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Bun implements the following globals.

Global

Source

Notes

AbortController

Web

AbortSignal

Web

alert

Web

Intended for command-line tools

Blob

Web

Buffer

Node.js

See Node.js > Buffer

Bun

Bun

Subject to change as additional APIs are added

ByteLengthQueuingStrategy

Web

confirm

Web

Intended for command-line tools

__dirname

Node.js

__filename

Node.js

atob()

Web

btoa()

Web

BuildMessage

Bun

clearImmediate()

Web

clearInterval()

Web

clearTimeout()

Web

console

Web

CountQueuingStrategy

Web

Crypto

Web

crypto

Web

CryptoKey

Web

CustomEvent

Web

Event

Web

Also ErrorEvent CloseEvent MessageEvent.

EventTarget

Web

exports

Node.js

fetch

Web

FormData

Web

global

Node.js

See Node.js > global.

globalThis

Cross-platform

Aliases to global

Headers

Web

HTMLRewriter

Cloudflare

JSON

Web

MessageEvent

Web

module

Node.js

performance

Web

process

Node.js

See Node.js > process

prompt

Web

Intended for command-line tools

queueMicrotask()

Web

ReadableByteStreamController

Web

ReadableStream

Web

ReadableStreamDefaultController

Web

ReadableStreamDefaultReader

Web

reportError

Web

require()

Node.js

ResolveMessage

Bun

Response

Web

Request

Web

setImmediate()

Web

setInterval()

Web

setTimeout()

Web

ShadowRealm

Web

Stage 3 proposal

SubtleCrypto

Web

DOMException

Web

TextDecoder

Web

TextEncoder

Web

TransformStream

Web

TransformStreamDefaultController

Web

URL

Web

URLSearchParams

Web

WebAssembly

Web

WritableStream

Web

WritableStreamDefaultController

Web

WritableStreamDefaultWriter

Web

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