web-worker-helper/dist/esm/worker-farm/worker-job.js

Utilities for running tasks on worker threads

import { assert } from '../utils/env-utils/assert';
/**
 * Represents one Job handled by a WorkerPool or WorkerFarm
 */
var WorkerJob = /** @class */ (function () {
    function WorkerJob(jobName, workerThread) {
        var _this = this;
        this.name = jobName;
        this.workerThread = workerThread;
        this.isRunning = true;
        this.resolve = function () { };
        this.reject = function () { };
        this.result = new Promise(function (resolve, reject) {
            _this.resolve = resolve;
            _this.reject = reject;
        });
    }
    /**
     * Send a message to the job's worker thread
     * @param data any data structure, ideally consisting mostly of transferrable objects
     */
    WorkerJob.prototype.postMessage = function (type, payload) {
        this.workerThread.postMessage({
            source: 'Main thread', // Lets worker ignore unrelated messages
            type: type,
            payload: payload,
        });
    };
    /**
     * Call to resolve the `result` Promise with the supplied value
     */
    WorkerJob.prototype.done = function (value) {
        assert(this.isRunning, 'WorkerJob isRunning false.');
        this.isRunning = false;
        this.resolve(value);
    };
    /**
     * Call to reject the `result` Promise with the supplied error
     */
    WorkerJob.prototype.error = function (error) {
        assert(this.isRunning, 'WorkerJob isRunning false.');
        this.isRunning = false;
        this.reject(error);
    };
    return WorkerJob;
}());
export default WorkerJob;