2022-09-28 22:04:00 -04:00

50 lines
1.2 KiB
TypeScript

import { WAIT_UNTIL_ACTION } from '../store/middleware/waitUntilAction';
import type { WaitActionArgs } from '../store/middleware/waitUntilAction';
import type { ThunkDispatch } from 'redux-thunk';
import type { AnyAction } from 'redux';
import type { State } from '../types/redux';
export function waitUntil({ predicate, run }: WaitActionArgs) {
return {
type: WAIT_UNTIL_ACTION,
predicate,
run,
};
}
export async function waitUntilWithTimeout<T>(
dispatch: ThunkDispatch<State, {}, AnyAction>,
waitActionArgs: (resolve: (value?: T) => void) => WaitActionArgs,
timeout = 30000,
): Promise<T | null> {
let waitDone = false;
const waitPromise = new Promise<T>(resolve => {
dispatch(waitUntil(waitActionArgs(resolve)));
});
const timeoutPromise = new Promise<T | null>(resolve => {
setTimeout(() => {
if (waitDone) {
resolve();
} else {
console.warn('Wait Action timed out');
resolve(null);
}
}, timeout);
});
const result = await Promise.race([
waitPromise
.then(result => {
waitDone = true;
return result;
})
.catch(null),
timeoutPromise,
]);
return result;
}