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/*
* SPDX-FileCopyrightText: syuilo and misskey-project
* SPDX-License-Identifier: AGPL-3.0-only
*/
export async function tick(): Promise<void> {
// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
await new Promise((globalThis.requestIdleCallback ?? setTimeout) as never);
}
/**
* @see https://github.com/misskey-dev/misskey/issues/11267
*/
export function semaphore(counter = 0, waiting: (() => void)[] = []) {
return {
acquire: () => ++counter > 1 && new Promise<void>(resolve => waiting.push(resolve)),
release: () => --counter && waiting.pop()?.(),
};
}
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