1 var cloneArrayBuffer = require('./_cloneArrayBuffer'),
2 cloneMap = require('./_cloneMap'),
3 cloneRegExp = require('./_cloneRegExp'),
4 cloneSet = require('./_cloneSet'),
5 cloneSymbol = require('./_cloneSymbol'),
6 cloneTypedArray = require('./_cloneTypedArray');
8 /** `Object#toString` result references. */
9 var boolTag = '[object Boolean]',
10 dateTag = '[object Date]',
11 mapTag = '[object Map]',
12 numberTag = '[object Number]',
13 regexpTag = '[object RegExp]',
14 setTag = '[object Set]',
15 stringTag = '[object String]',
16 symbolTag = '[object Symbol]';
18 var arrayBufferTag = '[object ArrayBuffer]',
19 float32Tag = '[object Float32Array]',
20 float64Tag = '[object Float64Array]',
21 int8Tag = '[object Int8Array]',
22 int16Tag = '[object Int16Array]',
23 int32Tag = '[object Int32Array]',
24 uint8Tag = '[object Uint8Array]',
25 uint8ClampedTag = '[object Uint8ClampedArray]',
26 uint16Tag = '[object Uint16Array]',
27 uint32Tag = '[object Uint32Array]';
30 * Initializes an object clone based on its `toStringTag`.
32 * **Note:** This function only supports cloning values with tags of
33 * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.
36 * @param {Object} object The object to clone.
37 * @param {string} tag The `toStringTag` of the object to clone.
38 * @param {boolean} [isDeep] Specify a deep clone.
39 * @returns {Object} Returns the initialized clone.
41 function initCloneByTag(object, tag, isDeep) {
42 var Ctor = object.constructor;
45 return cloneArrayBuffer(object);
49 return new Ctor(+object);
51 case float32Tag: case float64Tag:
52 case int8Tag: case int16Tag: case int32Tag:
53 case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:
54 return cloneTypedArray(object, isDeep);
57 return cloneMap(object);
61 return new Ctor(object);
64 return cloneRegExp(object);
67 return cloneSet(object);
70 return cloneSymbol(object);
74 module.exports = initCloneByTag;