Refactor

src/background/background.ts

@@ -1,53 +1,16 @@
 import '../../packages/wasm_exec.js';
 import { type Message } from '@core/background';
-import { jq } from '@packages/jq';
-import { format, tokenize } from '@packages/tokenizer';
-import { is } from './helpres';
+import { handler } from './handler';
 
 // eslint-disable-next-line @typescript-eslint/no-deprecated
-chrome.runtime.onMessage.addListener(function (message: Message | object, _, sendResponse) {
-  if (is(message, 'tokenize')) {
-    tokenize(message.json)
-      .then(sendResponse)
-      .catch((err: Error) =>
-        sendResponse({
-          type: 'error',
-          scope: 'worker',
-          stack: err.stack,
-          error: err.message,
-        }),
-      );
+chrome.runtime.onMessage.addListener(function (message: Message, _, sendResponse): boolean {
+  handler(message, sendResponse)
+    .catch((err: Error) => sendResponse({
+      type: 'error',
+      scope: 'worker',
+      stack: err.stack,
+      error: err.message,
+    }));
 
-    return true;
-  }
-
-  if (is(message, 'format')) {
-    format(message.json)
-      .then(sendResponse)
-      .catch((err: Error) =>
-        sendResponse({
-          type: 'error',
-          scope: 'worker',
-          stack: err.stack,
-          error: err.message,
-        }),
-      );
-
-    return true;
-  }
-
-  if (is(message, 'jq')) {
-    jq(message.json, message.query)
-      .then(sendResponse)
-      .catch((err: Error) =>
-        sendResponse({
-          type: 'error',
-          scope: 'worker',
-          stack: err.stack,
-          error: err.message,
-        }),
-      );
-
-    return true;
-  }
+  return true;
 });

src/background/handler.ts

@@ -0,0 +1,18 @@
+import type { Message } from '@core/background';
+import { jq } from '@packages/jq';
+import { format, tokenize } from '@packages/tokenizer';
+import { is } from './helpres';
+
+export const handler = async (message: Message, sendResponse: (resp: unknown) => void): Promise<void> => {
+  if (is(message, 'tokenize')) {
+    await tokenize(message.json)
+      .then(sendResponse);
+  } else if (is(message, 'format')) {
+    await format(message.json)
+      .then(sendResponse);
+  } else if (is(message, 'jq')) {
+    await jq(message.json, message.query)
+      .then(sendResponse);
+  }
+};
+