fix: fix browser build

Author: targos

package.json

@@ -14,8 +14,8 @@
     "lib-esm"
   ],
   "browser": {
-    "lib/worker.js": "lib/worker.browser.js",
-    "lib-esm/worker.js": "lib-esm/worker.browser.js"
+    "./lib/worker.js": "./lib/worker.browser.js",
+    "./lib-esm/worker.js": "./lib-esm/worker.browser.js"
   },
   "scripts": {
     "clean": "rimraf lib lib-esm",

src/worker.browser.ts

@@ -22,7 +22,8 @@ export function makeWorkerCode(workerString: string): string {
 
 const workerFunction = ${workerString};
 
-self.onmessage = async (message) => {
+self.onmessage = async (event) => {
+  const { data: message } = event;
   if (message.type === 'work') {
     try {
       const result = await workerFunction(message.value);
@@ -58,6 +59,6 @@ self.onmessage = async (message) => {
       }
     }
   }
-});
+};
   `;
 }