Update Manifest for compatibility with Firefox

See https://stackoverflow.com/a/78088358

manifest.json

@@ -1,7 +1,7 @@
 {
     "manifest_version": 3,
     "name": "__MSG_extensionName__",
-    "version": "0.5.0",
+    "version": "0.5.1",
     "description": "__MSG_extensionDescription__",
     "icons": {
         "48": "icons/48.png",
@@ -26,5 +26,10 @@
         "default_icon": "icons/96.png",
         "default_title": "__MSG_extensionName__",
         "default_popup": "src/popup/index.html"
+    },
+    "browser_specific_settings": {
+        "gecko": {
+            "id": "[email protected]"
+        }
     }
 }

package.json

@@ -1,6 +1,6 @@
 {
     "name": "inject-jyutping",
-    "version": "0.5.0",
+    "version": "0.5.1",
     "description": "A browser extension that adds Cantonese pronunciation (Jyutping) on Chinese characters",
     "type": "module",
     "scripts": {
@@ -9,7 +9,7 @@
         "start": "parcel watch manifest.json --config @parcel/config-webextension --host localhost",
         "prebuild": "npm run lint && npm run clear",
         "build": "parcel build manifest.json --config @parcel/config-webextension --no-source-maps --no-cache",
-        "postbuild": "node scripts/replace-surrogates.js",
+        "postbuild": "node scripts/replace-surrogates.js && node scripts/patch-manifest.js",
         "lint": "tsc -p tsconfig.json"
     },
     "dependencies": {

scripts/patch-manifest.js

@@ -0,0 +1,7 @@
+import { readFile, writeFile } from 'fs/promises';
+
+const path = './dist/manifest.json';
+const manifest = JSON.parse(await readFile(path, 'utf-8'));
+manifest.background.scripts = [manifest.background.service_worker];
+manifest.background.persistent = true;
+await writeFile(path, JSON.stringify(manifest));