Improve types for web workers (#502)

* Improve types for web workers

* Move worker-loader config inline

* Remove trailing spaces in translations

src/js/webworkers/background_animation_frame_emittter.worker.js

@@ -1,15 +1,14 @@
 // We clamp high deltas so 30 fps is fairly ok
-var bgFps = 30;
-var desiredMsDelay = 1000 / bgFps;
+const bgFps = 30;
+const desiredMsDelay = 1000 / bgFps;
 
-let lastTick = 0;
+let lastTick = performance.now();
 
 function tick() {
-    var now = performance.now();
-    var delta = now - lastTick;
+    const now = performance.now();
+    const delta = now - lastTick;
     lastTick = now;
 
-    // @ts-ignore
     postMessage({ delta });
 }
 

src/js/webworkers/compression.worker.js

@@ -12,15 +12,9 @@ function accessNestedPropertyReverse(obj, keys) {
 
 const salt = accessNestedPropertyReverse(globalConfig, ["file", "info"]);
 
-onmessage = function (event) {
-    const { jobId, job, data } = event.data;
+onmessage = function ({ data: { jobId, job, data } }) {
     const result = performJob(job, data);
-
-    // @ts-ignore
-    postMessage({
-        jobId,
-        result,
-    });
+    postMessage({ jobId, result });
 };
 
 function performJob(job, data) {

src/js/webworkers/tsconfig.json

@@ -0,0 +1,8 @@
+{
+    "compilerOptions": {
+        "lib": ["ES2018","WebWorker"]
+    },
+    "exclude": [],
+    "extends": "../tsconfig",
+    "include": ["*.worker.js"]
+}