| /** |
| * Lo-Dash 2.4.1 (Custom Build) <http://lodash.com/> |
| * Build: `lodash modularize exports="node" -o ./compat/` |
| * Copyright 2012-2013 The Dojo Foundation <http://dojofoundation.org/> |
| * Based on Underscore.js 1.5.2 <http://underscorejs.org/LICENSE> |
| * Copyright 2009-2013 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors |
| * Available under MIT license <http://lodash.com/license> |
| */ |
| var keys = require('../objects/keys'); |
| |
| /** |
| * Gets the size of the `collection` by returning `collection.length` for arrays |
| * and array-like objects or the number of own enumerable properties for objects. |
| * |
| * @static |
| * @memberOf _ |
| * @category Collections |
| * @param {Array|Object|string} collection The collection to inspect. |
| * @returns {number} Returns `collection.length` or number of own enumerable properties. |
| * @example |
| * |
| * _.size([1, 2]); |
| * // => 2 |
| * |
| * _.size({ 'one': 1, 'two': 2, 'three': 3 }); |
| * // => 3 |
| * |
| * _.size('pebbles'); |
| * // => 7 |
| */ |
| function size(collection) { |
| var length = collection ? collection.length : 0; |
| return typeof length == 'number' ? length : keys(collection).length; |
| } |
| |
| module.exports = size; |