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Diffstat (limited to 'node_modules/lodash/after.js')
-rw-r--r-- | node_modules/lodash/after.js | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/node_modules/lodash/after.js b/node_modules/lodash/after.js new file mode 100644 index 0000000..3900c97 --- /dev/null +++ b/node_modules/lodash/after.js @@ -0,0 +1,42 @@ +var toInteger = require('./toInteger'); + +/** Error message constants. */ +var FUNC_ERROR_TEXT = 'Expected a function'; + +/** + * The opposite of `_.before`; this method creates a function that invokes + * `func` once it's called `n` or more times. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Function + * @param {number} n The number of calls before `func` is invoked. + * @param {Function} func The function to restrict. + * @returns {Function} Returns the new restricted function. + * @example + * + * var saves = ['profile', 'settings']; + * + * var done = _.after(saves.length, function() { + * console.log('done saving!'); + * }); + * + * _.forEach(saves, function(type) { + * asyncSave({ 'type': type, 'complete': done }); + * }); + * // => Logs 'done saving!' after the two async saves have completed. + */ +function after(n, func) { + if (typeof func != 'function') { + throw new TypeError(FUNC_ERROR_TEXT); + } + n = toInteger(n); + return function() { + if (--n < 1) { + return func.apply(this, arguments); + } + }; +} + +module.exports = after; |