@hortemo/semaphore/dist/index.d.cts

A minimal FIFO semaphore for JS/TS.

/** Function returned by {@link Semaphore.acquire}. Call once to return the permit. */
type Releaser = () => void;
/** Promise-based FIFO semaphore. */
declare class Semaphore {
    private _permits;
    private _waitQueue;
    /**
     * Create a semaphore.
     *
     * @param permits Non-negative initial permit count.
     * @throws {Error} If `permits` is not a non-negative integer.
     */
    constructor(permits: number);
    /** Resolve with a {@link Releaser} when a permit is available. Call it once to return the permit. */
    acquire(): Promise<Releaser>;
    /** Try to grant permits to the wait queue while any are available. */
    private _dispatch;
}

export { type Releaser, Semaphore as default };