Why Bun?
Bun is an all-in-one JavaScript runtime, package manager, bundler, and test runner. Its package manager is 10-100x faster than npm and compatible with Node.js ecosystem.
bash
# Speed comparison
npm install: 30s
yarn install: 25s
pnpm install: 10s
bun install: 1s # 30x faster!Installation
bash
# Install Bun
curl -fsSL https://bun.sh/install | bash
# Verify
bun --version
# Start using
bun installKey Features
Blazing Fast
bash
# Install dependencies
bun install # Completes instantly
# Global packages
bun install -g prettier
# Add packages
bun add react
bun add -D typescriptCompatibility
bash
# Reads package.json
# Compatible with npm/yarn/pnpm
# Works with existing projects
# No migration needed!
cd your-project
bun install # Just worksWorkspaces
json
// bun.lockb header
{
"workspaces": {
"packages": [
"apps/*",
"packages/*"
]
}
}Performance
Benchmarks
bash
# Installation speed (1000 packages)
npm: 30s
pnpm: 10s
bun: 1s
# Startup time
node: 100ms
bun: 5ms
# Bundling
webpack: 10s
bun build: 1sConclusion
Bun's package manager is incredibly fast, compatible with existing projects, and part of a complete toolchain. Perfect for modern JavaScript development.
Key takeaways:
- 10-100x faster than npm
- Drop-in replacement
- All-in-one toolchain
- Great for monorepos
Try Bun and experience the speed!