1
|
/**
|
2
|
* The base implementation of `_.slice` without an iteratee call guard.
|
3
|
*
|
4
|
* @private
|
5
|
* @param {Array} array The array to slice.
|
6
|
* @param {number} [start=0] The start position.
|
7
|
* @param {number} [end=array.length] The end position.
|
8
|
* @returns {Array} Returns the slice of `array`.
|
9
|
*/
|
10
|
function baseSlice(array, start, end) {
|
11
|
var index = -1,
|
12
|
length = array.length;
|
13
|
|
14
|
if (start < 0) {
|
15
|
start = -start > length ? 0 : (length + start);
|
16
|
}
|
17
|
end = end > length ? length : end;
|
18
|
if (end < 0) {
|
19
|
end += length;
|
20
|
}
|
21
|
length = start > end ? 0 : ((end - start) >>> 0);
|
22
|
start >>>= 0;
|
23
|
|
24
|
var result = Array(length);
|
25
|
while (++index < length) {
|
26
|
result[index] = array[index + start];
|
27
|
}
|
28
|
return result;
|
29
|
}
|
30
|
|
31
|
module.exports = baseSlice;
|