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/node_modules/lodash/takeRight.js

https://bitbucket.org/coleman333/smartsite
JavaScript | 39 lines | 12 code | 2 blank | 25 comment | 3 complexity | e1af4c3996906ee93283500d61bed09b MD5 | raw file
 1var baseSlice = require('./_baseSlice'),
 2    toInteger = require('./toInteger');
 3
 4/**
 5 * Creates a slice of `array` with `n` elements taken from the end.
 6 *
 7 * @static
 8 * @memberOf _
 9 * @since 3.0.0
10 * @category Array
11 * @param {Array} array The array to query.
12 * @param {number} [n=1] The number of elements to take.
13 * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
14 * @returns {Array} Returns the slice of `array`.
15 * @example
16 *
17 * _.takeRight([1, 2, 3]);
18 * // => [3]
19 *
20 * _.takeRight([1, 2, 3], 2);
21 * // => [2, 3]
22 *
23 * _.takeRight([1, 2, 3], 5);
24 * // => [1, 2, 3]
25 *
26 * _.takeRight([1, 2, 3], 0);
27 * // => []
28 */
29function takeRight(array, n, guard) {
30  var length = array == null ? 0 : array.length;
31  if (!length) {
32    return [];
33  }
34  n = (guard || n === undefined) ? 1 : toInteger(n);
35  n = length - n;
36  return baseSlice(array, n < 0 ? 0 : n, length);
37}
38
39module.exports = takeRight;