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@shellicar/build-clean

v1.3.4

Published

Build plugin that automatically cleans unused files from output directories.

Readme

@shellicar/build-clean

npm package build status

Build plugin that automatically cleans unused files from output directories.

  • 🧹 Cleans after build - Removes unused files without deleting the entire output directory
  • 🛡️ Safe by default - Dry-run mode, requires explicit destructive flag
  • 🔧 Watch mode friendly - No period with empty output directory

Installation & Quick Start

npm i --save-dev @shellicar/build-clean
pnpm add -D @shellicar/build-clean

esbuild

import cleanPlugin from '@shellicar/build-clean/esbuild'
import { build } from 'esbuild'

await build({
  entryPoints: ['src/main.ts'],
  outdir: 'dist',
  plugins: [
    cleanPlugin({
      // Required to actually delete files
      destructive: true
    })
  ]
})

tsup

// tsup.config.ts
import cleanPlugin from '@shellicar/build-clean/esbuild'
import { defineConfig } from 'tsup'

export default defineConfig({
  entry: ['src/index.ts'],
  // Important: disable tsup's clean
  clean: false,
  esbuildPlugins: [
    cleanPlugin({
      destructive: true,
      verbose: true
    })
  ]
})

@shellicar TypeScript Ecosystem

Core Libraries

Reference Architectures

Build Tools

Framework

Logging & Monitoring

Motivation

Existing solutions like tsup's clean: true delete the entire output directory, which causes issues:

  • Watch mode problems - Other projects depending on these files can break when the directory is temporarily empty
  • Debugger performance - Extra JavaScript files slow down Node.js debuggers when mapping to TypeScript sources, sometimes causing crashes

This plugin cleans after the build completes, removing only unused files while keeping the directory intact.

Options

interface Options {
  /** Show detailed debug information */
  debug?: boolean
  
  /** Show verbose file-by-file processing */
  verbose?: boolean
  
  /** Actually delete files (default: false for safety) */
  destructive?: boolean
}

Other Build Tools

The plugin supports other tools via unplugin:

// vite.config.ts
import cleanPlugin from '@shellicar/build-clean/vite'

export default defineConfig({
  plugins: [cleanPlugin({ destructive: true })]
})

Credits & Inspiration