dotfiles/.vscode/extensions/vscodevim.vim-0.2.0/node_modules/lodash/sample.js

27 lines
631 B
JavaScript
Raw Normal View History

2016-09-11 09:29:13 +01:00
var baseRandom = require('./_baseRandom'),
isArrayLike = require('./isArrayLike'),
values = require('./values');
/**
* Gets a random element from `collection`.
*
* @static
* @memberOf _
* @since 2.0.0
* @category Collection
* @param {Array|Object} collection The collection to sample.
* @returns {*} Returns the random element.
* @example
*
* _.sample([1, 2, 3, 4]);
* // => 2
*/
function sample(collection) {
var array = isArrayLike(collection) ? collection : values(collection),
length = array.length;
return length > 0 ? array[baseRandom(0, length - 1)] : undefined;
}
module.exports = sample;