source: trip-planner-front/node_modules/lodash/sampleSize.js@ 6fe77af

Last change on this file since 6fe77af was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

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1var arraySampleSize = require('./_arraySampleSize'),
2 baseSampleSize = require('./_baseSampleSize'),
3 isArray = require('./isArray'),
4 isIterateeCall = require('./_isIterateeCall'),
5 toInteger = require('./toInteger');
6
7/**
8 * Gets `n` random elements at unique keys from `collection` up to the
9 * size of `collection`.
10 *
11 * @static
12 * @memberOf _
13 * @since 4.0.0
14 * @category Collection
15 * @param {Array|Object} collection The collection to sample.
16 * @param {number} [n=1] The number of elements to sample.
17 * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
18 * @returns {Array} Returns the random elements.
19 * @example
20 *
21 * _.sampleSize([1, 2, 3], 2);
22 * // => [3, 1]
23 *
24 * _.sampleSize([1, 2, 3], 4);
25 * // => [2, 3, 1]
26 */
27function sampleSize(collection, n, guard) {
28 if ((guard ? isIterateeCall(collection, n, guard) : n === undefined)) {
29 n = 1;
30 } else {
31 n = toInteger(n);
32 }
33 var func = isArray(collection) ? arraySampleSize : baseSampleSize;
34 return func(collection, n);
35}
36
37module.exports = sampleSize;
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