refactor: migrate build script to typescript

.eslintrc

@@ -312,6 +312,14 @@
       "rules": {
         "max-len": "off"
       }
+    },
+    {
+      "files": ["scripts/**/*"],
+      "rules": {
+        "import/no-extraneous-dependencies": "off",
+        "no-console": "off",
+        "require-jsdoc":"off"
+      }
     }
   ]
-}
+}

.github/workflows/if-nodejs-pr-testing.yml

@@ -67,8 +67,9 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: '${{ steps.nodeversion.outputs.version }}'
-      - name: Install dependencies
-        run: npm ci
+      - if: steps.packagejson.outputs.exists == 'true'
+        name: Install dependencies
+        run: npm install
       - if: steps.packagejson.outputs.exists == 'true'
         name: Test
         run: npm test --if-present

jest.config.cjs

@@ -0,0 +1,29 @@
+module.exports = {
+  verbose: true,
+  collectCoverage: true,
+  coverageReporters: ['text', 'lcov', 'json-summary'],
+  coverageDirectory: 'coverage',
+  collectCoverageFrom: ['scripts/**/*.ts'],
+  coveragePathIgnorePatterns: ['scripts/compose.ts', 'scripts/tools/categorylist.ts', 'scripts/tools/tags-color.ts'],
+  testMatch: ['**/tests/**/*.test.*', '!**/netlify/**/*.test.*'],
+  transform: {
+    '^.+\\.tsx?$': [
+      'ts-jest',
+      {
+        useESM: true,
+        tsconfig: {
+          module: 'ES2022',
+          moduleResolution: 'node',
+          resolveJsonModule: true,
+          esModuleInterop: true,
+          target: 'ES2024'
+        }
+      }
+    ],
+    '^.+\\.json$': ['ts-jest', { useESM: true }]
+  },
+  extensionsToTreatAsEsm: ['.ts', '.tsx'],
+  moduleNameMapper: {
+    '^(\\.{1,2}/.*)\\.js$': '$1'
+  }
+};

next-i18next.config.cjs

@@ -0,0 +1,13 @@
+// The file is required to be named next-i18next.config.cjs so we can use it in next.config.js.
+// https://github.com/i18next/next-i18next/issues/2185#issuecomment-1618307556
+process.env.I18NEXT_DEFAULT_CONFIG_PATH = './next-i18next.config.cjs';
+
+module.exports = {
+  i18n: {
+    locales: ['en', 'de'],
+    defaultLocale: 'en',
+    namespaces: ['landing-page', 'common', 'tools'],
+    defaultNamespace: 'landing-page',
+    react: { useSuspense: false } // this line
+  }
+};