25 lines
581 B
JavaScript
25 lines
581 B
JavaScript
/* IMPORT */
|
|
import makeNakedPromise from 'promise-make-naked';
|
|
/* MAIN */
|
|
const makeCounterPromise = () => {
|
|
const { promise, resolve, isPending } = makeNakedPromise();
|
|
let counter = 0;
|
|
const increment = () => {
|
|
counter += 1;
|
|
};
|
|
const decrement = () => {
|
|
counter -= 1;
|
|
if (counter)
|
|
return;
|
|
resolve();
|
|
};
|
|
const init = () => {
|
|
increment();
|
|
queueMicrotask(decrement);
|
|
};
|
|
init();
|
|
return { promise, isPending, increment, decrement };
|
|
};
|
|
/* EXPORT */
|
|
export default makeCounterPromise;
|