implement worker without proxies for better compatibility with old devices

src/components/images/blurhash.worker.ts

@@ -1,25 +1,16 @@
+/* eslint-disable no-restricted-globals */
 import { decode } from 'blurhash';
-import { expose } from 'comlink';
 
-/**
- * Decodes blurhash outside the main thread, in a web worker
- *
- * @param {string} hash - Hash to decode.
- * @param {number} width - Width of the decoded pixel array
- * @param {number} height - Height of the decoded pixel array.
- * @param {number} punch - Contrast of the decoded pixels
- * @returns {Uint8ClampedArray} - Returns the decoded pixels in the proxied response by Comlink
- */
-function getPixels({
-    hash,
-    width,
-    height
-}): Uint8ClampedArray {
+self.onmessage = ({ data: { hash, width, height } }): void => {
     try {
-        return decode(hash, width, height);
+        self.postMessage({
+            pixels: decode(hash, width, height),
+            hsh: hash,
+            width: width,
+            height: height
+        });
     } catch {
         throw new TypeError(`Blurhash ${hash} is not valid`);
     }
-}
-
-expose(getPixels);
+};
+/* eslint-enable no-restricted-globals */