1
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var arrayMap = require('./_arrayMap'),
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2
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baseClone = require('./_baseClone'),
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3
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baseUnset = require('./_baseUnset'),
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4
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castPath = require('./_castPath'),
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5
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copyObject = require('./_copyObject'),
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6
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customOmitClone = require('./_customOmitClone'),
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7
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flatRest = require('./_flatRest'),
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8
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getAllKeysIn = require('./_getAllKeysIn');
|
9
|
|
10
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/** Used to compose bitmasks for cloning. */
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11
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var CLONE_DEEP_FLAG = 1,
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12
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CLONE_FLAT_FLAG = 2,
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13
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CLONE_SYMBOLS_FLAG = 4;
|
14
|
|
15
|
/**
|
16
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* The opposite of `_.pick`; this method creates an object composed of the
|
17
|
* own and inherited enumerable property paths of `object` that are not omitted.
|
18
|
*
|
19
|
* **Note:** This method is considerably slower than `_.pick`.
|
20
|
*
|
21
|
* @static
|
22
|
* @since 0.1.0
|
23
|
* @memberOf _
|
24
|
* @category Object
|
25
|
* @param {Object} object The source object.
|
26
|
* @param {...(string|string[])} [paths] The property paths to omit.
|
27
|
* @returns {Object} Returns the new object.
|
28
|
* @example
|
29
|
*
|
30
|
* var object = { 'a': 1, 'b': '2', 'c': 3 };
|
31
|
*
|
32
|
* _.omit(object, ['a', 'c']);
|
33
|
* // => { 'b': '2' }
|
34
|
*/
|
35
|
var omit = flatRest(function(object, paths) {
|
36
|
var result = {};
|
37
|
if (object == null) {
|
38
|
return result;
|
39
|
}
|
40
|
var isDeep = false;
|
41
|
paths = arrayMap(paths, function(path) {
|
42
|
path = castPath(path, object);
|
43
|
isDeep || (isDeep = path.length > 1);
|
44
|
return path;
|
45
|
});
|
46
|
copyObject(object, getAllKeysIn(object), result);
|
47
|
if (isDeep) {
|
48
|
result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone);
|
49
|
}
|
50
|
var length = paths.length;
|
51
|
while (length--) {
|
52
|
baseUnset(result, paths[length]);
|
53
|
}
|
54
|
return result;
|
55
|
});
|
56
|
|
57
|
module.exports = omit;
|