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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,113 @@ | ||
| /** | ||
| * @global | ||
| */ | ||
|
|
||
| /** | ||
| * @param {Object} definition | ||
| * @returns {ModelChain} | ||
| */ | ||
| function ModelChain(definition) { | ||
| this.definition = structuredClone(definition) | ||
| } | ||
|
|
||
| /** | ||
| * @param {string} [parentIdentifier] | ||
| * @param {object} definition | ||
| * @returns {ModelChain} | ||
| */ | ||
| ModelChain.prototype.prepend = function(parentIdentifier, definition) { | ||
| if(parentIdentifier === null) { | ||
| this.definition.children.unshift(definition) | ||
| } else { | ||
| const { object } = getObjectByIdentifier(parentIdentifier, this.definition) | ||
| if(!object.children) { | ||
| object.children = [] | ||
| } | ||
| object.children.unshift(definition) | ||
| } | ||
| return this | ||
| } | ||
|
|
||
| /** | ||
| * @param {string} [parentIdentifier] | ||
| * @param {object} definition | ||
| * @returns {ModelChain} | ||
| */ | ||
| ModelChain.prototype.append = function(parentIdentifier, definition) { | ||
| if(parentIdentifier === null) { | ||
| this.definition.children.push(definition) | ||
| } else { | ||
| const { object } = getObjectByIdentifier(parentIdentifier, this.definition) | ||
| if(!object.children) { | ||
| object.children = [] | ||
| } | ||
| object.children.push(definition) | ||
| } | ||
| return this | ||
| } | ||
|
|
||
| /** | ||
| * @param {string} identifier | ||
| * @param {object} definition | ||
| * @returns {ModelChain} | ||
| */ | ||
| ModelChain.prototype.replace = function(identifier, definition) { | ||
| const { object } = getObjectByIdentifier(identifier, this.definition) | ||
| for(const property in object) { | ||
| delete object[property] | ||
| } | ||
| Object.assign(object, definition) | ||
| return this | ||
| } | ||
|
|
||
| /** | ||
| * @param {string} identifier | ||
| * @param {object} definition | ||
| * @returns {ModelChain} | ||
| */ | ||
| ModelChain.prototype.before = function(identifier, definition) { | ||
| const { parent, object } = getObjectByIdentifier(identifier, this.definition) | ||
| parent.children.splice(parent.children.indexOf(object), 0, definition) | ||
| return this | ||
| } | ||
|
|
||
| /** | ||
| * @param {string} identifier | ||
| * @param {object} definition | ||
| * @returns {ModelChain} | ||
| */ | ||
| ModelChain.prototype.after = function(identifier, definition) { | ||
| const { parent, object } = getObjectByIdentifier(identifier, this.definition) | ||
| parent.children.splice(parent.children.indexOf(object) + 1, 0, definition) | ||
| return this | ||
| } | ||
|
|
||
| /** | ||
| * @param {string} identifier | ||
| * @param {object} definition | ||
| * @returns {{object: object, parent: object}} | ||
| */ | ||
| function getObjectByIdentifier(identifier, definition) { | ||
| /** | ||
| * | ||
| * @param {object} object | ||
| * @param {object} parent | ||
| * @returns {{object: object, parent: object}} | ||
| */ | ||
| function walk(object, parent) { | ||
| for(const property in object) { | ||
| if(property === "identifier" && object[property] === identifier) { | ||
| return { object, parent } | ||
| } else if(property === "children") { | ||
| for(const child of object[property]) { | ||
| if(walk(child)) { | ||
| return { object: child, parent: object } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| return walk(definition, definition) | ||
| } | ||
|
|
||
| export default ModelChain |
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