Agent skill

bundle-size-analyzer

Analyze and optimize application bundle size for desktop applications

Stars 163
Forks 31

Install this agent skill to your Project

npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/other/other/bundle-size-analyzer

SKILL.md

bundle-size-analyzer

Analyze and optimize application bundle size to improve download times and memory usage.

Capabilities

  • Analyze bundle composition
  • Identify large dependencies
  • Detect duplicate packages
  • Suggest tree-shaking opportunities
  • Generate size reports
  • Track size over time

Input Schema

json
{
  "type": "object",
  "properties": {
    "projectPath": { "type": "string" },
    "bundler": { "enum": ["webpack", "vite", "rollup", "esbuild"] },
    "generateReport": { "type": "boolean", "default": true }
  },
  "required": ["projectPath"]
}

Webpack Bundle Analyzer

javascript
// webpack.config.js
const BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin;

module.exports = {
  plugins: [
    new BundleAnalyzerPlugin({
      analyzerMode: 'static',
      reportFilename: 'bundle-report.html'
    })
  ]
};

Optimization Techniques

  1. Tree shaking
  2. Code splitting
  3. Dynamic imports
  4. Replace heavy dependencies
  5. Compress assets

Size Targets

App Type Target Acceptable Too Large
Simple utility < 30MB < 60MB > 100MB
Standard app < 80MB < 150MB > 250MB
Complex app < 150MB < 250MB > 400MB

Related Skills

  • startup-time-profiler
  • electron-builder-config

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