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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('json-stringify', function (Y, NAME) {
/**
* Provides Y.JSON.stringify method for converting objects to JSON strings.
*
* @module json
* @submodule json-stringify
* @for JSON
* @static
*/
var COLON = ':',
_JSON = Y.config.global.JSON;
Y.mix(Y.namespace('JSON'), {
/**
* Serializes a Date instance as a UTC date string. Used internally by
* stringify. Override this method if you need Dates serialized in a
* different format.
*
* @method dateToString
* @param d {Date} The Date to serialize
* @return {String} stringified Date in UTC format YYYY-MM-DDTHH:mm:SSZ
* @deprecated Use a replacer function
* @static
*/
dateToString: function (d) {
function _zeroPad(v) {
return v < 10 ? '0' + v : v;
}
return d.getUTCFullYear() + '-' +
_zeroPad(d.getUTCMonth() + 1) + '-' +
_zeroPad(d.getUTCDate()) + 'T' +
_zeroPad(d.getUTCHours()) + COLON +
_zeroPad(d.getUTCMinutes()) + COLON +
_zeroPad(d.getUTCSeconds()) + 'Z';
},
/**
* <p>Converts an arbitrary value to a JSON string representation.</p>
*
* <p>Objects with cyclical references will trigger an exception.</p>
*
* <p>If a whitelist is provided, only matching object keys will be
* included. Alternately, a replacer function may be passed as the
* second parameter. This function is executed on every value in the
* input, and its return value will be used in place of the original value.
* This is useful to serialize specialized objects or class instances.</p>
*
* <p>If a positive integer or non-empty string is passed as the third
* parameter, the output will be formatted with carriage returns and
* indentation for readability. If a String is passed (such as "\t") it
* will be used once for each indentation level. If a number is passed,
* that number of spaces will be used.</p>
*
* @method stringify
* @param o {MIXED} any arbitrary value to convert to JSON string
* @param w {Array|Function} (optional) whitelist of acceptable object
* keys to include, or a replacer function to modify the
* raw value before serialization
* @param ind {Number|String} (optional) indentation character or depth of
* spaces to format the output.
* @return {string} JSON string representation of the input
* @static
*/
stringify: function () {
return _JSON.stringify.apply(_JSON, arguments);
},
/**
* <p>Number of occurrences of a special character within a single call to
* stringify that should trigger promotion of that character to a dedicated
* preprocess step for future calls. This is only used in environments
* that don't support native JSON, or when useNativeJSONStringify is set to
* false.</p>
*
* <p>So, if set to 50 and an object is passed to stringify that includes
* strings containing the special character \x07 more than 50 times,
* subsequent calls to stringify will process object strings through a
* faster serialization path for \x07 before using the generic, slower,
* replacement process for all special characters.</p>
*
* <p>To prime the preprocessor cache, set this value to 1, then call
* <code>Y.JSON.stringify("<em>(all special characters to
* cache)</em>");</code>, then return this setting to a more conservative
* value.</p>
*
* <p>Special characters \ " \b \t \n \f \r are already cached.</p>
*
* @property charCacheThreshold
* @static
* @default 100
* @type {Number}
*/
charCacheThreshold: 100
});
}, '3.17.2', {"requires": ["yui-base"]});