15 lines
247 B
JavaScript
15 lines
247 B
JavaScript
/* MAIN */
|
|
const once = (fn) => {
|
|
let called = false;
|
|
let result;
|
|
return () => {
|
|
if (!called) {
|
|
called = true;
|
|
result = fn();
|
|
}
|
|
return result;
|
|
};
|
|
};
|
|
/* EXPORT */
|
|
export default once;
|