You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
13 lines
199 B
JavaScript
13 lines
199 B
JavaScript
10 months ago
|
'use strict';
|
||
|
|
||
|
module.exports = function once(fn) {
|
||
|
let called = false;
|
||
|
return function() {
|
||
|
if (called) {
|
||
|
return;
|
||
|
}
|
||
|
called = true;
|
||
|
return fn.apply(null, arguments);
|
||
|
};
|
||
|
};
|