feat: migrate Angular 9 PWA to React 18 + TypeScript + Vite

.eslintrc.cjs

@@ -0,0 +1,18 @@
+module.exports = {
+  root: true,
+  env: { browser: true, es2020: true },
+  extends: [
+    'eslint:recommended',
+    'plugin:@typescript-eslint/recommended',
+    'plugin:react-hooks/recommended',
+  ],
+  ignorePatterns: ['dist', '.eslintrc.cjs'],
+  parser: '@typescript-eslint/parser',
+  plugins: ['react-refresh'],
+  rules: {
+    'react-refresh/only-export-components': [
+      'warn',
+      { allowConstantExport: true, allowExportNames: ['useSettings'] },
+    ],
+  },
+};

.gitignore

@@ -1,29 +1,11 @@
-# See http://help.github.com/ignore-files/ for more about ignoring files.
-
-# compiled output
-/dist
-/tmp
-/out-tsc
-# Only exists if Bazel was run
-/bazel-out
-
 # dependencies
 /node_modules
 
-# profiling files
-chrome-profiler-events.json
-speed-measure-plugin.json
+# build output
+/dist
 
 # IDEs and editors
 /.idea
-.project
-.classpath
-.c9/
-*.launch
-.settings/
-*.sublime-workspace
-
-# IDE - VSCode
 .vscode/*
 !.vscode/settings.json
 !.vscode/tasks.json
@@ -33,14 +15,13 @@ speed-measure-plugin.json
 
 # misc
 /.sass-cache
-/connect.lock
 /coverage
-/libpeerconnection.log
 npm-debug.log
 yarn-error.log
-testem.log
-/typings
 
 # System Files
 .DS_Store
 Thumbs.db
+
+# env files
+*.local

.travis.yml

@@ -1,14 +1,13 @@
 language: node_js
 node_js:
-  - "6.9"
+  - "18"
 
 branches:
   only:
     - master
 
 before_script:
   - npm install -g firebase-tools
-  - npm install -g @angular/cli
 
 script:
   - npm run build