URL: https://clarle.github.io/yui3/
pieceParser = function (eq) {
return function parsePiece (key, val) {
var sliced, numVal, head, tail, ret;
if (arguments.length !== 2) {
// key=val, called from the map/reduce
key = key.split(eq);
return parsePiece(
QueryString.unescape(key.shift()),
QueryString.unescape(key.join(eq))
);
}
key = key.replace(/^\s+|\s+$/g, '');
if (Y.Lang.isString(val)) {
val = val.replace(/^\s+|\s+$/g, '');
// convert numerals to numbers
if (!isNaN(val)) {
numVal = +val;
if (val === numVal.toString(10)) {
val = numVal;
}
}
}
sliced = /(.*)\[([^\]]*)\]$/.exec(key);
if (!sliced) {
ret = {};
if (key) {
ret[key] = val;
}
return ret;
}
// ["foo[][bar][][baz]", "foo[][bar][]", "baz"]
tail = sliced[2];
head = sliced[1];
// array: key[]=val
if (!tail) {
return parsePiece(head, [val]);
}
// obj: key[subkey]=val
ret = {};
ret[tail] = val;
return parsePiece(head, ret);
};
},
// the reducer function that merges each query piece together into one set of params
mergeParams = function(params, addition) {
return (
// if it's uncontested, then just return the addition.
(!params) ? addition
// if the existing value is an array, then concat it.
: (Y.Lang.isArray(params)) ? params.concat(addition)
// if the existing value is not an array, and either are not objects, arrayify it.
: (!Y.Lang.isObject(params) || !Y.Lang.isObject(addition)) ? [params].concat(addition)
// else merge them as objects, which is a little more complex
: mergeObjects(params, addition)
);
},
// Merge two *objects* together. If this is called, we've already ruled
// out the simple cases, and need to do the for-in business.
mergeObjects = function(params, addition) {
for (var i in addition) {
if (i && addition.hasOwnProperty(i)) {
params[i] = mergeParams(params[i], addition[i]);
}
}
return params;
};
/**
* Accept Query Strings and return native JavaScript objects.
*
* @method parse
* @param qs {String} Querystring to be parsed into an object.
* @param sep {String} (optional) Character that should join param k=v pairs together. Default: "&"
* @param eq {String} (optional) Character that should join keys to their values. Default: "="
* @public
* @static
*/
QueryString.parse = function (qs, sep, eq) {
// wouldn't Y.Array(qs.split()).map(pieceParser(eq)).reduce(mergeParams) be prettier?
return Y.Array.reduce(
Y.Array.map(
qs.split(sep || "&"),
pieceParser(eq || "=")
),
{},
mergeParams
);
}; <script src="https://cdnjs.cloudflare.com/ajax/libs/yui/3.18.1/yui/yui-min.js"></script>
<script>
YUI().use('querystring', function (Y) {
Y.QueryString.parse(location.search.slice(1));
});
</script>?constructor[prototype][test]=test