1
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var Stack = require('./_Stack'),
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2
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equalArrays = require('./_equalArrays'),
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3
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equalByTag = require('./_equalByTag'),
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4
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equalObjects = require('./_equalObjects'),
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5
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getTag = require('./_getTag'),
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6
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isArray = require('./isArray'),
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7
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isBuffer = require('./isBuffer'),
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8
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isTypedArray = require('./isTypedArray');
|
9
|
|
10
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/** Used to compose bitmasks for value comparisons. */
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11
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var COMPARE_PARTIAL_FLAG = 1;
|
12
|
|
13
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/** `Object#toString` result references. */
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14
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var argsTag = '[object Arguments]',
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15
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arrayTag = '[object Array]',
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16
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objectTag = '[object Object]';
|
17
|
|
18
|
/** Used for built-in method references. */
|
19
|
var objectProto = Object.prototype;
|
20
|
|
21
|
/** Used to check objects for own properties. */
|
22
|
var hasOwnProperty = objectProto.hasOwnProperty;
|
23
|
|
24
|
/**
|
25
|
* A specialized version of `baseIsEqual` for arrays and objects which performs
|
26
|
* deep comparisons and tracks traversed objects enabling objects with circular
|
27
|
* references to be compared.
|
28
|
*
|
29
|
* @private
|
30
|
* @param {Object} object The object to compare.
|
31
|
* @param {Object} other The other object to compare.
|
32
|
* @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
|
33
|
* @param {Function} customizer The function to customize comparisons.
|
34
|
* @param {Function} equalFunc The function to determine equivalents of values.
|
35
|
* @param {Object} [stack] Tracks traversed `object` and `other` objects.
|
36
|
* @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
|
37
|
*/
|
38
|
function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {
|
39
|
var objIsArr = isArray(object),
|
40
|
othIsArr = isArray(other),
|
41
|
objTag = objIsArr ? arrayTag : getTag(object),
|
42
|
othTag = othIsArr ? arrayTag : getTag(other);
|
43
|
|
44
|
objTag = objTag == argsTag ? objectTag : objTag;
|
45
|
othTag = othTag == argsTag ? objectTag : othTag;
|
46
|
|
47
|
var objIsObj = objTag == objectTag,
|
48
|
othIsObj = othTag == objectTag,
|
49
|
isSameTag = objTag == othTag;
|
50
|
|
51
|
if (isSameTag && isBuffer(object)) {
|
52
|
if (!isBuffer(other)) {
|
53
|
return false;
|
54
|
}
|
55
|
objIsArr = true;
|
56
|
objIsObj = false;
|
57
|
}
|
58
|
if (isSameTag && !objIsObj) {
|
59
|
stack || (stack = new Stack);
|
60
|
return (objIsArr || isTypedArray(object))
|
61
|
? equalArrays(object, other, bitmask, customizer, equalFunc, stack)
|
62
|
: equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);
|
63
|
}
|
64
|
if (!(bitmask & COMPARE_PARTIAL_FLAG)) {
|
65
|
var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),
|
66
|
othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');
|
67
|
|
68
|
if (objIsWrapped || othIsWrapped) {
|
69
|
var objUnwrapped = objIsWrapped ? object.value() : object,
|
70
|
othUnwrapped = othIsWrapped ? other.value() : other;
|
71
|
|
72
|
stack || (stack = new Stack);
|
73
|
return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);
|
74
|
}
|
75
|
}
|
76
|
if (!isSameTag) {
|
77
|
return false;
|
78
|
}
|
79
|
stack || (stack = new Stack);
|
80
|
return equalObjects(object, other, bitmask, customizer, equalFunc, stack);
|
81
|
}
|
82
|
|
83
|
module.exports = baseIsEqualDeep;
|