webpack
Provides comprehensive guidance for Webpack bundler including configuration, loaders, plugins, code splitting, optimization, and development setup. Use when the user asks about Webpack, needs to configure build pipelines, optimize bundles, or work with Webpack plugins and loaders.
Best use case
webpack is best used when you need a repeatable AI agent workflow instead of a one-off prompt. It is especially useful for teams working in multi. Provides comprehensive guidance for Webpack bundler including configuration, loaders, plugins, code splitting, optimization, and development setup. Use when the user asks about Webpack, needs to configure build pipelines, optimize bundles, or work with Webpack plugins and loaders.
Provides comprehensive guidance for Webpack bundler including configuration, loaders, plugins, code splitting, optimization, and development setup. Use when the user asks about Webpack, needs to configure build pipelines, optimize bundles, or work with Webpack plugins and loaders.
Users should expect a more consistent workflow output, faster repeated execution, and less time spent rewriting prompts from scratch.
Practical example
Example input
Use the "webpack" skill to help with this workflow task. Context: Provides comprehensive guidance for Webpack bundler including configuration, loaders, plugins, code splitting, optimization, and development setup. Use when the user asks about Webpack, needs to configure build pipelines, optimize bundles, or work with Webpack plugins and loaders.
Example output
A structured workflow result with clearer steps, more consistent formatting, and an output that is easier to reuse in the next run.
When to use this skill
- Use this skill when you want a reusable workflow rather than writing the same prompt again and again.
When not to use this skill
- Do not use this when you only need a one-off answer and do not need a reusable workflow.
- Do not use it if you cannot install or maintain the related files, repository context, or supporting tools.
Installation
Claude Code / Cursor / Codex
Manual Installation
- Download SKILL.md from GitHub
- Place it in
.claude/skills/webpack/SKILL.mdinside your project - Restart your AI agent — it will auto-discover the skill
How webpack Compares
| Feature / Agent | webpack | Standard Approach |
|---|---|---|
| Platform Support | Not specified | Limited / Varies |
| Context Awareness | High | Baseline |
| Installation Complexity | Unknown | N/A |
Frequently Asked Questions
What does this skill do?
Provides comprehensive guidance for Webpack bundler including configuration, loaders, plugins, code splitting, optimization, and development setup. Use when the user asks about Webpack, needs to configure build pipelines, optimize bundles, or work with Webpack plugins and loaders.
Where can I find the source code?
You can find the source code on GitHub using the link provided at the top of the page.
SKILL.md Source
## When to use this skill
Use this skill whenever the user wants to:
- Bundle JavaScript, CSS, and assets with Webpack loaders and plugins
- Configure multi-entry points, code splitting, caching, and optimization
- Set up HMR with webpack-dev-server for development
- Optimize production builds with tree shaking and minification
## How to use this skill
### Workflow
1. **Configure** — define entry, output, loaders, and plugins in `webpack.config.js`
2. **Develop** — run dev server with HMR for fast iteration
3. **Build** — run production build with optimizations
4. **Analyze** — inspect bundle size with webpack-bundle-analyzer
### Quick Start Example
```javascript
// webpack.config.js
const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
module.exports = (env, argv) => {
const isProd = argv.mode === 'production';
return {
entry: './src/index.js',
output: {
path: path.resolve(__dirname, 'dist'),
filename: isProd ? '[name].[contenthash].js' : '[name].js',
clean: true,
},
module: {
rules: [
{
test: /\.jsx?$/,
exclude: /node_modules/,
use: 'babel-loader',
},
{
test: /\.css$/,
use: [
isProd ? MiniCssExtractPlugin.loader : 'style-loader',
'css-loader',
],
},
{
test: /\.(png|svg|jpg|gif)$/,
type: 'asset/resource',
},
],
},
plugins: [
new HtmlWebpackPlugin({
template: './src/index.html',
}),
...(isProd ? [new MiniCssExtractPlugin({
filename: '[name].[contenthash].css',
})] : []),
],
optimization: {
splitChunks: {
chunks: 'all', // Extract vendor code into separate chunk
},
},
devServer: {
hot: true,
port: 3000,
},
devtool: isProd ? 'source-map' : 'eval-source-map',
};
};
```
```bash
# Development with HMR
npx webpack serve --mode development
# Production build
npx webpack --mode production
# Analyze bundle
npx webpack --mode production --analyze
```
### Code Splitting Example
```javascript
// Lazy load a route/component
const loadDashboard = () => import(
/* webpackChunkName: "dashboard" */
'./pages/Dashboard'
);
```
## Best Practices
- Order loaders correctly (right-to-left execution); use `exclude: /node_modules/` for Babel
- Enable `splitChunks` for vendor code extraction and tree shaking in production mode
- Use content hashing (`[contenthash]`) for long-term caching
- For new projects, consider Vite or Rspack for faster build times
- Use `webpack-bundle-analyzer` to identify oversized chunks
## Reference
- Official documentation: https://webpack.js.org/
## Keywords
webpack, bundler, loader, plugin, code splitting, HMR, tree-shaking, optimization, build toolRelated Skills
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