@nopwdio/sdk-js/dist/internal/util/mutex.js

Nopwd JS SDK

export class Mutex {
    constructor() {
        this.locked = false;
        this.queue = [];
    }
    lock() {
        return new Promise((resolve) => {
            if (!this.locked) {
                this.locked = true;
                resolve(undefined);
            }
            else {
                this.queue.push(resolve);
            }
        });
    }
    unlock() {
        if (this.queue.length > 0) {
            const resolve = this.queue.shift();
            resolve();
        }
        else {
            this.locked = false;
        }
    }
}
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