr.forEach(cb, scope); + } else if (arr) { + cb.call(scope, arr); + } +} -var ReactErrorUtils = { - // Used by Fiber to simulate a try-catch. - _caughtError: null, - _hasCaughtError: false, +/** + * Internal queue of events that have accumulated their dispatches and are + * waiting to have their dispatches executed. + */ +var eventQueue = null; - // Used by event system to capture/rethrow the first error. - _rethrowError: null, - _hasRethrowError: false, +/** + * Dispatches an event and releases it back into the pool, unless persistent. + * + * @param {?object} event Synthetic event to be dispatched. + * @private + */ +var executeDispatchesAndRelease = function (event) { + if (event) { + executeDispatchesInOrder(event); - injection: { - injectErrorUtils: function (injectedErrorUtils) { - !(typeof injectedErrorUtils.invokeGuardedCallback === 'function') ? invariant(false, 'Injected invokeGuardedCallback() must be a function.') : void 0; - invokeGuardedCallback = injectedErrorUtils.invokeGuardedCallback; + if (!event.isPersistent()) { + event.constructor.release(event); } - }, + } +}; +var executeDispatchesAndReleaseTopLevel = function (e) { + return executeDispatchesAndRelease(e); +}; - /** - * Call a function while guarding against errors that happens within it. - * Returns an error if it throws, otherwise null. - * - * In production, this is implemented using a try-catch. The reason we don't - * use a try-catch directly is so that we can swap out a different - * implementation in DEV mode. - * - * @param {String} name of the guard to use for logging or debugging - * @param {Function} func The function to invoke - * @param {*} context The context to use when calling the function - * @param {...*} args Arguments for function - */ - invokeGuardedCallback: function (name, func, context, a, b, c, d, e, f) { - invokeGuardedCallback.apply(ReactErrorUtils, arguments); - }, +function isInteractive(tag) { + return tag === 'button' || tag === 'input' || tag === 'select' || tag === 'textarea'; +} + +function shouldPreventMouseEvent(name, type, props) { + switch (name) { + case 'onClick': + case 'onClickCapture': + case 'onDoubleClick': + case 'onDoubleClickCapture': + case 'onMouseDown': + case 'onMouseDownCapture': + case 'onMouseMove': + case 'onMouseMoveCapture': + case 'onMouseUp': + case 'onMouseUpCapture': + return !!(props.disabled && isInteractive(type)); + default: + return false; + } +} + +/** + * This is a unified interface for event plugins to be installed and configured. + * + * Event plugins can implement the following properties: + * + * `extractEvents` {function(string, DOMEventTarget, string, object): *} + * Required. When a top-level event is fired, this method is expected to + * extract synthetic events that will in turn be queued and dispatched. + * + * `eventTypes` {object} + * Optional, plugins that fire events must publish a mapping of registration + * names that are used to register listeners. Values of this mapping must + * be objects that contain `registrationName` or `phasedRegistrationNames`. + * + * `executeDispatch` {function(object, function, string)} + * Optional, allows plugins to override how an event gets dispatched. By + * default, the listener is simply invoked. + * + * Each plugin that is injected into `EventsPluginHub` is immediately operable. + * + * @public + */ +/** + * Methods for injecting dependencies. + */ +var injection = { /** - * Same as invokeGuardedCallback, but instead of returning an error, it stores - * it in a global so it can be rethrown by `rethrowCaughtError` later. - * TODO: See if _caughtError and _rethrowError can be unified. - * - * @param {String} name of the guard to use for logging or debugging - * @param {Function} func The function to invoke - * @param {*} context The context to use when calling the function - * @param {...*} args Arguments for function + * @param {array} InjectedEventPluginOrder + * @public */ - invokeGuardedCallbackAndCatchFirstError: function (name, func, context, a, b, c, d, e, f) { - ReactErrorUtils.invokeGuardedCallback.apply(this, arguments); - if (ReactErrorUtils.hasCaughtError()) { - var error = ReactErrorUtils.clearCaughtError(); - if (!ReactErrorUtils._hasRethrowError) { - ReactErrorUtils._hasRethrowError = true; - ReactErrorUtils._rethrowError = error; - } - } - }, + injectEventPluginOrder: injectEventPluginOrder, /** - * During execution of guarded functions we will capture the first error which - * we will rethrow to be handled by the top level error handler. + * @param {object} injectedNamesToPlugins Map from names to plugin modules. */ - rethrowCaughtError: function () { - return rethrowCaughtError.apply(ReactErrorUtils, arguments); - }, + injectEventPluginsByName: injectEventPluginsByName +}; - hasCaughtError: function () { - return ReactErrorUtils._hasCaughtError; - }, +/** + * @param {object} inst The instance, which is the source of events. + * @param {string} registrationName Name of listener (e.g. `onClick`). + * @return {?function} The stored callback. + */ +function getListener(inst, registrationName) { + var listener = void 0; - clearCaughtError: function () { - if (ReactErrorUtils._hasCaughtError) { - var error = ReactErrorUtils._caughtError; - ReactErrorUtils._caughtError = null; - ReactErrorUtils._hasCaughtError = false; - return error; - } else { - invariant(false, 'clearCaughtError was called but no error was captured. This error is likely caused by a bug in React. Please file an issue.'); - } + // TODO: shouldPreventMouseEvent is DOM-specific and definitely should not + // live here; needs to be moved to a better place soon + var stateNode = inst.stateNode; + if (!stateNode) { + // Work in progress (ex: onload events in incremental mode). + return null; } -}; - -var invokeGuardedCallback = function (name, func, context, a, b, c, d, e, f) { - ReactErrorUtils._hasCaughtError = false; - ReactErrorUtils._caughtError = null; - var funcArgs = Array.prototype.slice.call(arguments, 3); - try { - func.apply(context, funcArgs); - } catch (error) { - ReactErrorUtils._caughtError = error; - ReactErrorUtils._hasCaughtError = true; + var props = getFiberCurrentPropsFromNode(stateNode); + if (!props) { + // Work in progress. + return null; } -}; - -{ - // In DEV mode, we swap out invokeGuardedCallback for a special version - // that plays more nicely with the browser's DevTools. The idea is to preserve - // "Pause on exceptions" behavior. Because React wraps all user-provided - // functions in invokeGuardedCallback, and the production version of - // invokeGuardedCallback uses a try-catch, all user exceptions are treated - // like caught exceptions, and the DevTools won't pause unless the developer - // takes the extra step of enabling pause on caught exceptions. This is - // untintuitive, though, because even though React has caught the error, from - // the developer's perspective, the error is uncaught. - // - // To preserve the expected "Pause on exceptions" behavior, we don't use a - // try-catch in DEV. Instead, we synchronously dispatch a fake event to a fake - // DOM node, and call the user-provided callback from inside an event handler - // for that fake event. If the callback throws, the error is "captured" using - // a global event handler. But because the error happens in a different - // event loop context, it does not interrupt the normal program flow. - // Effectively, this gives us try-catch behavior without actually using - // try-catch. Neat! + listener = props[registrationName]; + if (shouldPreventMouseEvent(registrationName, inst.type, props)) { + return null; + } + !(!listener || typeof listener === 'function') ? invariant(false, 'Expected `%s` listener to be a function, instead got a value of `%s` type.', registrationName, typeof listener) : void 0; + return listener; +} - // Check that the browser supports the APIs we need to implement our special - // DEV version of invokeGuardedCallback - if (typeof window !== 'undefined' && typeof window.dispatchEvent === 'function' && typeof document !== 'undefined' && typeof document.createEvent === 'function') { - var fakeNode = document.createElement('react'); +/** + * Allows registered plugins an opportunity to extract events from top-level + * native browser events. + * + * @return {*} An accumulation of synthetic events. + * @internal + */ +function extractEvents(topLevelType, targetInst, nativeEvent, nativeEventTarget) { + var events = null; + for (var i = 0; i < plugins.length; i++) { + // Not every plugin in the ordering may be loaded at runtime. + var possiblePlugin = plugins[i]; + if (possiblePlugin) { + var extractedEvents = possiblePlugin.extractEvents(topLevelType, targetInst, nativeEvent, nativeEventTarget); + if (extractedEvents) { + events = accumulateInto(events, extractedEvents); + } + } + } + return events; +} - var invokeGuardedCallbackDev = function (name, func, context, a, b, c, d, e, f) { - // Keeps track of whether the user-provided callback threw an error. We - // set this to true at the beginning, then set it to false right after - // calling the function. If the function errors, `didError` will never be - // set to false. This strategy works even if the browser is flaky and - // fails to call our global error handler, because it doesn't rely on - // the error event at all. - var didError = true; +function runEventsInBatch(events) { + if (events !== null) { + eventQueue = accumulateInto(eventQueue, events); + } - // Create an event handler for our fake event. We will synchronously - // dispatch our fake event using `dispatchEvent`. Inside the handler, we - // call the user-provided callback. - var funcArgs = Array.prototype.slice.call(arguments, 3); - function callCallback() { - // We immediately remove the callback from event listeners so that - // nested `invokeGuardedCallback` calls do not clash. Otherwise, a - // nested call would trigger the fake event handlers of any call higher - // in the stack. - fakeNode.removeEventListener(evtType, callCallback, false); - func.apply(context, funcArgs); - didError = false; - } + // Set `eventQueue` to null before processing it so that we can tell if more + // events get enqueued while processing. + var processingEventQueue = eventQueue; + eventQueue = null; - // Create a global error event handler. We use this to capture the value - // that was thrown. It's possible that this error handler will fire more - // than once; for example, if non-React code also calls `dispatchEvent` - // and a handler for that event throws. We should be resilient to most of - // those cases. Even if our error event handler fires more than once, the - // last error event is always used. If the callback actually does error, - // we know that the last error event is the correct one, because it's not - // possible for anything else to have happened in between our callback - // erroring and the code that follows the `dispatchEvent` call below. If - // the callback doesn't error, but the error event was fired, we know to - // ignore it because `didError` will be false, as described above. - var error = void 0; - // Use this to track whether the error event is ever called. - var didSetError = false; - var isCrossOriginError = false; + if (!processingEventQueue) { + return; + } - function onError(event) { - error = event.error; - didSetError = true; - if (error === null && event.colno === 0 && event.lineno === 0) { - isCrossOriginError = true; - } - } + forEachAccumulated(processingEventQueue, executeDispatchesAndReleaseTopLevel); + !!eventQueue ? invariant(false, 'processEventQueue(): Additional events were enqueued while processing an event queue. Support for this has not yet been implemented.') : void 0; + // This would be a good time to rethrow if any of the event handlers threw. + rethrowCaughtError(); +} - // Create a fake event type. - var evtType = 'react-' + (name ? name : 'invokeguardedcallback'); +function runExtractedEventsInBatch(topLevelType, targetInst, nativeEvent, nativeEventTarget) { + var events = extractEvents(topLevelType, targetInst, nativeEvent, nativeEventTarget); + runEventsInBatch(events); +} - // Attach our event handlers - window.addEventListener('error', onError); - fakeNode.addEventListener(evtType, callCallback, false); +var FunctionComponent = 0; +var ClassComponent = 1; +var IndeterminateComponent = 2; // Before we know whether it is function or class +var HostRoot = 3; // Root of a host tree. Could be nested inside another node. +var HostPortal = 4; // A subtree. Could be an entry point to a different renderer. +var HostComponent = 5; +var HostText = 6; +var Fragment = 7; +var Mode = 8; +var ContextConsumer = 9; +var ContextProvider = 10; +var ForwardRef = 11; +var Profiler = 12; +var SuspenseComponent = 13; +var MemoComponent = 14; +var SimpleMemoComponent = 15; +var LazyComponent = 16; +var IncompleteClassComponent = 17; +var DehydratedSuspenseComponent = 18; - // Synchronously dispatch our fake event. If the user-provided function - // errors, it will trigger our global error handler. - var evt = document.createEvent('Event'); - evt.initEvent(evtType, false, false); - fakeNode.dispatchEvent(evt); +var randomKey = Math.random().toString(36).slice(2); +var internalInstanceKey = '__reactInternalInstance$' + randomKey; +var internalEventHandlersKey = '__reactEventHandlers$' + randomKey; - if (didError) { - if (!didSetError) { - // The callback errored, but the error event never fired. - error = new Error('An error was thrown inside one of your components, but React ' + "doesn't know what it was. This is likely due to browser " + 'flakiness. React does its best to preserve the "Pause on ' + 'exceptions" behavior of the DevTools, which requires some ' + "DEV-mode only tricks. It's possible that these don't work in " + 'your browser. Try triggering the error in production mode, ' + 'or switching to a modern browser. If you suspect that this is ' + 'actually an issue with React, please file an issue.'); - } else if (isCrossOriginError) { - error = new Error("A cross-origin error was thrown. React doesn't have access to " + 'the actual error object in development. ' + 'See https://fb.me/react-crossorigin-error for more information.'); - } - ReactErrorUtils._hasCaughtError = true; - ReactErrorUtils._caughtError = error; - } else { - ReactErrorUtils._hasCaughtError = false; - ReactErrorUtils._caughtError = null; - } +function precacheFiberNode(hostInst, node) { + node[internalInstanceKey] = hostInst; +} - // Remove our event listeners - window.removeEventListener('error', onError); - }; +/** + * Given a DOM node, return the closest ReactDOMComponent or + * ReactDOMTextComponent instance ancestor. + */ +function getClosestInstanceFromNode(node) { + if (node[internalInstanceKey]) { + return node[internalInstanceKey]; + } - invokeGuardedCallback = invokeGuardedCallbackDev; + while (!node[internalInstanceKey]) { + if (node.parentNode) { + node = node.parentNode; + } else { + // Top of the tree. This node must not be part of a React tree (or is + // unmounted, potentially). + return null; + } } -} -var rethrowCaughtError = function () { - if (ReactErrorUtils._hasRethrowError) { - var error = ReactErrorUtils._rethrowError; - ReactErrorUtils._rethrowError = null; - ReactErrorUtils._hasRethrowError = false; - throw error; + var inst = node[internalInstanceKey]; + if (inst.tag === HostComponent || inst.tag === HostText) { + // In Fiber, this will always be the deepest root. + return inst; } -}; -/** - * Injectable ordering of event plugins. - */ -var eventPluginOrder = null; + return null; +} /** - * Injectable mapping from names to event plugin modules. + * Given a DOM node, return the ReactDOMComponent or ReactDOMTextComponent + * instance, or null if the node was not rendered by this React. */ -var namesToPlugins = {}; - -/** - * Recomputes the plugin list using the injected plugins and plugin ordering. - * - * @private - */ -function recomputePluginOrdering() { - if (!eventPluginOrder) { - // Wait until an `eventPluginOrder` is injected. - return; - } - for (var pluginName in namesToPlugins) { - var pluginModule = namesToPlugins[pluginName]; - var pluginIndex = eventPluginOrder.indexOf(pluginName); - !(pluginIndex > -1) ? invariant(false, 'EventPluginRegistry: Cannot inject event plugins that do not exist in the plugin ordering, `%s`.', pluginName) : void 0; - if (plugins[pluginIndex]) { - continue; - } - !pluginModule.extractEvents ? invariant(false, 'EventPluginRegistry: Event plugins must implement an `extractEvents` method, but `%s` does not.', pluginName) : void 0; - plugins[pluginIndex] = pluginModule; - var publishedEvents = pluginModule.eventTypes; - for (var eventName in publishedEvents) { - !publishEventForPlugin(publishedEvents[eventName], pluginModule, eventName) ? invariant(false, 'EventPluginRegistry: Failed to publish event `%s` for plugin `%s`.', eventName, pluginName) : void 0; +function getInstanceFromNode$1(node) { + var inst = node[internalInstanceKey]; + if (inst) { + if (inst.tag === HostComponent || inst.tag === HostText) { + return inst; + } else { + return null; } } + return null; } /** - * Publishes an event so that it can be dispatched by the supplied plugin. - * - * @param {object} dispatchConfig Dispatch configuration for the event. - * @param {object} PluginModule Plugin publishing the event. - * @return {boolean} True if the event was successfully published. - * @private + * Given a ReactDOMComponent or ReactDOMTextComponent, return the corresponding + * DOM node. */ -function publishEventForPlugin(dispatchConfig, pluginModule, eventName) { - !!eventNameDispatchConfigs.hasOwnProperty(eventName) ? invariant(false, 'EventPluginHub: More than one plugin attempted to publish the same event name, `%s`.', eventName) : void 0; - eventNameDispatchConfigs[eventName] = dispatchConfig; +function getNodeFromInstance$1(inst) { + if (inst.tag === HostComponent || inst.tag === HostText) { + // In Fiber this, is just the state node right now. We assume it will be + // a host component or host text. + return inst.stateNode; + } - var phasedRegistrationNames = dispatchConfig.phasedRegistrationNames; - if (phasedRegistrationNames) { - for (var phaseName in phasedRegistrationNames) { - if (phasedRegistrationNames.hasOwnProperty(phaseName)) { - var phasedRegistrationName = phasedRegistrationNames[phaseName]; - publishRegistrationName(phasedRegistrationName, pluginModule, eventName); - } - } - return true; - } else if (dispatchConfig.registrationName) { - publishRegistrationName(dispatchConfig.registrationName, pluginModule, eventName); - return true; + // Without this first invariant, passing a non-DOM-component triggers the next + // invariant for a missing parent, which is super confusing. + invariant(false, 'getNodeFromInstance: Invalid argument.'); +} + +function getFiberCurrentPropsFromNode$1(node) { + return node[internalEventHandlersKey] || null; +} + +function updateFiberProps(node, props) { + node[internalEventHandlersKey] = props; +} + +function getParent(inst) { + do { + inst = inst.return; + // TODO: If this is a HostRoot we might want to bail out. + // That is depending on if we want nested subtrees (layers) to bubble + // events to their parent. We could also go through parentNode on the + // host node but that wouldn't work for React Native and doesn't let us + // do the portal feature. + } while (inst && inst.tag !== HostComponent); + if (inst) { + return inst; } - return false; + return null; } /** - * Publishes a registration name that is used to identify dispatched events. - * - * @param {string} registrationName Registration name to add. - * @param {object} PluginModule Plugin publishing the event. - * @private + * Return the lowest common ancestor of A and B, or null if they are in + * different trees. */ -function publishRegistrationName(registrationName, pluginModule, eventName) { - !!registrationNameModules[registrationName] ? invariant(false, 'EventPluginHub: More than one plugin attempted to publish the same registration name, `%s`.', registrationName) : void 0; - registrationNameModules[registrationName] = pluginModule; - registrationNameDependencies[registrationName] = pluginModule.eventTypes[eventName].dependencies; +function getLowestCommonAncestor(instA, instB) { + var depthA = 0; + for (var tempA = instA; tempA; tempA = getParent(tempA)) { + depthA++; + } + var depthB = 0; + for (var tempB = instB; tempB; tempB = getParent(tempB)) { + depthB++; + } - { - var lowerCasedName = registrationName.toLowerCase(); - possibleRegistrationNames[lowerCasedName] = registrationName; + // If A is deeper, crawl up. + while (depthA - depthB > 0) { + instA = getParent(instA); + depthA--; + } - if (registrationName === 'onDoubleClick') { - possibleRegistrationNames.ondblclick = registrationName; + // If B is deeper, crawl up. + while (depthB - depthA > 0) { + instB = getParent(instB); + depthB--; + } + + // Walk in lockstep until we find a match. + var depth = depthA; + while (depth--) { + if (instA === instB || instA === instB.alternate) { + return instA; } + instA = getParent(instA); + instB = getParent(instB); } + return null; } /** - * Registers plugins so that they can extract and dispatch events. - * - * @see {EventPluginHub} + * Return if A is an ancestor of B. */ + /** - * Ordered list of injected plugins. + * Return the parent instance of the passed-in instance. */ -var plugins = []; + /** - * Mapping from event name to dispatch config + * Simulates the traversal of a two-phase, capture/bubble event dispatch. */ -var eventNameDispatchConfigs = {}; +function traverseTwoPhase(inst, fn, arg) { + var path = []; + while (inst) { + path.push(inst); + inst = getParent(inst); + } + var i = void 0; + for (i = path.length; i-- > 0;) { + fn(path[i], 'captured', arg); + } + for (i = 0; i < path.length; i++) { + fn(path[i], 'bubbled', arg); + } +} /** - * Mapping from registration name to plugin module + * Traverses the ID hierarchy and invokes the supplied `cb` on any IDs that + * should would receive a `mouseEnter` or `mouseLeave` event. + * + * Does not invoke the callback on the nearest common ancestor because nothing + * "entered" or "left" that element. */ -var registrationNameModules = {}; +function traverseEnterLeave(from, to, fn, argFrom, argTo) { + var common = from && to ? getLowestCommonAncestor(from, to) : null; + var pathFrom = []; + while (true) { + if (!from) { + break; + } + if (from === common) { + break; + } + var alternate = from.alternate; + if (alternate !== null && alternate === common) { + break; + } + pathFrom.push(from); + from = getParent(from); + } + var pathTo = []; + while (true) { + if (!to) { + break; + } + if (to === common) { + break; + } + var _alternate = to.alternate; + if (_alternate !== null && _alternate === common) { + break; + } + pathTo.push(to); + to = getParent(to); + } + for (var i = 0; i < pathFrom.length; i++) { + fn(pathFrom[i], 'bubbled', argFrom); + } + for (var _i = pathTo.length; _i-- > 0;) { + fn(pathTo[_i], 'captured', argTo); + } +} /** - * Mapping from registration name to event name + * Some event types have a notion of different registration names for different + * "phases" of propagation. This finds listeners by a given phase. */ -var registrationNameDependencies = {}; +function listenerAtPhase(inst, event, propagationPhase) { + var registrationName = event.dispatchConfig.phasedRegistrationNames[propagationPhase]; + return getListener(inst, registrationName); +} /** - * Mapping from lowercase registration names to the properly cased version, - * used to warn in the case of missing event handlers. Available - * only in true. - * @type {Object} + * A small set of propagation patterns, each of which will accept a small amount + * of information, and generate a set of "dispatch ready event objects" - which + * are sets of events that have already been annotated with a set of dispatched + * listener functions/ids. The API is designed this way to discourage these + * propagation strategies from actually executing the dispatches, since we + * always want to collect the entire set of dispatches before executing even a + * single one. */ -var possibleRegistrationNames = {}; -// Trust the developer to only use possibleRegistrationNames in true /** - * Injects an ordering of plugins (by plugin name). This allows the ordering - * to be decoupled from injection of the actual plugins so that ordering is - * always deterministic regardless of packaging, on-the-fly injection, etc. - * - * @param {array} InjectedEventPluginOrder - * @internal - * @see {EventPluginHub.injection.injectEventPluginOrder} + * Tags a `SyntheticEvent` with dispatched listeners. Creating this function + * here, allows us to not have to bind or create functions for each event. + * Mutating the event's members allows us to not have to create a wrapping + * "dispatch" object that pairs the event with the listener. */ -function injectEventPluginOrder(injectedEventPluginOrder) { - !!eventPluginOrder ? invariant(false, 'EventPluginRegistry: Cannot inject event plugin ordering more than once. You are likely trying to load more than one copy of React.') : void 0; - // Clone the ordering so it cannot be dynamically mutated. - eventPluginOrder = Array.prototype.slice.call(injectedEventPluginOrder); - recomputePluginOrdering(); +function accumulateDirectionalDispatches(inst, phase, event) { + { + !inst ? warningWithoutStack$1(false, 'Dispatching inst must not be null') : void 0; + } + var listener = listenerAtPhase(inst, event, phase); + if (listener) { + event._dispatchListeners = accumulateInto(event._dispatchListeners, listener); + event._dispatchInstances = accumulateInto(event._dispatchInstances, inst); + } } /** - * Injects plugins to be used by `EventPluginHub`. The plugin names must be - * in the ordering injected by `injectEventPluginOrder`. - * - * Plugins can be injected as part of page initialization or on-the-fly. - * - * @param {object} injectedNamesToPlugins Map from names to plugin modules. - * @internal - * @see {EventPluginHub.injection.injectEventPluginsByName} + * Collect dispatches (must be entirely collected before dispatching - see unit + * tests). Lazily allocate the array to conserve memory. We must loop through + * each event and perform the traversal for each one. We cannot perform a + * single traversal for the entire collection of events because each event may + * have a different target. */ -function injectEventPluginsByName(injectedNamesToPlugins) { - var isOrderingDirty = false; - for (var pluginName in injectedNamesToPlugins) { - if (!injectedNamesToPlugins.hasOwnProperty(pluginName)) { - continue; - } - var pluginModule = injectedNamesToPlugins[pluginName]; - if (!namesToPlugins.hasOwnProperty(pluginName) || namesToPlugins[pluginName] !== pluginModule) { - !!namesToPlugins[pluginName] ? invariant(false, 'EventPluginRegistry: Cannot inject two different event plugins using the same name, `%s`.', pluginName) : void 0; - namesToPlugins[pluginName] = pluginModule; - isOrderingDirty = true; - } +function accumulateTwoPhaseDispatchesSingle(event) { + if (event && event.dispatchConfig.phasedRegistrationNames) { + traverseTwoPhase(event._targetInst, accumulateDirectionalDispatches, event); } - if (isOrderingDirty) { - recomputePluginOrdering(); +} + +/** + * Accumulates without regard to direction, does not look for phased + * registration names. Same as `accumulateDirectDispatchesSingle` but without + * requiring that the `dispatchMarker` be the same as the dispatched ID. + */ +function accumulateDispatches(inst, ignoredDirection, event) { + if (inst && event && event.dispatchConfig.registrationName) { + var registrationName = event.dispatchConfig.registrationName; + var listener = getListener(inst, registrationName); + if (listener) { + event._dispatchListeners = accumulateInto(event._dispatchListeners, listener); + event._dispatchInstances = accumulateInto(event._dispatchInstances, inst); + } } } -var EventPluginRegistry = Object.freeze({ - plugins: plugins, - eventNameDispatchConfigs: eventNameDispatchConfigs, - registrationNameModules: registrationNameModules, - registrationNameDependencies: registrationNameDependencies, - possibleRegistrationNames: possibleRegistrationNames, - injectEventPluginOrder: injectEventPluginOrder, - injectEventPluginsByName: injectEventPluginsByName -}); +/** + * Accumulates dispatches on an `SyntheticEvent`, but only for the + * `dispatchMarker`. + * @param {SyntheticEvent} event + */ +function accumulateDirectDispatchesSingle(event) { + if (event && event.dispatchConfig.registrationName) { + accumulateDispatches(event._targetInst, null, event); + } +} -var getFiberCurrentPropsFromNode = null; -var getInstanceFromNode = null; -var getNodeFromInstance = null; +function accumulateTwoPhaseDispatches(events) { + forEachAccumulated(events, accumulateTwoPhaseDispatchesSingle); +} -var injection$2 = { - injectComponentTree: function (Injected) { - getFiberCurrentPropsFromNode = Injected.getFiberCurrentPropsFromNode; - getInstanceFromNode = Injected.getInstanceFromNode; - getNodeFromInstance = Injected.getNodeFromInstance; - { - warning(getNodeFromInstance && getInstanceFromNode, 'EventPluginUtils.injection.injectComponentTree(...): Injected ' + 'module is missing getNodeFromInstance or getInstanceFromNode.'); - } - } -}; +function accumulateEnterLeaveDispatches(leave, enter, from, to) { + traverseEnterLeave(from, to, accumulateDispatches, leave, enter); +} +function accumulateDirectDispatches(events) { + forEachAccumulated(events, accumulateDirectDispatchesSingle); +} +var canUseDOM = !!(typeof window !== 'undefined' && window.document && window.document.createElement); +// Do not uses the below two methods directly! +// Instead use constants exported from DOMTopLevelEventTypes in ReactDOM. +// (It is the only module that is allowed to access these methods.) +function unsafeCastStringToDOMTopLevelType(topLevelType) { + return topLevelType; +} -var validateEventDispatches; -{ - validateEventDispatches = function (event) { - var dispatchListeners = event._dispatchListeners; - var dispatchInstances = event._dispatchInstances; +function unsafeCastDOMTopLevelTypeToString(topLevelType) { + return topLevelType; +} - var listenersIsArr = Array.isArray(dispatchListeners); - var listenersLen = listenersIsArr ? dispatchListeners.length : dispatchListeners ? 1 : 0; +/** + * Generate a mapping of standard vendor prefixes using the defined style property and event name. + * + * @param {string} styleProp + * @param {string} eventName + * @returns {object} + */ +function makePrefixMap(styleProp, eventName) { + var prefixes = {}; - var instancesIsArr = Array.isArray(dispatchInstances); - var instancesLen = instancesIsArr ? dispatchInstances.length : dispatchInstances ? 1 : 0; + prefixes[styleProp.toLowerCase()] = eventName.toLowerCase(); + prefixes['Webkit' + styleProp] = 'webkit' + eventName; + prefixes['Moz' + styleProp] = 'moz' + eventName; - warning(instancesIsArr === listenersIsArr && instancesLen === listenersLen, 'EventPluginUtils: Invalid `event`.'); - }; + return prefixes; } /** - * Dispatch the event to the listener. - * @param {SyntheticEvent} event SyntheticEvent to handle - * @param {boolean} simulated If the event is simulated (changes exn behavior) - * @param {function} listener Application-level callback - * @param {*} inst Internal component instance + * A list of event names to a configurable list of vendor prefixes. */ -function executeDispatch(event, simulated, listener, inst) { - var type = event.type || 'unknown-event'; - event.currentTarget = getNodeFromInstance(inst); - ReactErrorUtils.invokeGuardedCallbackAndCatchFirstError(type, listener, undefined, event); - event.currentTarget = null; -} +var vendorPrefixes = { + animationend: makePrefixMap('Animation', 'AnimationEnd'), + animationiteration: makePrefixMap('Animation', 'AnimationIteration'), + animationstart: makePrefixMap('Animation', 'AnimationStart'), + transitionend: makePrefixMap('Transition', 'TransitionEnd') +}; /** - * Standard/simple iteration through an event's collected dispatches. + * Event names that have already been detected and prefixed (if applicable). */ -function executeDispatchesInOrder(event, simulated) { - var dispatchListeners = event._dispatchListeners; - var dispatchInstances = event._dispatchInstances; - { - validateEventDispatches(event); - } - if (Array.isArray(dispatchListeners)) { - for (var i = 0; i < dispatchListeners.length; i++) { - if (event.isPropagationStopped()) { - break; - } - // Listeners and Instances are two parallel arrays that are always in sync. - executeDispatch(event, simulated, dispatchListeners[i], dispatchInstances[i]); - } - } else if (dispatchListeners) { - executeDispatch(event, simulated, dispatchListeners, dispatchInstances); - } - event._dispatchListeners = null; - event._dispatchInstances = null; -} +var prefixedEventNames = {}; /** - * @see executeDispatchesInOrderStopAtTrueImpl + * Element to check for prefixes on. */ +var style = {}; + +/** + * Bootstrap if a DOM exists. + */ +if (canUseDOM) { + style = document.createElement('div').style; + + // On some platforms, in particular some releases of Android 4.x, + // the un-prefixed "animation" and "transition" properties are defined on the + // style object but the events that fire will still be prefixed, so we need + // to check if the un-prefixed events are usable, and if not remove them from the map. + if (!('AnimationEvent' in window)) { + delete vendorPrefixes.animationend.animation; + delete vendorPrefixes.animationiteration.animation; + delete vendorPrefixes.animationstart.animation; + } + // Same as above + if (!('TransitionEvent' in window)) { + delete vendorPrefixes.transitionend.transition; + } +} /** - * Execution of a "direct" dispatch - there must be at most one dispatch - * accumulated on the event or it is considered an error. It doesn't really make - * sense for an event with multiple dispatches (bubbled) to keep track of the - * return values at each dispatch execution, but it does tend to make sense when - * dealing with "direct" dispatches. + * Attempts to determine the correct vendor prefixed event name. * - * @return {*} The return value of executing the single dispatch. + * @param {string} eventName + * @returns {string} */ +function getVendorPrefixedEventName(eventName) { + if (prefixedEventNames[eventName]) { + return prefixedEventNames[eventName]; + } else if (!vendorPrefixes[eventName]) { + return eventName; + } + + var prefixMap = vendorPrefixes[eventName]; + + for (var styleProp in prefixMap) { + if (prefixMap.hasOwnProperty(styleProp) && styleProp in style) { + return prefixedEventNames[eventName] = prefixMap[styleProp]; + } + } + return eventName; +} /** - * @param {SyntheticEvent} event - * @return {boolean} True iff number of dispatches accumulated is greater than 0. + * To identify top level events in ReactDOM, we use constants defined by this + * module. This is the only module that uses the unsafe* methods to express + * that the constants actually correspond to the browser event names. This lets + * us save some bundle size by avoiding a top level type -> event name map. + * The rest of ReactDOM code should import top level types from this file. */ +var TOP_ABORT = unsafeCastStringToDOMTopLevelType('abort'); +var TOP_ANIMATION_END = unsafeCastStringToDOMTopLevelType(getVendorPrefixedEventName('animationend')); +var TOP_ANIMATION_ITERATION = unsafeCastStringToDOMTopLevelType(getVendorPrefixedEventName('animationiteration')); +var TOP_ANIMATION_START = unsafeCastStringToDOMTopLevelType(getVendorPrefixedEventName('animationstart')); +var TOP_BLUR = unsafeCastStringToDOMTopLevelType('blur'); +var TOP_CAN_PLAY = unsafeCastStringToDOMTopLevelType('canplay'); +var TOP_CAN_PLAY_THROUGH = unsafeCastStringToDOMTopLevelType('canplaythrough'); +var TOP_CANCEL = unsafeCastStringToDOMTopLevelType('cancel'); +var TOP_CHANGE = unsafeCastStringToDOMTopLevelType('change'); +var TOP_CLICK = unsafeCastStringToDOMTopLevelType('click'); +var TOP_CLOSE = unsafeCastStringToDOMTopLevelType('close'); +var TOP_COMPOSITION_END = unsafeCastStringToDOMTopLevelType('compositionend'); +var TOP_COMPOSITION_START = unsafeCastStringToDOMTopLevelType('compositionstart'); +var TOP_COMPOSITION_UPDATE = unsafeCastStringToDOMTopLevelType('compositionupdate'); +var TOP_CONTEXT_MENU = unsafeCastStringToDOMTopLevelType('contextmenu'); +var TOP_COPY = unsafeCastStringToDOMTopLevelType('copy'); +var TOP_CUT = unsafeCastStringToDOMTopLevelType('cut'); +var TOP_DOUBLE_CLICK = unsafeCastStringToDOMTopLevelType('dblclick'); +var TOP_AUX_CLICK = unsafeCastStringToDOMTopLevelType('auxclick'); +var TOP_DRAG = unsafeCastStringToDOMTopLevelType('drag'); +var TOP_DRAG_END = unsafeCastStringToDOMTopLevelType('dragend'); +var TOP_DRAG_ENTER = unsafeCastStringToDOMTopLevelType('dragenter'); +var TOP_DRAG_EXIT = unsafeCastStringToDOMTopLevelType('dragexit'); +var TOP_DRAG_LEAVE = unsafeCastStringToDOMTopLevelType('dragleave'); +var TOP_DRAG_OVER = unsafeCastStringToDOMTopLevelType('dragover'); +var TOP_DRAG_START = unsafeCastStringToDOMTopLevelType('dragstart'); +var TOP_DROP = unsafeCastStringToDOMTopLevelType('drop'); +var TOP_DURATION_CHANGE = unsafeCastStringToDOMTopLevelType('durationchange'); +var TOP_EMPTIED = unsafeCastStringToDOMTopLevelType('emptied'); +var TOP_ENCRYPTED = unsafeCastStringToDOMTopLevelType('encrypted'); +var TOP_ENDED = unsafeCastStringToDOMTopLevelType('ended'); +var TOP_ERROR = unsafeCastStringToDOMTopLevelType('error'); +var TOP_FOCUS = unsafeCastStringToDOMTopLevelType('focus'); +var TOP_GOT_POINTER_CAPTURE = unsafeCastStringToDOMTopLevelType('gotpointercapture'); +var TOP_INPUT = unsafeCastStringToDOMTopLevelType('input'); +var TOP_INVALID = unsafeCastStringToDOMTopLevelType('invalid'); +var TOP_KEY_DOWN = unsafeCastStringToDOMTopLevelType('keydown'); +var TOP_KEY_PRESS = unsafeCastStringToDOMTopLevelType('keypress'); +var TOP_KEY_UP = unsafeCastStringToDOMTopLevelType('keyup'); +var TOP_LOAD = unsafeCastStringToDOMTopLevelType('load'); +var TOP_LOAD_START = unsafeCastStringToDOMTopLevelType('loadstart'); +var TOP_LOADED_DATA = unsafeCastStringToDOMTopLevelType('loadeddata'); +var TOP_LOADED_METADATA = unsafeCastStringToDOMTopLevelType('loadedmetadata'); +var TOP_LOST_POINTER_CAPTURE = unsafeCastStringToDOMTopLevelType('lostpointercapture'); +var TOP_MOUSE_DOWN = unsafeCastStringToDOMTopLevelType('mousedown'); +var TOP_MOUSE_MOVE = unsafeCastStringToDOMTopLevelType('mousemove'); +var TOP_MOUSE_OUT = unsafeCastStringToDOMTopLevelType('mouseout'); +var TOP_MOUSE_OVER = unsafeCastStringToDOMTopLevelType('mouseover'); +var TOP_MOUSE_UP = unsafeCastStringToDOMTopLevelType('mouseup'); +var TOP_PASTE = unsafeCastStringToDOMTopLevelType('paste'); +var TOP_PAUSE = unsafeCastStringToDOMTopLevelType('pause'); +var TOP_PLAY = unsafeCastStringToDOMTopLevelType('play'); +var TOP_PLAYING = unsafeCastStringToDOMTopLevelType('playing'); +var TOP_POINTER_CANCEL = unsafeCastStringToDOMTopLevelType('pointercancel'); +var TOP_POINTER_DOWN = unsafeCastStringToDOMTopLevelType('pointerdown'); + + +var TOP_POINTER_MOVE = unsafeCastStringToDOMTopLevelType('pointermove'); +var TOP_POINTER_OUT = unsafeCastStringToDOMTopLevelType('pointerout'); +var TOP_POINTER_OVER = unsafeCastStringToDOMTopLevelType('pointerover'); +var TOP_POINTER_UP = unsafeCastStringToDOMTopLevelType('pointerup'); +var TOP_PROGRESS = unsafeCastStringToDOMTopLevelType('progress'); +var TOP_RATE_CHANGE = unsafeCastStringToDOMTopLevelType('ratechange'); +var TOP_RESET = unsafeCastStringToDOMTopLevelType('reset'); +var TOP_SCROLL = unsafeCastStringToDOMTopLevelType('scroll'); +var TOP_SEEKED = unsafeCastStringToDOMTopLevelType('seeked'); +var TOP_SEEKING = unsafeCastStringToDOMTopLevelType('seeking'); +var TOP_SELECTION_CHANGE = unsafeCastStringToDOMTopLevelType('selectionchange'); +var TOP_STALLED = unsafeCastStringToDOMTopLevelType('stalled'); +var TOP_SUBMIT = unsafeCastStringToDOMTopLevelType('submit'); +var TOP_SUSPEND = unsafeCastStringToDOMTopLevelType('suspend'); +var TOP_TEXT_INPUT = unsafeCastStringToDOMTopLevelType('textInput'); +var TOP_TIME_UPDATE = unsafeCastStringToDOMTopLevelType('timeupdate'); +var TOP_TOGGLE = unsafeCastStringToDOMTopLevelType('toggle'); +var TOP_TOUCH_CANCEL = unsafeCastStringToDOMTopLevelType('touchcancel'); +var TOP_TOUCH_END = unsafeCastStringToDOMTopLevelType('touchend'); +var TOP_TOUCH_MOVE = unsafeCastStringToDOMTopLevelType('touchmove'); +var TOP_TOUCH_START = unsafeCastStringToDOMTopLevelType('touchstart'); +var TOP_TRANSITION_END = unsafeCastStringToDOMTopLevelType(getVendorPrefixedEventName('transitionend')); +var TOP_VOLUME_CHANGE = unsafeCastStringToDOMTopLevelType('volumechange'); +var TOP_WAITING = unsafeCastStringToDOMTopLevelType('waiting'); +var TOP_WHEEL = unsafeCastStringToDOMTopLevelType('wheel'); + +// List of events that need to be individually attached to media elements. +// Note that events in this list will *not* be listened to at the top level +// unless they're explicitly whitelisted in `ReactBrowserEventEmitter.listenTo`. +var mediaEventTypes = [TOP_ABORT, TOP_CAN_PLAY, TOP_CAN_PLAY_THROUGH, TOP_DURATION_CHANGE, TOP_EMPTIED, TOP_ENCRYPTED, TOP_ENDED, TOP_ERROR, TOP_LOADED_DATA, TOP_LOADED_METADATA, TOP_LOAD_START, TOP_PAUSE, TOP_PLAY, TOP_PLAYING, TOP_PROGRESS, TOP_RATE_CHANGE, TOP_SEEKED, TOP_SEEKING, TOP_STALLED, TOP_SUSPEND, TOP_TIME_UPDATE, TOP_VOLUME_CHANGE, TOP_WAITING]; + +function getRawEventName(topLevelType) { + return unsafeCastDOMTopLevelTypeToString(topLevelType); +} /** - * Accumulates items that must not be null or undefined into the first one. This - * is used to conserve memory by avoiding array allocations, and thus sacrifices - * API cleanness. Since `current` can be null before being passed in and not - * null after this function, make sure to assign it back to `current`: + * These variables store information about text content of a target node, + * allowing comparison of content before and after a given event. * - * `a = accumulateInto(a, b);` + * Identify the node where selection currently begins, then observe + * both its text content and its current position in the DOM. Since the + * browser may natively replace the target node during composition, we can + * use its position to find its replacement. * - * This API should be sparingly used. Try `accumulate` for something cleaner. * - * @return {*|array<*>} An accumulation of items. */ -function accumulateInto(current, next) { - !(next != null) ? invariant(false, 'accumulateInto(...): Accumulated items must not be null or undefined.') : void 0; +var root = null; +var startText = null; +var fallbackText = null; - if (current == null) { - return next; +function initialize(nativeEventTarget) { + root = nativeEventTarget; + startText = getText(); + return true; +} + +function reset() { + root = null; + startText = null; + fallbackText = null; +} + +function getData() { + if (fallbackText) { + return fallbackText; } - // Both are not empty. Warning: Never call x.concat(y) when you are not - // certain that x is an Array (x could be a string with concat method). - if (Array.isArray(current)) { - if (Array.isArray(next)) { - current.push.apply(current, next); - return current; + var start = void 0; + var startValue = startText; + var startLength = startValue.length; + var end = void 0; + var endValue = getText(); + var endLength = endValue.length; + + for (start = 0; start < startLength; start++) { + if (startValue[start] !== endValue[start]) { + break; } - current.push(next); - return current; } - if (Array.isArray(next)) { - // A bit too dangerous to mutate `next`. - return [current].concat(next); + var minEnd = startLength - start; + for (end = 1; end <= minEnd; end++) { + if (startValue[startLength - end] !== endValue[endLength - end]) { + break; + } } - return [current, next]; + var sliceTail = end > 1 ? 1 - end : undefined; + fallbackText = endValue.slice(start, sliceTail); + return fallbackText; } -/** - * @param {array} arr an "accumulation" of items which is either an Array or - * a single item. Useful when paired with the `accumulate` module. This is a - * simple utility that allows us to reason about a collection of items, but - * handling the case when there is exactly one item (and we do not need to - * allocate an array). - * @param {function} cb Callback invoked with each element or a collection. - * @param {?} [scope] Scope used as `this` in a callback. - */ -function forEachAccumulated(arr, cb, scope) { - if (Array.isArray(arr)) { - arr.forEach(cb, scope); - } else if (arr) { - cb.call(scope, arr); +function getText() { + if ('value' in root) { + return root.value; } + return root.textContent; } -/** - * Internal queue of events that have accumulated their dispatches and are - * waiting to have their dispatches executed. - */ -var eventQueue = null; +/* eslint valid-typeof: 0 */ + +var EVENT_POOL_SIZE = 10; /** - * Dispatches an event and releases it back into the pool, unless persistent. - * - * @param {?object} event Synthetic event to be dispatched. - * @param {boolean} simulated If the event is simulated (changes exn behavior) - * @private + * @interface Event + * @see http://www.w3.org/TR/DOM-Level-3-Events/ */ -var executeDispatchesAndRelease = function (event, simulated) { - if (event) { - executeDispatchesInOrder(event, simulated); - - if (!event.isPersistent()) { - event.constructor.release(event); - } - } -}; -var executeDispatchesAndReleaseSimulated = function (e) { - return executeDispatchesAndRelease(e, true); -}; -var executeDispatchesAndReleaseTopLevel = function (e) { - return executeDispatchesAndRelease(e, false); -}; +var EventInterface = { + type: null, + target: null, + // currentTarget is set when dispatching; no use in copying it here + currentTarget: function () { + return null; + }, + eventPhase: null, + bubbles: null, + cancelable: null, + timeStamp: function (event) { + return event.timeStamp || Date.now(); + }, + defaultPrevented: null, + isTrusted: null +}; -function isInteractive(tag) { - return tag === 'button' || tag === 'input' || tag === 'select' || tag === 'textarea'; +function functionThatReturnsTrue() { + return true; } -function shouldPreventMouseEvent(name, type, props) { - switch (name) { - case 'onClick': - case 'onClickCapture': - case 'onDoubleClick': - case 'onDoubleClickCapture': - case 'onMouseDown': - case 'onMouseDownCapture': - case 'onMouseMove': - case 'onMouseMoveCapture': - case 'onMouseUp': - case 'onMouseUpCapture': - return !!(props.disabled && isInteractive(type)); - default: - return false; - } +function functionThatReturnsFalse() { + return false; } /** - * This is a unified interface for event plugins to be installed and configured. - * - * Event plugins can implement the following properties: - * - * `extractEvents` {function(string, DOMEventTarget, string, object): *} - * Required. When a top-level event is fired, this method is expected to - * extract synthetic events that will in turn be queued and dispatched. - * - * `eventTypes` {object} - * Optional, plugins that fire events must publish a mapping of registration - * names that are used to register listeners. Values of this mapping must - * be objects that contain `registrationName` or `phasedRegistrationNames`. + * Synthetic events are dispatched by event plugins, typically in response to a + * top-level event delegation handler. * - * `executeDispatch` {function(object, function, string)} - * Optional, allows plugins to override how an event gets dispatched. By - * default, the listener is simply invoked. + * These systems should generally use pooling to reduce the frequency of garbage + * collection. The system should check `isPersistent` to determine whether the + * event should be released into the pool after being dispatched. Users that + * need a persisted event should invoke `persist`. * - * Each plugin that is injected into `EventsPluginHub` is immediately operable. + * Synthetic events (and subclasses) implement the DOM Level 3 Events API by + * normalizing browser quirks. Subclasses do not necessarily have to implement a + * DOM interface; custom application-specific events can also subclass this. * - * @public + * @param {object} dispatchConfig Configuration used to dispatch this event. + * @param {*} targetInst Marker identifying the event target. + * @param {object} nativeEvent Native browser event. + * @param {DOMEventTarget} nativeEventTarget Target node. */ +function SyntheticEvent(dispatchConfig, targetInst, nativeEvent, nativeEventTarget) { + { + // these have a getter/setter for warnings + delete this.nativeEvent; + delete this.preventDefault; + delete this.stopPropagation; + delete this.isDefaultPrevented; + delete this.isPropagationStopped; + } + + this.dispatchConfig = dispatchConfig; + this._targetInst = targetInst; + this.nativeEvent = nativeEvent; + + var Interface = this.constructor.Interface; + for (var propName in Interface) { + if (!Interface.hasOwnProperty(propName)) { + continue; + } + { + delete this[propName]; // this has a getter/setter for warnings + } + var normalize = Interface[propName]; + if (normalize) { + this[propName] = normalize(nativeEvent); + } else { + if (propName === 'target') { + this.target = nativeEventTarget; + } else { + this[propName] = nativeEvent[propName]; + } + } + } + + var defaultPrevented = nativeEvent.defaultPrevented != null ? nativeEvent.defaultPrevented : nativeEvent.returnValue === false; + if (defaultPrevented) { + this.isDefaultPrevented = functionThatReturnsTrue; + } else { + this.isDefaultPrevented = functionThatReturnsFalse; + } + this.isPropagationStopped = functionThatReturnsFalse; + return this; +} + +_assign(SyntheticEvent.prototype, { + preventDefault: function () { + this.defaultPrevented = true; + var event = this.nativeEvent; + if (!event) { + return; + } + + if (event.preventDefault) { + event.preventDefault(); + } else if (typeof event.returnValue !== 'unknown') { + event.returnValue = false; + } + this.isDefaultPrevented = functionThatReturnsTrue; + }, + + stopPropagation: function () { + var event = this.nativeEvent; + if (!event) { + return; + } + + if (event.stopPropagation) { + event.stopPropagation(); + } else if (typeof event.cancelBubble !== 'unknown') { + // The ChangeEventPlugin registers a "propertychange" event for + // IE. This event does not support bubbling or cancelling, and + // any references to cancelBubble throw "Member not found". A + // typeof check of "unknown" circumvents this issue (and is also + // IE specific). + event.cancelBubble = true; + } + + this.isPropagationStopped = functionThatReturnsTrue; + }, -/** - * Methods for injecting dependencies. - */ -var injection$1 = { /** - * @param {array} InjectedEventPluginOrder - * @public + * We release all dispatched `SyntheticEvent`s after each event loop, adding + * them back into the pool. This allows a way to hold onto a reference that + * won't be added back into the pool. */ - injectEventPluginOrder: injectEventPluginOrder, + persist: function () { + this.isPersistent = functionThatReturnsTrue; + }, /** - * @param {object} injectedNamesToPlugins Map from names to plugin modules. + * Checks if this event should be released back into the pool. + * + * @return {boolean} True if this should not be released, false otherwise. */ - injectEventPluginsByName: injectEventPluginsByName -}; - -/** - * @param {object} inst The instance, which is the source of events. - * @param {string} registrationName Name of listener (e.g. `onClick`). - * @return {?function} The stored callback. - */ -function getListener(inst, registrationName) { - var listener; - - // TODO: shouldPreventMouseEvent is DOM-specific and definitely should not - // live here; needs to be moved to a better place soon - var stateNode = inst.stateNode; - if (!stateNode) { - // Work in progress (ex: onload events in incremental mode). - return null; - } - var props = getFiberCurrentPropsFromNode(stateNode); - if (!props) { - // Work in progress. - return null; - } - listener = props[registrationName]; - if (shouldPreventMouseEvent(registrationName, inst.type, props)) { - return null; - } - !(!listener || typeof listener === 'function') ? invariant(false, 'Expected `%s` listener to be a function, instead got a value of `%s` type.', registrationName, typeof listener) : void 0; - return listener; -} + isPersistent: functionThatReturnsFalse, -/** - * Allows registered plugins an opportunity to extract events from top-level - * native browser events. - * - * @return {*} An accumulation of synthetic events. - * @internal - */ -function extractEvents(topLevelType, targetInst, nativeEvent, nativeEventTarget) { - var events; - for (var i = 0; i < plugins.length; i++) { - // Not every plugin in the ordering may be loaded at runtime. - var possiblePlugin = plugins[i]; - if (possiblePlugin) { - var extractedEvents = possiblePlugin.extractEvents(topLevelType, targetInst, nativeEvent, nativeEventTarget); - if (extractedEvents) { - events = accumulateInto(events, extractedEvents); + /** + * `PooledClass` looks for `destructor` on each instance it releases. + */ + destructor: function () { + var Interface = this.constructor.Interface; + for (var propName in Interface) { + { + Object.defineProperty(this, propName, getPooledWarningPropertyDefinition(propName, Interface[propName])); } } + this.dispatchConfig = null; + this._targetInst = null; + this.nativeEvent = null; + this.isDefaultPrevented = functionThatReturnsFalse; + this.isPropagationStopped = functionThatReturnsFalse; + this._dispatchListeners = null; + this._dispatchInstances = null; + { + Object.defineProperty(this, 'nativeEvent', getPooledWarningPropertyDefinition('nativeEvent', null)); + Object.defineProperty(this, 'isDefaultPrevented', getPooledWarningPropertyDefinition('isDefaultPrevented', functionThatReturnsFalse)); + Object.defineProperty(this, 'isPropagationStopped', getPooledWarningPropertyDefinition('isPropagationStopped', functionThatReturnsFalse)); + Object.defineProperty(this, 'preventDefault', getPooledWarningPropertyDefinition('preventDefault', function () {})); + Object.defineProperty(this, 'stopPropagation', getPooledWarningPropertyDefinition('stopPropagation', function () {})); + } } - return events; -} +}); -/** - * Enqueues a synthetic event that should be dispatched when - * `processEventQueue` is invoked. - * - * @param {*} events An accumulation of synthetic events. - * @internal - */ -function enqueueEvents(events) { - if (events) { - eventQueue = accumulateInto(eventQueue, events); - } -} +SyntheticEvent.Interface = EventInterface; /** - * Dispatches all synthetic events on the event queue. - * - * @internal + * Helper to reduce boilerplate when creating subclasses. */ -function processEventQueue(simulated) { - // Set `eventQueue` to null before processing it so that we can tell if more - // events get enqueued while processing. - var processingEventQueue = eventQueue; - eventQueue = null; +SyntheticEvent.extend = function (Interface) { + var Super = this; - if (!processingEventQueue) { - return; - } + var E = function () {}; + E.prototype = Super.prototype; + var prototype = new E(); - if (simulated) { - forEachAccumulated(processingEventQueue, executeDispatchesAndReleaseSimulated); - } else { - forEachAccumulated(processingEventQueue, executeDispatchesAndReleaseTopLevel); + function Class() { + return Super.apply(this, arguments); } - !!eventQueue ? invariant(false, 'processEventQueue(): Additional events were enqueued while processing an event queue. Support for this has not yet been implemented.') : void 0; - // This would be a good time to rethrow if any of the event handlers threw. - ReactErrorUtils.rethrowCaughtError(); -} - -var EventPluginHub = Object.freeze({ - injection: injection$1, - getListener: getListener, - extractEvents: extractEvents, - enqueueEvents: enqueueEvents, - processEventQueue: processEventQueue -}); + _assign(prototype, Class.prototype); + Class.prototype = prototype; + Class.prototype.constructor = Class; -var IndeterminateComponent = 0; // Before we know whether it is functional or class -var FunctionalComponent = 1; -var ClassComponent = 2; -var HostRoot = 3; // Root of a host tree. Could be nested inside another node. -var HostPortal = 4; // A subtree. Could be an entry point to a different renderer. -var HostComponent = 5; -var HostText = 6; -var CallComponent = 7; -var CallHandlerPhase = 8; -var ReturnComponent = 9; -var Fragment = 10; + Class.Interface = _assign({}, Super.Interface, Interface); + Class.extend = Super.extend; + addEventPoolingTo(Class); -var randomKey = Math.random().toString(36).slice(2); -var internalInstanceKey = '__reactInternalInstance$' + randomKey; -var internalEventHandlersKey = '__reactEventHandlers$' + randomKey; + return Class; +}; -function precacheFiberNode$1(hostInst, node) { - node[internalInstanceKey] = hostInst; -} +addEventPoolingTo(SyntheticEvent); /** - * Given a DOM node, return the closest ReactDOMComponent or - * ReactDOMTextComponent instance ancestor. + * Helper to nullify syntheticEvent instance properties when destructing + * + * @param {String} propName + * @param {?object} getVal + * @return {object} defineProperty object */ -function getClosestInstanceFromNode(node) { - if (node[internalInstanceKey]) { - return node[internalInstanceKey]; +function getPooledWarningPropertyDefinition(propName, getVal) { + var isFunction = typeof getVal === 'function'; + return { + configurable: true, + set: set, + get: get + }; + + function set(val) { + var action = isFunction ? 'setting the method' : 'setting the property'; + warn(action, 'This is effectively a no-op'); + return val; } - // Walk up the tree until we find an ancestor whose instance we have cached. - var parents = []; - while (!node[internalInstanceKey]) { - parents.push(node); - if (node.parentNode) { - node = node.parentNode; - } else { - // Top of the tree. This node must not be part of a React tree (or is - // unmounted, potentially). - return null; - } + function get() { + var action = isFunction ? 'accessing the method' : 'accessing the property'; + var result = isFunction ? 'This is a no-op function' : 'This is set to null'; + warn(action, result); + return getVal; } - var closest = void 0; - var inst = node[internalInstanceKey]; - if (inst.tag === HostComponent || inst.tag === HostText) { - // In Fiber, this will always be the deepest root. - return inst; + function warn(action, result) { + var warningCondition = false; + !warningCondition ? warningWithoutStack$1(false, "This synthetic event is reused for performance reasons. If you're seeing this, " + "you're %s `%s` on a released/nullified synthetic event. %s. " + 'If you must keep the original synthetic event around, use event.persist(). ' + 'See https://fb.me/react-event-pooling for more information.', action, propName, result) : void 0; + } +} + +function getPooledEvent(dispatchConfig, targetInst, nativeEvent, nativeInst) { + var EventConstructor = this; + if (EventConstructor.eventPool.length) { + var instance = EventConstructor.eventPool.pop(); + EventConstructor.call(instance, dispatchConfig, targetInst, nativeEvent, nativeInst); + return instance; } - for (; node && (inst = node[internalInstanceKey]); node = parents.pop()) { - closest = inst; + return new EventConstructor(dispatchConfig, targetInst, nativeEvent, nativeInst); +} + +function releasePooledEvent(event) { + var EventConstructor = this; + !(event instanceof EventConstructor) ? invariant(false, 'Trying to release an event instance into a pool of a different type.') : void 0; + event.destructor(); + if (EventConstructor.eventPool.length < EVENT_POOL_SIZE) { + EventConstructor.eventPool.push(event); } +} - return closest; +function addEventPoolingTo(EventConstructor) { + EventConstructor.eventPool = []; + EventConstructor.getPooled = getPooledEvent; + EventConstructor.release = releasePooledEvent; } /** - * Given a DOM node, return the ReactDOMComponent or ReactDOMTextComponent - * instance, or null if the node was not rendered by this React. + * @interface Event + * @see http://www.w3.org/TR/DOM-Level-3-Events/#events-compositionevents */ -function getInstanceFromNode$1(node) { - var inst = node[internalInstanceKey]; - if (inst) { - if (inst.tag === HostComponent || inst.tag === HostText) { - return inst; - } else { - return null; - } - } - return null; -} +var SyntheticCompositionEvent = SyntheticEvent.extend({ + data: null +}); /** - * Given a ReactDOMComponent or ReactDOMTextComponent, return the corresponding - * DOM node. + * @interface Event + * @see http://www.w3.org/TR/2013/WD-DOM-Level-3-Events-20131105 + * /#events-inputevents */ -function getNodeFromInstance$1(inst) { - if (inst.tag === HostComponent || inst.tag === HostText) { - // In Fiber this, is just the state node right now. We assume it will be - // a host component or host text. - return inst.stateNode; - } +var SyntheticInputEvent = SyntheticEvent.extend({ + data: null +}); - // Without this first invariant, passing a non-DOM-component triggers the next - // invariant for a missing parent, which is super confusing. - invariant(false, 'getNodeFromInstance: Invalid argument.'); -} +var END_KEYCODES = [9, 13, 27, 32]; // Tab, Return, Esc, Space +var START_KEYCODE = 229; -function getFiberCurrentPropsFromNode$1(node) { - return node[internalEventHandlersKey] || null; -} +var canUseCompositionEvent = canUseDOM && 'CompositionEvent' in window; -function updateFiberProps$1(node, props) { - node[internalEventHandlersKey] = props; +var documentMode = null; +if (canUseDOM && 'documentMode' in document) { + documentMode = document.documentMode; } -var ReactDOMComponentTree = Object.freeze({ - precacheFiberNode: precacheFiberNode$1, - getClosestInstanceFromNode: getClosestInstanceFromNode, - getInstanceFromNode: getInstanceFromNode$1, - getNodeFromInstance: getNodeFromInstance$1, - getFiberCurrentPropsFromNode: getFiberCurrentPropsFromNode$1, - updateFiberProps: updateFiberProps$1 -}); +// Webkit offers a very useful `textInput` event that can be used to +// directly represent `beforeInput`. The IE `textinput` event is not as +// useful, so we don't use it. +var canUseTextInputEvent = canUseDOM && 'TextEvent' in window && !documentMode; -function getParent(inst) { - do { - inst = inst['return']; - // TODO: If this is a HostRoot we might want to bail out. - // That is depending on if we want nested subtrees (layers) to bubble - // events to their parent. We could also go through parentNode on the - // host node but that wouldn't work for React Native and doesn't let us - // do the portal feature. - } while (inst && inst.tag !== HostComponent); - if (inst) { - return inst; - } - return null; -} +// In IE9+, we have access to composition events, but the data supplied +// by the native compositionend event may be incorrect. Japanese ideographic +// spaces, for instance (\u3000) are not recorded correctly. +var useFallbackCompositionData = canUseDOM && (!canUseCompositionEvent || documentMode && documentMode > 8 && documentMode <= 11); -/** - * Return the lowest common ancestor of A and B, or null if they are in - * different trees. - */ -function getLowestCommonAncestor(instA, instB) { - var depthA = 0; - for (var tempA = instA; tempA; tempA = getParent(tempA)) { - depthA++; - } - var depthB = 0; - for (var tempB = instB; tempB; tempB = getParent(tempB)) { - depthB++; - } +var SPACEBAR_CODE = 32; +var SPACEBAR_CHAR = String.fromCharCode(SPACEBAR_CODE); - // If A is deeper, crawl up. - while (depthA - depthB > 0) { - instA = getParent(instA); - depthA--; +// Events and their corresponding property names. +var eventTypes = { + beforeInput: { + phasedRegistrationNames: { + bubbled: 'onBeforeInput', + captured: 'onBeforeInputCapture' + }, + dependencies: [TOP_COMPOSITION_END, TOP_KEY_PRESS, TOP_TEXT_INPUT, TOP_PASTE] + }, + compositionEnd: { + phasedRegistrationNames: { + bubbled: 'onCompositionEnd', + captured: 'onCompositionEndCapture' + }, + dependencies: [TOP_BLUR, TOP_COMPOSITION_END, TOP_KEY_DOWN, TOP_KEY_PRESS, TOP_KEY_UP, TOP_MOUSE_DOWN] + }, + compositionStart: { + phasedRegistrationNames: { + bubbled: 'onCompositionStart', + captured: 'onCompositionStartCapture' + }, + dependencies: [TOP_BLUR, TOP_COMPOSITION_START, TOP_KEY_DOWN, TOP_KEY_PRESS, TOP_KEY_UP, TOP_MOUSE_DOWN] + }, + compositionUpdate: { + phasedRegistrationNames: { + bubbled: 'onCompositionUpdate', + captured: 'onCompositionUpdateCapture' + }, + dependencies: [TOP_BLUR, TOP_COMPOSITION_UPDATE, TOP_KEY_DOWN, TOP_KEY_PRESS, TOP_KEY_UP, TOP_MOUSE_DOWN] } +}; - // If B is deeper, crawl up. - while (depthB - depthA > 0) { - instB = getParent(instB); - depthB--; - } +// Track whether we've ever handled a keypress on the space key. +var hasSpaceKeypress = false; - // Walk in lockstep until we find a match. - var depth = depthA; - while (depth--) { - if (instA === instB || instA === instB.alternate) { - return instA; - } - instA = getParent(instA); - instB = getParent(instB); - } - return null; +/** + * Return whether a native keypress event is assumed to be a command. + * This is required because Firefox fires `keypress` events for key commands + * (cut, copy, select-all, etc.) even though no character is inserted. + */ +function isKeypressCommand(nativeEvent) { + return (nativeEvent.ctrlKey || nativeEvent.altKey || nativeEvent.metaKey) && + // ctrlKey && altKey is equivalent to AltGr, and is not a command. + !(nativeEvent.ctrlKey && nativeEvent.altKey); } /** - * Return if A is an ancestor of B. + * Translate native top level events into event types. + * + * @param {string} topLevelType + * @return {object} */ - +function getCompositionEventType(topLevelType) { + switch (topLevelType) { + case TOP_COMPOSITION_START: + return eventTypes.compositionStart; + case TOP_COMPOSITION_END: + return eventTypes.compositionEnd; + case TOP_COMPOSITION_UPDATE: + return eventTypes.compositionUpdate; + } +} /** - * Return the parent instance of the passed-in instance. + * Does our fallback best-guess model think this event signifies that + * composition has begun? + * + * @param {string} topLevelType + * @param {object} nativeEvent + * @return {boolean} */ -function getParentInstance(inst) { - return getParent(inst); +function isFallbackCompositionStart(topLevelType, nativeEvent) { + return topLevelType === TOP_KEY_DOWN && nativeEvent.keyCode === START_KEYCODE; } /** - * Simulates the traversal of a two-phase, capture/bubble event dispatch. + * Does our fallback mode think that this event is the end of composition? + * + * @param {string} topLevelType + * @param {object} nativeEvent + * @return {boolean} */ -function traverseTwoPhase(inst, fn, arg) { - var path = []; - while (inst) { - path.push(inst); - inst = getParent(inst); - } - var i; - for (i = path.length; i-- > 0;) { - fn(path[i], 'captured', arg); - } - for (i = 0; i < path.length; i++) { - fn(path[i], 'bubbled', arg); +function isFallbackCompositionEnd(topLevelType, nativeEvent) { + switch (topLevelType) { + case TOP_KEY_UP: + // Command keys insert or clear IME input. + return END_KEYCODES.indexOf(nativeEvent.keyCode) !== -1; + case TOP_KEY_DOWN: + // Expect IME keyCode on each keydown. If we get any other + // code we must have exited earlier. + return nativeEvent.keyCode !== START_KEYCODE; + case TOP_KEY_PRESS: + case TOP_MOUSE_DOWN: + case TOP_BLUR: + // Events are not possible without cancelling IME. + return true; + default: + return false; } } /** - * Traverses the ID hierarchy and invokes the supplied `cb` on any IDs that - * should would receive a `mouseEnter` or `mouseLeave` event. + * Google Input Tools provides composition data via a CustomEvent, + * with the `data` property populated in the `detail` object. If this + * is available on the event object, use it. If not, this is a plain + * composition event and we have nothing special to extract. * - * Does not invoke the callback on the nearest common ancestor because nothing - * "entered" or "left" that element. + * @param {object} nativeEvent + * @return {?string} */ -function traverseEnterLeave(from, to, fn, argFrom, argTo) { - var common = from && to ? getLowestCommonAncestor(from, to) : null; - var pathFrom = []; - while (true) { - if (!from) { - break; - } - if (from === common) { - break; - } - var alternate = from.alternate; - if (alternate !== null && alternate === common) { - break; - } - pathFrom.push(from); - from = getParent(from); - } - var pathTo = []; - while (true) { - if (!to) { - break; - } - if (to === common) { - break; - } - var _alternate = to.alternate; - if (_alternate !== null && _alternate === common) { - break; - } - pathTo.push(to); - to = getParent(to); - } - for (var i = 0; i < pathFrom.length; i++) { - fn(pathFrom[i], 'bubbled', argFrom); - } - for (var _i = pathTo.length; _i-- > 0;) { - fn(pathTo[_i], 'captured', argTo); +function getDataFromCustomEvent(nativeEvent) { + var detail = nativeEvent.detail; + if (typeof detail === 'object' && 'data' in detail) { + return detail.data; } + return null; } /** - * Some event types have a notion of different registration names for different - * "phases" of propagation. This finds listeners by a given phase. + * Check if a composition event was triggered by Korean IME. + * Our fallback mode does not work well with IE's Korean IME, + * so just use native composition events when Korean IME is used. + * Although CompositionEvent.locale property is deprecated, + * it is available in IE, where our fallback mode is enabled. + * + * @param {object} nativeEvent + * @return {boolean} */ -function listenerAtPhase(inst, event, propagationPhase) { - var registrationName = event.dispatchConfig.phasedRegistrationNames[propagationPhase]; - return getListener(inst, registrationName); +function isUsingKoreanIME(nativeEvent) { + return nativeEvent.locale === 'ko'; } -/** - * A small set of propagation patterns, each of which will accept a small amount - * of information, and generate a set of "dispatch ready event objects" - which - * are sets of events that have already been annotated with a set of dispatched - * listener functions/ids. The API is designed this way to discourage these - * propagation strategies from actually executing the dispatches, since we - * always want to collect the entire set of dispatches before executing even a - * single one. - */ +// Track the current IME composition status, if any. +var isComposing = false; /** - * Tags a `SyntheticEvent` with dispatched listeners. Creating this function - * here, allows us to not have to bind or create functions for each event. - * Mutating the event's members allows us to not have to create a wrapping - * "dispatch" object that pairs the event with the listener. + * @return {?object} A SyntheticCompositionEvent. */ -function accumulateDirectionalDispatches(inst, phase, event) { - { - warning(inst, 'Dispatching inst must not be null'); - } - var listener = listenerAtPhase(inst, event, phase); - if (listener) { - event._dispatchListeners = accumulateInto(event._dispatchListeners, listener); - event._dispatchInstances = accumulateInto(event._dispatchInstances, inst); +function extractCompositionEvent(topLevelType, targetInst, nativeEvent, nativeEventTarget) { + var eventType = void 0; + var fallbackData = void 0; + + if (canUseCompositionEvent) { + eventType = getCompositionEventType(topLevelType); + } else if (!isComposing) { + if (isFallbackCompositionStart(topLevelType, nativeEvent)) { + eventType = eventTypes.compositionStart; + } + } else if (isFallbackCompositionEnd(topLevelType, nativeEvent)) { + eventType = eventTypes.compositionEnd; } -} -/** - * Collect dispatches (must be entirely collected before dispatching - see unit - * tests). Lazily allocate the array to conserve memory. We must loop through - * each event and perform the traversal for each one. We cannot perform a - * single traversal for the entire collection of events because each event may - * have a different target. - */ -function accumulateTwoPhaseDispatchesSingle(event) { - if (event && event.dispatchConfig.phasedRegistrationNames) { - traverseTwoPhase(event._targetInst, accumulateDirectionalDispatches, event); + if (!eventType) { + return null; } -} -/** - * Same as `accumulateTwoPhaseDispatchesSingle`, but skips over the targetID. - */ -function accumulateTwoPhaseDispatchesSingleSkipTarget(event) { - if (event && event.dispatchConfig.phasedRegistrationNames) { - var targetInst = event._targetInst; - var parentInst = targetInst ? getParentInstance(targetInst) : null; - traverseTwoPhase(parentInst, accumulateDirectionalDispatches, event); + if (useFallbackCompositionData && !isUsingKoreanIME(nativeEvent)) { + // The current composition is stored statically and must not be + // overwritten while composition continues. + if (!isComposing && eventType === eventTypes.compositionStart) { + isComposing = initialize(nativeEventTarget); + } else if (eventType === eventTypes.compositionEnd) { + if (isComposing) { + fallbackData = getData(); + } + } } -} -/** - * Accumulates without regard to direction, does not look for phased - * registration names. Same as `accumulateDirectDispatchesSingle` but without - * requiring that the `dispatchMarker` be the same as the dispatched ID. - */ -function accumulateDispatches(inst, ignoredDirection, event) { - if (inst && event && event.dispatchConfig.registrationName) { - var registrationName = event.dispatchConfig.registrationName; - var listener = getListener(inst, registrationName); - if (listener) { - event._dispatchListeners = accumulateInto(event._dispatchListeners, listener); - event._dispatchInstances = accumulateInto(event._dispatchInstances, inst); + var event = SyntheticCompositionEvent.getPooled(eventType, targetInst, nativeEvent, nativeEventTarget); + + if (fallbackData) { + // Inject data generated from fallback path into the synthetic event. + // This matches the property of native CompositionEventInterface. + event.data = fallbackData; + } else { + var customData = getDataFromCustomEvent(nativeEvent); + if (customData !== null) { + event.data = customData; } } + + accumulateTwoPhaseDispatches(event); + return event; } /** - * Accumulates dispatches on an `SyntheticEvent`, but only for the - * `dispatchMarker`. - * @param {SyntheticEvent} event + * @param {TopLevelType} topLevelType Number from `TopLevelType`. + * @param {object} nativeEvent Native browser event. + * @return {?string} The string corresponding to this `beforeInput` event. */ -function accumulateDirectDispatchesSingle(event) { - if (event && event.dispatchConfig.registrationName) { - accumulateDispatches(event._targetInst, null, event); - } -} - -function accumulateTwoPhaseDispatches(events) { - forEachAccumulated(events, accumulateTwoPhaseDispatchesSingle); -} +function getNativeBeforeInputChars(topLevelType, nativeEvent) { + switch (topLevelType) { + case TOP_COMPOSITION_END: + return getDataFromCustomEvent(nativeEvent); + case TOP_KEY_PRESS: + /** + * If native `textInput` events are available, our goal is to make + * use of them. However, there is a special case: the spacebar key. + * In Webkit, preventing default on a spacebar `textInput` event + * cancels character insertion, but it *also* causes the browser + * to fall back to its default spacebar behavior of scrolling the + * page. + * + * Tracking at: + * https://code.google.com/p/chromium/issues/detail?id=355103 + * + * To avoid this issue, use the keypress event as if no `textInput` + * event is available. + */ + var which = nativeEvent.which; + if (which !== SPACEBAR_CODE) { + return null; + } -function accumulateTwoPhaseDispatchesSkipTarget(events) { - forEachAccumulated(events, accumulateTwoPhaseDispatchesSingleSkipTarget); -} + hasSpaceKeypress = true; + return SPACEBAR_CHAR; -function accumulateEnterLeaveDispatches(leave, enter, from, to) { - traverseEnterLeave(from, to, accumulateDispatches, leave, enter); -} + case TOP_TEXT_INPUT: + // Record the characters to be added to the DOM. + var chars = nativeEvent.data; -function accumulateDirectDispatches(events) { - forEachAccumulated(events, accumulateDirectDispatchesSingle); -} + // If it's a spacebar character, assume that we have already handled + // it at the keypress level and bail immediately. Android Chrome + // doesn't give us keycodes, so we need to ignore it. + if (chars === SPACEBAR_CHAR && hasSpaceKeypress) { + return null; + } -var EventPropagators = Object.freeze({ - accumulateTwoPhaseDispatches: accumulateTwoPhaseDispatches, - accumulateTwoPhaseDispatchesSkipTarget: accumulateTwoPhaseDispatchesSkipTarget, - accumulateEnterLeaveDispatches: accumulateEnterLeaveDispatches, - accumulateDirectDispatches: accumulateDirectDispatches -}); + return chars; -var contentKey = null; + default: + // For other native event types, do nothing. + return null; + } +} /** - * Gets the key used to access text content on a DOM node. + * For browsers that do not provide the `textInput` event, extract the + * appropriate string to use for SyntheticInputEvent. * - * @return {?string} Key used to access text content. - * @internal + * @param {number} topLevelType Number from `TopLevelEventTypes`. + * @param {object} nativeEvent Native browser event. + * @return {?string} The fallback string for this `beforeInput` event. */ -function getTextContentAccessor() { - if (!contentKey && ExecutionEnvironment.canUseDOM) { - // Prefer textContent to innerText because many browsers support both but - // SVG elements don't support innerText even when
does. - contentKey = 'textContent' in document.documentElement ? 'textContent' : 'innerText'; +function getFallbackBeforeInputChars(topLevelType, nativeEvent) { + // If we are currently composing (IME) and using a fallback to do so, + // try to extract the composed characters from the fallback object. + // If composition event is available, we extract a string only at + // compositionevent, otherwise extract it at fallback events. + if (isComposing) { + if (topLevelType === TOP_COMPOSITION_END || !canUseCompositionEvent && isFallbackCompositionEnd(topLevelType, nativeEvent)) { + var chars = getData(); + reset(); + isComposing = false; + return chars; + } + return null; + } + + switch (topLevelType) { + case TOP_PASTE: + // If a paste event occurs after a keypress, throw out the input + // chars. Paste events should not lead to BeforeInput events. + return null; + case TOP_KEY_PRESS: + /** + * As of v27, Firefox may fire keypress events even when no character + * will be inserted. A few possibilities: + * + * - `which` is `0`. Arrow keys, Esc key, etc. + * + * - `which` is the pressed key code, but no char is available. + * Ex: 'AltGr + d` in Polish. There is no modified character for + * this key combination and no character is inserted into the + * document, but FF fires the keypress for char code `100` anyway. + * No `input` event will occur. + * + * - `which` is the pressed key code, but a command combination is + * being used. Ex: `Cmd+C`. No character is inserted, and no + * `input` event will occur. + */ + if (!isKeypressCommand(nativeEvent)) { + // IE fires the `keypress` event when a user types an emoji via + // Touch keyboard of Windows. In such a case, the `char` property + // holds an emoji character like `\uD83D\uDE0A`. Because its length + // is 2, the property `which` does not represent an emoji correctly. + // In such a case, we directly return the `char` property instead of + // using `which`. + if (nativeEvent.char && nativeEvent.char.length > 1) { + return nativeEvent.char; + } else if (nativeEvent.which) { + return String.fromCharCode(nativeEvent.which); + } + } + return null; + case TOP_COMPOSITION_END: + return useFallbackCompositionData && !isUsingKoreanIME(nativeEvent) ? null : nativeEvent.data; + default: + return null; } - return contentKey; } /** - * This helper object stores information about text content of a target node, - * allowing comparison of content before and after a given event. - * - * Identify the node where selection currently begins, then observe - * both its text content and its current position in the DOM. Since the - * browser may natively replace the target node during composition, we can - * use its position to find its replacement. - * + * Extract a SyntheticInputEvent for `beforeInput`, based on either native + * `textInput` or fallback behavior. * + * @return {?object} A SyntheticInputEvent. */ -var compositionState = { - _root: null, - _startText: null, - _fallbackText: null -}; - -function initialize(nativeEventTarget) { - compositionState._root = nativeEventTarget; - compositionState._startText = getText(); - return true; -} - -function reset() { - compositionState._root = null; - compositionState._startText = null; - compositionState._fallbackText = null; -} - -function getData() { - if (compositionState._fallbackText) { - return compositionState._fallbackText; - } - - var start; - var startValue = compositionState._startText; - var startLength = startValue.length; - var end; - var endValue = getText(); - var endLength = endValue.length; +function extractBeforeInputEvent(topLevelType, targetInst, nativeEvent, nativeEventTarget) { + var chars = void 0; - for (start = 0; start < startLength; start++) { - if (startValue[start] !== endValue[start]) { - break; - } + if (canUseTextInputEvent) { + chars = getNativeBeforeInputChars(topLevelType, nativeEvent); + } else { + chars = getFallbackBeforeInputChars(topLevelType, nativeEvent); } - var minEnd = startLength - start; - for (end = 1; end <= minEnd; end++) { - if (startValue[startLength - end] !== endValue[endLength - end]) { - break; - } + // If no characters are being inserted, no BeforeInput event should + // be fired. + if (!chars) { + return null; } - var sliceTail = end > 1 ? 1 - end : undefined; - compositionState._fallbackText = endValue.slice(start, sliceTail); - return compositionState._fallbackText; -} + var event = SyntheticInputEvent.getPooled(eventTypes.beforeInput, targetInst, nativeEvent, nativeEventTarget); -function getText() { - if ('value' in compositionState._root) { - return compositionState._root.value; - } - return compositionState._root[getTextContentAccessor()]; + event.data = chars; + accumulateTwoPhaseDispatches(event); + return event; } -/* eslint valid-typeof: 0 */ - -var didWarnForAddedNewProperty = false; -var isProxySupported = typeof Proxy === 'function'; -var EVENT_POOL_SIZE = 10; - -var shouldBeReleasedProperties = ['dispatchConfig', '_targetInst', 'nativeEvent', 'isDefaultPrevented', 'isPropagationStopped', '_dispatchListeners', '_dispatchInstances']; - -/** - * @interface Event - * @see http://www.w3.org/TR/DOM-Level-3-Events/ - */ -var EventInterface = { - type: null, - target: null, - // currentTarget is set when dispatching; no use in copying it here - currentTarget: emptyFunction.thatReturnsNull, - eventPhase: null, - bubbles: null, - cancelable: null, - timeStamp: function (event) { - return event.timeStamp || Date.now(); - }, - defaultPrevented: null, - isTrusted: null -}; - /** - * Synthetic events are dispatched by event plugins, typically in response to a - * top-level event delegation handler. + * Create an `onBeforeInput` event to match + * http://www.w3.org/TR/2013/WD-DOM-Level-3-Events-20131105/#events-inputevents. * - * These systems should generally use pooling to reduce the frequency of garbage - * collection. The system should check `isPersistent` to determine whether the - * event should be released into the pool after being dispatched. Users that - * need a persisted event should invoke `persist`. + * This event plugin is based on the native `textInput` event + * available in Chrome, Safari, Opera, and IE. This event fires after + * `onKeyPress` and `onCompositionEnd`, but before `onInput`. * - * Synthetic events (and subclasses) implement the DOM Level 3 Events API by - * normalizing browser quirks. Subclasses do not necessarily have to implement a - * DOM interface; custom application-specific events can also subclass this. + * `beforeInput` is spec'd but not implemented in any browsers, and + * the `input` event does not provide any useful information about what has + * actually been added, contrary to the spec. Thus, `textInput` is the best + * available event to identify the characters that have actually been inserted + * into the target node. * - * @param {object} dispatchConfig Configuration used to dispatch this event. - * @param {*} targetInst Marker identifying the event target. - * @param {object} nativeEvent Native browser event. - * @param {DOMEventTarget} nativeEventTarget Target node. + * This plugin is also responsible for emitting `composition` events, thus + * allowing us to share composition fallback code for both `beforeInput` and + * `composition` event types. */ -function SyntheticEvent(dispatchConfig, targetInst, nativeEvent, nativeEventTarget) { - { - // these have a getter/setter for warnings - delete this.nativeEvent; - delete this.preventDefault; - delete this.stopPropagation; - } +var BeforeInputEventPlugin = { + eventTypes: eventTypes, - this.dispatchConfig = dispatchConfig; - this._targetInst = targetInst; - this.nativeEvent = nativeEvent; + extractEvents: function (topLevelType, targetInst, nativeEvent, nativeEventTarget) { + var composition = extractCompositionEvent(topLevelType, targetInst, nativeEvent, nativeEventTarget); - var Interface = this.constructor.Interface; - for (var propName in Interface) { - if (!Interface.hasOwnProperty(propName)) { - continue; - } - { - delete this[propName]; // this has a getter/setter for warnings + var beforeInput = extractBeforeInputEvent(topLevelType, targetInst, nativeEvent, nativeEventTarget); + + if (composition === null) { + return beforeInput; } - var normalize = Interface[propName]; - if (normalize) { - this[propName] = normalize(nativeEvent); - } else { - if (propName === 'target') { - this.target = nativeEventTarget; - } else { - this[propName] = nativeEvent[propName]; - } + + if (beforeInput === null) { + return composition; } + + return [composition, beforeInput]; } +}; - var defaultPrevented = nativeEvent.defaultPrevented != null ? nativeEvent.defaultPrevented : nativeEvent.returnValue === false; - if (defaultPrevented) { - this.isDefaultPrevented = emptyFunction.thatReturnsTrue; - } else { - this.isDefaultPrevented = emptyFunction.thatReturnsFalse; +// Use to restore controlled state after a change event has fired. + +var restoreImpl = null; +var restoreTarget = null; +var restoreQueue = null; + +function restoreStateOfTarget(target) { + // We perform this translation at the end of the event loop so that we + // always receive the correct fiber here + var internalInstance = getInstanceFromNode(target); + if (!internalInstance) { + // Unmounted + return; } - this.isPropagationStopped = emptyFunction.thatReturnsFalse; - return this; + !(typeof restoreImpl === 'function') ? invariant(false, 'setRestoreImplementation() needs to be called to handle a target for controlled events. This error is likely caused by a bug in React. Please file an issue.') : void 0; + var props = getFiberCurrentPropsFromNode(internalInstance.stateNode); + restoreImpl(internalInstance.stateNode, internalInstance.type, props); } -_assign(SyntheticEvent.prototype, { - preventDefault: function () { - this.defaultPrevented = true; - var event = this.nativeEvent; - if (!event) { - return; - } +function setRestoreImplementation(impl) { + restoreImpl = impl; +} - if (event.preventDefault) { - event.preventDefault(); - } else if (typeof event.returnValue !== 'unknown') { - event.returnValue = false; +function enqueueStateRestore(target) { + if (restoreTarget) { + if (restoreQueue) { + restoreQueue.push(target); + } else { + restoreQueue = [target]; } - this.isDefaultPrevented = emptyFunction.thatReturnsTrue; - }, + } else { + restoreTarget = target; + } +} - stopPropagation: function () { - var event = this.nativeEvent; - if (!event) { - return; - } +function needsStateRestore() { + return restoreTarget !== null || restoreQueue !== null; +} - if (event.stopPropagation) { - event.stopPropagation(); - } else if (typeof event.cancelBubble !== 'unknown') { - // The ChangeEventPlugin registers a "propertychange" event for - // IE. This event does not support bubbling or cancelling, and - // any references to cancelBubble throw "Member not found". A - // typeof check of "unknown" circumvents this issue (and is also - // IE specific). - event.cancelBubble = true; - } +function restoreStateIfNeeded() { + if (!restoreTarget) { + return; + } + var target = restoreTarget; + var queuedTargets = restoreQueue; + restoreTarget = null; + restoreQueue = null; - this.isPropagationStopped = emptyFunction.thatReturnsTrue; - }, + restoreStateOfTarget(target); + if (queuedTargets) { + for (var i = 0; i < queuedTargets.length; i++) { + restoreStateOfTarget(queuedTargets[i]); + } + } +} - /** - * We release all dispatched `SyntheticEvent`s after each event loop, adding - * them back into the pool. This allows a way to hold onto a reference that - * won't be added back into the pool. - */ - persist: function () { - this.isPersistent = emptyFunction.thatReturnsTrue; - }, +// Used as a way to call batchedUpdates when we don't have a reference to +// the renderer. Such as when we're dispatching events or if third party +// libraries need to call batchedUpdates. Eventually, this API will go away when +// everything is batched by default. We'll then have a similar API to opt-out of +// scheduled work and instead do synchronous work. - /** - * Checks if this event should be released back into the pool. - * - * @return {boolean} True if this should not be released, false otherwise. - */ - isPersistent: emptyFunction.thatReturnsFalse, +// Defaults +var _batchedUpdatesImpl = function (fn, bookkeeping) { + return fn(bookkeeping); +}; +var _interactiveUpdatesImpl = function (fn, a, b) { + return fn(a, b); +}; +var _flushInteractiveUpdatesImpl = function () {}; - /** - * `PooledClass` looks for `destructor` on each instance it releases. - */ - destructor: function () { - var Interface = this.constructor.Interface; - for (var propName in Interface) { - { - Object.defineProperty(this, propName, getPooledWarningPropertyDefinition(propName, Interface[propName])); - } - } - for (var i = 0; i < shouldBeReleasedProperties.length; i++) { - this[shouldBeReleasedProperties[i]] = null; - } - { - Object.defineProperty(this, 'nativeEvent', getPooledWarningPropertyDefinition('nativeEvent', null)); - Object.defineProperty(this, 'preventDefault', getPooledWarningPropertyDefinition('preventDefault', emptyFunction)); - Object.defineProperty(this, 'stopPropagation', getPooledWarningPropertyDefinition('stopPropagation', emptyFunction)); +var isBatching = false; +function batchedUpdates(fn, bookkeeping) { + if (isBatching) { + // If we are currently inside another batch, we need to wait until it + // fully completes before restoring state. + return fn(bookkeeping); + } + isBatching = true; + try { + return _batchedUpdatesImpl(fn, bookkeeping); + } finally { + // Here we wait until all updates have propagated, which is important + // when using controlled components within layers: + // https://github.com/facebook/react/issues/1698 + // Then we restore state of any controlled component. + isBatching = false; + var controlledComponentsHavePendingUpdates = needsStateRestore(); + if (controlledComponentsHavePendingUpdates) { + // If a controlled event was fired, we may need to restore the state of + // the DOM node back to the controlled value. This is necessary when React + // bails out of the update without touching the DOM. + _flushInteractiveUpdatesImpl(); + restoreStateIfNeeded(); } } -}); +} -SyntheticEvent.Interface = EventInterface; +function interactiveUpdates(fn, a, b) { + return _interactiveUpdatesImpl(fn, a, b); +} -/** - * Helper to reduce boilerplate when creating subclasses. - * - * @param {function} Class - * @param {?object} Interface - */ -SyntheticEvent.augmentClass = function (Class, Interface) { - var Super = this; - var E = function () {}; - E.prototype = Super.prototype; - var prototype = new E(); - _assign(prototype, Class.prototype); - Class.prototype = prototype; - Class.prototype.constructor = Class; +function setBatchingImplementation(batchedUpdatesImpl, interactiveUpdatesImpl, flushInteractiveUpdatesImpl) { + _batchedUpdatesImpl = batchedUpdatesImpl; + _interactiveUpdatesImpl = interactiveUpdatesImpl; + _flushInteractiveUpdatesImpl = flushInteractiveUpdatesImpl; +} - Class.Interface = _assign({}, Super.Interface, Interface); - Class.augmentClass = Super.augmentClass; - addEventPoolingTo(Class); -}; - -/** Proxying after everything set on SyntheticEvent - * to resolve Proxy issue on some WebKit browsers - * in which some Event properties are set to undefined (GH#10010) +/** + * @see http://www.whatwg.org/specs/web-apps/current-work/multipage/the-input-element.html#input-type-attr-summary */ -{ - if (isProxySupported) { - /*eslint-disable no-func-assign */ - SyntheticEvent = new Proxy(SyntheticEvent, { - construct: function (target, args) { - return this.apply(target, Object.create(target.prototype), args); - }, - apply: function (constructor, that, args) { - return new Proxy(constructor.apply(that, args), { - set: function (target, prop, value) { - if (prop !== 'isPersistent' && !target.constructor.Interface.hasOwnProperty(prop) && shouldBeReleasedProperties.indexOf(prop) === -1) { - warning(didWarnForAddedNewProperty || target.isPersistent(), "This synthetic event is reused for performance reasons. If you're " + "seeing this, you're adding a new property in the synthetic event object. " + 'The property is never released. See ' + 'https://fb.me/react-event-pooling for more information.'); - didWarnForAddedNewProperty = true; - } - target[prop] = value; - return true; - } - }); - } - }); - /*eslint-enable no-func-assign */ +var supportedInputTypes = { + color: true, + date: true, + datetime: true, + 'datetime-local': true, + email: true, + month: true, + number: true, + password: true, + range: true, + search: true, + tel: true, + text: true, + time: true, + url: true, + week: true +}; + +function isTextInputElement(elem) { + var nodeName = elem && elem.nodeName && elem.nodeName.toLowerCase(); + + if (nodeName === 'input') { + return !!supportedInputTypes[elem.type]; + } + + if (nodeName === 'textarea') { + return true; } + + return false; } -addEventPoolingTo(SyntheticEvent); +/** + * HTML nodeType values that represent the type of the node + */ + +var ELEMENT_NODE = 1; +var TEXT_NODE = 3; +var COMMENT_NODE = 8; +var DOCUMENT_NODE = 9; +var DOCUMENT_FRAGMENT_NODE = 11; /** - * Helper to nullify syntheticEvent instance properties when destructing + * Gets the target node from a native browser event by accounting for + * inconsistencies in browser DOM APIs. * - * @param {String} propName - * @param {?object} getVal - * @return {object} defineProperty object + * @param {object} nativeEvent Native browser event. + * @return {DOMEventTarget} Target node. */ -function getPooledWarningPropertyDefinition(propName, getVal) { - var isFunction = typeof getVal === 'function'; - return { - configurable: true, - set: set, - get: get - }; +function getEventTarget(nativeEvent) { + // Fallback to nativeEvent.srcElement for IE9 + // https://github.com/facebook/react/issues/12506 + var target = nativeEvent.target || nativeEvent.srcElement || window; - function set(val) { - var action = isFunction ? 'setting the method' : 'setting the property'; - warn(action, 'This is effectively a no-op'); - return val; + // Normalize SVG element events #4963 + if (target.correspondingUseElement) { + target = target.correspondingUseElement; } - function get() { - var action = isFunction ? 'accessing the method' : 'accessing the property'; - var result = isFunction ? 'This is a no-op function' : 'This is set to null'; - warn(action, result); - return getVal; + // Safari may fire events on text nodes (Node.TEXT_NODE is 3). + // @see http://www.quirksmode.org/js/events_properties.html + return target.nodeType === TEXT_NODE ? target.parentNode : target; +} + +/** + * Checks if an event is supported in the current execution environment. + * + * NOTE: This will not work correctly for non-generic events such as `change`, + * `reset`, `load`, `error`, and `select`. + * + * Borrows from Modernizr. + * + * @param {string} eventNameSuffix Event name, e.g. "click". + * @return {boolean} True if the event is supported. + * @internal + * @license Modernizr 3.0.0pre (Custom Build) | MIT + */ +function isEventSupported(eventNameSuffix) { + if (!canUseDOM) { + return false; } - function warn(action, result) { - var warningCondition = false; - warning(warningCondition, "This synthetic event is reused for performance reasons. If you're seeing this, " + "you're %s `%s` on a released/nullified synthetic event. %s. " + 'If you must keep the original synthetic event around, use event.persist(). ' + 'See https://fb.me/react-event-pooling for more information.', action, propName, result); + var eventName = 'on' + eventNameSuffix; + var isSupported = eventName in document; + + if (!isSupported) { + var element = document.createElement('div'); + element.setAttribute(eventName, 'return;'); + isSupported = typeof element[eventName] === 'function'; } + + return isSupported; } -function getPooledEvent(dispatchConfig, targetInst, nativeEvent, nativeInst) { - var EventConstructor = this; - if (EventConstructor.eventPool.length) { - var instance = EventConstructor.eventPool.pop(); - EventConstructor.call(instance, dispatchConfig, targetInst, nativeEvent, nativeInst); - return instance; - } - return new EventConstructor(dispatchConfig, targetInst, nativeEvent, nativeInst); +function isCheckable(elem) { + var type = elem.type; + var nodeName = elem.nodeName; + return nodeName && nodeName.toLowerCase() === 'input' && (type === 'checkbox' || type === 'radio'); } -function releasePooledEvent(event) { - var EventConstructor = this; - !(event instanceof EventConstructor) ? invariant(false, 'Trying to release an event instance into a pool of a different type.') : void 0; - event.destructor(); - if (EventConstructor.eventPool.length < EVENT_POOL_SIZE) { - EventConstructor.eventPool.push(event); - } +function getTracker(node) { + return node._valueTracker; } -function addEventPoolingTo(EventConstructor) { - EventConstructor.eventPool = []; - EventConstructor.getPooled = getPooledEvent; - EventConstructor.release = releasePooledEvent; +function detachTracker(node) { + node._valueTracker = null; } -var SyntheticEvent$1 = SyntheticEvent; +function getValueFromNode(node) { + var value = ''; + if (!node) { + return value; + } -/** - * @interface Event - * @see http://www.w3.org/TR/DOM-Level-3-Events/#events-compositionevents - */ -var CompositionEventInterface = { - data: null -}; + if (isCheckable(node)) { + value = node.checked ? 'true' : 'false'; + } else { + value = node.value; + } -/** - * @param {object} dispatchConfig Configuration used to dispatch this event. - * @param {string} dispatchMarker Marker identifying the event target. - * @param {object} nativeEvent Native browser event. - * @extends {SyntheticEvent} - */ -function SyntheticCompositionEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) { - return SyntheticEvent$1.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget); + return value; } -SyntheticEvent$1.augmentClass(SyntheticCompositionEvent, CompositionEventInterface); +function trackValueOnNode(node) { + var valueField = isCheckable(node) ? 'checked' : 'value'; + var descriptor = Object.getOwnPropertyDescriptor(node.constructor.prototype, valueField); -/** - * @interface Event - * @see http://www.w3.org/TR/2013/WD-DOM-Level-3-Events-20131105 - * /#events-inputevents - */ -var InputEventInterface = { - data: null -}; + var currentValue = '' + node[valueField]; -/** - * @param {object} dispatchConfig Configuration used to dispatch this event. - * @param {string} dispatchMarker Marker identifying the event target. - * @param {object} nativeEvent Native browser event. - * @extends {SyntheticEvent} - */ -function SyntheticInputEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) { - return SyntheticEvent$1.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget); -} + // if someone has already defined a value or Safari, then bail + // and don't track value will cause over reporting of changes, + // but it's better then a hard failure + // (needed for certain tests that spyOn input values and Safari) + if (node.hasOwnProperty(valueField) || typeof descriptor === 'undefined' || typeof descriptor.get !== 'function' || typeof descriptor.set !== 'function') { + return; + } + var get = descriptor.get, + set = descriptor.set; -SyntheticEvent$1.augmentClass(SyntheticInputEvent, InputEventInterface); + Object.defineProperty(node, valueField, { + configurable: true, + get: function () { + return get.call(this); + }, + set: function (value) { + currentValue = '' + value; + set.call(this, value); + } + }); + // We could've passed this the first time + // but it triggers a bug in IE11 and Edge 14/15. + // Calling defineProperty() again should be equivalent. + // https://github.com/facebook/react/issues/11768 + Object.defineProperty(node, valueField, { + enumerable: descriptor.enumerable + }); -var END_KEYCODES = [9, 13, 27, 32]; // Tab, Return, Esc, Space -var START_KEYCODE = 229; + var tracker = { + getValue: function () { + return currentValue; + }, + setValue: function (value) { + currentValue = '' + value; + }, + stopTracking: function () { + detachTracker(node); + delete node[valueField]; + } + }; + return tracker; +} -var canUseCompositionEvent = ExecutionEnvironment.canUseDOM && 'CompositionEvent' in window; +function track(node) { + if (getTracker(node)) { + return; + } -var documentMode = null; -if (ExecutionEnvironment.canUseDOM && 'documentMode' in document) { - documentMode = document.documentMode; + // TODO: Once it's just Fiber we can move this to node._wrapperState + node._valueTracker = trackValueOnNode(node); } -// Webkit offers a very useful `textInput` event that can be used to -// directly represent `beforeInput`. The IE `textinput` event is not as -// useful, so we don't use it. -var canUseTextInputEvent = ExecutionEnvironment.canUseDOM && 'TextEvent' in window && !documentMode && !isPresto(); +function updateValueIfChanged(node) { + if (!node) { + return false; + } -// In IE9+, we have access to composition events, but the data supplied -// by the native compositionend event may be incorrect. Japanese ideographic -// spaces, for instance (\u3000) are not recorded correctly. -var useFallbackCompositionData = ExecutionEnvironment.canUseDOM && (!canUseCompositionEvent || documentMode && documentMode > 8 && documentMode <= 11); + var tracker = getTracker(node); + // if there is no tracker at this point it's unlikely + // that trying again will succeed + if (!tracker) { + return true; + } -/** - * Opera <= 12 includes TextEvent in window, but does not fire - * text input events. Rely on keypress instead. - */ -function isPresto() { - var opera = window.opera; - return typeof opera === 'object' && typeof opera.version === 'function' && parseInt(opera.version(), 10) <= 12; + var lastValue = tracker.getValue(); + var nextValue = getValueFromNode(node); + if (nextValue !== lastValue) { + tracker.setValue(nextValue); + return true; + } + return false; } -var SPACEBAR_CODE = 32; -var SPACEBAR_CHAR = String.fromCharCode(SPACEBAR_CODE); +var ReactSharedInternals = React.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED; -// Events and their corresponding property names. -var eventTypes = { - beforeInput: { - phasedRegistrationNames: { - bubbled: 'onBeforeInput', - captured: 'onBeforeInputCapture' - }, - dependencies: ['topCompositionEnd', 'topKeyPress', 'topTextInput', 'topPaste'] - }, - compositionEnd: { - phasedRegistrationNames: { - bubbled: 'onCompositionEnd', - captured: 'onCompositionEndCapture' - }, - dependencies: ['topBlur', 'topCompositionEnd', 'topKeyDown', 'topKeyPress', 'topKeyUp', 'topMouseDown'] - }, - compositionStart: { - phasedRegistrationNames: { - bubbled: 'onCompositionStart', - captured: 'onCompositionStartCapture' - }, - dependencies: ['topBlur', 'topCompositionStart', 'topKeyDown', 'topKeyPress', 'topKeyUp', 'topMouseDown'] - }, - compositionUpdate: { - phasedRegistrationNames: { - bubbled: 'onCompositionUpdate', - captured: 'onCompositionUpdateCapture' - }, - dependencies: ['topBlur', 'topCompositionUpdate', 'topKeyDown', 'topKeyPress', 'topKeyUp', 'topMouseDown'] +// Prevent newer renderers from RTE when used with older react package versions. +// Current owner and dispatcher used to share the same ref, +// but PR #14548 split them out to better support the react-debug-tools package. +if (!ReactSharedInternals.hasOwnProperty('ReactCurrentDispatcher')) { + ReactSharedInternals.ReactCurrentDispatcher = { + current: null + }; +} + +var BEFORE_SLASH_RE = /^(.*)[\\\/]/; + +var describeComponentFrame = function (name, source, ownerName) { + var sourceInfo = ''; + if (source) { + var path = source.fileName; + var fileName = path.replace(BEFORE_SLASH_RE, ''); + { + // In DEV, include code for a common special case: + // prefer "folder/index.js" instead of just "index.js". + if (/^index\./.test(fileName)) { + var match = path.match(BEFORE_SLASH_RE); + if (match) { + var pathBeforeSlash = match[1]; + if (pathBeforeSlash) { + var folderName = pathBeforeSlash.replace(BEFORE_SLASH_RE, ''); + fileName = folderName + '/' + fileName; + } + } + } + } + sourceInfo = ' (at ' + fileName + ':' + source.lineNumber + ')'; + } else if (ownerName) { + sourceInfo = ' (created by ' + ownerName + ')'; } + return '\n in ' + (name || 'Unknown') + sourceInfo; }; -// Track whether we've ever handled a keypress on the space key. -var hasSpaceKeypress = false; +// The Symbol used to tag the ReactElement-like types. If there is no native Symbol +// nor polyfill, then a plain number is used for performance. +var hasSymbol = typeof Symbol === 'function' && Symbol.for; + +var REACT_ELEMENT_TYPE = hasSymbol ? Symbol.for('react.element') : 0xeac7; +var REACT_PORTAL_TYPE = hasSymbol ? Symbol.for('react.portal') : 0xeaca; +var REACT_FRAGMENT_TYPE = hasSymbol ? Symbol.for('react.fragment') : 0xeacb; +var REACT_STRICT_MODE_TYPE = hasSymbol ? Symbol.for('react.strict_mode') : 0xeacc; +var REACT_PROFILER_TYPE = hasSymbol ? Symbol.for('react.profiler') : 0xead2; +var REACT_PROVIDER_TYPE = hasSymbol ? Symbol.for('react.provider') : 0xeacd; +var REACT_CONTEXT_TYPE = hasSymbol ? Symbol.for('react.context') : 0xeace; + +var REACT_CONCURRENT_MODE_TYPE = hasSymbol ? Symbol.for('react.concurrent_mode') : 0xeacf; +var REACT_FORWARD_REF_TYPE = hasSymbol ? Symbol.for('react.forward_ref') : 0xead0; +var REACT_SUSPENSE_TYPE = hasSymbol ? Symbol.for('react.suspense') : 0xead1; +var REACT_MEMO_TYPE = hasSymbol ? Symbol.for('react.memo') : 0xead3; +var REACT_LAZY_TYPE = hasSymbol ? Symbol.for('react.lazy') : 0xead4; -/** - * Return whether a native keypress event is assumed to be a command. - * This is required because Firefox fires `keypress` events for key commands - * (cut, copy, select-all, etc.) even though no character is inserted. - */ -function isKeypressCommand(nativeEvent) { - return (nativeEvent.ctrlKey || nativeEvent.altKey || nativeEvent.metaKey) && - // ctrlKey && altKey is equivalent to AltGr, and is not a command. - !(nativeEvent.ctrlKey && nativeEvent.altKey); -} +var MAYBE_ITERATOR_SYMBOL = typeof Symbol === 'function' && Symbol.iterator; +var FAUX_ITERATOR_SYMBOL = '@@iterator'; -/** - * Translate native top level events into event types. - * - * @param {string} topLevelType - * @return {object} - */ -function getCompositionEventType(topLevelType) { - switch (topLevelType) { - case 'topCompositionStart': - return eventTypes.compositionStart; - case 'topCompositionEnd': - return eventTypes.compositionEnd; - case 'topCompositionUpdate': - return eventTypes.compositionUpdate; +function getIteratorFn(maybeIterable) { + if (maybeIterable === null || typeof maybeIterable !== 'object') { + return null; + } + var maybeIterator = MAYBE_ITERATOR_SYMBOL && maybeIterable[MAYBE_ITERATOR_SYMBOL] || maybeIterable[FAUX_ITERATOR_SYMBOL]; + if (typeof maybeIterator === 'function') { + return maybeIterator; } + return null; } -/** - * Does our fallback best-guess model think this event signifies that - * composition has begun? - * - * @param {string} topLevelType - * @param {object} nativeEvent - * @return {boolean} - */ -function isFallbackCompositionStart(topLevelType, nativeEvent) { - return topLevelType === 'topKeyDown' && nativeEvent.keyCode === START_KEYCODE; +var Pending = 0; +var Resolved = 1; +var Rejected = 2; + +function refineResolvedLazyComponent(lazyComponent) { + return lazyComponent._status === Resolved ? lazyComponent._result : null; } -/** - * Does our fallback mode think that this event is the end of composition? - * - * @param {string} topLevelType - * @param {object} nativeEvent - * @return {boolean} - */ -function isFallbackCompositionEnd(topLevelType, nativeEvent) { - switch (topLevelType) { - case 'topKeyUp': - // Command keys insert or clear IME input. - return END_KEYCODES.indexOf(nativeEvent.keyCode) !== -1; - case 'topKeyDown': - // Expect IME keyCode on each keydown. If we get any other - // code we must have exited earlier. - return nativeEvent.keyCode !== START_KEYCODE; - case 'topKeyPress': - case 'topMouseDown': - case 'topBlur': - // Events are not possible without cancelling IME. - return true; - default: - return false; - } +function getWrappedName(outerType, innerType, wrapperName) { + var functionName = innerType.displayName || innerType.name || ''; + return outerType.displayName || (functionName !== '' ? wrapperName + '(' + functionName + ')' : wrapperName); } -/** - * Google Input Tools provides composition data via a CustomEvent, - * with the `data` property populated in the `detail` object. If this - * is available on the event object, use it. If not, this is a plain - * composition event and we have nothing special to extract. - * - * @param {object} nativeEvent - * @return {?string} - */ -function getDataFromCustomEvent(nativeEvent) { - var detail = nativeEvent.detail; - if (typeof detail === 'object' && 'data' in detail) { - return detail.data; +function getComponentName(type) { + if (type == null) { + // Host root, text node or just invalid type. + return null; + } + { + if (typeof type.tag === 'number') { + warningWithoutStack$1(false, 'Received an unexpected object in getComponentName(). ' + 'This is likely a bug in React. Please file an issue.'); + } + } + if (typeof type === 'function') { + return type.displayName || type.name || null; + } + if (typeof type === 'string') { + return type; + } + switch (type) { + case REACT_CONCURRENT_MODE_TYPE: + return 'ConcurrentMode'; + case REACT_FRAGMENT_TYPE: + return 'Fragment'; + case REACT_PORTAL_TYPE: + return 'Portal'; + case REACT_PROFILER_TYPE: + return 'Profiler'; + case REACT_STRICT_MODE_TYPE: + return 'StrictMode'; + case REACT_SUSPENSE_TYPE: + return 'Suspense'; + } + if (typeof type === 'object') { + switch (type.$$typeof) { + case REACT_CONTEXT_TYPE: + return 'Context.Consumer'; + case REACT_PROVIDER_TYPE: + return 'Context.Provider'; + case REACT_FORWARD_REF_TYPE: + return getWrappedName(type, type.render, 'ForwardRef'); + case REACT_MEMO_TYPE: + return getComponentName(type.type); + case REACT_LAZY_TYPE: + { + var thenable = type; + var resolvedThenable = refineResolvedLazyComponent(thenable); + if (resolvedThenable) { + return getComponentName(resolvedThenable); + } + } + } } return null; } -// Track the current IME composition status, if any. -var isComposing = false; - -/** - * @return {?object} A SyntheticCompositionEvent. - */ -function extractCompositionEvent(topLevelType, targetInst, nativeEvent, nativeEventTarget) { - var eventType; - var fallbackData; +var ReactDebugCurrentFrame = ReactSharedInternals.ReactDebugCurrentFrame; - if (canUseCompositionEvent) { - eventType = getCompositionEventType(topLevelType); - } else if (!isComposing) { - if (isFallbackCompositionStart(topLevelType, nativeEvent)) { - eventType = eventTypes.compositionStart; - } - } else if (isFallbackCompositionEnd(topLevelType, nativeEvent)) { - eventType = eventTypes.compositionEnd; +function describeFiber(fiber) { + switch (fiber.tag) { + case HostRoot: + case HostPortal: + case HostText: + case Fragment: + case ContextProvider: + case ContextConsumer: + return ''; + default: + var owner = fiber._debugOwner; + var source = fiber._debugSource; + var name = getComponentName(fiber.type); + var ownerName = null; + if (owner) { + ownerName = getComponentName(owner.type); + } + return describeComponentFrame(name, source, ownerName); } +} - if (!eventType) { - return null; +function getStackByFiberInDevAndProd(workInProgress) { + var info = ''; + var node = workInProgress; + do { + info += describeFiber(node); + node = node.return; + } while (node); + return info; +} + +var current = null; +var phase = null; + +function getCurrentFiberOwnerNameInDevOrNull() { + { + if (current === null) { + return null; + } + var owner = current._debugOwner; + if (owner !== null && typeof owner !== 'undefined') { + return getComponentName(owner.type); + } } + return null; +} - if (useFallbackCompositionData) { - // The current composition is stored statically and must not be - // overwritten while composition continues. - if (!isComposing && eventType === eventTypes.compositionStart) { - isComposing = initialize(nativeEventTarget); - } else if (eventType === eventTypes.compositionEnd) { - if (isComposing) { - fallbackData = getData(); - } +function getCurrentFiberStackInDev() { + { + if (current === null) { + return ''; } + // Safe because if current fiber exists, we are reconciling, + // and it is guaranteed to be the work-in-progress version. + return getStackByFiberInDevAndProd(current); } + return ''; +} - var event = SyntheticCompositionEvent.getPooled(eventType, targetInst, nativeEvent, nativeEventTarget); +function resetCurrentFiber() { + { + ReactDebugCurrentFrame.getCurrentStack = null; + current = null; + phase = null; + } +} - if (fallbackData) { - // Inject data generated from fallback path into the synthetic event. - // This matches the property of native CompositionEventInterface. - event.data = fallbackData; - } else { - var customData = getDataFromCustomEvent(nativeEvent); - if (customData !== null) { - event.data = customData; - } +function setCurrentFiber(fiber) { + { + ReactDebugCurrentFrame.getCurrentStack = getCurrentFiberStackInDev; + current = fiber; + phase = null; } +} - accumulateTwoPhaseDispatches(event); - return event; +function setCurrentPhase(lifeCyclePhase) { + { + phase = lifeCyclePhase; + } } /** - * @param {TopLevelTypes} topLevelType Record from `BrowserEventConstants`. - * @param {object} nativeEvent Native browser event. - * @return {?string} The string corresponding to this `beforeInput` event. + * Similar to invariant but only logs a warning if the condition is not met. + * This can be used to log issues in development environments in critical + * paths. Removing the logging code for production environments will keep the + * same logic and follow the same code paths. */ -function getNativeBeforeInputChars(topLevelType, nativeEvent) { - switch (topLevelType) { - case 'topCompositionEnd': - return getDataFromCustomEvent(nativeEvent); - case 'topKeyPress': - /** - * If native `textInput` events are available, our goal is to make - * use of them. However, there is a special case: the spacebar key. - * In Webkit, preventing default on a spacebar `textInput` event - * cancels character insertion, but it *also* causes the browser - * to fall back to its default spacebar behavior of scrolling the - * page. - * - * Tracking at: - * https://code.google.com/p/chromium/issues/detail?id=355103 - * - * To avoid this issue, use the keypress event as if no `textInput` - * event is available. - */ - var which = nativeEvent.which; - if (which !== SPACEBAR_CODE) { - return null; - } - - hasSpaceKeypress = true; - return SPACEBAR_CHAR; - case 'topTextInput': - // Record the characters to be added to the DOM. - var chars = nativeEvent.data; +var warning = warningWithoutStack$1; - // If it's a spacebar character, assume that we have already handled - // it at the keypress level and bail immediately. Android Chrome - // doesn't give us keycodes, so we need to blacklist it. - if (chars === SPACEBAR_CHAR && hasSpaceKeypress) { - return null; - } +{ + warning = function (condition, format) { + if (condition) { + return; + } + var ReactDebugCurrentFrame = ReactSharedInternals.ReactDebugCurrentFrame; + var stack = ReactDebugCurrentFrame.getStackAddendum(); + // eslint-disable-next-line react-internal/warning-and-invariant-args - return chars; + for (var _len = arguments.length, args = Array(_len > 2 ? _len - 2 : 0), _key = 2; _key < _len; _key++) { + args[_key - 2] = arguments[_key]; + } - default: - // For other native event types, do nothing. - return null; - } + warningWithoutStack$1.apply(undefined, [false, format + '%s'].concat(args, [stack])); + }; } -/** - * For browsers that do not provide the `textInput` event, extract the - * appropriate string to use for SyntheticInputEvent. - * - * @param {string} topLevelType Record from `BrowserEventConstants`. - * @param {object} nativeEvent Native browser event. - * @return {?string} The fallback string for this `beforeInput` event. - */ -function getFallbackBeforeInputChars(topLevelType, nativeEvent) { - // If we are currently composing (IME) and using a fallback to do so, - // try to extract the composed characters from the fallback object. - // If composition event is available, we extract a string only at - // compositionevent, otherwise extract it at fallback events. - if (isComposing) { - if (topLevelType === 'topCompositionEnd' || !canUseCompositionEvent && isFallbackCompositionEnd(topLevelType, nativeEvent)) { - var chars = getData(); - reset(); - isComposing = false; - return chars; - } - return null; - } - - switch (topLevelType) { - case 'topPaste': - // If a paste event occurs after a keypress, throw out the input - // chars. Paste events should not lead to BeforeInput events. - return null; - case 'topKeyPress': - /** - * As of v27, Firefox may fire keypress events even when no character - * will be inserted. A few possibilities: - * - * - `which` is `0`. Arrow keys, Esc key, etc. - * - * - `which` is the pressed key code, but no char is available. - * Ex: 'AltGr + d` in Polish. There is no modified character for - * this key combination and no character is inserted into the - * document, but FF fires the keypress for char code `100` anyway. - * No `input` event will occur. - * - * - `which` is the pressed key code, but a command combination is - * being used. Ex: `Cmd+C`. No character is inserted, and no - * `input` event will occur. - */ - if (!isKeypressCommand(nativeEvent)) { - // IE fires the `keypress` event when a user types an emoji via - // Touch keyboard of Windows. In such a case, the `char` property - // holds an emoji character like `\uD83D\uDE0A`. Because its length - // is 2, the property `which` does not represent an emoji correctly. - // In such a case, we directly return the `char` property instead of - // using `which`. - if (nativeEvent.char && nativeEvent.char.length > 1) { - return nativeEvent.char; - } else if (nativeEvent.which) { - return String.fromCharCode(nativeEvent.which); - } - } - return null; - case 'topCompositionEnd': - return useFallbackCompositionData ? null : nativeEvent.data; - default: - return null; - } -} +var warning$1 = warning; -/** - * Extract a SyntheticInputEvent for `beforeInput`, based on either native - * `textInput` or fallback behavior. - * - * @return {?object} A SyntheticInputEvent. - */ -function extractBeforeInputEvent(topLevelType, targetInst, nativeEvent, nativeEventTarget) { - var chars; +// A reserved attribute. +// It is handled by React separately and shouldn't be written to the DOM. +var RESERVED = 0; - if (canUseTextInputEvent) { - chars = getNativeBeforeInputChars(topLevelType, nativeEvent); - } else { - chars = getFallbackBeforeInputChars(topLevelType, nativeEvent); - } +// A simple string attribute. +// Attributes that aren't in the whitelist are presumed to have this type. +var STRING = 1; - // If no characters are being inserted, no BeforeInput event should - // be fired. - if (!chars) { - return null; - } +// A string attribute that accepts booleans in React. In HTML, these are called +// "enumerated" attributes with "true" and "false" as possible values. +// When true, it should be set to a "true" string. +// When false, it should be set to a "false" string. +var BOOLEANISH_STRING = 2; - var event = SyntheticInputEvent.getPooled(eventTypes.beforeInput, targetInst, nativeEvent, nativeEventTarget); +// A real boolean attribute. +// When true, it should be present (set either to an empty string or its name). +// When false, it should be omitted. +var BOOLEAN = 3; - event.data = chars; - accumulateTwoPhaseDispatches(event); - return event; -} +// An attribute that can be used as a flag as well as with a value. +// When true, it should be present (set either to an empty string or its name). +// When false, it should be omitted. +// For any other value, should be present with that value. +var OVERLOADED_BOOLEAN = 4; -/** - * Create an `onBeforeInput` event to match - * http://www.w3.org/TR/2013/WD-DOM-Level-3-Events-20131105/#events-inputevents. - * - * This event plugin is based on the native `textInput` event - * available in Chrome, Safari, Opera, and IE. This event fires after - * `onKeyPress` and `onCompositionEnd`, but before `onInput`. - * - * `beforeInput` is spec'd but not implemented in any browsers, and - * the `input` event does not provide any useful information about what has - * actually been added, contrary to the spec. Thus, `textInput` is the best - * available event to identify the characters that have actually been inserted - * into the target node. - * - * This plugin is also responsible for emitting `composition` events, thus - * allowing us to share composition fallback code for both `beforeInput` and - * `composition` event types. - */ -var BeforeInputEventPlugin = { - eventTypes: eventTypes, +// An attribute that must be numeric or parse as a numeric. +// When falsy, it should be removed. +var NUMERIC = 5; - extractEvents: function (topLevelType, targetInst, nativeEvent, nativeEventTarget) { - return [extractCompositionEvent(topLevelType, targetInst, nativeEvent, nativeEventTarget), extractBeforeInputEvent(topLevelType, targetInst, nativeEvent, nativeEventTarget)]; - } -}; +// An attribute that must be positive numeric or parse as a positive numeric. +// When falsy, it should be removed. +var POSITIVE_NUMERIC = 6; -// Use to restore controlled state after a change event has fired. +/* eslint-disable max-len */ +var ATTRIBUTE_NAME_START_CHAR = ':A-Z_a-z\\u00C0-\\u00D6\\u00D8-\\u00F6\\u00F8-\\u02FF\\u0370-\\u037D\\u037F-\\u1FFF\\u200C-\\u200D\\u2070-\\u218F\\u2C00-\\u2FEF\\u3001-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFFD'; +/* eslint-enable max-len */ +var ATTRIBUTE_NAME_CHAR = ATTRIBUTE_NAME_START_CHAR + '\\-.0-9\\u00B7\\u0300-\\u036F\\u203F-\\u2040'; -var fiberHostComponent = null; -var ReactControlledComponentInjection = { - injectFiberControlledHostComponent: function (hostComponentImpl) { - // The fiber implementation doesn't use dynamic dispatch so we need to - // inject the implementation. - fiberHostComponent = hostComponentImpl; - } -}; +var ROOT_ATTRIBUTE_NAME = 'data-reactroot'; +var VALID_ATTRIBUTE_NAME_REGEX = new RegExp('^[' + ATTRIBUTE_NAME_START_CHAR + '][' + ATTRIBUTE_NAME_CHAR + ']*$'); -var restoreTarget = null; -var restoreQueue = null; +var hasOwnProperty = Object.prototype.hasOwnProperty; +var illegalAttributeNameCache = {}; +var validatedAttributeNameCache = {}; -function restoreStateOfTarget(target) { - // We perform this translation at the end of the event loop so that we - // always receive the correct fiber here - var internalInstance = getInstanceFromNode(target); - if (!internalInstance) { - // Unmounted - return; +function isAttributeNameSafe(attributeName) { + if (hasOwnProperty.call(validatedAttributeNameCache, attributeName)) { + return true; } - !(fiberHostComponent && typeof fiberHostComponent.restoreControlledState === 'function') ? invariant(false, 'Fiber needs to be injected to handle a fiber target for controlled events. This error is likely caused by a bug in React. Please file an issue.') : void 0; - var props = getFiberCurrentPropsFromNode(internalInstance.stateNode); - fiberHostComponent.restoreControlledState(internalInstance.stateNode, internalInstance.type, props); + if (hasOwnProperty.call(illegalAttributeNameCache, attributeName)) { + return false; + } + if (VALID_ATTRIBUTE_NAME_REGEX.test(attributeName)) { + validatedAttributeNameCache[attributeName] = true; + return true; + } + illegalAttributeNameCache[attributeName] = true; + { + warning$1(false, 'Invalid attribute name: `%s`', attributeName); + } + return false; } -var injection$3 = ReactControlledComponentInjection; - -function enqueueStateRestore(target) { - if (restoreTarget) { - if (restoreQueue) { - restoreQueue.push(target); - } else { - restoreQueue = [target]; - } - } else { - restoreTarget = target; +function shouldIgnoreAttribute(name, propertyInfo, isCustomComponentTag) { + if (propertyInfo !== null) { + return propertyInfo.type === RESERVED; + } + if (isCustomComponentTag) { + return false; + } + if (name.length > 2 && (name[0] === 'o' || name[0] === 'O') && (name[1] === 'n' || name[1] === 'N')) { + return true; } + return false; } -function restoreStateIfNeeded() { - if (!restoreTarget) { - return; +function shouldRemoveAttributeWithWarning(name, value, propertyInfo, isCustomComponentTag) { + if (propertyInfo !== null && propertyInfo.type === RESERVED) { + return false; } - var target = restoreTarget; - var queuedTargets = restoreQueue; - restoreTarget = null; - restoreQueue = null; + switch (typeof value) { + case 'function': + // $FlowIssue symbol is perfectly valid here + case 'symbol': + // eslint-disable-line + return true; + case 'boolean': + { + if (isCustomComponentTag) { + return false; + } + if (propertyInfo !== null) { + return !propertyInfo.acceptsBooleans; + } else { + var prefix = name.toLowerCase().slice(0, 5); + return prefix !== 'data-' && prefix !== 'aria-'; + } + } + default: + return false; + } +} - restoreStateOfTarget(target); - if (queuedTargets) { - for (var i = 0; i < queuedTargets.length; i++) { - restoreStateOfTarget(queuedTargets[i]); +function shouldRemoveAttribute(name, value, propertyInfo, isCustomComponentTag) { + if (value === null || typeof value === 'undefined') { + return true; + } + if (shouldRemoveAttributeWithWarning(name, value, propertyInfo, isCustomComponentTag)) { + return true; + } + if (isCustomComponentTag) { + return false; + } + if (propertyInfo !== null) { + switch (propertyInfo.type) { + case BOOLEAN: + return !value; + case OVERLOADED_BOOLEAN: + return value === false; + case NUMERIC: + return isNaN(value); + case POSITIVE_NUMERIC: + return isNaN(value) || value < 1; } } + return false; } -var ReactControlledComponent = Object.freeze({ - injection: injection$3, - enqueueStateRestore: enqueueStateRestore, - restoreStateIfNeeded: restoreStateIfNeeded -}); +function getPropertyInfo(name) { + return properties.hasOwnProperty(name) ? properties[name] : null; +} -// Used as a way to call batchedUpdates when we don't have a reference to -// the renderer. Such as when we're dispatching events or if third party -// libraries need to call batchedUpdates. Eventually, this API will go away when -// everything is batched by default. We'll then have a similar API to opt-out of -// scheduled work and instead do synchronous work. +function PropertyInfoRecord(name, type, mustUseProperty, attributeName, attributeNamespace) { + this.acceptsBooleans = type === BOOLEANISH_STRING || type === BOOLEAN || type === OVERLOADED_BOOLEAN; + this.attributeName = attributeName; + this.attributeNamespace = attributeNamespace; + this.mustUseProperty = mustUseProperty; + this.propertyName = name; + this.type = type; +} -// Defaults -var fiberBatchedUpdates = function (fn, bookkeeping) { - return fn(bookkeeping); -}; +// When adding attributes to this list, be sure to also add them to +// the `possibleStandardNames` module to ensure casing and incorrect +// name warnings. +var properties = {}; -var isNestingBatched = false; -function batchedUpdates(fn, bookkeeping) { - if (isNestingBatched) { - // If we are currently inside another batch, we need to wait until it - // fully completes before restoring state. Therefore, we add the target to - // a queue of work. - return fiberBatchedUpdates(fn, bookkeeping); - } - isNestingBatched = true; - try { - return fiberBatchedUpdates(fn, bookkeeping); - } finally { - // Here we wait until all updates have propagated, which is important - // when using controlled components within layers: - // https://github.com/facebook/react/issues/1698 - // Then we restore state of any controlled component. - isNestingBatched = false; - restoreStateIfNeeded(); - } -} +// These props are reserved by React. They shouldn't be written to the DOM. +['children', 'dangerouslySetInnerHTML', +// TODO: This prevents the assignment of defaultValue to regular +// elements (not just inputs). Now that ReactDOMInput assigns to the +// defaultValue property -- do we need this? +'defaultValue', 'defaultChecked', 'innerHTML', 'suppressContentEditableWarning', 'suppressHydrationWarning', 'style'].forEach(function (name) { + properties[name] = new PropertyInfoRecord(name, RESERVED, false, // mustUseProperty + name, // attributeName + null); +} // attributeNamespace +); + +// A few React string attributes have a different name. +// This is a mapping from React prop names to the attribute names. +[['acceptCharset', 'accept-charset'], ['className', 'class'], ['htmlFor', 'for'], ['httpEquiv', 'http-equiv']].forEach(function (_ref) { + var name = _ref[0], + attributeName = _ref[1]; + + properties[name] = new PropertyInfoRecord(name, STRING, false, // mustUseProperty + attributeName, // attributeName + null); +} // attributeNamespace +); + +// These are "enumerated" HTML attributes that accept "true" and "false". +// In React, we let users pass `true` and `false` even though technically +// these aren't boolean attributes (they are coerced to strings). +['contentEditable', 'draggable', 'spellCheck', 'value'].forEach(function (name) { + properties[name] = new PropertyInfoRecord(name, BOOLEANISH_STRING, false, // mustUseProperty + name.toLowerCase(), // attributeName + null); +} // attributeNamespace +); + +// These are "enumerated" SVG attributes that accept "true" and "false". +// In React, we let users pass `true` and `false` even though technically +// these aren't boolean attributes (they are coerced to strings). +// Since these are SVG attributes, their attribute names are case-sensitive. +['autoReverse', 'externalResourcesRequired', 'focusable', 'preserveAlpha'].forEach(function (name) { + properties[name] = new PropertyInfoRecord(name, BOOLEANISH_STRING, false, // mustUseProperty + name, // attributeName + null); +} // attributeNamespace +); + +// These are HTML boolean attributes. +['allowFullScreen', 'async', +// Note: there is a special case that prevents it from being written to the DOM +// on the client side because the browsers are inconsistent. Instead we call focus(). +'autoFocus', 'autoPlay', 'controls', 'default', 'defer', 'disabled', 'formNoValidate', 'hidden', 'loop', 'noModule', 'noValidate', 'open', 'playsInline', 'readOnly', 'required', 'reversed', 'scoped', 'seamless', +// Microdata +'itemScope'].forEach(function (name) { + properties[name] = new PropertyInfoRecord(name, BOOLEAN, false, // mustUseProperty + name.toLowerCase(), // attributeName + null); +} // attributeNamespace +); + +// These are the few React props that we set as DOM properties +// rather than attributes. These are all booleans. +['checked', +// Note: `option.selected` is not updated if `select.multiple` is +// disabled with `removeAttribute`. We have special logic for handling this. +'multiple', 'muted', 'selected'].forEach(function (name) { + properties[name] = new PropertyInfoRecord(name, BOOLEAN, true, // mustUseProperty + name, // attributeName + null); +} // attributeNamespace +); + +// These are HTML attributes that are "overloaded booleans": they behave like +// booleans, but can also accept a string value. +['capture', 'download'].forEach(function (name) { + properties[name] = new PropertyInfoRecord(name, OVERLOADED_BOOLEAN, false, // mustUseProperty + name, // attributeName + null); +} // attributeNamespace +); + +// These are HTML attributes that must be positive numbers. +['cols', 'rows', 'size', 'span'].forEach(function (name) { + properties[name] = new PropertyInfoRecord(name, POSITIVE_NUMERIC, false, // mustUseProperty + name, // attributeName + null); +} // attributeNamespace +); + +// These are HTML attributes that must be numbers. +['rowSpan', 'start'].forEach(function (name) { + properties[name] = new PropertyInfoRecord(name, NUMERIC, false, // mustUseProperty + name.toLowerCase(), // attributeName + null); +} // attributeNamespace +); -var ReactGenericBatchingInjection = { - injectFiberBatchedUpdates: function (_batchedUpdates) { - fiberBatchedUpdates = _batchedUpdates; - } +var CAMELIZE = /[\-\:]([a-z])/g; +var capitalize = function (token) { + return token[1].toUpperCase(); }; -var injection$4 = ReactGenericBatchingInjection; +// This is a list of all SVG attributes that need special casing, namespacing, +// or boolean value assignment. Regular attributes that just accept strings +// and have the same names are omitted, just like in the HTML whitelist. +// Some of these attributes can be hard to find. This list was created by +// scrapping the MDN documentation. +['accent-height', 'alignment-baseline', 'arabic-form', 'baseline-shift', 'cap-height', 'clip-path', 'clip-rule', 'color-interpolation', 'color-interpolation-filters', 'color-profile', 'color-rendering', 'dominant-baseline', 'enable-background', 'fill-opacity', 'fill-rule', 'flood-color', 'flood-opacity', 'font-family', 'font-size', 'font-size-adjust', 'font-stretch', 'font-style', 'font-variant', 'font-weight', 'glyph-name', 'glyph-orientation-horizontal', 'glyph-orientation-vertical', 'horiz-adv-x', 'horiz-origin-x', 'image-rendering', 'letter-spacing', 'lighting-color', 'marker-end', 'marker-mid', 'marker-start', 'overline-position', 'overline-thickness', 'paint-order', 'panose-1', 'pointer-events', 'rendering-intent', 'shape-rendering', 'stop-color', 'stop-opacity', 'strikethrough-position', 'strikethrough-thickness', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'text-anchor', 'text-decoration', 'text-rendering', 'underline-position', 'underline-thickness', 'unicode-bidi', 'unicode-range', 'units-per-em', 'v-alphabetic', 'v-hanging', 'v-ideographic', 'v-mathematical', 'vector-effect', 'vert-adv-y', 'vert-origin-x', 'vert-origin-y', 'word-spacing', 'writing-mode', 'xmlns:xlink', 'x-height'].forEach(function (attributeName) { + var name = attributeName.replace(CAMELIZE, capitalize); + properties[name] = new PropertyInfoRecord(name, STRING, false, // mustUseProperty + attributeName, null); +} // attributeNamespace +); + +// String SVG attributes with the xlink namespace. +['xlink:actuate', 'xlink:arcrole', 'xlink:href', 'xlink:role', 'xlink:show', 'xlink:title', 'xlink:type'].forEach(function (attributeName) { + var name = attributeName.replace(CAMELIZE, capitalize); + properties[name] = new PropertyInfoRecord(name, STRING, false, // mustUseProperty + attributeName, 'http://www.w3.org/1999/xlink'); +}); + +// String SVG attributes with the xml namespace. +['xml:base', 'xml:lang', 'xml:space'].forEach(function (attributeName) { + var name = attributeName.replace(CAMELIZE, capitalize); + properties[name] = new PropertyInfoRecord(name, STRING, false, // mustUseProperty + attributeName, 'http://www.w3.org/XML/1998/namespace'); +}); + +// These attribute exists both in HTML and SVG. +// The attribute name is case-sensitive in SVG so we can't just use +// the React name like we do for attributes that exist only in HTML. +['tabIndex', 'crossOrigin'].forEach(function (attributeName) { + properties[attributeName] = new PropertyInfoRecord(attributeName, STRING, false, // mustUseProperty + attributeName.toLowerCase(), // attributeName + null); +} // attributeNamespace +); /** - * @see http://www.whatwg.org/specs/web-apps/current-work/multipage/the-input-element.html#input-type-attr-summary + * Get the value for a property on a node. Only used in DEV for SSR validation. + * The "expected" argument is used as a hint of what the expected value is. + * Some properties have multiple equivalent values. */ -var supportedInputTypes = { - color: true, - date: true, - datetime: true, - 'datetime-local': true, - email: true, - month: true, - number: true, - password: true, - range: true, - search: true, - tel: true, - text: true, - time: true, - url: true, - week: true -}; +function getValueForProperty(node, name, expected, propertyInfo) { + { + if (propertyInfo.mustUseProperty) { + var propertyName = propertyInfo.propertyName; -function isTextInputElement(elem) { - var nodeName = elem && elem.nodeName && elem.nodeName.toLowerCase(); + return node[propertyName]; + } else { + var attributeName = propertyInfo.attributeName; - if (nodeName === 'input') { - return !!supportedInputTypes[elem.type]; - } + var stringValue = null; - if (nodeName === 'textarea') { - return true; - } + if (propertyInfo.type === OVERLOADED_BOOLEAN) { + if (node.hasAttribute(attributeName)) { + var value = node.getAttribute(attributeName); + if (value === '') { + return true; + } + if (shouldRemoveAttribute(name, expected, propertyInfo, false)) { + return value; + } + if (value === '' + expected) { + return expected; + } + return value; + } + } else if (node.hasAttribute(attributeName)) { + if (shouldRemoveAttribute(name, expected, propertyInfo, false)) { + // We had an attribute but shouldn't have had one, so read it + // for the error message. + return node.getAttribute(attributeName); + } + if (propertyInfo.type === BOOLEAN) { + // If this was a boolean, it doesn't matter what the value is + // the fact that we have it is the same as the expected. + return expected; + } + // Even if this property uses a namespace we use getAttribute + // because we assume its namespaced name is the same as our config. + // To use getAttributeNS we need the local name which we don't have + // in our config atm. + stringValue = node.getAttribute(attributeName); + } - return false; + if (shouldRemoveAttribute(name, expected, propertyInfo, false)) { + return stringValue === null ? expected : stringValue; + } else if (stringValue === '' + expected) { + return expected; + } else { + return stringValue; + } + } + } } /** - * HTML nodeType values that represent the type of the node + * Get the value for a attribute on a node. Only used in DEV for SSR validation. + * The third argument is used as a hint of what the expected value is. Some + * attributes have multiple equivalent values. */ - -var ELEMENT_NODE = 1; -var TEXT_NODE = 3; -var COMMENT_NODE = 8; -var DOCUMENT_NODE = 9; -var DOCUMENT_FRAGMENT_NODE = 11; - -/** - * Gets the target node from a native browser event by accounting for - * inconsistencies in browser DOM APIs. - * - * @param {object} nativeEvent Native browser event. - * @return {DOMEventTarget} Target node. - */ -function getEventTarget(nativeEvent) { - var target = nativeEvent.target || nativeEvent.srcElement || window; - - // Normalize SVG element events #4963 - if (target.correspondingUseElement) { - target = target.correspondingUseElement; +function getValueForAttribute(node, name, expected) { + { + if (!isAttributeNameSafe(name)) { + return; + } + if (!node.hasAttribute(name)) { + return expected === undefined ? undefined : null; + } + var value = node.getAttribute(name); + if (value === '' + expected) { + return expected; + } + return value; } - - // Safari may fire events on text nodes (Node.TEXT_NODE is 3). - // @see http://www.quirksmode.org/js/events_properties.html - return target.nodeType === TEXT_NODE ? target.parentNode : target; -} - -var useHasFeature; -if (ExecutionEnvironment.canUseDOM) { - useHasFeature = document.implementation && document.implementation.hasFeature && - // always returns true in newer browsers as per the standard. - // @see http://dom.spec.whatwg.org/#dom-domimplementation-hasfeature - document.implementation.hasFeature('', '') !== true; } /** - * Checks if an event is supported in the current execution environment. - * - * NOTE: This will not work correctly for non-generic events such as `change`, - * `reset`, `load`, `error`, and `select`. - * - * Borrows from Modernizr. + * Sets the value for a property on a node. * - * @param {string} eventNameSuffix Event name, e.g. "click". - * @param {?boolean} capture Check if the capture phase is supported. - * @return {boolean} True if the event is supported. - * @internal - * @license Modernizr 3.0.0pre (Custom Build) | MIT + * @param {DOMElement} node + * @param {string} name + * @param {*} value */ -function isEventSupported(eventNameSuffix, capture) { - if (!ExecutionEnvironment.canUseDOM || capture && !('addEventListener' in document)) { - return false; +function setValueForProperty(node, name, value, isCustomComponentTag) { + var propertyInfo = getPropertyInfo(name); + if (shouldIgnoreAttribute(name, propertyInfo, isCustomComponentTag)) { + return; + } + if (shouldRemoveAttribute(name, value, propertyInfo, isCustomComponentTag)) { + value = null; + } + // If the prop isn't in the special list, treat it as a simple attribute. + if (isCustomComponentTag || propertyInfo === null) { + if (isAttributeNameSafe(name)) { + var _attributeName = name; + if (value === null) { + node.removeAttribute(_attributeName); + } else { + node.setAttribute(_attributeName, '' + value); + } + } + return; } + var mustUseProperty = propertyInfo.mustUseProperty; - var eventName = 'on' + eventNameSuffix; - var isSupported = eventName in document; + if (mustUseProperty) { + var propertyName = propertyInfo.propertyName; - if (!isSupported) { - var element = document.createElement('div'); - element.setAttribute(eventName, 'return;'); - isSupported = typeof element[eventName] === 'function'; - } + if (value === null) { + var type = propertyInfo.type; - if (!isSupported && useHasFeature && eventNameSuffix === 'wheel') { - // This is the only way to test support for the `wheel` event in IE9+. - isSupported = document.implementation.hasFeature('Events.wheel', '3.0'); + node[propertyName] = type === BOOLEAN ? false : ''; + } else { + // Contrary to `setAttribute`, object properties are properly + // `toString`ed by IE8/9. + node[propertyName] = value; + } + return; } + // The rest are treated as attributes with special cases. + var attributeName = propertyInfo.attributeName, + attributeNamespace = propertyInfo.attributeNamespace; - return isSupported; -} - -function isCheckable(elem) { - var type = elem.type; - var nodeName = elem.nodeName; - return nodeName && nodeName.toLowerCase() === 'input' && (type === 'checkbox' || type === 'radio'); -} + if (value === null) { + node.removeAttribute(attributeName); + } else { + var _type = propertyInfo.type; -function getTracker(node) { - return node._valueTracker; + var attributeValue = void 0; + if (_type === BOOLEAN || _type === OVERLOADED_BOOLEAN && value === true) { + attributeValue = ''; + } else { + // `setAttribute` with objects becomes only `[object]` in IE8/9, + // ('' + value) makes it output the correct toString()-value. + attributeValue = '' + value; + } + if (attributeNamespace) { + node.setAttributeNS(attributeNamespace, attributeName, attributeValue); + } else { + node.setAttribute(attributeName, attributeValue); + } + } } -function detachTracker(node) { - node._valueTracker = null; +// Flow does not allow string concatenation of most non-string types. To work +// around this limitation, we use an opaque type that can only be obtained by +// passing the value through getToStringValue first. +function toString(value) { + return '' + value; } -function getValueFromNode(node) { - var value = ''; - if (!node) { - return value; - } - - if (isCheckable(node)) { - value = node.checked ? 'true' : 'false'; - } else { - value = node.value; +function getToStringValue(value) { + switch (typeof value) { + case 'boolean': + case 'number': + case 'object': + case 'string': + case 'undefined': + return value; + default: + // function, symbol are assigned as empty strings + return ''; } - - return value; } -function trackValueOnNode(node) { - var valueField = isCheckable(node) ? 'checked' : 'value'; - var descriptor = Object.getOwnPropertyDescriptor(node.constructor.prototype, valueField); +var ReactDebugCurrentFrame$1 = null; - var currentValue = '' + node[valueField]; +var ReactControlledValuePropTypes = { + checkPropTypes: null +}; - // if someone has already defined a value or Safari, then bail - // and don't track value will cause over reporting of changes, - // but it's better then a hard failure - // (needed for certain tests that spyOn input values and Safari) - if (node.hasOwnProperty(valueField) || typeof descriptor.get !== 'function' || typeof descriptor.set !== 'function') { - return; - } +{ + ReactDebugCurrentFrame$1 = ReactSharedInternals.ReactDebugCurrentFrame; - Object.defineProperty(node, valueField, { - enumerable: descriptor.enumerable, - configurable: true, - get: function () { - return descriptor.get.call(this); - }, - set: function (value) { - currentValue = '' + value; - descriptor.set.call(this, value); - } - }); + var hasReadOnlyValue = { + button: true, + checkbox: true, + image: true, + hidden: true, + radio: true, + reset: true, + submit: true + }; - var tracker = { - getValue: function () { - return currentValue; - }, - setValue: function (value) { - currentValue = '' + value; + var propTypes = { + value: function (props, propName, componentName) { + if (hasReadOnlyValue[props.type] || props.onChange || props.readOnly || props.disabled || props[propName] == null) { + return null; + } + return new Error('You provided a `value` prop to a form field without an ' + '`onChange` handler. This will render a read-only field. If ' + 'the field should be mutable use `defaultValue`. Otherwise, ' + 'set either `onChange` or `readOnly`.'); }, - stopTracking: function () { - detachTracker(node); - delete node[valueField]; + checked: function (props, propName, componentName) { + if (props.onChange || props.readOnly || props.disabled || props[propName] == null) { + return null; + } + return new Error('You provided a `checked` prop to a form field without an ' + '`onChange` handler. This will render a read-only field. If ' + 'the field should be mutable use `defaultChecked`. Otherwise, ' + 'set either `onChange` or `readOnly`.'); } }; - return tracker; + + /** + * Provide a linked `value` attribute for controlled forms. You should not use + * this outside of the ReactDOM controlled form components. + */ + ReactControlledValuePropTypes.checkPropTypes = function (tagName, props) { + checkPropTypes(propTypes, props, 'prop', tagName, ReactDebugCurrentFrame$1.getStackAddendum); + }; } -function track(node) { - if (getTracker(node)) { - return; - } +var enableUserTimingAPI = true; - // TODO: Once it's just Fiber we can move this to node._wrapperState - node._valueTracker = trackValueOnNode(node); -} +// Helps identify side effects in begin-phase lifecycle hooks and setState reducers: +var debugRenderPhaseSideEffects = false; -function updateValueIfChanged(node) { - if (!node) { - return false; - } +// In some cases, StrictMode should also double-render lifecycles. +// This can be confusing for tests though, +// And it can be bad for performance in production. +// This feature flag can be used to control the behavior: +var debugRenderPhaseSideEffectsForStrictMode = true; - var tracker = getTracker(node); - // if there is no tracker at this point it's unlikely - // that trying again will succeed - if (!tracker) { - return true; - } +// To preserve the "Pause on caught exceptions" behavior of the debugger, we +// replay the begin phase of a failed component inside invokeGuardedCallback. +var replayFailedUnitOfWorkWithInvokeGuardedCallback = true; - var lastValue = tracker.getValue(); - var nextValue = getValueFromNode(node); - if (nextValue !== lastValue) { - tracker.setValue(nextValue); - return true; - } - return false; -} +// Warn about deprecated, async-unsafe lifecycles; relates to RFC #6: +var warnAboutDeprecatedLifecycles = false; -var eventTypes$1 = { - change: { - phasedRegistrationNames: { - bubbled: 'onChange', - captured: 'onChangeCapture' - }, - dependencies: ['topBlur', 'topChange', 'topClick', 'topFocus', 'topInput', 'topKeyDown', 'topKeyUp', 'topSelectionChange'] - } -}; +// Gather advanced timing metrics for Profiler subtrees. +var enableProfilerTimer = true; -function createAndAccumulateChangeEvent(inst, nativeEvent, target) { - var event = SyntheticEvent$1.getPooled(eventTypes$1.change, inst, nativeEvent, target); - event.type = 'change'; - // Flag this event loop as needing state restore. - enqueueStateRestore(target); - accumulateTwoPhaseDispatches(event); - return event; -} -/** - * For IE shims - */ -var activeElement = null; -var activeElementInst = null; +// Trace which interactions trigger each commit. +var enableSchedulerTracing = true; -/** - * SECTION: handle `change` event - */ -function shouldUseChangeEvent(elem) { - var nodeName = elem.nodeName && elem.nodeName.toLowerCase(); - return nodeName === 'select' || nodeName === 'input' && elem.type === 'file'; -} +// Only used in www builds. +var enableSuspenseServerRenderer = false; // TODO: true? Here it might just be false. -function manualDispatchChangeEvent(nativeEvent) { - var event = createAndAccumulateChangeEvent(activeElementInst, nativeEvent, getEventTarget(nativeEvent)); +// Only used in www builds. - // If change and propertychange bubbled, we'd just bind to it like all the - // other events and have it go through ReactBrowserEventEmitter. Since it - // doesn't, we manually listen for the events and so we have to enqueue and - // process the abstract event manually. - // - // Batching is necessary here in order to ensure that all event handlers run - // before the next rerender (including event handlers attached to ancestor - // elements instead of directly on the input). Without this, controlled - // components don't work properly in conjunction with event bubbling because - // the component is rerendered and the value reverted before all the event - // handlers can run. See https://github.com/facebook/react/issues/708. - batchedUpdates(runEventInBatch, event); -} -function runEventInBatch(event) { - enqueueEvents(event); - processEventQueue(false); -} +// Only used in www builds. -function getInstIfValueChanged(targetInst) { - var targetNode = getNodeFromInstance$1(targetInst); - if (updateValueIfChanged(targetNode)) { - return targetInst; - } -} -function getTargetInstForChangeEvent(topLevelType, targetInst) { - if (topLevelType === 'topChange') { - return targetInst; - } -} +// React Fire: prevent the value and checked attributes from syncing +// with their related DOM properties +var disableInputAttributeSyncing = false; -/** - * SECTION: handle `input` event - */ -var isInputEventSupported = false; -if (ExecutionEnvironment.canUseDOM) { - // IE9 claims to support the input event but fails to trigger it when - // deleting text, so we ignore its input events. - isInputEventSupported = isEventSupported('input') && (!document.documentMode || document.documentMode > 9); -} +// These APIs will no longer be "unstable" in the upcoming 16.7 release, +// Control this behavior with a flag to support 16.6 minor releases in the meanwhile. +var enableStableConcurrentModeAPIs = false; -/** - * (For IE <=9) Starts tracking propertychange events on the passed-in element - * and override the value property so that we can distinguish user events from - * value changes in JS. - */ -function startWatchingForValueChange(target, targetInst) { - activeElement = target; - activeElementInst = targetInst; - activeElement.attachEvent('onpropertychange', handlePropertyChange); -} +var warnAboutShorthandPropertyCollision = false; -/** - * (For IE <=9) Removes the event listeners from the currently-tracked element, - * if any exists. - */ -function stopWatchingForValueChange() { - if (!activeElement) { - return; - } - activeElement.detachEvent('onpropertychange', handlePropertyChange); - activeElement = null; - activeElementInst = null; +// TODO: direct imports like some-package/src/* are bad. Fix me. +var didWarnValueDefaultValue = false; +var didWarnCheckedDefaultChecked = false; +var didWarnControlledToUncontrolled = false; +var didWarnUncontrolledToControlled = false; + +function isControlled(props) { + var usesChecked = props.type === 'checkbox' || props.type === 'radio'; + return usesChecked ? props.checked != null : props.value != null; } /** - * (For IE <=9) Handles a propertychange event, sending a `change` event if - * the value of the active element has changed. + * Implements an host component that allows setting these optional + * props: `checked`, `value`, `defaultChecked`, and `defaultValue`. + * + * If `checked` or `value` are not supplied (or null/undefined), user actions + * that affect the checked state or value will trigger updates to the element. + * + * If they are supplied (and not null/undefined), the rendered element will not + * trigger updates to the element. Instead, the props must change in order for + * the rendered element to be updated. + * + * The rendered element will be initialized as unchecked (or `defaultChecked`) + * with an empty value (or `defaultValue`). + * + * See http://www.w3.org/TR/2012/WD-html5-20121025/the-input-element.html */ -function handlePropertyChange(nativeEvent) { - if (nativeEvent.propertyName !== 'value') { - return; - } - if (getInstIfValueChanged(activeElementInst)) { - manualDispatchChangeEvent(nativeEvent); - } -} -function handleEventsForInputEventPolyfill(topLevelType, target, targetInst) { - if (topLevelType === 'topFocus') { - // In IE9, propertychange fires for most input events but is buggy and - // doesn't fire when text is deleted, but conveniently, selectionchange - // appears to fire in all of the remaining cases so we catch those and - // forward the event if the value has changed - // In either case, we don't want to call the event handler if the value - // is changed from JS so we redefine a setter for `.value` that updates - // our activeElementValue variable, allowing us to ignore those changes - // - // stopWatching() should be a noop here but we call it just in case we - // missed a blur event somehow. - stopWatchingForValueChange(); - startWatchingForValueChange(target, targetInst); - } else if (topLevelType === 'topBlur') { - stopWatchingForValueChange(); - } -} +function getHostProps(element, props) { + var node = element; + var checked = props.checked; -// For IE8 and IE9. -function getTargetInstForInputEventPolyfill(topLevelType, targetInst) { - if (topLevelType === 'topSelectionChange' || topLevelType === 'topKeyUp' || topLevelType === 'topKeyDown') { - // On the selectionchange event, the target is just document which isn't - // helpful for us so just check activeElement instead. - // - // 99% of the time, keydown and keyup aren't necessary. IE8 fails to fire - // propertychange on the first input event after setting `value` from a - // script and fires only keydown, keypress, keyup. Catching keyup usually - // gets it and catching keydown lets us fire an event for the first - // keystroke if user does a key repeat (it'll be a little delayed: right - // before the second keystroke). Other input methods (e.g., paste) seem to - // fire selectionchange normally. - return getInstIfValueChanged(activeElementInst); - } -} + var hostProps = _assign({}, props, { + defaultChecked: undefined, + defaultValue: undefined, + value: undefined, + checked: checked != null ? checked : node._wrapperState.initialChecked + }); -/** - * SECTION: handle `click` event - */ -function shouldUseClickEvent(elem) { - // Use the `click` event to detect changes to checkbox and radio inputs. - // This approach works across all browsers, whereas `change` does not fire - // until `blur` in IE8. - var nodeName = elem.nodeName; - return nodeName && nodeName.toLowerCase() === 'input' && (elem.type === 'checkbox' || elem.type === 'radio'); + return hostProps; } -function getTargetInstForClickEvent(topLevelType, targetInst) { - if (topLevelType === 'topClick') { - return getInstIfValueChanged(targetInst); +function initWrapperState(element, props) { + { + ReactControlledValuePropTypes.checkPropTypes('input', props); + + if (props.checked !== undefined && props.defaultChecked !== undefined && !didWarnCheckedDefaultChecked) { + warning$1(false, '%s contains an input of type %s with both checked and defaultChecked props. ' + 'Input elements must be either controlled or uncontrolled ' + '(specify either the checked prop, or the defaultChecked prop, but not ' + 'both). Decide between using a controlled or uncontrolled input ' + 'element and remove one of these props. More info: ' + 'https://fb.me/react-controlled-components', getCurrentFiberOwnerNameInDevOrNull() || 'A component', props.type); + didWarnCheckedDefaultChecked = true; + } + if (props.value !== undefined && props.defaultValue !== undefined && !didWarnValueDefaultValue) { + warning$1(false, '%s contains an input of type %s with both value and defaultValue props. ' + 'Input elements must be either controlled or uncontrolled ' + '(specify either the value prop, or the defaultValue prop, but not ' + 'both). Decide between using a controlled or uncontrolled input ' + 'element and remove one of these props. More info: ' + 'https://fb.me/react-controlled-components', getCurrentFiberOwnerNameInDevOrNull() || 'A component', props.type); + didWarnValueDefaultValue = true; + } } + + var node = element; + var defaultValue = props.defaultValue == null ? '' : props.defaultValue; + + node._wrapperState = { + initialChecked: props.checked != null ? props.checked : props.defaultChecked, + initialValue: getToStringValue(props.value != null ? props.value : defaultValue), + controlled: isControlled(props) + }; } -function getTargetInstForInputOrChangeEvent(topLevelType, targetInst) { - if (topLevelType === 'topInput' || topLevelType === 'topChange') { - return getInstIfValueChanged(targetInst); +function updateChecked(element, props) { + var node = element; + var checked = props.checked; + if (checked != null) { + setValueForProperty(node, 'checked', checked, false); } } -function handleControlledInputBlur(inst, node) { - // TODO: In IE, inst is occasionally null. Why? - if (inst == null) { - return; +function updateWrapper(element, props) { + var node = element; + { + var _controlled = isControlled(props); + + if (!node._wrapperState.controlled && _controlled && !didWarnUncontrolledToControlled) { + warning$1(false, 'A component is changing an uncontrolled input of type %s to be controlled. ' + 'Input elements should not switch from uncontrolled to controlled (or vice versa). ' + 'Decide between using a controlled or uncontrolled input ' + 'element for the lifetime of the component. More info: https://fb.me/react-controlled-components', props.type); + didWarnUncontrolledToControlled = true; + } + if (node._wrapperState.controlled && !_controlled && !didWarnControlledToUncontrolled) { + warning$1(false, 'A component is changing a controlled input of type %s to be uncontrolled. ' + 'Input elements should not switch from controlled to uncontrolled (or vice versa). ' + 'Decide between using a controlled or uncontrolled input ' + 'element for the lifetime of the component. More info: https://fb.me/react-controlled-components', props.type); + didWarnControlledToUncontrolled = true; + } } - // Fiber and ReactDOM keep wrapper state in separate places - var state = inst._wrapperState || node._wrapperState; + updateChecked(element, props); + + var value = getToStringValue(props.value); + var type = props.type; - if (!state || !state.controlled || node.type !== 'number') { + if (value != null) { + if (type === 'number') { + if (value === 0 && node.value === '' || + // We explicitly want to coerce to number here if possible. + // eslint-disable-next-line + node.value != value) { + node.value = toString(value); + } + } else if (node.value !== toString(value)) { + node.value = toString(value); + } + } else if (type === 'submit' || type === 'reset') { + // Submit/reset inputs need the attribute removed completely to avoid + // blank-text buttons. + node.removeAttribute('value'); return; } - // If controlled, assign the value attribute to the current value on blur - var value = '' + node.value; - if (node.getAttribute('value') !== value) { - node.setAttribute('value', value); + if (disableInputAttributeSyncing) { + // When not syncing the value attribute, React only assigns a new value + // whenever the defaultValue React prop has changed. When not present, + // React does nothing + if (props.hasOwnProperty('defaultValue')) { + setDefaultValue(node, props.type, getToStringValue(props.defaultValue)); + } + } else { + // When syncing the value attribute, the value comes from a cascade of + // properties: + // 1. The value React property + // 2. The defaultValue React property + // 3. Otherwise there should be no change + if (props.hasOwnProperty('value')) { + setDefaultValue(node, props.type, value); + } else if (props.hasOwnProperty('defaultValue')) { + setDefaultValue(node, props.type, getToStringValue(props.defaultValue)); + } + } + + if (disableInputAttributeSyncing) { + // When not syncing the checked attribute, the attribute is directly + // controllable from the defaultValue React property. It needs to be + // updated as new props come in. + if (props.defaultChecked == null) { + node.removeAttribute('checked'); + } else { + node.defaultChecked = !!props.defaultChecked; + } + } else { + // When syncing the checked attribute, it only changes when it needs + // to be removed, such as transitioning from a checkbox into a text input + if (props.checked == null && props.defaultChecked != null) { + node.defaultChecked = !!props.defaultChecked; + } } } -/** - * This plugin creates an `onChange` event that normalizes change events - * across form elements. This event fires at a time when it's possible to - * change the element's value without seeing a flicker. - * - * Supported elements are: - * - input (see `isTextInputElement`) - * - textarea - * - select - */ -var ChangeEventPlugin = { - eventTypes: eventTypes$1, +function postMountWrapper(element, props, isHydrating) { + var node = element; - _isInputEventSupported: isInputEventSupported, + // Do not assign value if it is already set. This prevents user text input + // from being lost during SSR hydration. + if (props.hasOwnProperty('value') || props.hasOwnProperty('defaultValue')) { + var type = props.type; + var isButton = type === 'submit' || type === 'reset'; - extractEvents: function (topLevelType, targetInst, nativeEvent, nativeEventTarget) { - var targetNode = targetInst ? getNodeFromInstance$1(targetInst) : window; + // Avoid setting value attribute on submit/reset inputs as it overrides the + // default value provided by the browser. See: #12872 + if (isButton && (props.value === undefined || props.value === null)) { + return; + } - var getTargetInstFunc, handleEventFunc; - if (shouldUseChangeEvent(targetNode)) { - getTargetInstFunc = getTargetInstForChangeEvent; - } else if (isTextInputElement(targetNode)) { - if (isInputEventSupported) { - getTargetInstFunc = getTargetInstForInputOrChangeEvent; + var _initialValue = toString(node._wrapperState.initialValue); + + // Do not assign value if it is already set. This prevents user text input + // from being lost during SSR hydration. + if (!isHydrating) { + if (disableInputAttributeSyncing) { + var value = getToStringValue(props.value); + + // When not syncing the value attribute, the value property points + // directly to the React prop. Only assign it if it exists. + if (value != null) { + // Always assign on buttons so that it is possible to assign an + // empty string to clear button text. + // + // Otherwise, do not re-assign the value property if is empty. This + // potentially avoids a DOM write and prevents Firefox (~60.0.1) from + // prematurely marking required inputs as invalid. Equality is compared + // to the current value in case the browser provided value is not an + // empty string. + if (isButton || value !== node.value) { + node.value = toString(value); + } + } } else { - getTargetInstFunc = getTargetInstForInputEventPolyfill; - handleEventFunc = handleEventsForInputEventPolyfill; + // When syncing the value attribute, the value property should use + // the wrapperState._initialValue property. This uses: + // + // 1. The value React property when present + // 2. The defaultValue React property when present + // 3. An empty string + if (_initialValue !== node.value) { + node.value = _initialValue; + } } - } else if (shouldUseClickEvent(targetNode)) { - getTargetInstFunc = getTargetInstForClickEvent; } - if (getTargetInstFunc) { - var inst = getTargetInstFunc(topLevelType, targetInst); - if (inst) { - var event = createAndAccumulateChangeEvent(inst, nativeEvent, nativeEventTarget); - return event; + if (disableInputAttributeSyncing) { + // When not syncing the value attribute, assign the value attribute + // directly from the defaultValue React property (when present) + var defaultValue = getToStringValue(props.defaultValue); + if (defaultValue != null) { + node.defaultValue = toString(defaultValue); } + } else { + // Otherwise, the value attribute is synchronized to the property, + // so we assign defaultValue to the same thing as the value property + // assignment step above. + node.defaultValue = _initialValue; } + } - if (handleEventFunc) { - handleEventFunc(topLevelType, targetNode, targetInst); + // Normally, we'd just do `node.checked = node.checked` upon initial mount, less this bug + // this is needed to work around a chrome bug where setting defaultChecked + // will sometimes influence the value of checked (even after detachment). + // Reference: https://bugs.chromium.org/p/chromium/issues/detail?id=608416 + // We need to temporarily unset name to avoid disrupting radio button groups. + var name = node.name; + if (name !== '') { + node.name = ''; + } + + if (disableInputAttributeSyncing) { + // When not syncing the checked attribute, the checked property + // never gets assigned. It must be manually set. We don't want + // to do this when hydrating so that existing user input isn't + // modified + if (!isHydrating) { + updateChecked(element, props); } - // When blurring, set the value attribute for number inputs - if (topLevelType === 'topBlur') { - handleControlledInputBlur(targetInst, targetNode); + // Only assign the checked attribute if it is defined. This saves + // a DOM write when controlling the checked attribute isn't needed + // (text inputs, submit/reset) + if (props.hasOwnProperty('defaultChecked')) { + node.defaultChecked = !node.defaultChecked; + node.defaultChecked = !!props.defaultChecked; } + } else { + // When syncing the checked attribute, both the checked property and + // attribute are assigned at the same time using defaultChecked. This uses: + // + // 1. The checked React property when present + // 2. The defaultChecked React property when present + // 3. Otherwise, false + node.defaultChecked = !node.defaultChecked; + node.defaultChecked = !!node._wrapperState.initialChecked; } -}; - -/** - * Module that is injectable into `EventPluginHub`, that specifies a - * deterministic ordering of `EventPlugin`s. A convenient way to reason about - * plugins, without having to package every one of them. This is better than - * having plugins be ordered in the same order that they are injected because - * that ordering would be influenced by the packaging order. - * `ResponderEventPlugin` must occur before `SimpleEventPlugin` so that - * preventing default on events is convenient in `SimpleEventPlugin` handlers. - */ -var DOMEventPluginOrder = ['ResponderEventPlugin', 'SimpleEventPlugin', 'TapEventPlugin', 'EnterLeaveEventPlugin', 'ChangeEventPlugin', 'SelectEventPlugin', 'BeforeInputEventPlugin']; -/** - * @interface UIEvent - * @see http://www.w3.org/TR/DOM-Level-3-Events/ - */ -var UIEventInterface = { - view: null, - detail: null -}; + if (name !== '') { + node.name = name; + } +} -/** - * @param {object} dispatchConfig Configuration used to dispatch this event. - * @param {string} dispatchMarker Marker identifying the event target. - * @param {object} nativeEvent Native browser event. - * @extends {SyntheticEvent} - */ -function SyntheticUIEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) { - return SyntheticEvent$1.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget); +function restoreControlledState(element, props) { + var node = element; + updateWrapper(node, props); + updateNamedCousins(node, props); } -SyntheticEvent$1.augmentClass(SyntheticUIEvent, UIEventInterface); +function updateNamedCousins(rootNode, props) { + var name = props.name; + if (props.type === 'radio' && name != null) { + var queryRoot = rootNode; -/** - * Translation from modifier key to the associated property in the event. - * @see http://www.w3.org/TR/DOM-Level-3-Events/#keys-Modifiers - */ + while (queryRoot.parentNode) { + queryRoot = queryRoot.parentNode; + } -var modifierKeyToProp = { - Alt: 'altKey', - Control: 'ctrlKey', - Meta: 'metaKey', - Shift: 'shiftKey' -}; + // If `rootNode.form` was non-null, then we could try `form.elements`, + // but that sometimes behaves strangely in IE8. We could also try using + // `form.getElementsByName`, but that will only return direct children + // and won't include inputs that use the HTML5 `form=` attribute. Since + // the input might not even be in a form. It might not even be in the + // document. Let's just use the local `querySelectorAll` to ensure we don't + // miss anything. + var group = queryRoot.querySelectorAll('input[name=' + JSON.stringify('' + name) + '][type="radio"]'); -// IE8 does not implement getModifierState so we simply map it to the only -// modifier keys exposed by the event itself, does not support Lock-keys. -// Currently, all major browsers except Chrome seems to support Lock-keys. -function modifierStateGetter(keyArg) { - var syntheticEvent = this; - var nativeEvent = syntheticEvent.nativeEvent; - if (nativeEvent.getModifierState) { - return nativeEvent.getModifierState(keyArg); + for (var i = 0; i < group.length; i++) { + var otherNode = group[i]; + if (otherNode === rootNode || otherNode.form !== rootNode.form) { + continue; + } + // This will throw if radio buttons rendered by different copies of React + // and the same name are rendered into the same form (same as #1939). + // That's probably okay; we don't support it just as we don't support + // mixing React radio buttons with non-React ones. + var otherProps = getFiberCurrentPropsFromNode$1(otherNode); + !otherProps ? invariant(false, 'ReactDOMInput: Mixing React and non-React radio inputs with the same `name` is not supported.') : void 0; + + // We need update the tracked value on the named cousin since the value + // was changed but the input saw no event or value set + updateValueIfChanged(otherNode); + + // If this is a controlled radio button group, forcing the input that + // was previously checked to update will cause it to be come re-checked + // as appropriate. + updateWrapper(otherNode, otherProps); + } } - var keyProp = modifierKeyToProp[keyArg]; - return keyProp ? !!nativeEvent[keyProp] : false; } -function getEventModifierState(nativeEvent) { - return modifierStateGetter; +// In Chrome, assigning defaultValue to certain input types triggers input validation. +// For number inputs, the display value loses trailing decimal points. For email inputs, +// Chrome raises "The specified value is not a valid email address". +// +// Here we check to see if the defaultValue has actually changed, avoiding these problems +// when the user is inputting text +// +// https://github.com/facebook/react/issues/7253 +function setDefaultValue(node, type, value) { + if ( + // Focused number inputs synchronize on blur. See ChangeEventPlugin.js + type !== 'number' || node.ownerDocument.activeElement !== node) { + if (value == null) { + node.defaultValue = toString(node._wrapperState.initialValue); + } else if (node.defaultValue !== toString(value)) { + node.defaultValue = toString(value); + } + } } -/** - * @interface MouseEvent - * @see http://www.w3.org/TR/DOM-Level-3-Events/ - */ -var MouseEventInterface = { - screenX: null, - screenY: null, - clientX: null, - clientY: null, - pageX: null, - pageY: null, - ctrlKey: null, - shiftKey: null, - altKey: null, - metaKey: null, - getModifierState: getEventModifierState, - button: null, - buttons: null, - relatedTarget: function (event) { - return event.relatedTarget || (event.fromElement === event.srcElement ? event.toElement : event.fromElement); +var eventTypes$1 = { + change: { + phasedRegistrationNames: { + bubbled: 'onChange', + captured: 'onChangeCapture' + }, + dependencies: [TOP_BLUR, TOP_CHANGE, TOP_CLICK, TOP_FOCUS, TOP_INPUT, TOP_KEY_DOWN, TOP_KEY_UP, TOP_SELECTION_CHANGE] } }; +function createAndAccumulateChangeEvent(inst, nativeEvent, target) { + var event = SyntheticEvent.getPooled(eventTypes$1.change, inst, nativeEvent, target); + event.type = 'change'; + // Flag this event loop as needing state restore. + enqueueStateRestore(target); + accumulateTwoPhaseDispatches(event); + return event; +} /** - * @param {object} dispatchConfig Configuration used to dispatch this event. - * @param {string} dispatchMarker Marker identifying the event target. - * @param {object} nativeEvent Native browser event. - * @extends {SyntheticUIEvent} + * For IE shims */ -function SyntheticMouseEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) { - return SyntheticUIEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget); -} - -SyntheticUIEvent.augmentClass(SyntheticMouseEvent, MouseEventInterface); - -var eventTypes$2 = { - mouseEnter: { - registrationName: 'onMouseEnter', - dependencies: ['topMouseOut', 'topMouseOver'] - }, - mouseLeave: { - registrationName: 'onMouseLeave', - dependencies: ['topMouseOut', 'topMouseOver'] - } -}; - -var EnterLeaveEventPlugin = { - eventTypes: eventTypes$2, - - /** - * For almost every interaction we care about, there will be both a top-level - * `mouseover` and `mouseout` event that occurs. Only use `mouseout` so that - * we do not extract duplicate events. However, moving the mouse into the - * browser from outside will not fire a `mouseout` event. In this case, we use - * the `mouseover` top-level event. - */ - extractEvents: function (topLevelType, targetInst, nativeEvent, nativeEventTarget) { - if (topLevelType === 'topMouseOver' && (nativeEvent.relatedTarget || nativeEvent.fromElement)) { - return null; - } - if (topLevelType !== 'topMouseOut' && topLevelType !== 'topMouseOver') { - // Must not be a mouse in or mouse out - ignoring. - return null; - } - - var win; - if (nativeEventTarget.window === nativeEventTarget) { - // `nativeEventTarget` is probably a window object. - win = nativeEventTarget; - } else { - // TODO: Figure out why `ownerDocument` is sometimes undefined in IE8. - var doc = nativeEventTarget.ownerDocument; - if (doc) { - win = doc.defaultView || doc.parentWindow; - } else { - win = window; - } - } - - var from; - var to; - if (topLevelType === 'topMouseOut') { - from = targetInst; - var related = nativeEvent.relatedTarget || nativeEvent.toElement; - to = related ? getClosestInstanceFromNode(related) : null; - } else { - // Moving to a node from outside the window. - from = null; - to = targetInst; - } +var activeElement = null; +var activeElementInst = null; - if (from === to) { - // Nothing pertains to our managed components. - return null; - } +/** + * SECTION: handle `change` event + */ +function shouldUseChangeEvent(elem) { + var nodeName = elem.nodeName && elem.nodeName.toLowerCase(); + return nodeName === 'select' || nodeName === 'input' && elem.type === 'file'; +} - var fromNode = from == null ? win : getNodeFromInstance$1(from); - var toNode = to == null ? win : getNodeFromInstance$1(to); +function manualDispatchChangeEvent(nativeEvent) { + var event = createAndAccumulateChangeEvent(activeElementInst, nativeEvent, getEventTarget(nativeEvent)); - var leave = SyntheticMouseEvent.getPooled(eventTypes$2.mouseLeave, from, nativeEvent, nativeEventTarget); - leave.type = 'mouseleave'; - leave.target = fromNode; - leave.relatedTarget = toNode; + // If change and propertychange bubbled, we'd just bind to it like all the + // other events and have it go through ReactBrowserEventEmitter. Since it + // doesn't, we manually listen for the events and so we have to enqueue and + // process the abstract event manually. + // + // Batching is necessary here in order to ensure that all event handlers run + // before the next rerender (including event handlers attached to ancestor + // elements instead of directly on the input). Without this, controlled + // components don't work properly in conjunction with event bubbling because + // the component is rerendered and the value reverted before all the event + // handlers can run. See https://github.com/facebook/react/issues/708. + batchedUpdates(runEventInBatch, event); +} - var enter = SyntheticMouseEvent.getPooled(eventTypes$2.mouseEnter, to, nativeEvent, nativeEventTarget); - enter.type = 'mouseenter'; - enter.target = toNode; - enter.relatedTarget = fromNode; +function runEventInBatch(event) { + runEventsInBatch(event); +} - accumulateEnterLeaveDispatches(leave, enter, from, to); +function getInstIfValueChanged(targetInst) { + var targetNode = getNodeFromInstance$1(targetInst); + if (updateValueIfChanged(targetNode)) { + return targetInst; + } +} - return [leave, enter]; +function getTargetInstForChangeEvent(topLevelType, targetInst) { + if (topLevelType === TOP_CHANGE) { + return targetInst; } -}; +} /** - * `ReactInstanceMap` maintains a mapping from a public facing stateful - * instance (key) and the internal representation (value). This allows public - * methods to accept the user facing instance as an argument and map them back - * to internal methods. - * - * Note that this module is currently shared and assumed to be stateless. - * If this becomes an actual Map, that will break. + * SECTION: handle `input` event */ +var isInputEventSupported = false; +if (canUseDOM) { + // IE9 claims to support the input event but fails to trigger it when + // deleting text, so we ignore its input events. + isInputEventSupported = isEventSupported('input') && (!document.documentMode || document.documentMode > 9); +} /** - * This API should be called `delete` but we'd have to make sure to always - * transform these to strings for IE support. When this transform is fully - * supported we can rename it. + * (For IE <=9) Starts tracking propertychange events on the passed-in element + * and override the value property so that we can distinguish user events from + * value changes in JS. */ - - -function get(key) { - return key._reactInternalFiber; +function startWatchingForValueChange(target, targetInst) { + activeElement = target; + activeElementInst = targetInst; + activeElement.attachEvent('onpropertychange', handlePropertyChange); } -function has(key) { - return key._reactInternalFiber !== undefined; +/** + * (For IE <=9) Removes the event listeners from the currently-tracked element, + * if any exists. + */ +function stopWatchingForValueChange() { + if (!activeElement) { + return; + } + activeElement.detachEvent('onpropertychange', handlePropertyChange); + activeElement = null; + activeElementInst = null; } -function set(key, value) { - key._reactInternalFiber = value; +/** + * (For IE <=9) Handles a propertychange event, sending a `change` event if + * the value of the active element has changed. + */ +function handlePropertyChange(nativeEvent) { + if (nativeEvent.propertyName !== 'value') { + return; + } + if (getInstIfValueChanged(activeElementInst)) { + manualDispatchChangeEvent(nativeEvent); + } } -var ReactInternals = React.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED; - -var ReactCurrentOwner = ReactInternals.ReactCurrentOwner; -var ReactDebugCurrentFrame = ReactInternals.ReactDebugCurrentFrame; - -function getComponentName(fiber) { - var type = fiber.type; - - if (typeof type === 'string') { - return type; - } - if (typeof type === 'function') { - return type.displayName || type.name; +function handleEventsForInputEventPolyfill(topLevelType, target, targetInst) { + if (topLevelType === TOP_FOCUS) { + // In IE9, propertychange fires for most input events but is buggy and + // doesn't fire when text is deleted, but conveniently, selectionchange + // appears to fire in all of the remaining cases so we catch those and + // forward the event if the value has changed + // In either case, we don't want to call the event handler if the value + // is changed from JS so we redefine a setter for `.value` that updates + // our activeElementValue variable, allowing us to ignore those changes + // + // stopWatching() should be a noop here but we call it just in case we + // missed a blur event somehow. + stopWatchingForValueChange(); + startWatchingForValueChange(target, targetInst); + } else if (topLevelType === TOP_BLUR) { + stopWatchingForValueChange(); } - return null; } -// Don't change these two values: -var NoEffect = 0; // 0b00000000 -var PerformedWork = 1; // 0b00000001 - -// You can change the rest (and add more). -var Placement = 2; // 0b00000010 -var Update = 4; // 0b00000100 -var PlacementAndUpdate = 6; // 0b00000110 -var Deletion = 8; // 0b00001000 -var ContentReset = 16; // 0b00010000 -var Callback = 32; // 0b00100000 -var Err = 64; // 0b01000000 -var Ref = 128; // 0b10000000 +// For IE8 and IE9. +function getTargetInstForInputEventPolyfill(topLevelType, targetInst) { + if (topLevelType === TOP_SELECTION_CHANGE || topLevelType === TOP_KEY_UP || topLevelType === TOP_KEY_DOWN) { + // On the selectionchange event, the target is just document which isn't + // helpful for us so just check activeElement instead. + // + // 99% of the time, keydown and keyup aren't necessary. IE8 fails to fire + // propertychange on the first input event after setting `value` from a + // script and fires only keydown, keypress, keyup. Catching keyup usually + // gets it and catching keydown lets us fire an event for the first + // keystroke if user does a key repeat (it'll be a little delayed: right + // before the second keystroke). Other input methods (e.g., paste) seem to + // fire selectionchange normally. + return getInstIfValueChanged(activeElementInst); + } +} -var MOUNTING = 1; -var MOUNTED = 2; -var UNMOUNTED = 3; +/** + * SECTION: handle `click` event + */ +function shouldUseClickEvent(elem) { + // Use the `click` event to detect changes to checkbox and radio inputs. + // This approach works across all browsers, whereas `change` does not fire + // until `blur` in IE8. + var nodeName = elem.nodeName; + return nodeName && nodeName.toLowerCase() === 'input' && (elem.type === 'checkbox' || elem.type === 'radio'); +} -function isFiberMountedImpl(fiber) { - var node = fiber; - if (!fiber.alternate) { - // If there is no alternate, this might be a new tree that isn't inserted - // yet. If it is, then it will have a pending insertion effect on it. - if ((node.effectTag & Placement) !== NoEffect) { - return MOUNTING; - } - while (node['return']) { - node = node['return']; - if ((node.effectTag & Placement) !== NoEffect) { - return MOUNTING; - } - } - } else { - while (node['return']) { - node = node['return']; - } - } - if (node.tag === HostRoot) { - // TODO: Check if this was a nested HostRoot when used with - // renderContainerIntoSubtree. - return MOUNTED; +function getTargetInstForClickEvent(topLevelType, targetInst) { + if (topLevelType === TOP_CLICK) { + return getInstIfValueChanged(targetInst); } - // If we didn't hit the root, that means that we're in an disconnected tree - // that has been unmounted. - return UNMOUNTED; } -function isFiberMounted(fiber) { - return isFiberMountedImpl(fiber) === MOUNTED; +function getTargetInstForInputOrChangeEvent(topLevelType, targetInst) { + if (topLevelType === TOP_INPUT || topLevelType === TOP_CHANGE) { + return getInstIfValueChanged(targetInst); + } } -function isMounted(component) { - { - var owner = ReactCurrentOwner.current; - if (owner !== null && owner.tag === ClassComponent) { - var ownerFiber = owner; - var instance = ownerFiber.stateNode; - warning(instance._warnedAboutRefsInRender, '%s is accessing isMounted inside its render() function. ' + 'render() should be a pure function of props and state. It should ' + 'never access something that requires stale data from the previous ' + 'render, such as refs. Move this logic to componentDidMount and ' + 'componentDidUpdate instead.', getComponentName(ownerFiber) || 'A component'); - instance._warnedAboutRefsInRender = true; - } +function handleControlledInputBlur(node) { + var state = node._wrapperState; + + if (!state || !state.controlled || node.type !== 'number') { + return; } - var fiber = get(component); - if (!fiber) { - return false; + if (!disableInputAttributeSyncing) { + // If controlled, assign the value attribute to the current value on blur + setDefaultValue(node, 'number', node.value); } - return isFiberMountedImpl(fiber) === MOUNTED; } -function assertIsMounted(fiber) { - !(isFiberMountedImpl(fiber) === MOUNTED) ? invariant(false, 'Unable to find node on an unmounted component.') : void 0; -} +/** + * This plugin creates an `onChange` event that normalizes change events + * across form elements. This event fires at a time when it's possible to + * change the element's value without seeing a flicker. + * + * Supported elements are: + * - input (see `isTextInputElement`) + * - textarea + * - select + */ +var ChangeEventPlugin = { + eventTypes: eventTypes$1, -function findCurrentFiberUsingSlowPath(fiber) { - var alternate = fiber.alternate; - if (!alternate) { - // If there is no alternate, then we only need to check if it is mounted. - var state = isFiberMountedImpl(fiber); - !(state !== UNMOUNTED) ? invariant(false, 'Unable to find node on an unmounted component.') : void 0; - if (state === MOUNTING) { - return null; - } - return fiber; - } - // If we have two possible branches, we'll walk backwards up to the root - // to see what path the root points to. On the way we may hit one of the - // special cases and we'll deal with them. - var a = fiber; - var b = alternate; - while (true) { - var parentA = a['return']; - var parentB = parentA ? parentA.alternate : null; - if (!parentA || !parentB) { - // We're at the root. - break; - } + _isInputEventSupported: isInputEventSupported, - // If both copies of the parent fiber point to the same child, we can - // assume that the child is current. This happens when we bailout on low - // priority: the bailed out fiber's child reuses the current child. - if (parentA.child === parentB.child) { - var child = parentA.child; - while (child) { - if (child === a) { - // We've determined that A is the current branch. - assertIsMounted(parentA); - return fiber; - } - if (child === b) { - // We've determined that B is the current branch. - assertIsMounted(parentA); - return alternate; - } - child = child.sibling; + extractEvents: function (topLevelType, targetInst, nativeEvent, nativeEventTarget) { + var targetNode = targetInst ? getNodeFromInstance$1(targetInst) : window; + + var getTargetInstFunc = void 0, + handleEventFunc = void 0; + if (shouldUseChangeEvent(targetNode)) { + getTargetInstFunc = getTargetInstForChangeEvent; + } else if (isTextInputElement(targetNode)) { + if (isInputEventSupported) { + getTargetInstFunc = getTargetInstForInputOrChangeEvent; + } else { + getTargetInstFunc = getTargetInstForInputEventPolyfill; + handleEventFunc = handleEventsForInputEventPolyfill; } - // We should never have an alternate for any mounting node. So the only - // way this could possibly happen is if this was unmounted, if at all. - invariant(false, 'Unable to find node on an unmounted component.'); + } else if (shouldUseClickEvent(targetNode)) { + getTargetInstFunc = getTargetInstForClickEvent; } - if (a['return'] !== b['return']) { - // The return pointer of A and the return pointer of B point to different - // fibers. We assume that return pointers never criss-cross, so A must - // belong to the child set of A.return, and B must belong to the child - // set of B.return. - a = parentA; - b = parentB; - } else { - // The return pointers point to the same fiber. We'll have to use the - // default, slow path: scan the child sets of each parent alternate to see - // which child belongs to which set. - // - // Search parent A's child set - var didFindChild = false; - var _child = parentA.child; - while (_child) { - if (_child === a) { - didFindChild = true; - a = parentA; - b = parentB; - break; - } - if (_child === b) { - didFindChild = true; - b = parentA; - a = parentB; - break; - } - _child = _child.sibling; - } - if (!didFindChild) { - // Search parent B's child set - _child = parentB.child; - while (_child) { - if (_child === a) { - didFindChild = true; - a = parentB; - b = parentA; - break; - } - if (_child === b) { - didFindChild = true; - b = parentB; - a = parentA; - break; - } - _child = _child.sibling; - } - !didFindChild ? invariant(false, 'Child was not found in either parent set. This indicates a bug in React related to the return pointer. Please file an issue.') : void 0; + if (getTargetInstFunc) { + var inst = getTargetInstFunc(topLevelType, targetInst); + if (inst) { + var event = createAndAccumulateChangeEvent(inst, nativeEvent, nativeEventTarget); + return event; } } - !(a.alternate === b) ? invariant(false, 'Return fibers should always be each others\' alternates. This error is likely caused by a bug in React. Please file an issue.') : void 0; - } - // If the root is not a host container, we're in a disconnected tree. I.e. - // unmounted. - !(a.tag === HostRoot) ? invariant(false, 'Unable to find node on an unmounted component.') : void 0; - if (a.stateNode.current === a) { - // We've determined that A is the current branch. - return fiber; - } - // Otherwise B has to be current branch. - return alternate; -} - -function findCurrentHostFiber(parent) { - var currentParent = findCurrentFiberUsingSlowPath(parent); - if (!currentParent) { - return null; - } - - // Next we'll drill down this component to find the first HostComponent/Text. - var node = currentParent; - while (true) { - if (node.tag === HostComponent || node.tag === HostText) { - return node; - } else if (node.child) { - node.child['return'] = node; - node = node.child; - continue; - } - if (node === currentParent) { - return null; + if (handleEventFunc) { + handleEventFunc(topLevelType, targetNode, targetInst); } - while (!node.sibling) { - if (!node['return'] || node['return'] === currentParent) { - return null; - } - node = node['return']; + + // When blurring, set the value attribute for number inputs + if (topLevelType === TOP_BLUR) { + handleControlledInputBlur(targetNode); } - node.sibling['return'] = node['return']; - node = node.sibling; } - // Flow needs the return null here, but ESLint complains about it. - // eslint-disable-next-line no-unreachable - return null; -} +}; -function findCurrentHostFiberWithNoPortals(parent) { - var currentParent = findCurrentFiberUsingSlowPath(parent); - if (!currentParent) { - return null; - } +/** + * Module that is injectable into `EventPluginHub`, that specifies a + * deterministic ordering of `EventPlugin`s. A convenient way to reason about + * plugins, without having to package every one of them. This is better than + * having plugins be ordered in the same order that they are injected because + * that ordering would be influenced by the packaging order. + * `ResponderEventPlugin` must occur before `SimpleEventPlugin` so that + * preventing default on events is convenient in `SimpleEventPlugin` handlers. + */ +var DOMEventPluginOrder = ['ResponderEventPlugin', 'SimpleEventPlugin', 'EnterLeaveEventPlugin', 'ChangeEventPlugin', 'SelectEventPlugin', 'BeforeInputEventPlugin']; - // Next we'll drill down this component to find the first HostComponent/Text. - var node = currentParent; - while (true) { - if (node.tag === HostComponent || node.tag === HostText) { - return node; - } else if (node.child && node.tag !== HostPortal) { - node.child['return'] = node; - node = node.child; - continue; - } - if (node === currentParent) { - return null; - } - while (!node.sibling) { - if (!node['return'] || node['return'] === currentParent) { - return null; - } - node = node['return']; - } - node.sibling['return'] = node['return']; - node = node.sibling; - } - // Flow needs the return null here, but ESLint complains about it. - // eslint-disable-next-line no-unreachable - return null; -} +var SyntheticUIEvent = SyntheticEvent.extend({ + view: null, + detail: null +}); -var CALLBACK_BOOKKEEPING_POOL_SIZE = 10; -var callbackBookkeepingPool = []; +var modifierKeyToProp = { + Alt: 'altKey', + Control: 'ctrlKey', + Meta: 'metaKey', + Shift: 'shiftKey' +}; +// Older browsers (Safari <= 10, iOS Safari <= 10.2) do not support +// getModifierState. If getModifierState is not supported, we map it to a set of +// modifier keys exposed by the event. In this case, Lock-keys are not supported. /** - * Find the deepest React component completely containing the root of the - * passed-in instance (for use when entire React trees are nested within each - * other). If React trees are not nested, returns null. + * Translation from modifier key to the associated property in the event. + * @see http://www.w3.org/TR/DOM-Level-3-Events/#keys-Modifiers */ -function findRootContainerNode(inst) { - // TODO: It may be a good idea to cache this to prevent unnecessary DOM - // traversal, but caching is difficult to do correctly without using a - // mutation observer to listen for all DOM changes. - while (inst['return']) { - inst = inst['return']; - } - if (inst.tag !== HostRoot) { - // This can happen if we're in a detached tree. - return null; - } - return inst.stateNode.containerInfo; -} -// Used to store ancestor hierarchy in top level callback -function getTopLevelCallbackBookKeeping(topLevelType, nativeEvent, targetInst) { - if (callbackBookkeepingPool.length) { - var instance = callbackBookkeepingPool.pop(); - instance.topLevelType = topLevelType; - instance.nativeEvent = nativeEvent; - instance.targetInst = targetInst; - return instance; +function modifierStateGetter(keyArg) { + var syntheticEvent = this; + var nativeEvent = syntheticEvent.nativeEvent; + if (nativeEvent.getModifierState) { + return nativeEvent.getModifierState(keyArg); } - return { - topLevelType: topLevelType, - nativeEvent: nativeEvent, - targetInst: targetInst, - ancestors: [] - }; + var keyProp = modifierKeyToProp[keyArg]; + return keyProp ? !!nativeEvent[keyProp] : false; } -function releaseTopLevelCallbackBookKeeping(instance) { - instance.topLevelType = null; - instance.nativeEvent = null; - instance.targetInst = null; - instance.ancestors.length = 0; - if (callbackBookkeepingPool.length < CALLBACK_BOOKKEEPING_POOL_SIZE) { - callbackBookkeepingPool.push(instance); - } +function getEventModifierState(nativeEvent) { + return modifierStateGetter; } -function handleTopLevelImpl(bookKeeping) { - var targetInst = bookKeeping.targetInst; +var previousScreenX = 0; +var previousScreenY = 0; +// Use flags to signal movementX/Y has already been set +var isMovementXSet = false; +var isMovementYSet = false; - // Loop through the hierarchy, in case there's any nested components. - // It's important that we build the array of ancestors before calling any - // event handlers, because event handlers can modify the DOM, leading to - // inconsistencies with ReactMount's node cache. See #1105. - var ancestor = targetInst; - do { - if (!ancestor) { - bookKeeping.ancestors.push(ancestor); - break; - } - var root = findRootContainerNode(ancestor); - if (!root) { - break; +/** + * @interface MouseEvent + * @see http://www.w3.org/TR/DOM-Level-3-Events/ + */ +var SyntheticMouseEvent = SyntheticUIEvent.extend({ + screenX: null, + screenY: null, + clientX: null, + clientY: null, + pageX: null, + pageY: null, + ctrlKey: null, + shiftKey: null, + altKey: null, + metaKey: null, + getModifierState: getEventModifierState, + button: null, + buttons: null, + relatedTarget: function (event) { + return event.relatedTarget || (event.fromElement === event.srcElement ? event.toElement : event.fromElement); + }, + movementX: function (event) { + if ('movementX' in event) { + return event.movementX; } - bookKeeping.ancestors.push(ancestor); - ancestor = getClosestInstanceFromNode(root); - } while (ancestor); - for (var i = 0; i < bookKeeping.ancestors.length; i++) { - targetInst = bookKeeping.ancestors[i]; - _handleTopLevel(bookKeeping.topLevelType, targetInst, bookKeeping.nativeEvent, getEventTarget(bookKeeping.nativeEvent)); - } -} + var screenX = previousScreenX; + previousScreenX = event.screenX; -// TODO: can we stop exporting these? -var _enabled = true; -var _handleTopLevel = void 0; + if (!isMovementXSet) { + isMovementXSet = true; + return 0; + } -function setHandleTopLevel(handleTopLevel) { - _handleTopLevel = handleTopLevel; -} + return event.type === 'mousemove' ? event.screenX - screenX : 0; + }, + movementY: function (event) { + if ('movementY' in event) { + return event.movementY; + } -function setEnabled(enabled) { - _enabled = !!enabled; -} + var screenY = previousScreenY; + previousScreenY = event.screenY; -function isEnabled() { - return _enabled; -} + if (!isMovementYSet) { + isMovementYSet = true; + return 0; + } -/** - * Traps top-level events by using event bubbling. - * - * @param {string} topLevelType Record from `BrowserEventConstants`. - * @param {string} handlerBaseName Event name (e.g. "click"). - * @param {object} element Element on which to attach listener. - * @return {?object} An object with a remove function which will forcefully - * remove the listener. - * @internal - */ -function trapBubbledEvent(topLevelType, handlerBaseName, element) { - if (!element) { - return null; + return event.type === 'mousemove' ? event.screenY - screenY : 0; } - return EventListener.listen(element, handlerBaseName, dispatchEvent.bind(null, topLevelType)); -} +}); /** - * Traps a top-level event by using event capturing. - * - * @param {string} topLevelType Record from `BrowserEventConstants`. - * @param {string} handlerBaseName Event name (e.g. "click"). - * @param {object} element Element on which to attach listener. - * @return {?object} An object with a remove function which will forcefully - * remove the listener. - * @internal + * @interface PointerEvent + * @see http://www.w3.org/TR/pointerevents/ */ -function trapCapturedEvent(topLevelType, handlerBaseName, element) { - if (!element) { - return null; - } - return EventListener.capture(element, handlerBaseName, dispatchEvent.bind(null, topLevelType)); -} - -function dispatchEvent(topLevelType, nativeEvent) { - if (!_enabled) { - return; - } +var SyntheticPointerEvent = SyntheticMouseEvent.extend({ + pointerId: null, + width: null, + height: null, + pressure: null, + tangentialPressure: null, + tiltX: null, + tiltY: null, + twist: null, + pointerType: null, + isPrimary: null +}); - var nativeEventTarget = getEventTarget(nativeEvent); - var targetInst = getClosestInstanceFromNode(nativeEventTarget); - if (targetInst !== null && typeof targetInst.tag === 'number' && !isFiberMounted(targetInst)) { - // If we get an event (ex: img onload) before committing that - // component's mount, ignore it for now (that is, treat it as if it was an - // event on a non-React tree). We might also consider queueing events and - // dispatching them after the mount. - targetInst = null; +var eventTypes$2 = { + mouseEnter: { + registrationName: 'onMouseEnter', + dependencies: [TOP_MOUSE_OUT, TOP_MOUSE_OVER] + }, + mouseLeave: { + registrationName: 'onMouseLeave', + dependencies: [TOP_MOUSE_OUT, TOP_MOUSE_OVER] + }, + pointerEnter: { + registrationName: 'onPointerEnter', + dependencies: [TOP_POINTER_OUT, TOP_POINTER_OVER] + }, + pointerLeave: { + registrationName: 'onPointerLeave', + dependencies: [TOP_POINTER_OUT, TOP_POINTER_OVER] } +}; - var bookKeeping = getTopLevelCallbackBookKeeping(topLevelType, nativeEvent, targetInst); +var EnterLeaveEventPlugin = { + eventTypes: eventTypes$2, - try { - // Event queue being processed in the same cycle allows - // `preventDefault`. - batchedUpdates(handleTopLevelImpl, bookKeeping); - } finally { - releaseTopLevelCallbackBookKeeping(bookKeeping); - } -} + /** + * For almost every interaction we care about, there will be both a top-level + * `mouseover` and `mouseout` event that occurs. Only use `mouseout` so that + * we do not extract duplicate events. However, moving the mouse into the + * browser from outside will not fire a `mouseout` event. In this case, we use + * the `mouseover` top-level event. + */ + extractEvents: function (topLevelType, targetInst, nativeEvent, nativeEventTarget) { + var isOverEvent = topLevelType === TOP_MOUSE_OVER || topLevelType === TOP_POINTER_OVER; + var isOutEvent = topLevelType === TOP_MOUSE_OUT || topLevelType === TOP_POINTER_OUT; -var ReactDOMEventListener = Object.freeze({ - get _enabled () { return _enabled; }, - get _handleTopLevel () { return _handleTopLevel; }, - setHandleTopLevel: setHandleTopLevel, - setEnabled: setEnabled, - isEnabled: isEnabled, - trapBubbledEvent: trapBubbledEvent, - trapCapturedEvent: trapCapturedEvent, - dispatchEvent: dispatchEvent -}); + if (isOverEvent && (nativeEvent.relatedTarget || nativeEvent.fromElement)) { + return null; + } -/** - * Generate a mapping of standard vendor prefixes using the defined style property and event name. - * - * @param {string} styleProp - * @param {string} eventName - * @returns {object} - */ -function makePrefixMap(styleProp, eventName) { - var prefixes = {}; + if (!isOutEvent && !isOverEvent) { + // Must not be a mouse or pointer in or out - ignoring. + return null; + } - prefixes[styleProp.toLowerCase()] = eventName.toLowerCase(); - prefixes['Webkit' + styleProp] = 'webkit' + eventName; - prefixes['Moz' + styleProp] = 'moz' + eventName; - prefixes['ms' + styleProp] = 'MS' + eventName; - prefixes['O' + styleProp] = 'o' + eventName.toLowerCase(); + var win = void 0; + if (nativeEventTarget.window === nativeEventTarget) { + // `nativeEventTarget` is probably a window object. + win = nativeEventTarget; + } else { + // TODO: Figure out why `ownerDocument` is sometimes undefined in IE8. + var doc = nativeEventTarget.ownerDocument; + if (doc) { + win = doc.defaultView || doc.parentWindow; + } else { + win = window; + } + } - return prefixes; -} + var from = void 0; + var to = void 0; + if (isOutEvent) { + from = targetInst; + var related = nativeEvent.relatedTarget || nativeEvent.toElement; + to = related ? getClosestInstanceFromNode(related) : null; + } else { + // Moving to a node from outside the window. + from = null; + to = targetInst; + } -/** - * A list of event names to a configurable list of vendor prefixes. - */ -var vendorPrefixes = { - animationend: makePrefixMap('Animation', 'AnimationEnd'), - animationiteration: makePrefixMap('Animation', 'AnimationIteration'), - animationstart: makePrefixMap('Animation', 'AnimationStart'), - transitionend: makePrefixMap('Transition', 'TransitionEnd') -}; + if (from === to) { + // Nothing pertains to our managed components. + return null; + } -/** - * Event names that have already been detected and prefixed (if applicable). - */ -var prefixedEventNames = {}; + var eventInterface = void 0, + leaveEventType = void 0, + enterEventType = void 0, + eventTypePrefix = void 0; -/** - * Element to check for prefixes on. - */ -var style = {}; + if (topLevelType === TOP_MOUSE_OUT || topLevelType === TOP_MOUSE_OVER) { + eventInterface = SyntheticMouseEvent; + leaveEventType = eventTypes$2.mouseLeave; + enterEventType = eventTypes$2.mouseEnter; + eventTypePrefix = 'mouse'; + } else if (topLevelType === TOP_POINTER_OUT || topLevelType === TOP_POINTER_OVER) { + eventInterface = SyntheticPointerEvent; + leaveEventType = eventTypes$2.pointerLeave; + enterEventType = eventTypes$2.pointerEnter; + eventTypePrefix = 'pointer'; + } -/** - * Bootstrap if a DOM exists. - */ -if (ExecutionEnvironment.canUseDOM) { - style = document.createElement('div').style; - - // On some platforms, in particular some releases of Android 4.x, - // the un-prefixed "animation" and "transition" properties are defined on the - // style object but the events that fire will still be prefixed, so we need - // to check if the un-prefixed events are usable, and if not remove them from the map. - if (!('AnimationEvent' in window)) { - delete vendorPrefixes.animationend.animation; - delete vendorPrefixes.animationiteration.animation; - delete vendorPrefixes.animationstart.animation; - } + var fromNode = from == null ? win : getNodeFromInstance$1(from); + var toNode = to == null ? win : getNodeFromInstance$1(to); - // Same as above - if (!('TransitionEvent' in window)) { - delete vendorPrefixes.transitionend.transition; - } -} + var leave = eventInterface.getPooled(leaveEventType, from, nativeEvent, nativeEventTarget); + leave.type = eventTypePrefix + 'leave'; + leave.target = fromNode; + leave.relatedTarget = toNode; -/** - * Attempts to determine the correct vendor prefixed event name. - * - * @param {string} eventName - * @returns {string} - */ -function getVendorPrefixedEventName(eventName) { - if (prefixedEventNames[eventName]) { - return prefixedEventNames[eventName]; - } else if (!vendorPrefixes[eventName]) { - return eventName; - } + var enter = eventInterface.getPooled(enterEventType, to, nativeEvent, nativeEventTarget); + enter.type = eventTypePrefix + 'enter'; + enter.target = toNode; + enter.relatedTarget = fromNode; - var prefixMap = vendorPrefixes[eventName]; + accumulateEnterLeaveDispatches(leave, enter, from, to); - for (var styleProp in prefixMap) { - if (prefixMap.hasOwnProperty(styleProp) && styleProp in style) { - return prefixedEventNames[eventName] = prefixMap[styleProp]; - } + return [leave, enter]; } - - return ''; -} - -/** - * Types of raw signals from the browser caught at the top level. - * - * For events like 'submit' which don't consistently bubble (which we - * trap at a lower node than `document`), binding at `document` would - * cause duplicate events so we don't include them here. - */ -var topLevelTypes$1 = { - topAbort: 'abort', - topAnimationEnd: getVendorPrefixedEventName('animationend') || 'animationend', - topAnimationIteration: getVendorPrefixedEventName('animationiteration') || 'animationiteration', - topAnimationStart: getVendorPrefixedEventName('animationstart') || 'animationstart', - topBlur: 'blur', - topCancel: 'cancel', - topCanPlay: 'canplay', - topCanPlayThrough: 'canplaythrough', - topChange: 'change', - topClick: 'click', - topClose: 'close', - topCompositionEnd: 'compositionend', - topCompositionStart: 'compositionstart', - topCompositionUpdate: 'compositionupdate', - topContextMenu: 'contextmenu', - topCopy: 'copy', - topCut: 'cut', - topDoubleClick: 'dblclick', - topDrag: 'drag', - topDragEnd: 'dragend', - topDragEnter: 'dragenter', - topDragExit: 'dragexit', - topDragLeave: 'dragleave', - topDragOver: 'dragover', - topDragStart: 'dragstart', - topDrop: 'drop', - topDurationChange: 'durationchange', - topEmptied: 'emptied', - topEncrypted: 'encrypted', - topEnded: 'ended', - topError: 'error', - topFocus: 'focus', - topInput: 'input', - topKeyDown: 'keydown', - topKeyPress: 'keypress', - topKeyUp: 'keyup', - topLoadedData: 'loadeddata', - topLoad: 'load', - topLoadedMetadata: 'loadedmetadata', - topLoadStart: 'loadstart', - topMouseDown: 'mousedown', - topMouseMove: 'mousemove', - topMouseOut: 'mouseout', - topMouseOver: 'mouseover', - topMouseUp: 'mouseup', - topPaste: 'paste', - topPause: 'pause', - topPlay: 'play', - topPlaying: 'playing', - topProgress: 'progress', - topRateChange: 'ratechange', - topScroll: 'scroll', - topSeeked: 'seeked', - topSeeking: 'seeking', - topSelectionChange: 'selectionchange', - topStalled: 'stalled', - topSuspend: 'suspend', - topTextInput: 'textInput', - topTimeUpdate: 'timeupdate', - topToggle: 'toggle', - topTouchCancel: 'touchcancel', - topTouchEnd: 'touchend', - topTouchMove: 'touchmove', - topTouchStart: 'touchstart', - topTransitionEnd: getVendorPrefixedEventName('transitionend') || 'transitionend', - topVolumeChange: 'volumechange', - topWaiting: 'waiting', - topWheel: 'wheel' -}; - -var BrowserEventConstants = { - topLevelTypes: topLevelTypes$1 }; -function runEventQueueInBatch(events) { - enqueueEvents(events); - processEventQueue(false); -} - /** - * Streams a fired top-level event to `EventPluginHub` where plugins have the - * opportunity to create `ReactEvent`s to be dispatched. + * inlined Object.is polyfill to avoid requiring consumers ship their own + * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/is */ -function handleTopLevel(topLevelType, targetInst, nativeEvent, nativeEventTarget) { - var events = extractEvents(topLevelType, targetInst, nativeEvent, nativeEventTarget); - runEventQueueInBatch(events); +function is(x, y) { + return x === y && (x !== 0 || 1 / x === 1 / y) || x !== x && y !== y // eslint-disable-line no-self-compare + ; } -var topLevelTypes = BrowserEventConstants.topLevelTypes; - -/** - * Summary of `ReactBrowserEventEmitter` event handling: - * - * - Top-level delegation is used to trap most native browser events. This - * may only occur in the main thread and is the responsibility of - * ReactDOMEventListener, which is injected and can therefore support - * pluggable event sources. This is the only work that occurs in the main - * thread. - * - * - We normalize and de-duplicate events to account for browser quirks. This - * may be done in the worker thread. - * - * - Forward these native events (with the associated top-level type used to - * trap it) to `EventPluginHub`, which in turn will ask plugins if they want - * to extract any synthetic events. - * - * - The `EventPluginHub` will then process each event by annotating them with - * "dispatches", a sequence of listeners and IDs that care about that event. - * - * - The `EventPluginHub` then dispatches the events. - * - * Overview of React and the event system: - * - * +------------+ . - * | DOM | . - * +------------+ . - * | . - * v . - * +------------+ . - * | ReactEvent | . - * | Listener | . - * +------------+ . +-----------+ - * | . +--------+|SimpleEvent| - * | . | |Plugin | - * +-----|------+ . v +-----------+ - * | | | . +--------------+ +------------+ - * | +-----------.--->|EventPluginHub| | Event | - * | | . | | +-----------+ | Propagators| - * | ReactEvent | . | | |TapEvent | |------------| - * | Emitter | . | |<---+|Plugin | |other plugin| - * | | . | | +-----------+ | utilities | - * | +-----------.--->| | +------------+ - * | | | . +--------------+ - * +-----|------+ . ^ +-----------+ - * | . | |Enter/Leave| - * + . +-------+|Plugin | - * +-------------+ . +-----------+ - * | application | . - * |-------------| . - * | | . - * | | . - * +-------------+ . - * . - * React Core . General Purpose Event Plugin System - */ - -var alreadyListeningTo = {}; -var reactTopListenersCounter = 0; +var hasOwnProperty$1 = Object.prototype.hasOwnProperty; /** - * To ensure no conflicts with other potential React instances on the page + * Performs equality by iterating through keys on an object and returning false + * when any key has values which are not strictly equal between the arguments. + * Returns true when the values of all keys are strictly equal. */ -var topListenersIDKey = '_reactListenersID' + ('' + Math.random()).slice(2); - -function getListeningForDocument(mountAt) { - // In IE8, `mountAt` is a host object and doesn't have `hasOwnProperty` - // directly. - if (!Object.prototype.hasOwnProperty.call(mountAt, topListenersIDKey)) { - mountAt[topListenersIDKey] = reactTopListenersCounter++; - alreadyListeningTo[mountAt[topListenersIDKey]] = {}; +function shallowEqual(objA, objB) { + if (is(objA, objB)) { + return true; } - return alreadyListeningTo[mountAt[topListenersIDKey]]; -} -/** - * We listen for bubbled touch events on the document object. - * - * Firefox v8.01 (and possibly others) exhibited strange behavior when - * mounting `onmousemove` events at some node that was not the document - * element. The symptoms were that if your mouse is not moving over something - * contained within that mount point (for example on the background) the - * top-level listeners for `onmousemove` won't be called. However, if you - * register the `mousemove` on the document object, then it will of course - * catch all `mousemove`s. This along with iOS quirks, justifies restricting - * top-level listeners to the document object only, at least for these - * movement types of events and possibly all events. - * - * @see http://www.quirksmode.org/blog/archives/2010/09/click_event_del.html - * - * Also, `keyup`/`keypress`/`keydown` do not bubble to the window on IE, but - * they bubble to document. - * - * @param {string} registrationName Name of listener (e.g. `onClick`). - * @param {object} contentDocumentHandle Document which owns the container - */ -function listenTo(registrationName, contentDocumentHandle) { - var mountAt = contentDocumentHandle; - var isListening = getListeningForDocument(mountAt); - var dependencies = registrationNameDependencies[registrationName]; + if (typeof objA !== 'object' || objA === null || typeof objB !== 'object' || objB === null) { + return false; + } - for (var i = 0; i < dependencies.length; i++) { - var dependency = dependencies[i]; - if (!(isListening.hasOwnProperty(dependency) && isListening[dependency])) { - if (dependency === 'topScroll') { - trapCapturedEvent('topScroll', 'scroll', mountAt); - } else if (dependency === 'topFocus' || dependency === 'topBlur') { - trapCapturedEvent('topFocus', 'focus', mountAt); - trapCapturedEvent('topBlur', 'blur', mountAt); - - // to make sure blur and focus event listeners are only attached once - isListening.topBlur = true; - isListening.topFocus = true; - } else if (dependency === 'topCancel') { - if (isEventSupported('cancel', true)) { - trapCapturedEvent('topCancel', 'cancel', mountAt); - } - isListening.topCancel = true; - } else if (dependency === 'topClose') { - if (isEventSupported('close', true)) { - trapCapturedEvent('topClose', 'close', mountAt); - } - isListening.topClose = true; - } else if (topLevelTypes.hasOwnProperty(dependency)) { - trapBubbledEvent(dependency, topLevelTypes[dependency], mountAt); - } + var keysA = Object.keys(objA); + var keysB = Object.keys(objB); - isListening[dependency] = true; - } + if (keysA.length !== keysB.length) { + return false; } -} -function isListeningToAllDependencies(registrationName, mountAt) { - var isListening = getListeningForDocument(mountAt); - var dependencies = registrationNameDependencies[registrationName]; - for (var i = 0; i < dependencies.length; i++) { - var dependency = dependencies[i]; - if (!(isListening.hasOwnProperty(dependency) && isListening[dependency])) { + // Test for A's keys different from B. + for (var i = 0; i < keysA.length; i++) { + if (!hasOwnProperty$1.call(objB, keysA[i]) || !is(objA[keysA[i]], objB[keysA[i]])) { return false; } } + return true; } /** - * Given any node return the first leaf node without children. + * `ReactInstanceMap` maintains a mapping from a public facing stateful + * instance (key) and the internal representation (value). This allows public + * methods to accept the user facing instance as an argument and map them back + * to internal methods. * - * @param {DOMElement|DOMTextNode} node - * @return {DOMElement|DOMTextNode} + * Note that this module is currently shared and assumed to be stateless. + * If this becomes an actual Map, that will break. */ -function getLeafNode(node) { - while (node && node.firstChild) { - node = node.firstChild; - } - return node; -} /** - * Get the next sibling within a container. This will walk up the - * DOM if a node's siblings have been exhausted. - * - * @param {DOMElement|DOMTextNode} node - * @return {?DOMElement|DOMTextNode} + * This API should be called `delete` but we'd have to make sure to always + * transform these to strings for IE support. When this transform is fully + * supported we can rename it. */ -function getSiblingNode(node) { - while (node) { - if (node.nextSibling) { - return node.nextSibling; - } - node = node.parentNode; - } + + +function get(key) { + return key._reactInternalFiber; } -/** - * Get object describing the nodes which contain characters at offset. - * - * @param {DOMElement|DOMTextNode} root - * @param {number} offset - * @return {?object} - */ -function getNodeForCharacterOffset(root, offset) { - var node = getLeafNode(root); - var nodeStart = 0; - var nodeEnd = 0; +function has(key) { + return key._reactInternalFiber !== undefined; +} - while (node) { - if (node.nodeType === TEXT_NODE) { - nodeEnd = nodeStart + node.textContent.length; +function set(key, value) { + key._reactInternalFiber = value; +} - if (nodeStart <= offset && nodeEnd >= offset) { - return { - node: node, - offset: offset - nodeStart - }; - } +// Don't change these two values. They're used by React Dev Tools. +var NoEffect = /* */0; +var PerformedWork = /* */1; - nodeStart = nodeEnd; - } +// You can change the rest (and add more). +var Placement = /* */2; +var Update = /* */4; +var PlacementAndUpdate = /* */6; +var Deletion = /* */8; +var ContentReset = /* */16; +var Callback = /* */32; +var DidCapture = /* */64; +var Ref = /* */128; +var Snapshot = /* */256; +var Passive = /* */512; - node = getLeafNode(getSiblingNode(node)); - } -} +// Passive & Update & Callback & Ref & Snapshot +var LifecycleEffectMask = /* */932; -/** - * @param {DOMElement} outerNode - * @return {?object} - */ -function getOffsets(outerNode) { - var selection = window.getSelection && window.getSelection(); +// Union of all host effects +var HostEffectMask = /* */1023; - if (!selection || selection.rangeCount === 0) { - return null; - } +var Incomplete = /* */1024; +var ShouldCapture = /* */2048; - var anchorNode = selection.anchorNode, - anchorOffset = selection.anchorOffset, - focusNode$$1 = selection.focusNode, - focusOffset = selection.focusOffset; +var ReactCurrentOwner$1 = ReactSharedInternals.ReactCurrentOwner; - // In Firefox, anchorNode and focusNode can be "anonymous divs", e.g. the - // up/down buttons on an . Anonymous divs do not seem to - // expose properties, triggering a "Permission denied error" if any of its - // properties are accessed. The only seemingly possible way to avoid erroring - // is to access a property that typically works for non-anonymous divs and - // catch any error that may otherwise arise. See - // https://bugzilla.mozilla.org/show_bug.cgi?id=208427 +var MOUNTING = 1; +var MOUNTED = 2; +var UNMOUNTED = 3; - try { - /* eslint-disable no-unused-expressions */ - anchorNode.nodeType; - focusNode$$1.nodeType; - /* eslint-enable no-unused-expressions */ - } catch (e) { - return null; +function isFiberMountedImpl(fiber) { + var node = fiber; + if (!fiber.alternate) { + // If there is no alternate, this might be a new tree that isn't inserted + // yet. If it is, then it will have a pending insertion effect on it. + if ((node.effectTag & Placement) !== NoEffect) { + return MOUNTING; + } + while (node.return) { + node = node.return; + if ((node.effectTag & Placement) !== NoEffect) { + return MOUNTING; + } + } + } else { + while (node.return) { + node = node.return; + } + } + if (node.tag === HostRoot) { + // TODO: Check if this was a nested HostRoot when used with + // renderContainerIntoSubtree. + return MOUNTED; } + // If we didn't hit the root, that means that we're in an disconnected tree + // that has been unmounted. + return UNMOUNTED; +} - return getModernOffsetsFromPoints(outerNode, anchorNode, anchorOffset, focusNode$$1, focusOffset); +function isFiberMounted(fiber) { + return isFiberMountedImpl(fiber) === MOUNTED; } -/** - * Returns {start, end} where `start` is the character/codepoint index of - * (anchorNode, anchorOffset) within the textContent of `outerNode`, and - * `end` is the index of (focusNode, focusOffset). - * - * Returns null if you pass in garbage input but we should probably just crash. - * - * Exported only for testing. - */ -function getModernOffsetsFromPoints(outerNode, anchorNode, anchorOffset, focusNode$$1, focusOffset) { - var length = 0; - var start = -1; - var end = -1; - var indexWithinAnchor = 0; - var indexWithinFocus = 0; - var node = outerNode; - var parentNode = null; +function isMounted(component) { + { + var owner = ReactCurrentOwner$1.current; + if (owner !== null && owner.tag === ClassComponent) { + var ownerFiber = owner; + var instance = ownerFiber.stateNode; + !instance._warnedAboutRefsInRender ? warningWithoutStack$1(false, '%s is accessing isMounted inside its render() function. ' + 'render() should be a pure function of props and state. It should ' + 'never access something that requires stale data from the previous ' + 'render, such as refs. Move this logic to componentDidMount and ' + 'componentDidUpdate instead.', getComponentName(ownerFiber.type) || 'A component') : void 0; + instance._warnedAboutRefsInRender = true; + } + } - outer: while (true) { - var next = null; + var fiber = get(component); + if (!fiber) { + return false; + } + return isFiberMountedImpl(fiber) === MOUNTED; +} - while (true) { - if (node === anchorNode && (anchorOffset === 0 || node.nodeType === TEXT_NODE)) { - start = length + anchorOffset; - } - if (node === focusNode$$1 && (focusOffset === 0 || node.nodeType === TEXT_NODE)) { - end = length + focusOffset; - } +function assertIsMounted(fiber) { + !(isFiberMountedImpl(fiber) === MOUNTED) ? invariant(false, 'Unable to find node on an unmounted component.') : void 0; +} - if (node.nodeType === TEXT_NODE) { - length += node.nodeValue.length; - } +function findCurrentFiberUsingSlowPath(fiber) { + var alternate = fiber.alternate; + if (!alternate) { + // If there is no alternate, then we only need to check if it is mounted. + var state = isFiberMountedImpl(fiber); + !(state !== UNMOUNTED) ? invariant(false, 'Unable to find node on an unmounted component.') : void 0; + if (state === MOUNTING) { + return null; + } + return fiber; + } + // If we have two possible branches, we'll walk backwards up to the root + // to see what path the root points to. On the way we may hit one of the + // special cases and we'll deal with them. + var a = fiber; + var b = alternate; + while (true) { + var parentA = a.return; + var parentB = parentA ? parentA.alternate : null; + if (!parentA || !parentB) { + // We're at the root. + break; + } - if ((next = node.firstChild) === null) { - break; + // If both copies of the parent fiber point to the same child, we can + // assume that the child is current. This happens when we bailout on low + // priority: the bailed out fiber's child reuses the current child. + if (parentA.child === parentB.child) { + var child = parentA.child; + while (child) { + if (child === a) { + // We've determined that A is the current branch. + assertIsMounted(parentA); + return fiber; + } + if (child === b) { + // We've determined that B is the current branch. + assertIsMounted(parentA); + return alternate; + } + child = child.sibling; } - // Moving from `node` to its first child `next`. - parentNode = node; - node = next; + // We should never have an alternate for any mounting node. So the only + // way this could possibly happen is if this was unmounted, if at all. + invariant(false, 'Unable to find node on an unmounted component.'); } - while (true) { - if (node === outerNode) { - // If `outerNode` has children, this is always the second time visiting - // it. If it has no children, this is still the first loop, and the only - // valid selection is anchorNode and focusNode both equal to this node - // and both offsets 0, in which case we will have handled above. - break outer; - } - if (parentNode === anchorNode && ++indexWithinAnchor === anchorOffset) { - start = length; - } - if (parentNode === focusNode$$1 && ++indexWithinFocus === focusOffset) { - end = length; + if (a.return !== b.return) { + // The return pointer of A and the return pointer of B point to different + // fibers. We assume that return pointers never criss-cross, so A must + // belong to the child set of A.return, and B must belong to the child + // set of B.return. + a = parentA; + b = parentB; + } else { + // The return pointers point to the same fiber. We'll have to use the + // default, slow path: scan the child sets of each parent alternate to see + // which child belongs to which set. + // + // Search parent A's child set + var didFindChild = false; + var _child = parentA.child; + while (_child) { + if (_child === a) { + didFindChild = true; + a = parentA; + b = parentB; + break; + } + if (_child === b) { + didFindChild = true; + b = parentA; + a = parentB; + break; + } + _child = _child.sibling; } - if ((next = node.nextSibling) !== null) { - break; + if (!didFindChild) { + // Search parent B's child set + _child = parentB.child; + while (_child) { + if (_child === a) { + didFindChild = true; + a = parentB; + b = parentA; + break; + } + if (_child === b) { + didFindChild = true; + b = parentB; + a = parentA; + break; + } + _child = _child.sibling; + } + !didFindChild ? invariant(false, 'Child was not found in either parent set. This indicates a bug in React related to the return pointer. Please file an issue.') : void 0; } - node = parentNode; - parentNode = node.parentNode; } - // Moving from `node` to its next sibling `next`. - node = next; + !(a.alternate === b) ? invariant(false, 'Return fibers should always be each others\' alternates. This error is likely caused by a bug in React. Please file an issue.') : void 0; + } + // If the root is not a host container, we're in a disconnected tree. I.e. + // unmounted. + !(a.tag === HostRoot) ? invariant(false, 'Unable to find node on an unmounted component.') : void 0; + if (a.stateNode.current === a) { + // We've determined that A is the current branch. + return fiber; } + // Otherwise B has to be current branch. + return alternate; +} - if (start === -1 || end === -1) { - // This should never happen. (Would happen if the anchor/focus nodes aren't - // actually inside the passed-in node.) +function findCurrentHostFiber(parent) { + var currentParent = findCurrentFiberUsingSlowPath(parent); + if (!currentParent) { return null; } - return { - start: start, - end: end - }; + // Next we'll drill down this component to find the first HostComponent/Text. + var node = currentParent; + while (true) { + if (node.tag === HostComponent || node.tag === HostText) { + return node; + } else if (node.child) { + node.child.return = node; + node = node.child; + continue; + } + if (node === currentParent) { + return null; + } + while (!node.sibling) { + if (!node.return || node.return === currentParent) { + return null; + } + node = node.return; + } + node.sibling.return = node.return; + node = node.sibling; + } + // Flow needs the return null here, but ESLint complains about it. + // eslint-disable-next-line no-unreachable + return null; } -/** - * In modern non-IE browsers, we can support both forward and backward - * selections. - * - * Note: IE10+ supports the Selection object, but it does not support - * the `extend` method, which means that even in modern IE, it's not possible - * to programmatically create a backward selection. Thus, for all IE - * versions, we use the old IE API to create our selections. - * - * @param {DOMElement|DOMTextNode} node - * @param {object} offsets - */ -function setOffsets(node, offsets) { - if (!window.getSelection) { - return; - } - - var selection = window.getSelection(); - var length = node[getTextContentAccessor()].length; - var start = Math.min(offsets.start, length); - var end = offsets.end === undefined ? start : Math.min(offsets.end, length); - - // IE 11 uses modern selection, but doesn't support the extend method. - // Flip backward selections, so we can set with a single range. - if (!selection.extend && start > end) { - var temp = end; - end = start; - start = temp; +function findCurrentHostFiberWithNoPortals(parent) { + var currentParent = findCurrentFiberUsingSlowPath(parent); + if (!currentParent) { + return null; } - var startMarker = getNodeForCharacterOffset(node, start); - var endMarker = getNodeForCharacterOffset(node, end); - - if (startMarker && endMarker) { - if (selection.rangeCount === 1 && selection.anchorNode === startMarker.node && selection.anchorOffset === startMarker.offset && selection.focusNode === endMarker.node && selection.focusOffset === endMarker.offset) { - return; + // Next we'll drill down this component to find the first HostComponent/Text. + var node = currentParent; + while (true) { + if (node.tag === HostComponent || node.tag === HostText) { + return node; + } else if (node.child && node.tag !== HostPortal) { + node.child.return = node; + node = node.child; + continue; } - var range = document.createRange(); - range.setStart(startMarker.node, startMarker.offset); - selection.removeAllRanges(); - - if (start > end) { - selection.addRange(range); - selection.extend(endMarker.node, endMarker.offset); - } else { - range.setEnd(endMarker.node, endMarker.offset); - selection.addRange(range); + if (node === currentParent) { + return null; } + while (!node.sibling) { + if (!node.return || node.return === currentParent) { + return null; + } + node = node.return; + } + node.sibling.return = node.return; + node = node.sibling; } + // Flow needs the return null here, but ESLint complains about it. + // eslint-disable-next-line no-unreachable + return null; } -function isInDocument(node) { - return containsNode(document.documentElement, node); -} - -/** - * @ReactInputSelection: React input selection module. Based on Selection.js, - * but modified to be suitable for react and has a couple of bug fixes (doesn't - * assume buttons have range selections allowed). - * Input selection module for React. - */ - -function hasSelectionCapabilities(elem) { - var nodeName = elem && elem.nodeName && elem.nodeName.toLowerCase(); - return nodeName && (nodeName === 'input' && elem.type === 'text' || nodeName === 'textarea' || elem.contentEditable === 'true'); +function addEventBubbleListener(element, eventType, listener) { + element.addEventListener(eventType, listener, false); } -function getSelectionInformation() { - var focusedElem = getActiveElement(); - return { - focusedElem: focusedElem, - selectionRange: hasSelectionCapabilities(focusedElem) ? getSelection$1(focusedElem) : null - }; +function addEventCaptureListener(element, eventType, listener) { + element.addEventListener(eventType, listener, true); } /** - * @restoreSelection: If any selection information was potentially lost, - * restore it. This is useful when performing operations that could remove dom - * nodes and place them back in, resulting in focus being lost. + * @interface Event + * @see http://www.w3.org/TR/css3-animations/#AnimationEvent-interface + * @see https://developer.mozilla.org/en-US/docs/Web/API/AnimationEvent */ -function restoreSelection(priorSelectionInformation) { - var curFocusedElem = getActiveElement(); - var priorFocusedElem = priorSelectionInformation.focusedElem; - var priorSelectionRange = priorSelectionInformation.selectionRange; - if (curFocusedElem !== priorFocusedElem && isInDocument(priorFocusedElem)) { - if (hasSelectionCapabilities(priorFocusedElem)) { - setSelection(priorFocusedElem, priorSelectionRange); - } - - // Focusing a node can change the scroll position, which is undesirable - var ancestors = []; - var ancestor = priorFocusedElem; - while (ancestor = ancestor.parentNode) { - if (ancestor.nodeType === ELEMENT_NODE) { - ancestors.push({ - element: ancestor, - left: ancestor.scrollLeft, - top: ancestor.scrollTop - }); - } - } - - focusNode(priorFocusedElem); - - for (var i = 0; i < ancestors.length; i++) { - var info = ancestors[i]; - info.element.scrollLeft = info.left; - info.element.scrollTop = info.top; - } - } -} +var SyntheticAnimationEvent = SyntheticEvent.extend({ + animationName: null, + elapsedTime: null, + pseudoElement: null +}); /** - * @getSelection: Gets the selection bounds of a focused textarea, input or - * contentEditable node. - * -@input: Look up selection bounds of this input - * -@return {start: selectionStart, end: selectionEnd} + * @interface Event + * @see http://www.w3.org/TR/clipboard-apis/ */ -function getSelection$1(input) { - var selection = void 0; - - if ('selectionStart' in input) { - // Modern browser with input or textarea. - selection = { - start: input.selectionStart, - end: input.selectionEnd - }; - } else { - // Content editable or old IE textarea. - selection = getOffsets(input); +var SyntheticClipboardEvent = SyntheticEvent.extend({ + clipboardData: function (event) { + return 'clipboardData' in event ? event.clipboardData : window.clipboardData; } +}); - return selection || { start: 0, end: 0 }; -} +/** + * @interface FocusEvent + * @see http://www.w3.org/TR/DOM-Level-3-Events/ + */ +var SyntheticFocusEvent = SyntheticUIEvent.extend({ + relatedTarget: null +}); /** - * @setSelection: Sets the selection bounds of a textarea or input and focuses - * the input. - * -@input Set selection bounds of this input or textarea - * -@offsets Object of same form that is returned from get* + * `charCode` represents the actual "character code" and is safe to use with + * `String.fromCharCode`. As such, only keys that correspond to printable + * characters produce a valid `charCode`, the only exception to this is Enter. + * The Tab-key is considered non-printable and does not have a `charCode`, + * presumably because it does not produce a tab-character in browsers. + * + * @param {object} nativeEvent Native browser event. + * @return {number} Normalized `charCode` property. */ -function setSelection(input, offsets) { - var start = offsets.start, - end = offsets.end; +function getEventCharCode(nativeEvent) { + var charCode = void 0; + var keyCode = nativeEvent.keyCode; - if (end === undefined) { - end = start; - } + if ('charCode' in nativeEvent) { + charCode = nativeEvent.charCode; - if ('selectionStart' in input) { - input.selectionStart = start; - input.selectionEnd = Math.min(end, input.value.length); + // FF does not set `charCode` for the Enter-key, check against `keyCode`. + if (charCode === 0 && keyCode === 13) { + charCode = 13; + } } else { - setOffsets(input, offsets); + // IE8 does not implement `charCode`, but `keyCode` has the correct value. + charCode = keyCode; } -} - -var skipSelectionChangeEvent = ExecutionEnvironment.canUseDOM && 'documentMode' in document && document.documentMode <= 11; -var eventTypes$3 = { - select: { - phasedRegistrationNames: { - bubbled: 'onSelect', - captured: 'onSelectCapture' - }, - dependencies: ['topBlur', 'topContextMenu', 'topFocus', 'topKeyDown', 'topKeyUp', 'topMouseDown', 'topMouseUp', 'topSelectionChange'] + // IE and Edge (on Windows) and Chrome / Safari (on Windows and Linux) + // report Enter as charCode 10 when ctrl is pressed. + if (charCode === 10) { + charCode = 13; } -}; - -var activeElement$1 = null; -var activeElementInst$1 = null; -var lastSelection = null; -var mouseDown = false; -/** - * Get an object which is a unique representation of the current selection. - * - * The return value will not be consistent across nodes or browsers, but - * two identical selections on the same node will return identical objects. - * - * @param {DOMElement} node - * @return {object} - */ -function getSelection(node) { - if ('selectionStart' in node && hasSelectionCapabilities(node)) { - return { - start: node.selectionStart, - end: node.selectionEnd - }; - } else if (window.getSelection) { - var selection = window.getSelection(); - return { - anchorNode: selection.anchorNode, - anchorOffset: selection.anchorOffset, - focusNode: selection.focusNode, - focusOffset: selection.focusOffset - }; + // Some non-printable keys are reported in `charCode`/`keyCode`, discard them. + // Must not discard the (non-)printable Enter-key. + if (charCode >= 32 || charCode === 13) { + return charCode; } + + return 0; } /** - * Poll selection to see whether it's changed. - * - * @param {object} nativeEvent - * @return {?SyntheticEvent} + * Normalization of deprecated HTML5 `key` values + * @see https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent#Key_names */ -function constructSelectEvent(nativeEvent, nativeEventTarget) { - // Ensure we have the right element, and that the user is not dragging a - // selection (this matches native `select` event behavior). In HTML5, select - // fires only on input and textarea thus if there's no focused element we - // won't dispatch. - if (mouseDown || activeElement$1 == null || activeElement$1 !== getActiveElement()) { - return null; - } - - // Only fire when selection has actually changed. - var currentSelection = getSelection(activeElement$1); - if (!lastSelection || !shallowEqual(lastSelection, currentSelection)) { - lastSelection = currentSelection; - - var syntheticEvent = SyntheticEvent$1.getPooled(eventTypes$3.select, activeElementInst$1, nativeEvent, nativeEventTarget); - - syntheticEvent.type = 'select'; - syntheticEvent.target = activeElement$1; - - accumulateTwoPhaseDispatches(syntheticEvent); - - return syntheticEvent; - } - - return null; -} - -/** - * This plugin creates an `onSelect` event that normalizes select events - * across form elements. - * - * Supported elements are: - * - input (see `isTextInputElement`) - * - textarea - * - contentEditable - * - * This differs from native browser implementations in the following ways: - * - Fires on contentEditable fields as well as inputs. - * - Fires for collapsed selection. - * - Fires after user input. - */ -var SelectEventPlugin = { - eventTypes: eventTypes$3, - - extractEvents: function (topLevelType, targetInst, nativeEvent, nativeEventTarget) { - var doc = nativeEventTarget.window === nativeEventTarget ? nativeEventTarget.document : nativeEventTarget.nodeType === DOCUMENT_NODE ? nativeEventTarget : nativeEventTarget.ownerDocument; - // Track whether all listeners exists for this plugin. If none exist, we do - // not extract events. See #3639. - if (!doc || !isListeningToAllDependencies('onSelect', doc)) { - return null; - } - - var targetNode = targetInst ? getNodeFromInstance$1(targetInst) : window; - - switch (topLevelType) { - // Track the input node that has focus. - case 'topFocus': - if (isTextInputElement(targetNode) || targetNode.contentEditable === 'true') { - activeElement$1 = targetNode; - activeElementInst$1 = targetInst; - lastSelection = null; - } - break; - case 'topBlur': - activeElement$1 = null; - activeElementInst$1 = null; - lastSelection = null; - break; - // Don't fire the event while the user is dragging. This matches the - // semantics of the native select event. - case 'topMouseDown': - mouseDown = true; - break; - case 'topContextMenu': - case 'topMouseUp': - mouseDown = false; - return constructSelectEvent(nativeEvent, nativeEventTarget); - // Chrome and IE fire non-standard event when selection is changed (and - // sometimes when it hasn't). IE's event fires out of order with respect - // to key and input events on deletion, so we discard it. - // - // Firefox doesn't support selectionchange, so check selection status - // after each key entry. The selection changes after keydown and before - // keyup, but we check on keydown as well in the case of holding down a - // key, when multiple keydown events are fired but only one keyup is. - // This is also our approach for IE handling, for the reason above. - case 'topSelectionChange': - if (skipSelectionChangeEvent) { - break; - } - // falls through - case 'topKeyDown': - case 'topKeyUp': - return constructSelectEvent(nativeEvent, nativeEventTarget); - } - - return null; - } -}; - -/** - * @interface Event - * @see http://www.w3.org/TR/css3-animations/#AnimationEvent-interface - * @see https://developer.mozilla.org/en-US/docs/Web/API/AnimationEvent - */ -var AnimationEventInterface = { - animationName: null, - elapsedTime: null, - pseudoElement: null -}; - -/** - * @param {object} dispatchConfig Configuration used to dispatch this event. - * @param {string} dispatchMarker Marker identifying the event target. - * @param {object} nativeEvent Native browser event. - * @extends {SyntheticEvent} - */ -function SyntheticAnimationEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) { - return SyntheticEvent$1.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget); -} - -SyntheticEvent$1.augmentClass(SyntheticAnimationEvent, AnimationEventInterface); - -/** - * @interface Event - * @see http://www.w3.org/TR/clipboard-apis/ - */ -var ClipboardEventInterface = { - clipboardData: function (event) { - return 'clipboardData' in event ? event.clipboardData : window.clipboardData; - } -}; - -/** - * @param {object} dispatchConfig Configuration used to dispatch this event. - * @param {string} dispatchMarker Marker identifying the event target. - * @param {object} nativeEvent Native browser event. - * @extends {SyntheticEvent} - */ -function SyntheticClipboardEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) { - return SyntheticEvent$1.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget); -} - -SyntheticEvent$1.augmentClass(SyntheticClipboardEvent, ClipboardEventInterface); - -/** - * @interface FocusEvent - * @see http://www.w3.org/TR/DOM-Level-3-Events/ - */ -var FocusEventInterface = { - relatedTarget: null -}; - -/** - * @param {object} dispatchConfig Configuration used to dispatch this event. - * @param {string} dispatchMarker Marker identifying the event target. - * @param {object} nativeEvent Native browser event. - * @extends {SyntheticUIEvent} - */ -function SyntheticFocusEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) { - return SyntheticUIEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget); -} - -SyntheticUIEvent.augmentClass(SyntheticFocusEvent, FocusEventInterface); - -/** - * `charCode` represents the actual "character code" and is safe to use with - * `String.fromCharCode`. As such, only keys that correspond to printable - * characters produce a valid `charCode`, the only exception to this is Enter. - * The Tab-key is considered non-printable and does not have a `charCode`, - * presumably because it does not produce a tab-character in browsers. - * - * @param {object} nativeEvent Native browser event. - * @return {number} Normalized `charCode` property. - */ -function getEventCharCode(nativeEvent) { - var charCode; - var keyCode = nativeEvent.keyCode; - - if ('charCode' in nativeEvent) { - charCode = nativeEvent.charCode; - - // FF does not set `charCode` for the Enter-key, check against `keyCode`. - if (charCode === 0 && keyCode === 13) { - charCode = 13; - } - } else { - // IE8 does not implement `charCode`, but `keyCode` has the correct value. - charCode = keyCode; - } - - // Some non-printable keys are reported in `charCode`/`keyCode`, discard them. - // Must not discard the (non-)printable Enter-key. - if (charCode >= 32 || charCode === 13) { - return charCode; - } - - return 0; -} - -/** - * Normalization of deprecated HTML5 `key` values - * @see https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent#Key_names - */ -var normalizeKey = { - Esc: 'Escape', - Spacebar: ' ', - Left: 'ArrowLeft', - Up: 'ArrowUp', - Right: 'ArrowRight', - Down: 'ArrowDown', - Del: 'Delete', - Win: 'OS', - Menu: 'ContextMenu', - Apps: 'ContextMenu', - Scroll: 'ScrollLock', - MozPrintableKey: 'Unidentified' -}; +var normalizeKey = { + Esc: 'Escape', + Spacebar: ' ', + Left: 'ArrowLeft', + Up: 'ArrowUp', + Right: 'ArrowRight', + Down: 'ArrowDown', + Del: 'Delete', + Win: 'OS', + Menu: 'ContextMenu', + Apps: 'ContextMenu', + Scroll: 'ScrollLock', + MozPrintableKey: 'Unidentified' +}; /** * Translation from legacy `keyCode` to HTML5 `key` @@ -6428,7 +5955,7 @@ function getEventKey(nativeEvent) { * @interface KeyboardEvent * @see http://www.w3.org/TR/DOM-Level-3-Events/ */ -var KeyboardEventInterface = { +var SyntheticKeyboardEvent = SyntheticUIEvent.extend({ key: getEventKey, location: null, ctrlKey: null, @@ -6474,45 +6001,21 @@ var KeyboardEventInterface = { } return 0; } -}; - -/** - * @param {object} dispatchConfig Configuration used to dispatch this event. - * @param {string} dispatchMarker Marker identifying the event target. - * @param {object} nativeEvent Native browser event. - * @extends {SyntheticUIEvent} - */ -function SyntheticKeyboardEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) { - return SyntheticUIEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget); -} - -SyntheticUIEvent.augmentClass(SyntheticKeyboardEvent, KeyboardEventInterface); +}); /** * @interface DragEvent * @see http://www.w3.org/TR/DOM-Level-3-Events/ */ -var DragEventInterface = { +var SyntheticDragEvent = SyntheticMouseEvent.extend({ dataTransfer: null -}; - -/** - * @param {object} dispatchConfig Configuration used to dispatch this event. - * @param {string} dispatchMarker Marker identifying the event target. - * @param {object} nativeEvent Native browser event. - * @extends {SyntheticMouseEvent} - */ -function SyntheticDragEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) { - return SyntheticMouseEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget); -} - -SyntheticMouseEvent.augmentClass(SyntheticDragEvent, DragEventInterface); +}); /** * @interface TouchEvent * @see http://www.w3.org/TR/touch-events/ */ -var TouchEventInterface = { +var SyntheticTouchEvent = SyntheticUIEvent.extend({ touches: null, targetTouches: null, changedTouches: null, @@ -6521,48 +6024,24 @@ var TouchEventInterface = { ctrlKey: null, shiftKey: null, getModifierState: getEventModifierState -}; - -/** - * @param {object} dispatchConfig Configuration used to dispatch this event. - * @param {string} dispatchMarker Marker identifying the event target. - * @param {object} nativeEvent Native browser event. - * @extends {SyntheticUIEvent} - */ -function SyntheticTouchEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) { - return SyntheticUIEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget); -} - -SyntheticUIEvent.augmentClass(SyntheticTouchEvent, TouchEventInterface); +}); /** * @interface Event * @see http://www.w3.org/TR/2009/WD-css3-transitions-20090320/#transition-events- * @see https://developer.mozilla.org/en-US/docs/Web/API/TransitionEvent */ -var TransitionEventInterface = { +var SyntheticTransitionEvent = SyntheticEvent.extend({ propertyName: null, elapsedTime: null, pseudoElement: null -}; - -/** - * @param {object} dispatchConfig Configuration used to dispatch this event. - * @param {string} dispatchMarker Marker identifying the event target. - * @param {object} nativeEvent Native browser event. - * @extends {SyntheticEvent} - */ -function SyntheticTransitionEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) { - return SyntheticEvent$1.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget); -} - -SyntheticEvent$1.augmentClass(SyntheticTransitionEvent, TransitionEventInterface); +}); /** * @interface WheelEvent * @see http://www.w3.org/TR/DOM-Level-3-Events/ */ -var WheelEventInterface = { +var SyntheticWheelEvent = SyntheticMouseEvent.extend({ deltaX: function (event) { return 'deltaX' in event ? event.deltaX : // Fallback to `wheelDeltaX` for Webkit and normalize (right is positive). 'wheelDeltaX' in event ? -event.wheelDeltaX : 0; @@ -6572,6 +6051,7 @@ var WheelEventInterface = { 'wheelDeltaY' in event ? -event.wheelDeltaY : // Fallback to `wheelDelta` for IE<9 and normalize (down is positive). 'wheelDelta' in event ? -event.wheelDelta : 0; }, + deltaZ: null, // Browsers without "deltaMode" is reporting in raw wheel delta where one @@ -6579,19 +6059,7 @@ var WheelEventInterface = { // A good approximation of DOM_DELTA_LINE (1) is 5% of viewport size or // ~40 pixels, for DOM_DELTA_SCREEN (2) it is 87.5% of viewport size. deltaMode: null -}; - -/** - * @param {object} dispatchConfig Configuration used to dispatch this event. - * @param {string} dispatchMarker Marker identifying the event target. - * @param {object} nativeEvent Native browser event. - * @extends {SyntheticMouseEvent} - */ -function SyntheticWheelEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) { - return SyntheticMouseEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget); -} - -SyntheticMouseEvent.augmentClass(SyntheticWheelEvent, WheelEventInterface); +}); /** * Turns @@ -6603,46 +6071,67 @@ SyntheticMouseEvent.augmentClass(SyntheticWheelEvent, WheelEventInterface); * bubbled: 'onAbort', * captured: 'onAbortCapture', * }, - * dependencies: ['topAbort'], + * dependencies: [TOP_ABORT], * }, * ... * }; - * topLevelEventsToDispatchConfig = { - * 'topAbort': { sameConfig } - * }; + * topLevelEventsToDispatchConfig = new Map([ + * [TOP_ABORT, { sameConfig }], + * ]); */ + +var interactiveEventTypeNames = [[TOP_BLUR, 'blur'], [TOP_CANCEL, 'cancel'], [TOP_CLICK, 'click'], [TOP_CLOSE, 'close'], [TOP_CONTEXT_MENU, 'contextMenu'], [TOP_COPY, 'copy'], [TOP_CUT, 'cut'], [TOP_AUX_CLICK, 'auxClick'], [TOP_DOUBLE_CLICK, 'doubleClick'], [TOP_DRAG_END, 'dragEnd'], [TOP_DRAG_START, 'dragStart'], [TOP_DROP, 'drop'], [TOP_FOCUS, 'focus'], [TOP_INPUT, 'input'], [TOP_INVALID, 'invalid'], [TOP_KEY_DOWN, 'keyDown'], [TOP_KEY_PRESS, 'keyPress'], [TOP_KEY_UP, 'keyUp'], [TOP_MOUSE_DOWN, 'mouseDown'], [TOP_MOUSE_UP, 'mouseUp'], [TOP_PASTE, 'paste'], [TOP_PAUSE, 'pause'], [TOP_PLAY, 'play'], [TOP_POINTER_CANCEL, 'pointerCancel'], [TOP_POINTER_DOWN, 'pointerDown'], [TOP_POINTER_UP, 'pointerUp'], [TOP_RATE_CHANGE, 'rateChange'], [TOP_RESET, 'reset'], [TOP_SEEKED, 'seeked'], [TOP_SUBMIT, 'submit'], [TOP_TOUCH_CANCEL, 'touchCancel'], [TOP_TOUCH_END, 'touchEnd'], [TOP_TOUCH_START, 'touchStart'], [TOP_VOLUME_CHANGE, 'volumeChange']]; +var nonInteractiveEventTypeNames = [[TOP_ABORT, 'abort'], [TOP_ANIMATION_END, 'animationEnd'], [TOP_ANIMATION_ITERATION, 'animationIteration'], [TOP_ANIMATION_START, 'animationStart'], [TOP_CAN_PLAY, 'canPlay'], [TOP_CAN_PLAY_THROUGH, 'canPlayThrough'], [TOP_DRAG, 'drag'], [TOP_DRAG_ENTER, 'dragEnter'], [TOP_DRAG_EXIT, 'dragExit'], [TOP_DRAG_LEAVE, 'dragLeave'], [TOP_DRAG_OVER, 'dragOver'], [TOP_DURATION_CHANGE, 'durationChange'], [TOP_EMPTIED, 'emptied'], [TOP_ENCRYPTED, 'encrypted'], [TOP_ENDED, 'ended'], [TOP_ERROR, 'error'], [TOP_GOT_POINTER_CAPTURE, 'gotPointerCapture'], [TOP_LOAD, 'load'], [TOP_LOADED_DATA, 'loadedData'], [TOP_LOADED_METADATA, 'loadedMetadata'], [TOP_LOAD_START, 'loadStart'], [TOP_LOST_POINTER_CAPTURE, 'lostPointerCapture'], [TOP_MOUSE_MOVE, 'mouseMove'], [TOP_MOUSE_OUT, 'mouseOut'], [TOP_MOUSE_OVER, 'mouseOver'], [TOP_PLAYING, 'playing'], [TOP_POINTER_MOVE, 'pointerMove'], [TOP_POINTER_OUT, 'pointerOut'], [TOP_POINTER_OVER, 'pointerOver'], [TOP_PROGRESS, 'progress'], [TOP_SCROLL, 'scroll'], [TOP_SEEKING, 'seeking'], [TOP_STALLED, 'stalled'], [TOP_SUSPEND, 'suspend'], [TOP_TIME_UPDATE, 'timeUpdate'], [TOP_TOGGLE, 'toggle'], [TOP_TOUCH_MOVE, 'touchMove'], [TOP_TRANSITION_END, 'transitionEnd'], [TOP_WAITING, 'waiting'], [TOP_WHEEL, 'wheel']]; + var eventTypes$4 = {}; var topLevelEventsToDispatchConfig = {}; -['abort', 'animationEnd', 'animationIteration', 'animationStart', 'blur', 'cancel', 'canPlay', 'canPlayThrough', 'click', 'close', 'contextMenu', 'copy', 'cut', 'doubleClick', 'drag', 'dragEnd', 'dragEnter', 'dragExit', 'dragLeave', 'dragOver', 'dragStart', 'drop', 'durationChange', 'emptied', 'encrypted', 'ended', 'error', 'focus', 'input', 'invalid', 'keyDown', 'keyPress', 'keyUp', 'load', 'loadedData', 'loadedMetadata', 'loadStart', 'mouseDown', 'mouseMove', 'mouseOut', 'mouseOver', 'mouseUp', 'paste', 'pause', 'play', 'playing', 'progress', 'rateChange', 'reset', 'scroll', 'seeked', 'seeking', 'stalled', 'submit', 'suspend', 'timeUpdate', 'toggle', 'touchCancel', 'touchEnd', 'touchMove', 'touchStart', 'transitionEnd', 'volumeChange', 'waiting', 'wheel'].forEach(function (event) { + +function addEventTypeNameToConfig(_ref, isInteractive) { + var topEvent = _ref[0], + event = _ref[1]; + var capitalizedEvent = event[0].toUpperCase() + event.slice(1); var onEvent = 'on' + capitalizedEvent; - var topEvent = 'top' + capitalizedEvent; var type = { phasedRegistrationNames: { bubbled: onEvent, captured: onEvent + 'Capture' }, - dependencies: [topEvent] + dependencies: [topEvent], + isInteractive: isInteractive }; eventTypes$4[event] = type; topLevelEventsToDispatchConfig[topEvent] = type; +} + +interactiveEventTypeNames.forEach(function (eventTuple) { + addEventTypeNameToConfig(eventTuple, true); +}); +nonInteractiveEventTypeNames.forEach(function (eventTuple) { + addEventTypeNameToConfig(eventTuple, false); }); // Only used in DEV for exhaustiveness validation. -var knownHTMLTopLevelTypes = ['topAbort', 'topCancel', 'topCanPlay', 'topCanPlayThrough', 'topClose', 'topDurationChange', 'topEmptied', 'topEncrypted', 'topEnded', 'topError', 'topInput', 'topInvalid', 'topLoad', 'topLoadedData', 'topLoadedMetadata', 'topLoadStart', 'topPause', 'topPlay', 'topPlaying', 'topProgress', 'topRateChange', 'topReset', 'topSeeked', 'topSeeking', 'topStalled', 'topSubmit', 'topSuspend', 'topTimeUpdate', 'topToggle', 'topVolumeChange', 'topWaiting']; +var knownHTMLTopLevelTypes = [TOP_ABORT, TOP_CANCEL, TOP_CAN_PLAY, TOP_CAN_PLAY_THROUGH, TOP_CLOSE, TOP_DURATION_CHANGE, TOP_EMPTIED, TOP_ENCRYPTED, TOP_ENDED, TOP_ERROR, TOP_INPUT, TOP_INVALID, TOP_LOAD, TOP_LOADED_DATA, TOP_LOADED_METADATA, TOP_LOAD_START, TOP_PAUSE, TOP_PLAY, TOP_PLAYING, TOP_PROGRESS, TOP_RATE_CHANGE, TOP_RESET, TOP_SEEKED, TOP_SEEKING, TOP_STALLED, TOP_SUBMIT, TOP_SUSPEND, TOP_TIME_UPDATE, TOP_TOGGLE, TOP_VOLUME_CHANGE, TOP_WAITING]; var SimpleEventPlugin = { eventTypes: eventTypes$4, + isInteractiveTopLevelEventType: function (topLevelType) { + var config = topLevelEventsToDispatchConfig[topLevelType]; + return config !== undefined && config.isInteractive === true; + }, + + extractEvents: function (topLevelType, targetInst, nativeEvent, nativeEventTarget) { var dispatchConfig = topLevelEventsToDispatchConfig[topLevelType]; if (!dispatchConfig) { return null; } - var EventConstructor; + var EventConstructor = void 0; switch (topLevelType) { - case 'topKeyPress': + case TOP_KEY_PRESS: // Firefox creates a keypress event for function keys too. This removes // the unwanted keypress events. Enter is however both printable and // non-printable. One would expect Tab to be as well (but it isn't). @@ -6650,76 +6139,87 @@ var SimpleEventPlugin = { return null; } /* falls through */ - case 'topKeyDown': - case 'topKeyUp': + case TOP_KEY_DOWN: + case TOP_KEY_UP: EventConstructor = SyntheticKeyboardEvent; break; - case 'topBlur': - case 'topFocus': + case TOP_BLUR: + case TOP_FOCUS: EventConstructor = SyntheticFocusEvent; break; - case 'topClick': + case TOP_CLICK: // Firefox creates a click event on right mouse clicks. This removes the // unwanted click events. if (nativeEvent.button === 2) { return null; } /* falls through */ - case 'topDoubleClick': - case 'topMouseDown': - case 'topMouseMove': - case 'topMouseUp': + case TOP_AUX_CLICK: + case TOP_DOUBLE_CLICK: + case TOP_MOUSE_DOWN: + case TOP_MOUSE_MOVE: + case TOP_MOUSE_UP: // TODO: Disabled elements should not respond to mouse events /* falls through */ - case 'topMouseOut': - case 'topMouseOver': - case 'topContextMenu': + case TOP_MOUSE_OUT: + case TOP_MOUSE_OVER: + case TOP_CONTEXT_MENU: EventConstructor = SyntheticMouseEvent; break; - case 'topDrag': - case 'topDragEnd': - case 'topDragEnter': - case 'topDragExit': - case 'topDragLeave': - case 'topDragOver': - case 'topDragStart': - case 'topDrop': + case TOP_DRAG: + case TOP_DRAG_END: + case TOP_DRAG_ENTER: + case TOP_DRAG_EXIT: + case TOP_DRAG_LEAVE: + case TOP_DRAG_OVER: + case TOP_DRAG_START: + case TOP_DROP: EventConstructor = SyntheticDragEvent; break; - case 'topTouchCancel': - case 'topTouchEnd': - case 'topTouchMove': - case 'topTouchStart': + case TOP_TOUCH_CANCEL: + case TOP_TOUCH_END: + case TOP_TOUCH_MOVE: + case TOP_TOUCH_START: EventConstructor = SyntheticTouchEvent; break; - case 'topAnimationEnd': - case 'topAnimationIteration': - case 'topAnimationStart': + case TOP_ANIMATION_END: + case TOP_ANIMATION_ITERATION: + case TOP_ANIMATION_START: EventConstructor = SyntheticAnimationEvent; break; - case 'topTransitionEnd': + case TOP_TRANSITION_END: EventConstructor = SyntheticTransitionEvent; break; - case 'topScroll': + case TOP_SCROLL: EventConstructor = SyntheticUIEvent; break; - case 'topWheel': + case TOP_WHEEL: EventConstructor = SyntheticWheelEvent; break; - case 'topCopy': - case 'topCut': - case 'topPaste': + case TOP_COPY: + case TOP_CUT: + case TOP_PASTE: EventConstructor = SyntheticClipboardEvent; break; + case TOP_GOT_POINTER_CAPTURE: + case TOP_LOST_POINTER_CAPTURE: + case TOP_POINTER_CANCEL: + case TOP_POINTER_DOWN: + case TOP_POINTER_MOVE: + case TOP_POINTER_OUT: + case TOP_POINTER_OVER: + case TOP_POINTER_UP: + EventConstructor = SyntheticPointerEvent; + break; default: { if (knownHTMLTopLevelTypes.indexOf(topLevelType) === -1) { - warning(false, 'SimpleEventPlugin: Unhandled event type, `%s`. This warning ' + 'is likely caused by a bug in React. Please file an issue.', topLevelType); + warningWithoutStack$1(false, 'SimpleEventPlugin: Unhandled event type, `%s`. This warning ' + 'is likely caused by a bug in React. Please file an issue.', topLevelType); } } // HTML Events // @see http://www.w3.org/TR/html5/index.html#events-0 - EventConstructor = SyntheticEvent$1; + EventConstructor = SyntheticEvent; break; } var event = EventConstructor.getPooled(dispatchConfig, targetInst, nativeEvent, nativeEventTarget); @@ -6728,8375 +6228,1991 @@ var SimpleEventPlugin = { } }; -setHandleTopLevel(handleTopLevel); +var isInteractiveTopLevelEventType = SimpleEventPlugin.isInteractiveTopLevelEventType; -/** - * Inject modules for resolving DOM hierarchy and plugin ordering. - */ -injection$1.injectEventPluginOrder(DOMEventPluginOrder); -injection$2.injectComponentTree(ReactDOMComponentTree); + +var CALLBACK_BOOKKEEPING_POOL_SIZE = 10; +var callbackBookkeepingPool = []; /** - * Some important event plugins included by default (without having to require - * them). + * Find the deepest React component completely containing the root of the + * passed-in instance (for use when entire React trees are nested within each + * other). If React trees are not nested, returns null. */ -injection$1.injectEventPluginsByName({ - SimpleEventPlugin: SimpleEventPlugin, - EnterLeaveEventPlugin: EnterLeaveEventPlugin, - ChangeEventPlugin: ChangeEventPlugin, - SelectEventPlugin: SelectEventPlugin, - BeforeInputEventPlugin: BeforeInputEventPlugin -}); - -var enableAsyncSubtreeAPI = true; -var enableAsyncSchedulingByDefaultInReactDOM = false; -// Exports ReactDOM.createRoot -var enableCreateRoot = false; -var enableUserTimingAPI = true; - -// Mutating mode (React DOM, React ART, React Native): -var enableMutatingReconciler = true; -// Experimental noop mode (currently unused): -var enableNoopReconciler = false; -// Experimental persistent mode (CS): -var enablePersistentReconciler = false; - -// Helps identify side effects in begin-phase lifecycle hooks and setState reducers: -var debugRenderPhaseSideEffects = false; - -// Only used in www builds. - -var valueStack = []; - -{ - var fiberStack = []; +function findRootContainerNode(inst) { + // TODO: It may be a good idea to cache this to prevent unnecessary DOM + // traversal, but caching is difficult to do correctly without using a + // mutation observer to listen for all DOM changes. + while (inst.return) { + inst = inst.return; + } + if (inst.tag !== HostRoot) { + // This can happen if we're in a detached tree. + return null; + } + return inst.stateNode.containerInfo; } -var index = -1; - -function createCursor(defaultValue) { +// Used to store ancestor hierarchy in top level callback +function getTopLevelCallbackBookKeeping(topLevelType, nativeEvent, targetInst) { + if (callbackBookkeepingPool.length) { + var instance = callbackBookkeepingPool.pop(); + instance.topLevelType = topLevelType; + instance.nativeEvent = nativeEvent; + instance.targetInst = targetInst; + return instance; + } return { - current: defaultValue + topLevelType: topLevelType, + nativeEvent: nativeEvent, + targetInst: targetInst, + ancestors: [] }; } +function releaseTopLevelCallbackBookKeeping(instance) { + instance.topLevelType = null; + instance.nativeEvent = null; + instance.targetInst = null; + instance.ancestors.length = 0; + if (callbackBookkeepingPool.length < CALLBACK_BOOKKEEPING_POOL_SIZE) { + callbackBookkeepingPool.push(instance); + } +} +function handleTopLevel(bookKeeping) { + var targetInst = bookKeeping.targetInst; -function pop(cursor, fiber) { - if (index < 0) { - { - warning(false, 'Unexpected pop.'); + // Loop through the hierarchy, in case there's any nested components. + // It's important that we build the array of ancestors before calling any + // event handlers, because event handlers can modify the DOM, leading to + // inconsistencies with ReactMount's node cache. See #1105. + var ancestor = targetInst; + do { + if (!ancestor) { + bookKeeping.ancestors.push(ancestor); + break; } - return; - } - - { - if (fiber !== fiberStack[index]) { - warning(false, 'Unexpected Fiber popped.'); + var root = findRootContainerNode(ancestor); + if (!root) { + break; } - } + bookKeeping.ancestors.push(ancestor); + ancestor = getClosestInstanceFromNode(root); + } while (ancestor); - cursor.current = valueStack[index]; + for (var i = 0; i < bookKeeping.ancestors.length; i++) { + targetInst = bookKeeping.ancestors[i]; + runExtractedEventsInBatch(bookKeeping.topLevelType, targetInst, bookKeeping.nativeEvent, getEventTarget(bookKeeping.nativeEvent)); + } +} - valueStack[index] = null; +// TODO: can we stop exporting these? +var _enabled = true; - { - fiberStack[index] = null; - } +function setEnabled(enabled) { + _enabled = !!enabled; +} - index--; +function isEnabled() { + return _enabled; } -function push(cursor, value, fiber) { - index++; +/** + * Traps top-level events by using event bubbling. + * + * @param {number} topLevelType Number from `TopLevelEventTypes`. + * @param {object} element Element on which to attach listener. + * @return {?object} An object with a remove function which will forcefully + * remove the listener. + * @internal + */ +function trapBubbledEvent(topLevelType, element) { + if (!element) { + return null; + } + var dispatch = isInteractiveTopLevelEventType(topLevelType) ? dispatchInteractiveEvent : dispatchEvent; - valueStack[index] = cursor.current; + addEventBubbleListener(element, getRawEventName(topLevelType), + // Check if interactive and wrap in interactiveUpdates + dispatch.bind(null, topLevelType)); +} - { - fiberStack[index] = fiber; +/** + * Traps a top-level event by using event capturing. + * + * @param {number} topLevelType Number from `TopLevelEventTypes`. + * @param {object} element Element on which to attach listener. + * @return {?object} An object with a remove function which will forcefully + * remove the listener. + * @internal + */ +function trapCapturedEvent(topLevelType, element) { + if (!element) { + return null; } + var dispatch = isInteractiveTopLevelEventType(topLevelType) ? dispatchInteractiveEvent : dispatchEvent; - cursor.current = value; + addEventCaptureListener(element, getRawEventName(topLevelType), + // Check if interactive and wrap in interactiveUpdates + dispatch.bind(null, topLevelType)); } -function reset$1() { - while (index > -1) { - valueStack[index] = null; +function dispatchInteractiveEvent(topLevelType, nativeEvent) { + interactiveUpdates(dispatchEvent, topLevelType, nativeEvent); +} - { - fiberStack[index] = null; - } +function dispatchEvent(topLevelType, nativeEvent) { + if (!_enabled) { + return; + } - index--; + var nativeEventTarget = getEventTarget(nativeEvent); + var targetInst = getClosestInstanceFromNode(nativeEventTarget); + if (targetInst !== null && typeof targetInst.tag === 'number' && !isFiberMounted(targetInst)) { + // If we get an event (ex: img onload) before committing that + // component's mount, ignore it for now (that is, treat it as if it was an + // event on a non-React tree). We might also consider queueing events and + // dispatching them after the mount. + targetInst = null; } -} -var describeComponentFrame = function (name, source, ownerName) { - return '\n in ' + (name || 'Unknown') + (source ? ' (at ' + source.fileName.replace(/^.*[\\\/]/, '') + ':' + source.lineNumber + ')' : ownerName ? ' (created by ' + ownerName + ')' : ''); -}; + var bookKeeping = getTopLevelCallbackBookKeeping(topLevelType, nativeEvent, targetInst); -function describeFiber(fiber) { - switch (fiber.tag) { - case IndeterminateComponent: - case FunctionalComponent: - case ClassComponent: - case HostComponent: - var owner = fiber._debugOwner; - var source = fiber._debugSource; - var name = getComponentName(fiber); - var ownerName = null; - if (owner) { - ownerName = getComponentName(owner); - } - return describeComponentFrame(name, source, ownerName); - default: - return ''; + try { + // Event queue being processed in the same cycle allows + // `preventDefault`. + batchedUpdates(handleTopLevel, bookKeeping); + } finally { + releaseTopLevelCallbackBookKeeping(bookKeeping); } } -// This function can only be called with a work-in-progress fiber and -// only during begin or complete phase. Do not call it under any other -// circumstances. -function getStackAddendumByWorkInProgressFiber(workInProgress) { - var info = ''; - var node = workInProgress; - do { - info += describeFiber(node); - // Otherwise this return pointer might point to the wrong tree: - node = node['return']; - } while (node); - return info; -} +/** + * Summary of `ReactBrowserEventEmitter` event handling: + * + * - Top-level delegation is used to trap most native browser events. This + * may only occur in the main thread and is the responsibility of + * ReactDOMEventListener, which is injected and can therefore support + * pluggable event sources. This is the only work that occurs in the main + * thread. + * + * - We normalize and de-duplicate events to account for browser quirks. This + * may be done in the worker thread. + * + * - Forward these native events (with the associated top-level type used to + * trap it) to `EventPluginHub`, which in turn will ask plugins if they want + * to extract any synthetic events. + * + * - The `EventPluginHub` will then process each event by annotating them with + * "dispatches", a sequence of listeners and IDs that care about that event. + * + * - The `EventPluginHub` then dispatches the events. + * + * Overview of React and the event system: + * + * +------------+ . + * | DOM | . + * +------------+ . + * | . + * v . + * +------------+ . + * | ReactEvent | . + * | Listener | . + * +------------+ . +-----------+ + * | . +--------+|SimpleEvent| + * | . | |Plugin | + * +-----|------+ . v +-----------+ + * | | | . +--------------+ +------------+ + * | +-----------.--->|EventPluginHub| | Event | + * | | . | | +-----------+ | Propagators| + * | ReactEvent | . | | |TapEvent | |------------| + * | Emitter | . | |<---+|Plugin | |other plugin| + * | | . | | +-----------+ | utilities | + * | +-----------.--->| | +------------+ + * | | | . +--------------+ + * +-----|------+ . ^ +-----------+ + * | . | |Enter/Leave| + * + . +-------+|Plugin | + * +-------------+ . +-----------+ + * | application | . + * |-------------| . + * | | . + * | | . + * +-------------+ . + * . + * React Core . General Purpose Event Plugin System + */ -function getCurrentFiberOwnerName() { - { - var fiber = ReactDebugCurrentFiber.current; - if (fiber === null) { - return null; - } - var owner = fiber._debugOwner; - if (owner !== null && typeof owner !== 'undefined') { - return getComponentName(owner); - } +var alreadyListeningTo = {}; +var reactTopListenersCounter = 0; + +/** + * To ensure no conflicts with other potential React instances on the page + */ +var topListenersIDKey = '_reactListenersID' + ('' + Math.random()).slice(2); + +function getListeningForDocument(mountAt) { + // In IE8, `mountAt` is a host object and doesn't have `hasOwnProperty` + // directly. + if (!Object.prototype.hasOwnProperty.call(mountAt, topListenersIDKey)) { + mountAt[topListenersIDKey] = reactTopListenersCounter++; + alreadyListeningTo[mountAt[topListenersIDKey]] = {}; } - return null; + return alreadyListeningTo[mountAt[topListenersIDKey]]; } -function getCurrentFiberStackAddendum() { - { - var fiber = ReactDebugCurrentFiber.current; - if (fiber === null) { - return null; +/** + * We listen for bubbled touch events on the document object. + * + * Firefox v8.01 (and possibly others) exhibited strange behavior when + * mounting `onmousemove` events at some node that was not the document + * element. The symptoms were that if your mouse is not moving over something + * contained within that mount point (for example on the background) the + * top-level listeners for `onmousemove` won't be called. However, if you + * register the `mousemove` on the document object, then it will of course + * catch all `mousemove`s. This along with iOS quirks, justifies restricting + * top-level listeners to the document object only, at least for these + * movement types of events and possibly all events. + * + * @see http://www.quirksmode.org/blog/archives/2010/09/click_event_del.html + * + * Also, `keyup`/`keypress`/`keydown` do not bubble to the window on IE, but + * they bubble to document. + * + * @param {string} registrationName Name of listener (e.g. `onClick`). + * @param {object} mountAt Container where to mount the listener + */ +function listenTo(registrationName, mountAt) { + var isListening = getListeningForDocument(mountAt); + var dependencies = registrationNameDependencies[registrationName]; + + for (var i = 0; i < dependencies.length; i++) { + var dependency = dependencies[i]; + if (!(isListening.hasOwnProperty(dependency) && isListening[dependency])) { + switch (dependency) { + case TOP_SCROLL: + trapCapturedEvent(TOP_SCROLL, mountAt); + break; + case TOP_FOCUS: + case TOP_BLUR: + trapCapturedEvent(TOP_FOCUS, mountAt); + trapCapturedEvent(TOP_BLUR, mountAt); + // We set the flag for a single dependency later in this function, + // but this ensures we mark both as attached rather than just one. + isListening[TOP_BLUR] = true; + isListening[TOP_FOCUS] = true; + break; + case TOP_CANCEL: + case TOP_CLOSE: + if (isEventSupported(getRawEventName(dependency))) { + trapCapturedEvent(dependency, mountAt); + } + break; + case TOP_INVALID: + case TOP_SUBMIT: + case TOP_RESET: + // We listen to them on the target DOM elements. + // Some of them bubble so we don't want them to fire twice. + break; + default: + // By default, listen on the top level to all non-media events. + // Media events don't bubble so adding the listener wouldn't do anything. + var isMediaEvent = mediaEventTypes.indexOf(dependency) !== -1; + if (!isMediaEvent) { + trapBubbledEvent(dependency, mountAt); + } + break; + } + isListening[dependency] = true; } - // Safe because if current fiber exists, we are reconciling, - // and it is guaranteed to be the work-in-progress version. - return getStackAddendumByWorkInProgressFiber(fiber); } - return null; } -function resetCurrentFiber() { - ReactDebugCurrentFrame.getCurrentStack = null; - ReactDebugCurrentFiber.current = null; - ReactDebugCurrentFiber.phase = null; +function isListeningToAllDependencies(registrationName, mountAt) { + var isListening = getListeningForDocument(mountAt); + var dependencies = registrationNameDependencies[registrationName]; + for (var i = 0; i < dependencies.length; i++) { + var dependency = dependencies[i]; + if (!(isListening.hasOwnProperty(dependency) && isListening[dependency])) { + return false; + } + } + return true; } -function setCurrentFiber(fiber) { - ReactDebugCurrentFrame.getCurrentStack = getCurrentFiberStackAddendum; - ReactDebugCurrentFiber.current = fiber; - ReactDebugCurrentFiber.phase = null; +function getActiveElement(doc) { + doc = doc || (typeof document !== 'undefined' ? document : undefined); + if (typeof doc === 'undefined') { + return null; + } + try { + return doc.activeElement || doc.body; + } catch (e) { + return doc.body; + } } -function setCurrentPhase(phase) { - ReactDebugCurrentFiber.phase = phase; +/** + * Given any node return the first leaf node without children. + * + * @param {DOMElement|DOMTextNode} node + * @return {DOMElement|DOMTextNode} + */ +function getLeafNode(node) { + while (node && node.firstChild) { + node = node.firstChild; + } + return node; } -var ReactDebugCurrentFiber = { - current: null, - phase: null, - resetCurrentFiber: resetCurrentFiber, - setCurrentFiber: setCurrentFiber, - setCurrentPhase: setCurrentPhase, - getCurrentFiberOwnerName: getCurrentFiberOwnerName, - getCurrentFiberStackAddendum: getCurrentFiberStackAddendum -}; - -// Prefix measurements so that it's possible to filter them. -// Longer prefixes are hard to read in DevTools. -var reactEmoji = '\u269B'; -var warningEmoji = '\u26D4'; -var supportsUserTiming = typeof performance !== 'undefined' && typeof performance.mark === 'function' && typeof performance.clearMarks === 'function' && typeof performance.measure === 'function' && typeof performance.clearMeasures === 'function'; - -// Keep track of current fiber so that we know the path to unwind on pause. -// TODO: this looks the same as nextUnitOfWork in scheduler. Can we unify them? -var currentFiber = null; -// If we're in the middle of user code, which fiber and method is it? -// Reusing `currentFiber` would be confusing for this because user code fiber -// can change during commit phase too, but we don't need to unwind it (since -// lifecycles in the commit phase don't resemble a tree). -var currentPhase = null; -var currentPhaseFiber = null; -// Did lifecycle hook schedule an update? This is often a performance problem, -// so we will keep track of it, and include it in the report. -// Track commits caused by cascading updates. -var isCommitting = false; -var hasScheduledUpdateInCurrentCommit = false; -var hasScheduledUpdateInCurrentPhase = false; -var commitCountInCurrentWorkLoop = 0; -var effectCountInCurrentCommit = 0; -var isWaitingForCallback = false; -// During commits, we only show a measurement once per method name -// to avoid stretch the commit phase with measurement overhead. -var labelsInCurrentCommit = new Set(); +/** + * Get the next sibling within a container. This will walk up the + * DOM if a node's siblings have been exhausted. + * + * @param {DOMElement|DOMTextNode} node + * @return {?DOMElement|DOMTextNode} + */ +function getSiblingNode(node) { + while (node) { + if (node.nextSibling) { + return node.nextSibling; + } + node = node.parentNode; + } +} -var formatMarkName = function (markName) { - return reactEmoji + ' ' + markName; -}; +/** + * Get object describing the nodes which contain characters at offset. + * + * @param {DOMElement|DOMTextNode} root + * @param {number} offset + * @return {?object} + */ +function getNodeForCharacterOffset(root, offset) { + var node = getLeafNode(root); + var nodeStart = 0; + var nodeEnd = 0; -var formatLabel = function (label, warning$$1) { - var prefix = warning$$1 ? warningEmoji + ' ' : reactEmoji + ' '; - var suffix = warning$$1 ? ' Warning: ' + warning$$1 : ''; - return '' + prefix + label + suffix; -}; + while (node) { + if (node.nodeType === TEXT_NODE) { + nodeEnd = nodeStart + node.textContent.length; -var beginMark = function (markName) { - performance.mark(formatMarkName(markName)); -}; + if (nodeStart <= offset && nodeEnd >= offset) { + return { + node: node, + offset: offset - nodeStart + }; + } -var clearMark = function (markName) { - performance.clearMarks(formatMarkName(markName)); -}; + nodeStart = nodeEnd; + } -var endMark = function (label, markName, warning$$1) { - var formattedMarkName = formatMarkName(markName); - var formattedLabel = formatLabel(label, warning$$1); - try { - performance.measure(formattedLabel, formattedMarkName); - } catch (err) {} - // If previous mark was missing for some reason, this will throw. - // This could only happen if React crashed in an unexpected place earlier. - // Don't pile on with more errors. + node = getLeafNode(getSiblingNode(node)); + } +} - // Clear marks immediately to avoid growing buffer. - performance.clearMarks(formattedMarkName); - performance.clearMeasures(formattedLabel); -}; +/** + * @param {DOMElement} outerNode + * @return {?object} + */ +function getOffsets(outerNode) { + var ownerDocument = outerNode.ownerDocument; -var getFiberMarkName = function (label, debugID) { - return label + ' (#' + debugID + ')'; -}; + var win = ownerDocument && ownerDocument.defaultView || window; + var selection = win.getSelection && win.getSelection(); -var getFiberLabel = function (componentName, isMounted, phase) { - if (phase === null) { - // These are composite component total time measurements. - return componentName + ' [' + (isMounted ? 'update' : 'mount') + ']'; - } else { - // Composite component methods. - return componentName + '.' + phase; + if (!selection || selection.rangeCount === 0) { + return null; } -}; -var beginFiberMark = function (fiber, phase) { - var componentName = getComponentName(fiber) || 'Unknown'; - var debugID = fiber._debugID; - var isMounted = fiber.alternate !== null; - var label = getFiberLabel(componentName, isMounted, phase); + var anchorNode = selection.anchorNode, + anchorOffset = selection.anchorOffset, + focusNode = selection.focusNode, + focusOffset = selection.focusOffset; - if (isCommitting && labelsInCurrentCommit.has(label)) { - // During the commit phase, we don't show duplicate labels because - // there is a fixed overhead for every measurement, and we don't - // want to stretch the commit phase beyond necessary. - return false; + // In Firefox, anchorNode and focusNode can be "anonymous divs", e.g. the + // up/down buttons on an . Anonymous divs do not seem to + // expose properties, triggering a "Permission denied error" if any of its + // properties are accessed. The only seemingly possible way to avoid erroring + // is to access a property that typically works for non-anonymous divs and + // catch any error that may otherwise arise. See + // https://bugzilla.mozilla.org/show_bug.cgi?id=208427 + + try { + /* eslint-disable no-unused-expressions */ + anchorNode.nodeType; + focusNode.nodeType; + /* eslint-enable no-unused-expressions */ + } catch (e) { + return null; } - labelsInCurrentCommit.add(label); - var markName = getFiberMarkName(label, debugID); - beginMark(markName); - return true; -}; + return getModernOffsetsFromPoints(outerNode, anchorNode, anchorOffset, focusNode, focusOffset); +} -var clearFiberMark = function (fiber, phase) { - var componentName = getComponentName(fiber) || 'Unknown'; - var debugID = fiber._debugID; - var isMounted = fiber.alternate !== null; - var label = getFiberLabel(componentName, isMounted, phase); - var markName = getFiberMarkName(label, debugID); - clearMark(markName); -}; +/** + * Returns {start, end} where `start` is the character/codepoint index of + * (anchorNode, anchorOffset) within the textContent of `outerNode`, and + * `end` is the index of (focusNode, focusOffset). + * + * Returns null if you pass in garbage input but we should probably just crash. + * + * Exported only for testing. + */ +function getModernOffsetsFromPoints(outerNode, anchorNode, anchorOffset, focusNode, focusOffset) { + var length = 0; + var start = -1; + var end = -1; + var indexWithinAnchor = 0; + var indexWithinFocus = 0; + var node = outerNode; + var parentNode = null; -var endFiberMark = function (fiber, phase, warning$$1) { - var componentName = getComponentName(fiber) || 'Unknown'; - var debugID = fiber._debugID; - var isMounted = fiber.alternate !== null; - var label = getFiberLabel(componentName, isMounted, phase); - var markName = getFiberMarkName(label, debugID); - endMark(label, markName, warning$$1); -}; + outer: while (true) { + var next = null; -var shouldIgnoreFiber = function (fiber) { - // Host components should be skipped in the timeline. - // We could check typeof fiber.type, but does this work with RN? - switch (fiber.tag) { - case HostRoot: - case HostComponent: - case HostText: - case HostPortal: - case ReturnComponent: - case Fragment: - return true; - default: - return false; - } -}; + while (true) { + if (node === anchorNode && (anchorOffset === 0 || node.nodeType === TEXT_NODE)) { + start = length + anchorOffset; + } + if (node === focusNode && (focusOffset === 0 || node.nodeType === TEXT_NODE)) { + end = length + focusOffset; + } -var clearPendingPhaseMeasurement = function () { - if (currentPhase !== null && currentPhaseFiber !== null) { - clearFiberMark(currentPhaseFiber, currentPhase); - } - currentPhaseFiber = null; - currentPhase = null; - hasScheduledUpdateInCurrentPhase = false; -}; + if (node.nodeType === TEXT_NODE) { + length += node.nodeValue.length; + } -var pauseTimers = function () { - // Stops all currently active measurements so that they can be resumed - // if we continue in a later deferred loop from the same unit of work. - var fiber = currentFiber; - while (fiber) { - if (fiber._debugIsCurrentlyTiming) { - endFiberMark(fiber, null, null); + if ((next = node.firstChild) === null) { + break; + } + // Moving from `node` to its first child `next`. + parentNode = node; + node = next; } - fiber = fiber['return']; - } -}; - -var resumeTimersRecursively = function (fiber) { - if (fiber['return'] !== null) { - resumeTimersRecursively(fiber['return']); - } - if (fiber._debugIsCurrentlyTiming) { - beginFiberMark(fiber, null); - } -}; -var resumeTimers = function () { - // Resumes all measurements that were active during the last deferred loop. - if (currentFiber !== null) { - resumeTimersRecursively(currentFiber); - } -}; + while (true) { + if (node === outerNode) { + // If `outerNode` has children, this is always the second time visiting + // it. If it has no children, this is still the first loop, and the only + // valid selection is anchorNode and focusNode both equal to this node + // and both offsets 0, in which case we will have handled above. + break outer; + } + if (parentNode === anchorNode && ++indexWithinAnchor === anchorOffset) { + start = length; + } + if (parentNode === focusNode && ++indexWithinFocus === focusOffset) { + end = length; + } + if ((next = node.nextSibling) !== null) { + break; + } + node = parentNode; + parentNode = node.parentNode; + } -function recordEffect() { - if (enableUserTimingAPI) { - effectCountInCurrentCommit++; + // Moving from `node` to its next sibling `next`. + node = next; } -} -function recordScheduleUpdate() { - if (enableUserTimingAPI) { - if (isCommitting) { - hasScheduledUpdateInCurrentCommit = true; - } - if (currentPhase !== null && currentPhase !== 'componentWillMount' && currentPhase !== 'componentWillReceiveProps') { - hasScheduledUpdateInCurrentPhase = true; - } + if (start === -1 || end === -1) { + // This should never happen. (Would happen if the anchor/focus nodes aren't + // actually inside the passed-in node.) + return null; } + + return { + start: start, + end: end + }; } -function startRequestCallbackTimer() { - if (enableUserTimingAPI) { - if (supportsUserTiming && !isWaitingForCallback) { - isWaitingForCallback = true; - beginMark('(Waiting for async callback...)'); - } +/** + * In modern non-IE browsers, we can support both forward and backward + * selections. + * + * Note: IE10+ supports the Selection object, but it does not support + * the `extend` method, which means that even in modern IE, it's not possible + * to programmatically create a backward selection. Thus, for all IE + * versions, we use the old IE API to create our selections. + * + * @param {DOMElement|DOMTextNode} node + * @param {object} offsets + */ +function setOffsets(node, offsets) { + var doc = node.ownerDocument || document; + var win = doc && doc.defaultView || window; + + // Edge fails with "Object expected" in some scenarios. + // (For instance: TinyMCE editor used in a list component that supports pasting to add more, + // fails when pasting 100+ items) + if (!win.getSelection) { + return; } -} -function stopRequestCallbackTimer(didExpire) { - if (enableUserTimingAPI) { - if (supportsUserTiming) { - isWaitingForCallback = false; - var warning$$1 = didExpire ? 'React was blocked by main thread' : null; - endMark('(Waiting for async callback...)', '(Waiting for async callback...)', warning$$1); - } + var selection = win.getSelection(); + var length = node.textContent.length; + var start = Math.min(offsets.start, length); + var end = offsets.end === undefined ? start : Math.min(offsets.end, length); + + // IE 11 uses modern selection, but doesn't support the extend method. + // Flip backward selections, so we can set with a single range. + if (!selection.extend && start > end) { + var temp = end; + end = start; + start = temp; } -} -function startWorkTimer(fiber) { - if (enableUserTimingAPI) { - if (!supportsUserTiming || shouldIgnoreFiber(fiber)) { + var startMarker = getNodeForCharacterOffset(node, start); + var endMarker = getNodeForCharacterOffset(node, end); + + if (startMarker && endMarker) { + if (selection.rangeCount === 1 && selection.anchorNode === startMarker.node && selection.anchorOffset === startMarker.offset && selection.focusNode === endMarker.node && selection.focusOffset === endMarker.offset) { return; } - // If we pause, this is the fiber to unwind from. - currentFiber = fiber; - if (!beginFiberMark(fiber, null)) { - return; + var range = doc.createRange(); + range.setStart(startMarker.node, startMarker.offset); + selection.removeAllRanges(); + + if (start > end) { + selection.addRange(range); + selection.extend(endMarker.node, endMarker.offset); + } else { + range.setEnd(endMarker.node, endMarker.offset); + selection.addRange(range); } - fiber._debugIsCurrentlyTiming = true; } } -function cancelWorkTimer(fiber) { - if (enableUserTimingAPI) { - if (!supportsUserTiming || shouldIgnoreFiber(fiber)) { - return; - } - // Remember we shouldn't complete measurement for this fiber. - // Otherwise flamechart will be deep even for small updates. - fiber._debugIsCurrentlyTiming = false; - clearFiberMark(fiber, null); - } +function isTextNode(node) { + return node && node.nodeType === TEXT_NODE; } -function stopWorkTimer(fiber) { - if (enableUserTimingAPI) { - if (!supportsUserTiming || shouldIgnoreFiber(fiber)) { - return; - } - // If we pause, its parent is the fiber to unwind from. - currentFiber = fiber['return']; - if (!fiber._debugIsCurrentlyTiming) { - return; - } - fiber._debugIsCurrentlyTiming = false; - endFiberMark(fiber, null, null); +function containsNode(outerNode, innerNode) { + if (!outerNode || !innerNode) { + return false; + } else if (outerNode === innerNode) { + return true; + } else if (isTextNode(outerNode)) { + return false; + } else if (isTextNode(innerNode)) { + return containsNode(outerNode, innerNode.parentNode); + } else if ('contains' in outerNode) { + return outerNode.contains(innerNode); + } else if (outerNode.compareDocumentPosition) { + return !!(outerNode.compareDocumentPosition(innerNode) & 16); + } else { + return false; } } -function stopFailedWorkTimer(fiber) { - if (enableUserTimingAPI) { - if (!supportsUserTiming || shouldIgnoreFiber(fiber)) { - return; - } - // If we pause, its parent is the fiber to unwind from. - currentFiber = fiber['return']; - if (!fiber._debugIsCurrentlyTiming) { - return; - } - fiber._debugIsCurrentlyTiming = false; - var warning$$1 = 'An error was thrown inside this error boundary'; - endFiberMark(fiber, null, warning$$1); - } +function isInDocument(node) { + return node && node.ownerDocument && containsNode(node.ownerDocument.documentElement, node); } -function startPhaseTimer(fiber, phase) { - if (enableUserTimingAPI) { - if (!supportsUserTiming) { - return; - } - clearPendingPhaseMeasurement(); - if (!beginFiberMark(fiber, phase)) { - return; - } - currentPhaseFiber = fiber; - currentPhase = phase; +function isSameOriginFrame(iframe) { + try { + // Accessing the contentDocument of a HTMLIframeElement can cause the browser + // to throw, e.g. if it has a cross-origin src attribute. + // Safari will show an error in the console when the access results in "Blocked a frame with origin". e.g: + // iframe.contentDocument.defaultView; + // A safety way is to access one of the cross origin properties: Window or Location + // Which might result in "SecurityError" DOM Exception and it is compatible to Safari. + // https://html.spec.whatwg.org/multipage/browsers.html#integration-with-idl + + return typeof iframe.contentWindow.location.href === 'string'; + } catch (err) { + return false; } } -function stopPhaseTimer() { - if (enableUserTimingAPI) { - if (!supportsUserTiming) { - return; - } - if (currentPhase !== null && currentPhaseFiber !== null) { - var warning$$1 = hasScheduledUpdateInCurrentPhase ? 'Scheduled a cascading update' : null; - endFiberMark(currentPhaseFiber, currentPhase, warning$$1); +function getActiveElementDeep() { + var win = window; + var element = getActiveElement(); + while (element instanceof win.HTMLIFrameElement) { + if (isSameOriginFrame(element)) { + win = element.contentWindow; + } else { + return element; } - currentPhase = null; - currentPhaseFiber = null; + element = getActiveElement(win.document); } + return element; } -function startWorkLoopTimer(nextUnitOfWork) { - if (enableUserTimingAPI) { - currentFiber = nextUnitOfWork; - if (!supportsUserTiming) { - return; - } - commitCountInCurrentWorkLoop = 0; - // This is top level call. - // Any other measurements are performed within. - beginMark('(React Tree Reconciliation)'); - // Resume any measurements that were in progress during the last loop. - resumeTimers(); - } +/** + * @ReactInputSelection: React input selection module. Based on Selection.js, + * but modified to be suitable for react and has a couple of bug fixes (doesn't + * assume buttons have range selections allowed). + * Input selection module for React. + */ + +/** + * @hasSelectionCapabilities: we get the element types that support selection + * from https://html.spec.whatwg.org/#do-not-apply, looking at `selectionStart` + * and `selectionEnd` rows. + */ +function hasSelectionCapabilities(elem) { + var nodeName = elem && elem.nodeName && elem.nodeName.toLowerCase(); + return nodeName && (nodeName === 'input' && (elem.type === 'text' || elem.type === 'search' || elem.type === 'tel' || elem.type === 'url' || elem.type === 'password') || nodeName === 'textarea' || elem.contentEditable === 'true'); } -function stopWorkLoopTimer(interruptedBy) { - if (enableUserTimingAPI) { - if (!supportsUserTiming) { - return; +function getSelectionInformation() { + var focusedElem = getActiveElementDeep(); + return { + focusedElem: focusedElem, + selectionRange: hasSelectionCapabilities(focusedElem) ? getSelection$1(focusedElem) : null + }; +} + +/** + * @restoreSelection: If any selection information was potentially lost, + * restore it. This is useful when performing operations that could remove dom + * nodes and place them back in, resulting in focus being lost. + */ +function restoreSelection(priorSelectionInformation) { + var curFocusedElem = getActiveElementDeep(); + var priorFocusedElem = priorSelectionInformation.focusedElem; + var priorSelectionRange = priorSelectionInformation.selectionRange; + if (curFocusedElem !== priorFocusedElem && isInDocument(priorFocusedElem)) { + if (priorSelectionRange !== null && hasSelectionCapabilities(priorFocusedElem)) { + setSelection(priorFocusedElem, priorSelectionRange); } - var warning$$1 = null; - if (interruptedBy !== null) { - if (interruptedBy.tag === HostRoot) { - warning$$1 = 'A top-level update interrupted the previous render'; - } else { - var componentName = getComponentName(interruptedBy) || 'Unknown'; - warning$$1 = 'An update to ' + componentName + ' interrupted the previous render'; + + // Focusing a node can change the scroll position, which is undesirable + var ancestors = []; + var ancestor = priorFocusedElem; + while (ancestor = ancestor.parentNode) { + if (ancestor.nodeType === ELEMENT_NODE) { + ancestors.push({ + element: ancestor, + left: ancestor.scrollLeft, + top: ancestor.scrollTop + }); } - } else if (commitCountInCurrentWorkLoop > 1) { - warning$$1 = 'There were cascading updates'; } - commitCountInCurrentWorkLoop = 0; - // Pause any measurements until the next loop. - pauseTimers(); - endMark('(React Tree Reconciliation)', '(React Tree Reconciliation)', warning$$1); - } -} -function startCommitTimer() { - if (enableUserTimingAPI) { - if (!supportsUserTiming) { - return; + if (typeof priorFocusedElem.focus === 'function') { + priorFocusedElem.focus(); + } + + for (var i = 0; i < ancestors.length; i++) { + var info = ancestors[i]; + info.element.scrollLeft = info.left; + info.element.scrollTop = info.top; } - isCommitting = true; - hasScheduledUpdateInCurrentCommit = false; - labelsInCurrentCommit.clear(); - beginMark('(Committing Changes)'); } } -function stopCommitTimer() { - if (enableUserTimingAPI) { - if (!supportsUserTiming) { - return; - } - - var warning$$1 = null; - if (hasScheduledUpdateInCurrentCommit) { - warning$$1 = 'Lifecycle hook scheduled a cascading update'; - } else if (commitCountInCurrentWorkLoop > 0) { - warning$$1 = 'Caused by a cascading update in earlier commit'; - } - hasScheduledUpdateInCurrentCommit = false; - commitCountInCurrentWorkLoop++; - isCommitting = false; - labelsInCurrentCommit.clear(); +/** + * @getSelection: Gets the selection bounds of a focused textarea, input or + * contentEditable node. + * -@input: Look up selection bounds of this input + * -@return {start: selectionStart, end: selectionEnd} + */ +function getSelection$1(input) { + var selection = void 0; - endMark('(Committing Changes)', '(Committing Changes)', warning$$1); + if ('selectionStart' in input) { + // Modern browser with input or textarea. + selection = { + start: input.selectionStart, + end: input.selectionEnd + }; + } else { + // Content editable or old IE textarea. + selection = getOffsets(input); } -} -function startCommitHostEffectsTimer() { - if (enableUserTimingAPI) { - if (!supportsUserTiming) { - return; - } - effectCountInCurrentCommit = 0; - beginMark('(Committing Host Effects)'); - } + return selection || { start: 0, end: 0 }; } -function stopCommitHostEffectsTimer() { - if (enableUserTimingAPI) { - if (!supportsUserTiming) { - return; - } - var count = effectCountInCurrentCommit; - effectCountInCurrentCommit = 0; - endMark('(Committing Host Effects: ' + count + ' Total)', '(Committing Host Effects)', null); - } -} +/** + * @setSelection: Sets the selection bounds of a textarea or input and focuses + * the input. + * -@input Set selection bounds of this input or textarea + * -@offsets Object of same form that is returned from get* + */ +function setSelection(input, offsets) { + var start = offsets.start, + end = offsets.end; -function startCommitLifeCyclesTimer() { - if (enableUserTimingAPI) { - if (!supportsUserTiming) { - return; - } - effectCountInCurrentCommit = 0; - beginMark('(Calling Lifecycle Methods)'); + if (end === undefined) { + end = start; } -} -function stopCommitLifeCyclesTimer() { - if (enableUserTimingAPI) { - if (!supportsUserTiming) { - return; - } - var count = effectCountInCurrentCommit; - effectCountInCurrentCommit = 0; - endMark('(Calling Lifecycle Methods: ' + count + ' Total)', '(Calling Lifecycle Methods)', null); + if ('selectionStart' in input) { + input.selectionStart = start; + input.selectionEnd = Math.min(end, input.value.length); + } else { + setOffsets(input, offsets); } } -{ - var warnedAboutMissingGetChildContext = {}; -} - -// A cursor to the current merged context object on the stack. -var contextStackCursor = createCursor(emptyObject); -// A cursor to a boolean indicating whether the context has changed. -var didPerformWorkStackCursor = createCursor(false); -// Keep track of the previous context object that was on the stack. -// We use this to get access to the parent context after we have already -// pushed the next context provider, and now need to merge their contexts. -var previousContext = emptyObject; +var skipSelectionChangeEvent = canUseDOM && 'documentMode' in document && document.documentMode <= 11; -function getUnmaskedContext(workInProgress) { - var hasOwnContext = isContextProvider(workInProgress); - if (hasOwnContext) { - // If the fiber is a context provider itself, when we read its context - // we have already pushed its own child context on the stack. A context - // provider should not "see" its own child context. Therefore we read the - // previous (parent) context instead for a context provider. - return previousContext; +var eventTypes$3 = { + select: { + phasedRegistrationNames: { + bubbled: 'onSelect', + captured: 'onSelectCapture' + }, + dependencies: [TOP_BLUR, TOP_CONTEXT_MENU, TOP_DRAG_END, TOP_FOCUS, TOP_KEY_DOWN, TOP_KEY_UP, TOP_MOUSE_DOWN, TOP_MOUSE_UP, TOP_SELECTION_CHANGE] } - return contextStackCursor.current; -} - -function cacheContext(workInProgress, unmaskedContext, maskedContext) { - var instance = workInProgress.stateNode; - instance.__reactInternalMemoizedUnmaskedChildContext = unmaskedContext; - instance.__reactInternalMemoizedMaskedChildContext = maskedContext; -} +}; -function getMaskedContext(workInProgress, unmaskedContext) { - var type = workInProgress.type; - var contextTypes = type.contextTypes; - if (!contextTypes) { - return emptyObject; - } +var activeElement$1 = null; +var activeElementInst$1 = null; +var lastSelection = null; +var mouseDown = false; - // Avoid recreating masked context unless unmasked context has changed. - // Failing to do this will result in unnecessary calls to componentWillReceiveProps. - // This may trigger infinite loops if componentWillReceiveProps calls setState. - var instance = workInProgress.stateNode; - if (instance && instance.__reactInternalMemoizedUnmaskedChildContext === unmaskedContext) { - return instance.__reactInternalMemoizedMaskedChildContext; +/** + * Get an object which is a unique representation of the current selection. + * + * The return value will not be consistent across nodes or browsers, but + * two identical selections on the same node will return identical objects. + * + * @param {DOMElement} node + * @return {object} + */ +function getSelection(node) { + if ('selectionStart' in node && hasSelectionCapabilities(node)) { + return { + start: node.selectionStart, + end: node.selectionEnd + }; + } else { + var win = node.ownerDocument && node.ownerDocument.defaultView || window; + var selection = win.getSelection(); + return { + anchorNode: selection.anchorNode, + anchorOffset: selection.anchorOffset, + focusNode: selection.focusNode, + focusOffset: selection.focusOffset + }; } +} - var context = {}; - for (var key in contextTypes) { - context[key] = unmaskedContext[key]; - } +/** + * Get document associated with the event target. + * + * @param {object} nativeEventTarget + * @return {Document} + */ +function getEventTargetDocument(eventTarget) { + return eventTarget.window === eventTarget ? eventTarget.document : eventTarget.nodeType === DOCUMENT_NODE ? eventTarget : eventTarget.ownerDocument; +} - { - var name = getComponentName(workInProgress) || 'Unknown'; - checkPropTypes(contextTypes, context, 'context', name, ReactDebugCurrentFiber.getCurrentFiberStackAddendum); - } +/** + * Poll selection to see whether it's changed. + * + * @param {object} nativeEvent + * @param {object} nativeEventTarget + * @return {?SyntheticEvent} + */ +function constructSelectEvent(nativeEvent, nativeEventTarget) { + // Ensure we have the right element, and that the user is not dragging a + // selection (this matches native `select` event behavior). In HTML5, select + // fires only on input and textarea thus if there's no focused element we + // won't dispatch. + var doc = getEventTargetDocument(nativeEventTarget); - // Cache unmasked context so we can avoid recreating masked context unless necessary. - // Context is created before the class component is instantiated so check for instance. - if (instance) { - cacheContext(workInProgress, unmaskedContext, context); + if (mouseDown || activeElement$1 == null || activeElement$1 !== getActiveElement(doc)) { + return null; } - return context; -} + // Only fire when selection has actually changed. + var currentSelection = getSelection(activeElement$1); + if (!lastSelection || !shallowEqual(lastSelection, currentSelection)) { + lastSelection = currentSelection; -function hasContextChanged() { - return didPerformWorkStackCursor.current; -} + var syntheticEvent = SyntheticEvent.getPooled(eventTypes$3.select, activeElementInst$1, nativeEvent, nativeEventTarget); -function isContextConsumer(fiber) { - return fiber.tag === ClassComponent && fiber.type.contextTypes != null; -} + syntheticEvent.type = 'select'; + syntheticEvent.target = activeElement$1; -function isContextProvider(fiber) { - return fiber.tag === ClassComponent && fiber.type.childContextTypes != null; -} + accumulateTwoPhaseDispatches(syntheticEvent); -function popContextProvider(fiber) { - if (!isContextProvider(fiber)) { - return; + return syntheticEvent; } - pop(didPerformWorkStackCursor, fiber); - pop(contextStackCursor, fiber); -} - -function popTopLevelContextObject(fiber) { - pop(didPerformWorkStackCursor, fiber); - pop(contextStackCursor, fiber); -} - -function pushTopLevelContextObject(fiber, context, didChange) { - !(contextStackCursor.cursor == null) ? invariant(false, 'Unexpected context found on stack. This error is likely caused by a bug in React. Please file an issue.') : void 0; - - push(contextStackCursor, context, fiber); - push(didPerformWorkStackCursor, didChange, fiber); + return null; } -function processChildContext(fiber, parentContext) { - var instance = fiber.stateNode; - var childContextTypes = fiber.type.childContextTypes; - - // TODO (bvaughn) Replace this behavior with an invariant() in the future. - // It has only been added in Fiber to match the (unintentional) behavior in Stack. - if (typeof instance.getChildContext !== 'function') { - { - var componentName = getComponentName(fiber) || 'Unknown'; +/** + * This plugin creates an `onSelect` event that normalizes select events + * across form elements. + * + * Supported elements are: + * - input (see `isTextInputElement`) + * - textarea + * - contentEditable + * + * This differs from native browser implementations in the following ways: + * - Fires on contentEditable fields as well as inputs. + * - Fires for collapsed selection. + * - Fires after user input. + */ +var SelectEventPlugin = { + eventTypes: eventTypes$3, - if (!warnedAboutMissingGetChildContext[componentName]) { - warnedAboutMissingGetChildContext[componentName] = true; - warning(false, '%s.childContextTypes is specified but there is no getChildContext() method ' + 'on the instance. You can either define getChildContext() on %s or remove ' + 'childContextTypes from it.', componentName, componentName); - } + extractEvents: function (topLevelType, targetInst, nativeEvent, nativeEventTarget) { + var doc = getEventTargetDocument(nativeEventTarget); + // Track whether all listeners exists for this plugin. If none exist, we do + // not extract events. See #3639. + if (!doc || !isListeningToAllDependencies('onSelect', doc)) { + return null; } - return parentContext; - } - var childContext = void 0; - { - ReactDebugCurrentFiber.setCurrentPhase('getChildContext'); - } - startPhaseTimer(fiber, 'getChildContext'); - childContext = instance.getChildContext(); - stopPhaseTimer(); - { - ReactDebugCurrentFiber.setCurrentPhase(null); - } - for (var contextKey in childContext) { - !(contextKey in childContextTypes) ? invariant(false, '%s.getChildContext(): key "%s" is not defined in childContextTypes.', getComponentName(fiber) || 'Unknown', contextKey) : void 0; - } - { - var name = getComponentName(fiber) || 'Unknown'; - checkPropTypes(childContextTypes, childContext, 'child context', name, - // In practice, there is one case in which we won't get a stack. It's when - // somebody calls unstable_renderSubtreeIntoContainer() and we process - // context from the parent component instance. The stack will be missing - // because it's outside of the reconciliation, and so the pointer has not - // been set. This is rare and doesn't matter. We'll also remove that API. - ReactDebugCurrentFiber.getCurrentFiberStackAddendum); - } + var targetNode = targetInst ? getNodeFromInstance$1(targetInst) : window; - return _assign({}, parentContext, childContext); -} + switch (topLevelType) { + // Track the input node that has focus. + case TOP_FOCUS: + if (isTextInputElement(targetNode) || targetNode.contentEditable === 'true') { + activeElement$1 = targetNode; + activeElementInst$1 = targetInst; + lastSelection = null; + } + break; + case TOP_BLUR: + activeElement$1 = null; + activeElementInst$1 = null; + lastSelection = null; + break; + // Don't fire the event while the user is dragging. This matches the + // semantics of the native select event. + case TOP_MOUSE_DOWN: + mouseDown = true; + break; + case TOP_CONTEXT_MENU: + case TOP_MOUSE_UP: + case TOP_DRAG_END: + mouseDown = false; + return constructSelectEvent(nativeEvent, nativeEventTarget); + // Chrome and IE fire non-standard event when selection is changed (and + // sometimes when it hasn't). IE's event fires out of order with respect + // to key and input events on deletion, so we discard it. + // + // Firefox doesn't support selectionchange, so check selection status + // after each key entry. The selection changes after keydown and before + // keyup, but we check on keydown as well in the case of holding down a + // key, when multiple keydown events are fired but only one keyup is. + // This is also our approach for IE handling, for the reason above. + case TOP_SELECTION_CHANGE: + if (skipSelectionChangeEvent) { + break; + } + // falls through + case TOP_KEY_DOWN: + case TOP_KEY_UP: + return constructSelectEvent(nativeEvent, nativeEventTarget); + } -function pushContextProvider(workInProgress) { - if (!isContextProvider(workInProgress)) { - return false; + return null; } +}; - var instance = workInProgress.stateNode; - // We push the context as early as possible to ensure stack integrity. - // If the instance does not exist yet, we will push null at first, - // and replace it on the stack later when invalidating the context. - var memoizedMergedChildContext = instance && instance.__reactInternalMemoizedMergedChildContext || emptyObject; +/** + * Inject modules for resolving DOM hierarchy and plugin ordering. + */ +injection.injectEventPluginOrder(DOMEventPluginOrder); +setComponentTree(getFiberCurrentPropsFromNode$1, getInstanceFromNode$1, getNodeFromInstance$1); - // Remember the parent context so we can merge with it later. - // Inherit the parent's did-perform-work value to avoid inadvertently blocking updates. - previousContext = contextStackCursor.current; - push(contextStackCursor, memoizedMergedChildContext, workInProgress); - push(didPerformWorkStackCursor, didPerformWorkStackCursor.current, workInProgress); +/** + * Some important event plugins included by default (without having to require + * them). + */ +injection.injectEventPluginsByName({ + SimpleEventPlugin: SimpleEventPlugin, + EnterLeaveEventPlugin: EnterLeaveEventPlugin, + ChangeEventPlugin: ChangeEventPlugin, + SelectEventPlugin: SelectEventPlugin, + BeforeInputEventPlugin: BeforeInputEventPlugin +}); - return true; -} +var didWarnSelectedSetOnOption = false; +var didWarnInvalidChild = false; -function invalidateContextProvider(workInProgress, didChange) { - var instance = workInProgress.stateNode; - !instance ? invariant(false, 'Expected to have an instance by this point. This error is likely caused by a bug in React. Please file an issue.') : void 0; +function flattenChildren(children) { + var content = ''; - if (didChange) { - // Merge parent and own context. - // Skip this if we're not updating due to sCU. - // This avoids unnecessarily recomputing memoized values. - var mergedContext = processChildContext(workInProgress, previousContext); - instance.__reactInternalMemoizedMergedChildContext = mergedContext; + // Flatten children. We'll warn if they are invalid + // during validateProps() which runs for hydration too. + // Note that this would throw on non-element objects. + // Elements are stringified (which is normally irrelevant + // but matters for ). + React.Children.forEach(children, function (child) { + if (child == null) { + return; + } + content += child; + // Note: we don't warn about invalid children here. + // Instead, this is done separately below so that + // it happens during the hydration codepath too. + }); - // Replace the old (or empty) context with the new one. - // It is important to unwind the context in the reverse order. - pop(didPerformWorkStackCursor, workInProgress); - pop(contextStackCursor, workInProgress); - // Now push the new context and mark that it has changed. - push(contextStackCursor, mergedContext, workInProgress); - push(didPerformWorkStackCursor, didChange, workInProgress); - } else { - pop(didPerformWorkStackCursor, workInProgress); - push(didPerformWorkStackCursor, didChange, workInProgress); - } + return content; } -function resetContext() { - previousContext = emptyObject; - contextStackCursor.current = emptyObject; - didPerformWorkStackCursor.current = false; -} +/** + * Implements an