2021-12-07 13:18:08 -05:00

19 lines
354 B
JavaScript

define(function () {
// 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;
};
}
return before;
});