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https://github.com/streetwriters/notesnook.git
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36 lines
1.0 KiB
TypeScript
36 lines
1.0 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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export class QueueValue<T> {
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#counter: number;
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constructor(readonly value: T, private readonly destructor: () => void) {
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this.#counter = 0;
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}
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use() {
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this.#counter++;
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return this.value;
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}
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discard() {
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this.#counter--;
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if (this.#counter === 0) this.destructor();
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}
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}
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