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.
15 lines
311 B
15 lines
311 B
3 years ago
|
// Returns a function that will only be executed up to (but not including) the
|
||
|
|
// Nth call.
|
||
|
|
function before(times, func) {
|
||
|
|
var memo;
|
||
|
|
return function() {
|
||
|
|
if (--times > 0) {
|
||
|
|
memo = func.apply(this, arguments);
|
||
|
|
}
|
||
|
|
if (times <= 1) func = null;
|
||
|
|
return memo;
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
module.exports = before;
|