run-in-parallel

Run multiple commands in parallel with clean output.

Installation

# Local installation (recommended)
npm install --save-dev run-in-parallel
# or
pnpm add -D run-in-parallel

# Global installation (optional)
npm install -g run-in-parallel

Usage

# With npm/pnpm (local installation)
npx run-in-parallel 'command1' 'command2' 'command3'
pnpm exec run-in-parallel 'command1' 'command2' 'command3'

# Global installation
run-in-parallel 'command1' 'command2' 'command3'

Examples

# Basic usage
npx run-in-parallel 'echo "First"' 'echo "Second"' 'sleep 2 && echo "Third"'

# Development workflow
npx run-in-parallel 'npm run watch-js' 'npm run watch-css' 'npm run dev-server'

# Don't kill others on failure
npx run-in-parallel --no-kill-others 'npm test' 'npm run lint'

# With timestamps
npx run-in-parallel --timestamps 'echo "First"' 'echo "Second"'

# With pnpm (same functionality)
pnpm exec run-in-parallel 'npm run build-js' 'npm run build-css'

In package.json

{
  "scripts": {
    "start": "run-in-parallel 'node server.js' 'tailwindcss --watch'",
    "dev": "run-in-parallel 'vite dev' 'tsc --watch --noEmit'"
  },
}

Run with npm run dev or pnpm dev.

Options

| Option | Alias | Default | Description | |--------|-------|---------|-------------| | --kill-others | -k | true | Kill other processes when one fails | | --prefix-colors | -c | ["red", "green", "blue", "yellow", "magenta", "cyan"] | Colors for command prefixes | | --timestamps | -t | false | Add timestamps to output | | --help | | | Show help |