comparison src/app/services/feature-extraction/FeatureExtractionWorker.ts @ 40:f7244f2155a3

Setup some scaffolding for bootstrapping a worker and loading into a service, providing a mechanism for implementing most of the logic which runs inside the worker in TypeScript.

+/**
+ * Created by lucas on 01/12/2016.
+ */
+
+// TODO TypeScript has a .d.ts file for webworkers, but for some reason it clashes with the typings for dom and causes compiler errors
+interface WorkerGlobalScope {
+  onmessage: (this: this, ev: MessageEvent) => any;
+  postMessage(data: any): void;
+}
+
+interface MessageEvent {
+  readonly data: any;
+}
+
+export default class FeatureExtractionWorker {
+  private workerScope: WorkerGlobalScope;
+
+  constructor(workerScope: WorkerGlobalScope) {
+    console.log('ctor');
+    this.workerScope = workerScope;
+    this.workerScope.onmessage = (ev: MessageEvent) => {
+      console.log(ev.data);
+    };
+    let counter = 0;
+    setInterval(() => this.workerScope.postMessage(counter++), 1000);
+  }
+}