Option Minification

minify?: boolean | 'dce-only' | MinifyOptions

# Enable minification
tsdown --minify

# Disable minification
tsdown --no-minify

export default defineConfig({
  entry: ['src/index.ts'],
  minify: true,
})

export default defineConfig({
  entry: ['src/index.ts'],
  minify: 'dce-only',
})

// dist/index.mjs
const x = 1

function hello(x$1) {
  console.log('Hello World')
  console.log(x$1)
}

hello(x)

// dist/index.mjs
const e=1;function t(e){console.log(`Hello World`),console.log(e)}t(e);

export default defineConfig({
  entry: ['src/index.ts'],
  format: ['esm', 'cjs'],
  minify: true,
  clean: true,
})

export default defineConfig((options) => ({
  entry: ['src/index.ts'],
  format: ['esm'],
  minify: !options.watch,  // Only minify in production
}))

export default defineConfig({
  entry: ['src/index.ts'],
  format: ['iife'],
  platform: 'browser',
  globalName: 'MyLib',
  minify: true,
})

export default defineConfig([
  // Development build
  {
    entry: ['src/index.ts'],
    format: ['esm'],
    minify: false,
    outDir: 'dist/dev',
  },
  // Production build
  {
    entry: ['src/index.ts'],
    format: ['esm'],
    minify: true,
    outDir: 'dist/prod',
  },
])

# Production build with minification
tsdown --minify --clean

# Multiple formats with minification
tsdown --format esm --format cjs --minify

# Conditional minification (only when not watching)
tsdown --minify  # Or omit --watch