/*
- http://www.JSON.org/json2.js
- 2011-02-23
+ json2.js
+ 2015-05-03
Public Domain.
This file creates a global JSON object containing two methods: stringify
- and parse.
+ and parse. This file is provides the ES5 JSON capability to ES3 systems.
+ If a project might run on IE8 or earlier, then this file should be included.
+ This file does nothing on ES5 systems.
JSON.stringify(value, replacer, space)
value any JavaScript value, usually an object or array.
Date.prototype.toJSON = function (key) {
function f(n) {
// Format integers to have at least two digits.
- return n < 10 ? '0' + n : n;
+ return n < 10
+ ? '0' + n
+ : n;
}
return this.getUTCFullYear() + '-' +
// text is '[\n\t"e",\n\t{\n\t\t"pluribus": "unum"\n\t}\n]'
text = JSON.stringify([new Date()], function (key, value) {
- return this[key] instanceof Date ?
- 'Date(' + this[key] + ')' : value;
+ return this[key] instanceof Date
+ ? 'Date(' + this[key] + ')'
+ : value;
});
// text is '["Date(---current time---)"]'
redistribute.
*/
-/*jslint evil: true, strict: false, regexp: false */
+/*jslint
+ eval, for, this
+*/
-/*members "", "\b", "\t", "\n", "\f", "\r", "\"", JSON, "\\", apply,
- call, charCodeAt, getUTCDate, getUTCFullYear, getUTCHours,
+/*property
+ JSON, apply, call, charCodeAt, getUTCDate, getUTCFullYear, getUTCHours,
getUTCMinutes, getUTCMonth, getUTCSeconds, hasOwnProperty, join,
lastIndex, length, parse, prototype, push, replace, slice, stringify,
test, toJSON, toString, valueOf
// Create a JSON object only if one does not already exist. We create the
// methods in a closure to avoid creating global variables.
-var JSON;
-if (!JSON) {
+if (typeof JSON !== 'object') {
JSON = {};
}
(function () {
- "use strict";
+ 'use strict';
+
+ var rx_one = /^[\],:{}\s]*$/,
+ rx_two = /\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g,
+ rx_three = /"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g,
+ rx_four = /(?:^|:|,)(?:\s*\[)+/g,
+ rx_escapable = /[\\\"\u0000-\u001f\u007f-\u009f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
+ rx_dangerous = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g;
function f(n) {
// Format integers to have at least two digits.
- return n < 10 ? '0' + n : n;
+ return n < 10
+ ? '0' + n
+ : n;
+ }
+
+ function this_value() {
+ return this.valueOf();
}
if (typeof Date.prototype.toJSON !== 'function') {
- Date.prototype.toJSON = function (key) {
+ Date.prototype.toJSON = function () {
- return isFinite(this.valueOf()) ?
- this.getUTCFullYear() + '-' +
- f(this.getUTCMonth() + 1) + '-' +
- f(this.getUTCDate()) + 'T' +
- f(this.getUTCHours()) + ':' +
- f(this.getUTCMinutes()) + ':' +
- f(this.getUTCSeconds()) + 'Z' : null;
+ return isFinite(this.valueOf())
+ ? this.getUTCFullYear() + '-' +
+ f(this.getUTCMonth() + 1) + '-' +
+ f(this.getUTCDate()) + 'T' +
+ f(this.getUTCHours()) + ':' +
+ f(this.getUTCMinutes()) + ':' +
+ f(this.getUTCSeconds()) + 'Z'
+ : null;
};
- String.prototype.toJSON =
- Number.prototype.toJSON =
- Boolean.prototype.toJSON = function (key) {
- return this.valueOf();
- };
+ Boolean.prototype.toJSON = this_value;
+ Number.prototype.toJSON = this_value;
+ String.prototype.toJSON = this_value;
}
- var cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
- escapable = /[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
- gap,
+ var gap,
indent,
- meta = { // table of character substitutions
- '\b': '\\b',
- '\t': '\\t',
- '\n': '\\n',
- '\f': '\\f',
- '\r': '\\r',
- '"' : '\\"',
- '\\': '\\\\'
- },
+ meta,
rep;
// Otherwise we must also replace the offending characters with safe escape
// sequences.
- escapable.lastIndex = 0;
- return escapable.test(string) ? '"' + string.replace(escapable, function (a) {
- var c = meta[a];
- return typeof c === 'string' ? c :
- '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
- }) + '"' : '"' + string + '"';
+ rx_escapable.lastIndex = 0;
+ return rx_escapable.test(string)
+ ? '"' + string.replace(rx_escapable, function (a) {
+ var c = meta[a];
+ return typeof c === 'string'
+ ? c
+ : '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
+ }) + '"'
+ : '"' + string + '"';
}
// JSON numbers must be finite. Encode non-finite numbers as null.
- return isFinite(value) ? String(value) : 'null';
+ return isFinite(value)
+ ? String(value)
+ : 'null';
case 'boolean':
case 'null':
// Join all of the elements together, separated with commas, and wrap them in
// brackets.
- v = partial.length === 0 ? '[]' : gap ?
- '[\n' + gap + partial.join(',\n' + gap) + '\n' + mind + ']' :
- '[' + partial.join(',') + ']';
+ v = partial.length === 0
+ ? '[]'
+ : gap
+ ? '[\n' + gap + partial.join(',\n' + gap) + '\n' + mind + ']'
+ : '[' + partial.join(',') + ']';
gap = mind;
return v;
}
k = rep[i];
v = str(k, value);
if (v) {
- partial.push(quote(k) + (gap ? ': ' : ':') + v);
+ partial.push(quote(k) + (
+ gap
+ ? ': '
+ : ':'
+ ) + v);
}
}
}
if (Object.prototype.hasOwnProperty.call(value, k)) {
v = str(k, value);
if (v) {
- partial.push(quote(k) + (gap ? ': ' : ':') + v);
+ partial.push(quote(k) + (
+ gap
+ ? ': '
+ : ':'
+ ) + v);
}
}
}
// Join all of the member texts together, separated with commas,
// and wrap them in braces.
- v = partial.length === 0 ? '{}' : gap ?
- '{\n' + gap + partial.join(',\n' + gap) + '\n' + mind + '}' :
- '{' + partial.join(',') + '}';
+ v = partial.length === 0
+ ? '{}'
+ : gap
+ ? '{\n' + gap + partial.join(',\n' + gap) + '\n' + mind + '}'
+ : '{' + partial.join(',') + '}';
gap = mind;
return v;
}
// If the JSON object does not yet have a stringify method, give it one.
if (typeof JSON.stringify !== 'function') {
+ meta = { // table of character substitutions
+ '\b': '\\b',
+ '\t': '\\t',
+ '\n': '\\n',
+ '\f': '\\f',
+ '\r': '\\r',
+ '"': '\\"',
+ '\\': '\\\\'
+ };
JSON.stringify = function (value, replacer, space) {
// The stringify method takes a value and an optional replacer, and an optional
// incorrectly, either silently deleting them, or treating them as line endings.
text = String(text);
- cx.lastIndex = 0;
- if (cx.test(text)) {
- text = text.replace(cx, function (a) {
+ rx_dangerous.lastIndex = 0;
+ if (rx_dangerous.test(text)) {
+ text = text.replace(rx_dangerous, function (a) {
return '\\u' +
- ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
+ ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
});
}
// we look to see that the remaining characters are only whitespace or ']' or
// ',' or ':' or '{' or '}'. If that is so, then the text is safe for eval.
- if (/^[\],:{}\s]*$/
- .test(text.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, '@')
- .replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']')
- .replace(/(?:^|:|,)(?:\s*\[)+/g, ''))) {
+ if (
+ rx_one.test(
+ text
+ .replace(rx_two, '@')
+ .replace(rx_three, ']')
+ .replace(rx_four, '')
+ )
+ ) {
// In the third stage we use the eval function to compile the text into a
// JavaScript structure. The '{' operator is subject to a syntactic ambiguity
// In the optional fourth stage, we recursively walk the new structure, passing
// each name/value pair to a reviver function for possible transformation.
- return typeof reviver === 'function' ?
- walk({'': j}, '') : j;
+ return typeof reviver === 'function'
+ ? walk({'': j}, '')
+ : j;
}
// If the text is not JSON parseable, then a SyntaxError is thrown.
throw new SyntaxError('JSON.parse');
};
}
-}());
+}());
\ No newline at end of file
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