ai-enhanced-engineerai-enhanced-engineer/aiee-skills/skills/laravel-mix-webpack/SKILL.md

laravel-mix-webpack

Skill4 starsChanged 5 months agoMITView on GitHub

Laravel Mix (Webpack wrapper) configuration for React SPAs. Babel setup, SASS compilation, asset versioning, hot module replacement. Use for build configuration, asset pipeline issues, or migration to Vite.

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The file

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Use mix('js/app.js') helper in Blade templates for automatic path resolution.
line 48

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Files

SKILL.md

Laravel Mix Asset Compilation

Webpack wrapper for Laravel applications providing fluent API for React compilation, SASS preprocessing, and asset management. Laravel 8-10 standard (Laravel 11+ uses Vite).

When to Use

Configuring Laravel Mix for React SPAs
Setting up hot module replacement (HMR)
Asset versioning and cache busting
SASS/CSS compilation
Code splitting and vendor extraction
Troubleshooting Mix build issues
Planning migration from Mix to Vite

Quick Setup Pattern

mix.react('resources/js/app.js', 'public/js')
   .sass('resources/sass/app.scss', 'public/css')
   .extract(['react', 'react-dom'])
   .version();

Common Mix Methods

Method	Purpose	Example
`.react()`	Compile JSX with Babel	`mix.react('src/app.js', 'public/js')`
`.sass()`	Compile SASS/SCSS	`mix.sass('src/app.scss', 'public/css')`
`.version()`	Asset versioning	Auto-generates `mix-manifest.json`
`.extract()`	Vendor code splitting	`mix.extract(['react', 'react-dom'])`
`.sourceMaps()`	Enable source maps	For development only

Hot Module Replacement

npx mix watch --hot

Use mix('js/app.js') helper in Blade templates for automatic path resolution.

Production Build

NODE_ENV=production npx mix --production

Migration to Vite

Laravel 11+ uses Vite by default. Key changes: rename MIX_* → VITE_* env vars, require() → import, update Blade mix() → @vite(). Performance: 10-100x faster builds.

See examples.md for step-by-step migration guide.

Anti-Patterns

Anti-Pattern	Pattern
JSX not compiling	Use `mix.react()` (used `.js()` instead of `.react()`)
HMR not working	Use `npx mix watch --hot` + `mix('js/app.js')` helper (missing `.hot` flag or wrong script source)
Cache not busting	Add `mix.version()` (missing `.version()`)
Script load order errors	Load manifest → vendor → app (incorrect `.extract()` ordering)
Large bundle size	Add `.extract(['react', 'react-dom'])` (no vendor extraction)

See reference.md for custom Babel config, HMR configuration, environment variable handling. See examples.md for complete webpack.mix.js configs, Vite migration step-by-step.

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