feat: migrate from Angular 9 to React 19 infrastructure

.github/workflows/ci.yml

@@ -0,0 +1,33 @@
+name: CI
+
+on:
+  push:
+    branches: [master]
+  pull_request:
+    branches: [master]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: npm
+
+      - run: npm install
+
+      - name: Type check
+        run: npm run typecheck
+
+      - name: Lint
+        run: npm run lint
+
+      - name: Build
+        run: npm run build
+
+      - name: Test
+        run: npm run test

.gitignore

@@ -1,46 +1,27 @@
-# See http://help.github.com/ignore-files/ for more about ignoring files.
+# Dependencies
+node_modules/
 
-# compiled output
-/dist
-/tmp
-/out-tsc
-# Only exists if Bazel was run
-/bazel-out
+# Build output
+dist/
 
-# dependencies
-/node_modules
+# Editor
+.idea/
+.vscode/
+*.swp
+*.swo
 
-# profiling files
-chrome-profiler-events.json
-speed-measure-plugin.json
-
-# IDEs and editors
-/.idea
-.project
-.classpath
-.c9/
-*.launch
-.settings/
-*.sublime-workspace
+# OS
+.DS_Store
+Thumbs.db
 
-# IDE - VSCode
-.vscode/*
-!.vscode/settings.json
-!.vscode/tasks.json
-!.vscode/launch.json
-!.vscode/extensions.json
-.history/*
+# Environment
+.env
+.env.local
+.env.*.local
 
-# misc
-/.sass-cache
-/connect.lock
-/coverage
-/libpeerconnection.log
-npm-debug.log
-yarn-error.log
-testem.log
-/typings
+# Logs
+*.log
+npm-debug.log*
 
-# System Files
-.DS_Store
-Thumbs.db
+# Testing
+coverage/

eslint.config.js

@@ -0,0 +1,25 @@
+import js from '@eslint/js';
+import globals from 'globals';
+import reactHooks from 'eslint-plugin-react-hooks';
+import reactRefresh from 'eslint-plugin-react-refresh';
+import tseslint from 'typescript-eslint';
+
+export default tseslint.config(
+  { ignores: ['dist'] },
+  {
+    extends: [js.configs.recommended, ...tseslint.configs.recommended],
+    files: ['**/*.{ts,tsx}'],
+    languageOptions: {
+      ecmaVersion: 2020,
+      globals: globals.browser,
+    },
+    plugins: {
+      'react-hooks': reactHooks,
+      'react-refresh': reactRefresh,
+    },
+    rules: {
+      ...reactHooks.configs.recommended.rules,
+      'react-refresh/only-export-components': ['warn', { allowConstantExport: true }],
+    },
+  }
+);

firebase.json

@@ -4,6 +4,7 @@
   },
   "hosting": {
     "public": "dist",
+    "ignore": ["firebase.json", "**/.*", "**/node_modules/**"],
     "rewrites": [
       {
         "source": "**",