97765613bc
* Define new notification settings model * Add new hooks * make ts-strict happy * add unit tests * chore: make eslint/prettier happier :) * make ts-strict happier * Update src/notifications/NotificationUtils.ts Co-authored-by: Robin <robin@robin.town> * Add tests for hooks * chore: fixed lint issues * Add comments --------- Co-authored-by: Robin <robin@robin.town>
48 lines
1.8 KiB
TypeScript
48 lines
1.8 KiB
TypeScript
/*
|
|
Copyright 2023 The Matrix.org Foundation C.I.C.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
import { DependencyList, useCallback, useEffect, useState } from "react";
|
|
|
|
type Fn<T> = () => Promise<T>;
|
|
|
|
/**
|
|
* Works just like useMemo or our own useAsyncMemo, but additionally exposes a method to refresh the cached value
|
|
* as if the dependency had changed
|
|
* @param fn function to memoize
|
|
* @param deps React hooks dependencies for the function
|
|
* @param initialValue initial value
|
|
* @return tuple of cached value and refresh callback
|
|
*/
|
|
export function useAsyncRefreshMemo<T>(fn: Fn<T>, deps: DependencyList, initialValue: T): [T, () => void];
|
|
export function useAsyncRefreshMemo<T>(fn: Fn<T>, deps: DependencyList, initialValue?: T): [T | undefined, () => void];
|
|
export function useAsyncRefreshMemo<T>(fn: Fn<T>, deps: DependencyList, initialValue?: T): [T | undefined, () => void] {
|
|
const [value, setValue] = useState<T | undefined>(initialValue);
|
|
const refresh = useCallback(() => {
|
|
let discard = false;
|
|
fn()
|
|
.then((v) => {
|
|
if (!discard) {
|
|
setValue(v);
|
|
}
|
|
})
|
|
.catch((err) => console.error(err));
|
|
return () => {
|
|
discard = true;
|
|
};
|
|
}, deps); // eslint-disable-line react-hooks/exhaustive-deps
|
|
useEffect(refresh, [refresh]);
|
|
return [value, refresh];
|
|
}
|