Drop support for MV2 Chrome

.github/workflows/ci.yml

@@ -35,24 +35,9 @@ jobs:
   Test:
     # https://github.com/puppeteer/puppeteer/issues/12818#issuecomment-2415915338
     runs-on: ubuntu-22.04
-    strategy:
-      fail-fast: false
-      matrix:
-        permission:
-          - tabs
-          - webNavigation
-        version:
-          - "2"
-          - "3"
     steps:
       - uses: actions/checkout@v3
       - run: sudo apt-get install xvfb
       - run: npm ci
       - run: npm run demo:build
-      - name: Use tabs-only permission
-        if: matrix.permission == 'tabs'
-        run: |
-          sed -i 's/webNavigation/tabs/' test/demo-extension/mv${{ matrix.version }}/manifest.json
       - run: xvfb-run --auto-servernum npm run jest:core
-        env:
-          TARGET: ${{ matrix.version }}

contributing.md

@@ -2,7 +2,7 @@
 
 ## Demo extension
 
-There's a demo extension in both MV2 (manifest v2) and MV3 (manifest v3) variants. This extension can be build and run manually, via `web-ext` or as a test fixture.
+There's a demo MV3 (manifest v3) extension. This extension can be built and run manually, via `web-ext` or as a test fixture.
 
 ### Building the extension locally
 
@@ -13,23 +13,12 @@ npm run demo:build
 npm run demo:watch
 ```
 
-Both MV2 and MV3 versions will be built at the same time
-
 ### Running Jest tests
 
 ```sh
 npm run jest
 ```
 
-Both MV2 and MV3 versions will be tested in series.
-
-Or pick one:
-
-```sh
-TARGET=2 npm run jest:core
-TARGET=3 npm run jest:core
-```
-
 ### Running the demo extension locally
 
 ```sh
@@ -39,4 +28,3 @@ npx web-ext run
 You can add these flags to `web-ext`:
 
 - `-t chromium` to open Chrome
-- `--sourceDir test/dist/mv3` to open the Manifest v3 version instead of v2

jest-puppeteer.config.cjs

@@ -1,11 +1,10 @@
 const path = require('node:path');
-const process = require('node:process');
 
 module.exports = {
 	launch: {
 		headless: false,
 		args: [
-			'--disable-extensions-except=' + path.resolve(__dirname, 'test/dist/mv' + (process.env.TARGET ?? 2)),
+			'--disable-extensions-except=' + path.resolve(__dirname, 'test/dist'),
 			'--window-size=400,800',
 		],
 	},