blob: 8113b6801dd395470c9428736cf39f4cc4747c52 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
'use strict';
var toArray = require('./to-array')
, isDate = require('../date/is-date')
, isRegExp = require('../reg-exp/is-reg-exp')
, isArray = Array.isArray, stringify = JSON.stringify
, keyValueToString = function (value, key) { return stringify(key) + ':' + exports(value); };
var sparseMap = function (arr) {
var i, l = arr.length, result = new Array(l);
for (i = 0; i < l; ++i) {
if (!arr.hasOwnProperty(i)) continue;
result[i] = exports(arr[i]);
}
return result;
};
module.exports = exports = function (obj) {
if (obj == null) return String(obj);
switch (typeof obj) {
case 'string':
return stringify(obj);
case 'number':
case 'boolean':
case 'function':
return String(obj);
case 'object':
if (isArray(obj)) return '[' + sparseMap(obj) + ']';
if (isRegExp(obj)) return String(obj);
if (isDate(obj)) return 'new Date(' + obj.valueOf() + ')';
return '{' + toArray(obj, keyValueToString) + '}';
default:
throw new TypeError("Serialization of " + String(obj) + "is unsupported");
}
};
|
