@ng-web-apis/workers/esm2022/worker/pipes/worker.pipe.mjs

A library for comfortable use of Web Workers API in Angular

import { Pipe } from '@angular/core';
import { WebWorker } from '../classes/web-worker';
import { toData } from '../operators/to-data';
import * as i0 from "@angular/core";
class WorkerPipe {
    fn;
    worker;
    observer;
    transform(value, fn) {
        if (this.fn !== fn) {
            this.terminateWorker();
            this.initNewWorker(fn);
        }
        this.worker.postMessage(value);
        return this.observer;
    }
    ngOnDestroy() {
        this.terminateWorker();
    }
    terminateWorker() {
        if (this.worker) {
            this.worker.terminate();
        }
    }
    initNewWorker(fn) {
        this.fn = fn;
        this.worker = WebWorker.fromFunction(fn);
        this.observer = this.worker.pipe(toData());
    }
    static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.2.12", ngImport: i0, type: WorkerPipe, deps: [], target: i0.ɵɵFactoryTarget.Pipe });
    static ɵpipe = i0.ɵɵngDeclarePipe({ minVersion: "14.0.0", version: "16.2.12", ngImport: i0, type: WorkerPipe, isStandalone: true, name: "waWorker" });
}
export { WorkerPipe };
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.2.12", ngImport: i0, type: WorkerPipe, decorators: [{
            type: Pipe,
            args: [{
                    standalone: true,
                    name: 'waWorker',
                }]
        }] });
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