You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
43 lines
1.0 KiB
43 lines
1.0 KiB
5 months ago
|
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;
|