1
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var baseMatches = require('./_baseMatches'),
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2
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baseMatchesProperty = require('./_baseMatchesProperty'),
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3
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identity = require('./identity'),
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4
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isArray = require('./isArray'),
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5
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property = require('./property');
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6
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7
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/**
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8
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* The base implementation of `_.iteratee`.
|
9
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*
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10
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* @private
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11
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* @param {*} [value=_.identity] The value to convert to an iteratee.
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12
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* @returns {Function} Returns the iteratee.
|
13
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*/
|
14
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function baseIteratee(value) {
|
15
|
// Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.
|
16
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// See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.
|
17
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if (typeof value == 'function') {
|
18
|
return value;
|
19
|
}
|
20
|
if (value == null) {
|
21
|
return identity;
|
22
|
}
|
23
|
if (typeof value == 'object') {
|
24
|
return isArray(value)
|
25
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? baseMatchesProperty(value[0], value[1])
|
26
|
: baseMatches(value);
|
27
|
}
|
28
|
return property(value);
|
29
|
}
|
30
|
|
31
|
module.exports = baseIteratee;
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