Exclude unnecessary messages from the standard localization files

extension/.parcelrc

@@ -4,6 +4,6 @@
  "transformers": {
  "filename:*": ["./tools/transformers/filename", "..."],
  "locale:*": ["./tools/transformers/locale", "@parcel/transformer-json", "@parcel/transformer-js"],
- "raw:messages.json": ["./tools/transformers/locale"]
+ "raw:messages.json": ["./tools/transformers/locale", "./tools/transformers/treeshake"]
  }
 }

extension/package.json

@@ -70,6 +70,15 @@
  "plus-lg",
  "trash"
  ],
+ "messages": [
+ "appName",
+ "appShortName",
+ "appDescription",
+ "actionInstallSite",
+ "actionLaunchSite",
+ "updateNotificationTitle",
+ "updateNotificationMessage"
+ ],
  "alias": {
  "process": false
  }

extension/src/manifest.json

@@ -28,8 +28,7 @@
  ],
  "browser_action": {
  "default_icon": "images/browser-action.svg",
- "default_popup": "sites/manage.html",
- "default_title": "__MSG_appShortName__"
+ "default_popup": "sites/manage.html"
  },
  "page_action": {},
  "permissions": [

extension/tools/transformers/treeshake.js

@@ -0,0 +1,21 @@
+const { Transformer } = require('@parcel/plugin')
+
+const allowed = require('../../package.json').messages
+
+module.exports = new Transformer({
+ async transform ({ asset }) {
+ const messages = JSON.parse(await asset.getCode())
+
+ // Remove all messages except ones used by the standard localization system
+ for (const key in messages) {
+ if (!allowed.includes(key)) {
+ delete messages[key]
+ }
+ }
+
+ asset.setCode(JSON.stringify(messages))
+ asset.type = 'json'
+
+ return [asset]
+ }
+})