muench-dev
diff --git a/‎.github/workflows/test.yml‎
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diff --git a/‎.gitignore‎
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diff --git a/‎__tests__/utils.test.js‎
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diff --git a/‎jest.config.js‎
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@@ -0,0 +1,20 @@
+name: CI
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
+        with:
+          node-version: '20'
+      - run: npm ci
+      - run: npm run lint
+      - run: npm test
+      - run: npm run build
@@ -1,2 +1,4 @@
 .idea
 web-ext-artifacts
+node_modules
+coverage
@@ -0,0 +1,31 @@
+const { TextEncoder, TextDecoder } = require('util');
+global.TextEncoder = TextEncoder;
+global.TextDecoder = TextDecoder;
+const { JSDOM } = require('jsdom');
+const { replaceI18nPlaceholders } = require('../utils/utils');
+
+describe('replaceI18nPlaceholders', () => {
+  let dom;
+  beforeEach(() => {
+    dom = new JSDOM(`<!DOCTYPE html><html><head><title data-i18n="title"></title></head><body><span data-i18n="hello"></span><p>__MSG_world__</p></body></html>`);
+    global.document = dom.window.document;
+    global.Node = dom.window.Node;
+    global.browser = {
+      i18n: {
+        getMessage: (key) => ({ title: 'Title', hello: 'Hello', world: 'World' }[key])
+      }
+    };
+  });
+  afterEach(() => {
+    dom.window.close();
+    delete global.document;
+    delete global.Node;
+    delete global.browser;
+  });
+  test('replaces placeholders in elements and text nodes', () => {
+    replaceI18nPlaceholders();
+    expect(dom.window.document.querySelector('span').textContent).toBe('Hello');
+    expect(dom.window.document.querySelector('p').textContent).toBe('World');
+    expect(dom.window.document.title).toBe('Title');
+  });
+});
@@ -0,0 +1,3 @@
+module.exports = {
+  testEnvironment: 'node',
+};
Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	`+module.exports = {`
	`2`	`+ testEnvironment: 'node',`
	`3`	`+};`