1
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var baseSlice = require('./_baseSlice'),
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2
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isIterateeCall = require('./_isIterateeCall'),
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3
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toInteger = require('./toInteger');
|
4
|
|
5
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/**
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6
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* Creates a slice of `array` from `start` up to, but not including, `end`.
|
7
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*
|
8
|
* **Note:** This method is used instead of
|
9
|
* [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are
|
10
|
* returned.
|
11
|
*
|
12
|
* @static
|
13
|
* @memberOf _
|
14
|
* @since 3.0.0
|
15
|
* @category Array
|
16
|
* @param {Array} array The array to slice.
|
17
|
* @param {number} [start=0] The start position.
|
18
|
* @param {number} [end=array.length] The end position.
|
19
|
* @returns {Array} Returns the slice of `array`.
|
20
|
*/
|
21
|
function slice(array, start, end) {
|
22
|
var length = array == null ? 0 : array.length;
|
23
|
if (!length) {
|
24
|
return [];
|
25
|
}
|
26
|
if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {
|
27
|
start = 0;
|
28
|
end = length;
|
29
|
}
|
30
|
else {
|
31
|
start = start == null ? 0 : toInteger(start);
|
32
|
end = end === undefined ? length : toInteger(end);
|
33
|
}
|
34
|
return baseSlice(array, start, end);
|
35
|
}
|
36
|
|
37
|
module.exports = slice;
|