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