@nodesecure/tarball/dist/class/PooledWorker.class.js

NodeSecure tarball scanner

// Import Node.js Dependencies
import { Worker } from "node:worker_threads";
export class PooledWorker {
    #worker;
    #currentTaskId = null;
    #events;
    constructor(workerPath, events) {
        this.#events = events;
        this.#worker = new Worker(workerPath);
        this.#worker.on("message", (message) => {
            this.#currentTaskId = null;
            this.#events.onComplete(this, message);
        });
        this.#worker.on("error", (error) => {
            const taskId = this.#currentTaskId;
            this.#currentTaskId = null;
            this.#events.onError(this, error, taskId);
        });
    }
    get isAvailable() {
        return this.#currentTaskId === null;
    }
    execute(task) {
        if (!this.isAvailable) {
            throw new Error(`Worker is busy with task ${this.#currentTaskId}`);
        }
        this.#currentTaskId = task.id;
        this.#worker.postMessage(task);
    }
    terminate() {
        return this.#worker.terminate();
    }
}
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