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/*
YUI 3.17.2 (build 9c3c78e)
Copyright 2014 Yahoo! Inc. All rights reserved.
Licensed under the BSD License.
http://yuilibrary.com/license/
*/
YUI.add('querystring-stringify', function (Y, NAME) {
/**
* Provides Y.QueryString.stringify method for converting objects to Query Strings.
*
* @module querystring
* @submodule querystring-stringify
*/
var QueryString = Y.namespace("QueryString"),
stack = [],
L = Y.Lang;
/**
* Provides Y.QueryString.escape method to be able to override default encoding
* method. This is important in cases where non-standard delimiters are used, if
* the delimiters would not normally be handled properly by the builtin
* (en|de)codeURIComponent functions.
* Default: encodeURIComponent
*
* @method escape
* @for QueryString
* @static
**/
QueryString.escape = encodeURIComponent;
/**
* <p>Converts an arbitrary value to a Query String representation.</p>
*
* <p>Objects with cyclical references will trigger an exception.</p>
*
* @method stringify
* @for QueryString
* @public
* @param obj {Any} any arbitrary value to convert to query string
* @param cfg {Object} (optional) Configuration object. The three
* supported configurations are:
* <ul><li>sep: When defined, the value will be used as the key-value
* separator. The default value is "&".</li>
* <li>eq: When defined, the value will be used to join the key to
* the value. The default value is "=".</li>
* <li>arrayKey: When set to true, the key of an array will have the
* '[]' notation appended to the key. The default value is false.
* </li></ul>
* @param name {String} (optional) Name of the current key, for handling children recursively.
* @static
*/
QueryString.stringify = function (obj, c, name) {
var begin, end, i, l, n, s,
sep = c && c.sep ? c.sep : "&",
eq = c && c.eq ? c.eq : "=",
aK = c && c.arrayKey ? c.arrayKey : false;
if (L.isNull(obj) || L.isUndefined(obj) || L.isFunction(obj)) {
return name ? QueryString.escape(name) + eq : '';
}
if (L.isBoolean(obj) || Object.prototype.toString.call(obj) === '[object Boolean]') {
obj =+ obj;
}
if (L.isNumber(obj) || L.isString(obj)) {
return QueryString.escape(name) + eq + QueryString.escape(obj);
}
if (L.isArray(obj)) {
s = [];
name = aK ? name + '[]' : name;
l = obj.length;
for (i = 0; i < l; i++) {
s.push( QueryString.stringify(obj[i], c, name) );
}
return s.join(sep);
}
// now we know it's an object.
// Check for cyclical references in nested objects
for (i = stack.length - 1; i >= 0; --i) {
if (stack[i] === obj) {
throw new Error("QueryString.stringify. Cyclical reference");
}
}
stack.push(obj);
s = [];
begin = name ? name + '[' : '';
end = name ? ']' : '';
for (i in obj) {
if (obj.hasOwnProperty(i)) {
n = begin + i + end;
s.push(QueryString.stringify(obj[i], c, n));
}
}
stack.pop();
s = s.join(sep);
if (!s && name) {
return name + "=";
}
return s;
};
}, '3.17.2', {"requires": ["yui-base"]});