mirror of
https://github.com/streetwriters/notesnook.git
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53 lines
1.4 KiB
TypeScript
53 lines
1.4 KiB
TypeScript
/*
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This file is part of the Notesnook project (https://notesnook.com/)
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Copyright (C) 2023 Streetwriters (Private) Limited
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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import { useRef } from "react";
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import { MMKV } from "../common/database/mmkv";
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export function useStoredRef<T>(
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key: string,
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initialValue: T
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): {
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current: T;
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reset(): void;
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} {
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const refKey = `storedRef:${key}`;
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const value = useRef(
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MMKV.getMap<{ current: T }>(refKey)?.current || initialValue
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);
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const frameRef = useRef(0);
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return {
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get current() {
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return value.current;
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},
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set current(next: T) {
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value.current = next;
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cancelAnimationFrame(frameRef.current);
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frameRef.current = requestAnimationFrame(() => {
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MMKV.setMap(refKey, {
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current: value.current
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});
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});
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},
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reset() {
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MMKV.removeItem(refKey);
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}
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};
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}
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