issue72: Modernize RMM and move demo code into working project

.gitignore

@@ -11,7 +11,6 @@
 # production
 /build
 /dist
-/lib
 
 # misc
 .DS_Store

README.md

@@ -10,21 +10,22 @@ navigation menu with a "Mega Menu"!
 - Fly-out menus
 - Menus are accessible through key inputs
 - Unified menu for all screen ratios
-- Styled with SASS modules
-- Supports and tested against IE 11, Edge, Safari, FireFox, Chrome
-- CSS animations with prefers-reduced-motion media query
-  [prefers-reduced-motion](https://developer.mozilla.org/en-US/docs/Web/CSS/@media/prefers-reduced-motion)
+- Styled (lightly) with [Emotion](https://emotion.sh)
+- Theme support with vanilla CSS (examples included)
+- Supports and tested against Edge, Safari, FireFox, Chrome
+- CSS animations with [prefers-reduced-motion](https://developer.mozilla.org/en-US/docs/Web/CSS/@media/prefers-reduced-motion) media query
+
 
 ## View demo
 
 Visit:
-[https://react-mega-menu-demo.vercel.app](https://react-mega-menu-demo.vercel.app)
+[https://react-mega-menu.vercel.app](https://react-mega-menu.vercel.app)
 
 ## Deploy
 
 ### Vercel
 
-[![Deploy with Vercel](https://vercel.com/button)](https://vercel.com/new/project?template=https://github.com/jasonrundell/react-mega-menu-demo)
+[![Deploy with Vercel](https://vercel.com/button)](https://vercel.com/new/project?template=https://github.com/jasonrundell/react-mega-menu)
 
 ## Special Thanks
 
@@ -78,9 +79,9 @@ Learn by reading these:
 
 ### How to test prefers-reduced-motion on Windows 10
 
-1. Press Windows key
-1. Search **Show animations in Windows**
-1. Toggle option On/Off
+1. Press the Win+R keys to open Run, type SystemPropertiesPerformance.exe into Run, and click/tap on OK to directly open to the Visual Effects tab in Performance Options.
+1. Check (enable - default) or uncheck (disable) `Animate controls and elements inside windows`.
+1. If you don't see an immediate change, then you can restart the explorer process or sign out and sign in to apply instead.
 
 ### How to test prefers-reduced-motion on Android
 

demo/.gitignore

@@ -0,0 +1,24 @@
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+lerna-debug.log*
+
+node_modules
+dist
+dist-ssr
+*.local
+
+# Editor directories and files
+.vscode/*
+!.vscode/extensions.json
+.idea
+.DS_Store
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+*.sw?

demo/.prettierrc

@@ -0,0 +1,8 @@
+{
+  "endOfLine": "lf",
+  "semi": false,
+  "singleQuote": true,
+  "trailingComma": "none",
+  "proseWrap": "always",
+  "htmlWhitespaceSensitivity": "strict"
+}

demo/README.md

@@ -0,0 +1,50 @@
+# React + TypeScript + Vite
+
+This template provides a minimal setup to get React working in Vite with HMR and some ESLint rules.
+
+Currently, two official plugins are available:
+
+- [@vitejs/plugin-react](https://github.com/vitejs/vite-plugin-react/blob/main/packages/plugin-react/README.md) uses [Babel](https://babeljs.io/) for Fast Refresh
+- [@vitejs/plugin-react-swc](https://github.com/vitejs/vite-plugin-react-swc) uses [SWC](https://swc.rs/) for Fast Refresh
+
+## Expanding the ESLint configuration
+
+If you are developing a production application, we recommend updating the configuration to enable type aware lint rules:
+
+- Configure the top-level `parserOptions` property like this:
+
+```js
+export default tseslint.config({
+  languageOptions: {
+    // other options...
+    parserOptions: {
+      project: ['./tsconfig.node.json', './tsconfig.app.json'],
+      tsconfigRootDir: import.meta.dirname,
+    },
+  },
+})
+```
+
+- Replace `tseslint.configs.recommended` to `tseslint.configs.recommendedTypeChecked` or `tseslint.configs.strictTypeChecked`
+- Optionally add `...tseslint.configs.stylisticTypeChecked`
+- Install [eslint-plugin-react](https://github.com/jsx-eslint/eslint-plugin-react) and update the config:
+
+```js
+// eslint.config.js
+import react from 'eslint-plugin-react'
+
+export default tseslint.config({
+  // Set the react version
+  settings: { react: { version: '18.3' } },
+  plugins: {
+    // Add the react plugin
+    react,
+  },
+  rules: {
+    // other rules...
+    // Enable its recommended rules
+    ...react.configs.recommended.rules,
+    ...react.configs['jsx-runtime'].rules,
+  },
+})
+```

demo/eslint.config.js

@@ -0,0 +1,28 @@
+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 },
+      ],
+    },
+  },
+)

demo/index.html

@@ -0,0 +1,13 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <link rel="icon" type="image/svg+xml" href="/vite.svg" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>Vite + React + TS</title>
+  </head>
+  <body>
+    <div id="root"></div>
+    <script type="module" src="/src/main.tsx"></script>
+  </body>
+</html>