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Intro

What is Bun?

Installation

Quickstart

TypeScript

Templating

bun init

bun create

Runtime

bun run

File types

TypeScript

JSX

Environment variables

Bun APIs

Web APIs

Node.js compatibility

Single-file executable

Plugins

Watch mode

Module resolution

Auto-install

bunfig.toml

Debugger

Framework APISOON

Package manager

bun install

bun add

bun remove

bun update

bun publish

bun outdated

bun link

bun pm

Global cache

Workspaces

Lifecycle scripts

Filter

Lockfile

Scopes and registries

Overrides and resolutions

Patch dependencies

.npmrc support

Bundler

Bun.build

Loaders

Plugins

Macros

vs esbuild

Test runner

bun test

Writing tests

Watch mode

Lifecycle hooks

Mocks

Snapshots

Dates and times

DOM testing

Code coverage

Package runner

bunx

API

HTTP server

HTTP client

WebSockets

Workers

Binary data

Streams

File I/O

import.meta

SQLite

FileSystemRouter

TCP sockets

UDP sockets

Globals

$ Shell

Child processes

Transpiler

Hashing

Console

FFI

C Compiler

HTMLRewriter

Testing

Utils

Node-API

Glob

DNS

Semver

Color

Project

Roadmap

Benchmarking

Contributing

Building Windows

License

Bun

Globals

Bun implements the following globals.

GlobalSourceNotes
AbortControllerWeb 
AbortSignalWeb 
alertWebIntended for command-line tools
BlobWeb 
BufferNode.jsSee Node.js > Buffer
BunBunSubject to change as additional APIs are added
ByteLengthQueuingStrategyWeb 
confirmWebIntended for command-line tools
__dirnameNode.js 
__filenameNode.js 
atob()Web 
btoa()Web 
BuildMessageBun 
clearImmediate()Web 
clearInterval()Web 
clearTimeout()Web 
consoleWeb 
CountQueuingStrategyWeb 
CryptoWeb 
cryptoWeb 
CryptoKeyWeb 
CustomEventWeb 
EventWebAlso ErrorEvent CloseEvent MessageEvent.
EventTargetWeb 
exportsNode.js 
fetchWeb 
FormDataWeb 
globalNode.jsSee Node.js > global.
globalThisCross-platformAliases to global
HeadersWeb 
HTMLRewriterCloudflare 
JSONWeb 
MessageEventWeb 
moduleNode.js 
performanceWeb 
processNode.jsSee Node.js > process
promptWebIntended for command-line tools
queueMicrotask()Web 
ReadableByteStreamControllerWeb 
ReadableStreamWeb 
ReadableStreamDefaultControllerWeb 
ReadableStreamDefaultReaderWeb 
reportErrorWeb 
require()Node.js 
ResolveMessageBun 
ResponseWeb 
RequestWeb 
setImmediate()Web 
setInterval()Web 
setTimeout()Web 
ShadowRealmWebStage 3 proposal
SubtleCryptoWeb 
DOMExceptionWeb 
TextDecoderWeb 
TextEncoderWeb 
TransformStreamWeb 
TransformStreamDefaultControllerWeb 
URLWeb 
URLSearchParamsWeb 
WebAssemblyWeb 
WritableStreamWeb 
WritableStreamDefaultControllerWeb 
WritableStreamDefaultWriterWeb 

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UDP sockets

Next

$ Shell

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