Imported from hk-vk/skills (registry/bun/SKILL.md). Install upstream with npx skills add hk-vk/skills --skill bun. Copyright stays with the author.

Bun

Available Resources

Docs

• Welcome to Bun: Bun is an all-in-one toolkit for developing modern JavaScript/TypeScript applications.

  • URL: https://bun.com/docs/index.md

• Installation: Install Bun with npm, Homebrew, Docker, or the official script.

  • URL: https://bun.com/docs/installation.md

• Quickstart: Build your first app with Bun

  • URL: https://bun.com/docs/quickstart.md

• TypeScript: Using TypeScript with Bun, including type definitions and compiler options

  • URL: https://bun.com/docs/typescript.md

• TypeScript 6 and 7: How to configure Bun's type definitions for TypeScript 6.0 and 7.0, which no longer auto-discover @types packages. Fix 'Cannot find name Bun' and other missing type errors after upgrading TypeScript.

  • URL: https://bun.com/docs/typescript-6.md

• bun init: Scaffold an empty Bun project with the interactive bun init command

  • URL: https://bun.com/docs/runtime/templating/init.md

• bun create: Create a new Bun project from a React component, a create-<template> npm package, a GitHub repo, or a local template

  • URL: https://bun.com/docs/runtime/templating/create.md

• Bun Runtime: Execute JavaScript/TypeScript files, package.json scripts, and executable packages with Bun's fast runtime.

  • URL: https://bun.com/docs/runtime/index.md

• Watch Mode: Automatic reloading in Bun with --watch and --hot modes

  • URL: https://bun.com/docs/runtime/watch-mode.md

• Debugging: Debug your Bun code with an interactive debugger using WebKit Inspector Protocol

  • URL: https://bun.com/docs/runtime/debugger.md

• REPL: An interactive JavaScript and TypeScript REPL with syntax highlighting, history, and tab completion

  • URL: https://bun.com/docs/runtime/repl.md

• bunfig.toml: Configure Bun's behavior using its configuration file bunfig.toml

  • URL: https://bun.com/docs/runtime/bunfig.md

• File Types: File types and loaders supported by Bun's bundler and runtime

  • URL: https://bun.com/docs/runtime/file-types.md

• Module Resolution: How Bun resolves modules and handles imports in JavaScript and TypeScript

  • URL: https://bun.com/docs/runtime/module-resolution.md

• JSX: Built-in JSX and TSX support in Bun with configurable transpilation options

  • URL: https://bun.com/docs/runtime/jsx.md

• Auto-install: Bun's automatic package installation feature for standalone script execution

  • URL: https://bun.com/docs/runtime/auto-install.md

• Plugins: Universal plugin API for extending Bun's runtime and bundler

  • URL: https://bun.com/docs/runtime/plugins.md

• File System Router: Bun provides a fast API for resolving routes against file-system paths

  • URL: https://bun.com/docs/runtime/file-system-router.md

• Server: Use Bun.serve to start a high-performance HTTP server in Bun

  • URL: https://bun.com/docs/runtime/http/server.md

• Routing: Define routes in Bun.serve using static paths, parameters, and wildcards

  • URL: https://bun.com/docs/runtime/http/routing.md

• Cookies: Work with cookies in HTTP requests and responses using Bun's built-in Cookie API.

  • URL: https://bun.com/docs/runtime/http/cookies.md

• TLS: Enable TLS in Bun.serve

  • URL: https://bun.com/docs/runtime/http/tls.md

• Error Handling: Learn how to handle errors in Bun's development server

  • URL: https://bun.com/docs/runtime/http/error-handling.md

• Metrics: Monitor server activity with built-in metrics

  • URL: https://bun.com/docs/runtime/http/metrics.md

• Fetch: Send HTTP requests with Bun's fetch API

  • URL: https://bun.com/docs/runtime/networking/fetch.md

• WebSockets: Server-side WebSockets in Bun

  • URL: https://bun.com/docs/runtime/http/websockets.md

• TCP: Use Bun's native TCP API to implement performance-sensitive systems like database clients, game servers, or anything that needs to communicate over TCP (instead of HTTP)

  • URL: https://bun.com/docs/runtime/networking/tcp.md

• UDP: Use Bun's UDP API to implement services with advanced real-time requirements, such as voice chat.

  • URL: https://bun.com/docs/runtime/networking/udp.md

• DNS: Use Bun's DNS module to resolve DNS records

  • URL: https://bun.com/docs/runtime/networking/dns.md

• Cookies: Use Bun's native APIs for working with HTTP cookies

  • URL: https://bun.com/docs/runtime/cookies.md

• File I/O: Bun provides a set of optimized APIs for reading and writing files.

  • URL: https://bun.com/docs/runtime/file-io.md

• Streams: Use Bun's streams API to work with binary data without loading it all into memory at once

  • URL: https://bun.com/docs/runtime/streams.md

• Binary Data: Working with binary data in JavaScript

  • URL: https://bun.com/docs/runtime/binary-data.md

• Archive: Create and extract tar archives with Bun's fast native implementation

  • URL: https://bun.com/docs/runtime/archive.md

• SQL: Bun provides native bindings for working with SQL databases through a unified Promise-based API that supports PostgreSQL, MySQL, and SQLite.

  • URL: https://bun.com/docs/runtime/sql.md

• SQLite: Bun natively implements a high-performance SQLite3 driver.

  • URL: https://bun.com/docs/runtime/sqlite.md

• S3: Bun provides fast, native bindings for interacting with S3-compatible object storage services.

  • URL: https://bun.com/docs/runtime/s3.md

• Redis: Use Bun's native Redis client with a Promise-based API

  • URL: https://bun.com/docs/runtime/redis.md

• Workers: Use Bun's Workers API to create and communicate with a new JavaScript instance running on a separate thread while sharing I/O resources with the main thread

  • URL: https://bun.com/docs/runtime/workers.md

• Environment Variables: Read and configure environment variables in Bun, including automatic .env file support

  • URL: https://bun.com/docs/runtime/environment-variables.md

• Shell: Use Bun's shell scripting API to run shell commands from JavaScript

  • URL: https://bun.com/docs/runtime/shell.md

• Spawn: Spawn child processes with Bun.spawn or Bun.spawnSync

  • URL: https://bun.com/docs/runtime/child-process.md

• WebView: Control a headless browser from Bun for automation, testing, and scraping — zero dependencies on macOS, Chrome DevTools Protocol everywhere else

  • URL: https://bun.com/docs/runtime/webview.md

• Cron: Schedule and parse cron jobs with Bun

  • URL: https://bun.com/docs/runtime/cron.md

• Node-API: Use Bun's Node-API module to build native add-ons to Node.js

  • URL: https://bun.com/docs/runtime/node-api.md

• FFI: Use Bun's FFI module to efficiently call native libraries from JavaScript

  • URL: https://bun.com/docs/runtime/ffi.md

• C Compiler: Compile and run C from JavaScript with low overhead

  • URL: https://bun.com/docs/runtime/c-compiler.md

• Transpiler: Use Bun's transpiler to transpile JavaScript and TypeScript code

  • URL: https://bun.com/docs/runtime/transpiler.md

• CSRF Protection: Generate and verify CSRF tokens with Bun's built-in API

  • URL: https://bun.com/docs/runtime/csrf.md

• Secrets: Use Bun's Secrets API to store and retrieve sensitive credentials securely

  • URL: https://bun.com/docs/runtime/secrets.md

• Console: The console object in Bun

  • URL: https://bun.com/docs/runtime/console.md

• TOML: Use Bun's built-in support for TOML files through both runtime APIs and bundler integration

  • URL: https://bun.com/docs/runtime/toml.md

• YAML: Use Bun's built-in support for YAML files through both runtime APIs and bundler integration

  • URL: https://bun.com/docs/runtime/yaml.md

• Markdown: Parse and render Markdown with Bun's built-in Markdown API, supporting GFM extensions and custom rendering callbacks

  • URL: https://bun.com/docs/runtime/markdown.md

• JSON5: Use Bun's built-in support for JSON5 files through both runtime APIs and bundler integration

  • URL: https://bun.com/docs/runtime/json5.md

• XML: Use Bun's built-in support for XML through both runtime APIs and bundler integration

  • URL: https://bun.com/docs/runtime/xml.md

• JSONL: Parse newline-delimited JSON (JSONL) with Bun's built-in streaming parser

  • URL: https://bun.com/docs/runtime/jsonl.md

• HTMLRewriter: Use Bun's HTMLRewriter to transform HTML documents with CSS selectors

  • URL: https://bun.com/docs/runtime/html-rewriter.md

• Image: Decode, transform, and encode images with a fast native pipeline

  • URL: https://bun.com/docs/runtime/image.md

• Hashing: Utility functions for hashing and verifying passwords with various cryptographically secure algorithms

  • URL: https://bun.com/docs/runtime/hashing.md

• Glob: Use Bun's fast native implementation of file globbing

  • URL: https://bun.com/docs/runtime/glob.md

• Semver: Use Bun's semantic versioning API

  • URL: https://bun.com/docs/runtime/semver.md

• Color: Format colors as CSS, ANSI, numbers, hex strings, and more

  • URL: https://bun.com/docs/runtime/color.md

• Utils: Use Bun's utility functions to work with the runtime

  • URL: https://bun.com/docs/runtime/utils.md

• Globals: Use Bun's global objects

  • URL: https://bun.com/docs/runtime/globals.md

• Bun APIs: Overview of Bun's native APIs available on the Bun global object and built-in modules

  • URL: https://bun.com/docs/runtime/bun-apis.md

• Web APIs: Web-standard APIs supported by Bun for server-side JavaScript

  • URL: https://bun.com/docs/runtime/web-apis.md

• Node.js Compatibility: Bun's compatibility status with Node.js APIs, modules, and globals

  • URL: https://bun.com/docs/runtime/nodejs-compat.md

• Roadmap: Bun's roadmap and long-term plans

  • URL: https://bun.com/docs/project/roadmap.md

• Benchmarking: How to benchmark Bun

  • URL: https://bun.com/docs/project/benchmarking.md

• Contributing: Contributing to Bun

  • URL: https://bun.com/docs/project/contributing.md

• Building Windows: Building Bun on Windows

  • URL: https://bun.com/docs/project/building-windows.md

• Bindgen: Bindgen for Bun

  • URL: https://bun.com/docs/project/bindgen.md

• License: License for Bun

  • URL: https://bun.com/docs/project/license.md

• bun install: Install packages with Bun's fast package manager

  • URL: https://bun.com/docs/pm/cli/install.md

• bun add: Add packages to your project with Bun's fast package manager

  • URL: https://bun.com/docs/pm/cli/add.md

• bun remove: Remove dependencies from your project

  • URL: https://bun.com/docs/pm/cli/remove.md

• bun update: Update dependencies to the newest versions their ranges allow

  • URL: https://bun.com/docs/pm/cli/update.md

• bun dedupe: Remove duplicate versions of packages from bun.lock

  • URL: https://bun.com/docs/pm/cli/dedupe.md

• bun prune: Remove packages that are not in bun.lock from node_modules

  • URL: https://bun.com/docs/pm/cli/prune.md

• bunx: Run packages from npm

  • URL: https://bun.com/docs/pm/bunx.md

• bun publish: Use bun publish to publish a package to the npm registry

  • URL: https://bun.com/docs/pm/cli/publish.md

• bun outdated: Check for outdated dependencies

  • URL: https://bun.com/docs/pm/cli/outdated.md

• bun why: Explain why a package is installed

  • URL: https://bun.com/docs/pm/cli/why.md

• bun audit: Check your installed packages for known security vulnerabilities

  • URL: https://bun.com/docs/pm/cli/audit.md

• bun info: Display package metadata from the npm registry

  • URL: https://bun.com/docs/pm/cli/info.md

• Workspaces: Develop complex monorepos with multiple independent packages

  • URL: https://bun.com/docs/pm/workspaces.md

• Catalogs: Share common dependency versions across multiple packages in a monorepo

  • URL: https://bun.com/docs/pm/catalogs.md

• bun link: Link local packages for development

  • URL: https://bun.com/docs/pm/cli/link.md

• bun pm: Package manager utilities

  • URL: https://bun.com/docs/pm/cli/pm.md

• bun patch: Persistently patch node_modules packages in a git-friendly way

  • URL: https://bun.com/docs/pm/cli/patch.md

• bun --filter: Select packages by pattern in a monorepo using the --filter flag

  • URL: https://bun.com/docs/pm/filter.md

• Global cache: How Bun stores and manages packages in its global cache

  • URL: https://bun.com/docs/pm/global-cache.md

• Global virtual store: Install packages once. Every project links to the same copy.

  • URL: https://bun.com/docs/pm/global-store.md

• Isolated installs: Strict dependency isolation similar to pnpm's approach

  • URL: https://bun.com/docs/pm/isolated-installs.md

• Lockfile: Bun's lockfile format and configuration

  • URL: https://bun.com/docs/pm/lockfile.md

• Lifecycle scripts: How Bun handles package lifecycle scripts securely

  • URL: https://bun.com/docs/pm/lifecycle.md

• Scopes and registries: Configure private registries and scoped packages

  • URL: https://bun.com/docs/pm/scopes-registries.md

• Overrides and resolutions: Control metadependency versions with npm overrides and Yarn resolutions

  • URL: https://bun.com/docs/pm/overrides.md

• Security Scanner API

  • URL: https://bun.com/docs/pm/security-scanner-api.md

• .npmrc support

  • URL: https://bun.com/docs/pm/npmrc.md

• Bundler: Bun's fast native bundler for JavaScript, TypeScript, JSX, and more

  • URL: https://bun.com/docs/bundler/index.md

• Fullstack dev server: Build fullstack applications with Bun's integrated dev server that bundles frontend assets and handles API routes

  • URL: https://bun.com/docs/bundler/fullstack.md

• Hot reloading: Hot Module Replacement (HMR) for Bun's development server

  • URL: https://bun.com/docs/bundler/hot-reloading.md

• HTML & static sites: Build static sites, landing pages, and web applications with Bun's bundler

  • URL: https://bun.com/docs/bundler/html-static.md

• Standalone HTML: Bundle a single-page app into a single self-contained .html file with no external dependencies

  • URL: https://bun.com/docs/bundler/standalone-html.md

• CSS: Bun's bundler has built-in support for CSS with modern features

  • URL: https://bun.com/docs/bundler/css.md

• Loaders: Built-in loaders for the Bun bundler and runtime

  • URL: https://bun.com/docs/bundler/loaders.md

• Single-file executable: Generate standalone executables from TypeScript or JavaScript files with Bun

  • URL: https://bun.com/docs/bundler/executables.md

• Plugins: Universal plugin API for extending Bun's runtime and bundler

  • URL: https://bun.com/docs/bundler/plugins.md

• Macros: Run JavaScript functions at bundle-time with Bun macros

  • URL: https://bun.com/docs/bundler/macros.md

• Bytecode Caching: Speed up JavaScript execution with bytecode caching in Bun's bundler

  • URL: https://bun.com/docs/bundler/bytecode.md

• Minifier: Reduce bundle sizes with Bun's JavaScript and TypeScript minifier

  • URL: https://bun.com/docs/bundler/minifier.md

• esbuild: Migration guide from esbuild to Bun's bundler

  • URL: https://bun.com/docs/bundler/esbuild.md

• Test runner: Bun's fast, built-in, Jest-compatible test runner with TypeScript support, lifecycle hooks, mocking, and watch mode

  • URL: https://bun.com/docs/test/index.md

• Writing tests: Write tests with Bun's Jest-compatible API, including async tests, timeouts, and test modifiers

  • URL: https://bun.com/docs/test/writing-tests.md

• Test configuration: Configure bun test behavior with bunfig.toml and command-line options

  • URL: https://bun.com/docs/test/configuration.md

• Runtime behavior: Learn about Bun test's runtime integration, environment variables, timeouts, and error handling

  • URL: https://bun.com/docs/test/runtime-behavior.md

• Finding tests: Learn how Bun's test runner discovers and filters test files in your project

  • URL: https://bun.com/docs/test/discovery.md

• Parallel & isolated test runs: Run test files across CPU cores with --parallel, isolate files from each other with --isolate, run tests within a file concurrently, and split suites across CI machines with --shard and --timings

  • URL: https://bun.com/docs/test/parallel.md

• Lifecycle hooks: Learn how to use beforeAll, beforeEach, afterEach, and afterAll lifecycle hooks in Bun tests

  • URL: https://bun.com/docs/test/lifecycle.md

• Mocks: Learn how to create and use mock functions, spies, and module mocks in Bun tests

  • URL: https://bun.com/docs/test/mocks.md

• Snapshots: Learn how to use snapshot testing in Bun to save and compare output between test runs

  • URL: https://bun.com/docs/test/snapshots.md

• Dates and times: Learn how to manipulate time and dates in your Bun tests using setSystemTime and Jest compatibility functions

  • URL: https://bun.com/docs/test/dates-times.md

• DOM testing: Learn how to test DOM elements and components using Bun with happy-dom and React Testing Library

  • URL: https://bun.com/docs/test/dom.md

• Code coverage: Use Bun's built-in code coverage reporting to track test coverage and find untested code

  • URL: https://bun.com/docs/test/code-coverage.md

• Test Reporters

  • URL: https://bun.com/docs/test/reporters.md

• Guides: Code samples and walkthroughs for common tasks with Bun

  • URL: https://bun.com/docs/guides/index.md

• Deploy a Bun application on Vercel

  • URL: https://bun.com/docs/guides/deployment/vercel.md

• Deploy a Bun application on Railway: Deploy a Bun application to Railway from the CLI or dashboard, with optional PostgreSQL setup and automatic SSL

  • URL: https://bun.com/docs/guides/deployment/railway.md

• Deploy a Bun application on Render

  • URL: https://bun.com/docs/guides/deployment/render.md

• Deploy a Bun application on AWS Lambda

  • URL: https://bun.com/docs/guides/deployment/aws-lambda.md

• Deploy a Bun application on DigitalOcean

  • URL: https://bun.com/docs/guides/deployment/digital-ocean.md

• Deploy a Bun application on Google Cloud Run

  • URL: https://bun.com/docs/guides/deployment/google-cloud-run.md

• Install TypeScript declarations for Bun

  • URL: https://bun.com/docs/guides/runtime/typescript.md

• Re-map import paths

  • URL: https://bun.com/docs/guides/runtime/tsconfig-paths.md

• Debugging Bun with the VS Code extension

  • URL: https://bun.com/docs/guides/runtime/vscode-debugger.md

• Debugging Bun with the web debugger

  • URL: https://bun.com/docs/guides/runtime/web-debugger.md

• Inspect memory usage using V8 heap snapshots

  • URL: https://bun.com/docs/guides/runtime/heap-snapshot.md

• Build-time constants with --define

  • URL: https://bun.com/docs/guides/runtime/build-time-constants.md

• Define and replace static globals & constants

  • URL: https://bun.com/docs/guides/runtime/define-constant.md

• Install and run Bun in GitHub Actions

  • URL: https://bun.com/docs/guides/runtime/cicd.md

• Codesign a single-file JavaScript executable on macOS: Fix the "can't be opened because it is from an unidentified developer" Gatekeeper warning when running your JavaScript executable.

  • URL: https://bun.com/docs/guides/runtime/codesign-macos-executable.md

• Upgrade Bun to the latest version

  • URL: https://bun.com/docs/guides/util/upgrade.md

• Detect when code is executed with Bun

  • URL: https://bun.com/docs/guides/util/detect-bun.md

• Get the current Bun version

  • URL: https://bun.com/docs/guides/util/version.md

• Hash a password

  • URL: https://bun.com/docs/guides/util/hash-a-password.md

• Generate a UUID

  • URL: https://bun.com/docs/guides/util/javascript-uuid.md

• Encode and decode base64 data

  • URL: https://bun.com/docs/guides/util/base64.md

• Compress and decompress data with gzip

  • URL: https://bun.com/docs/guides/util/gzip.md

• Compress and decompress data with DEFLATE

  • URL: https://bun.com/docs/guides/util/deflate.md

• Escape an HTML string

  • URL: https://bun.com/docs/guides/util/escape-html.md

• Check if two objects are deeply equal

  • URL: https://bun.com/docs/guides/util/deep-equals.md

• Sleep for a fixed number of milliseconds

  • URL: https://bun.com/docs/guides/util/sleep.md

• Convert a file URL to an absolute path

  • URL: https://bun.com/docs/guides/util/file-url-to-path.md

• Convert an absolute path to a file URL

  • URL: https://bun.com/docs/guides/util/path-to-file-url.md

• Get the path to an executable bin file

  • URL: https://bun.com/docs/guides/util/which-path-to-executable-bin.md

• Get the directory of the current file

  • URL: https://bun.com/docs/guides/util/import-meta-dir.md

• Get the file name of the current file

  • URL: https://bun.com/docs/guides/util/import-meta-file.md

• Get the absolute path of the current file

  • URL: https://bun.com/docs/guides/util/import-meta-path.md

• Check if the current file is the entrypoint

  • URL: https://bun.com/docs/guides/util/entrypoint.md

• Get the absolute path to the current entrypoint

  • URL: https://bun.com/docs/guides/util/main.md

• Build an app with Astro and Bun

  • URL: https://bun.com/docs/guides/ecosystem/astro.md

• Create a Discord bot

  • URL: https://bun.com/docs/guides/ecosystem/discordjs.md

• Containerize a Bun application with Docker

  • URL: https://bun.com/docs/guides/ecosystem/docker.md

• Use Drizzle ORM with Bun

  • URL: https://bun.com/docs/guides/ecosystem/drizzle.md

• Use Gel with Bun

  • URL: https://bun.com/docs/guides/ecosystem/gel.md

• Build an HTTP server using Elysia and Bun

  • URL: https://bun.com/docs/guides/ecosystem/elysia.md

• Build an HTTP server using Express and Bun

  • URL: https://bun.com/docs/guides/ecosystem/express.md

• Build an HTTP server using Hono and Bun

  • URL: https://bun.com/docs/guides/ecosystem/hono.md

• Read and write data to MongoDB using Mongoose and Bun

  • URL: https://bun.com/docs/guides/ecosystem/mongoose.md

• Use Neon Postgres through Drizzle ORM

  • URL: https://bun.com/docs/guides/ecosystem/neon-drizzle.md

• Use Neon's Serverless Postgres with Bun

  • URL: https://bun.com/docs/guides/ecosystem/neon-serverless-postgres.md

• Build an app with Next.js and Bun

  • URL: https://bun.com/docs/guides/ecosystem/nextjs.md

• Build an app with Nuxt and Bun

  • URL: https://bun.com/docs/guides/ecosystem/nuxt.md

• Run Bun as a daemon with PM2

  • URL: https://bun.com/docs/guides/ecosystem/pm2.md

• Use Prisma with Bun

  • URL: https://bun.com/docs/guides/ecosystem/prisma.md

• Use Prisma Postgres with Bun

  • URL: https://bun.com/docs/guides/ecosystem/prisma-postgres.md

• Build an app with Qwik and Bun

  • URL: https://bun.com/docs/guides/ecosystem/qwik.md

• Build a React app with Bun

  • URL: https://bun.com/docs/guides/ecosystem/react.md

• Build an app with Remix and Bun

  • URL: https://bun.com/docs/guides/ecosystem/remix.md

• Use TanStack Start with Bun

  • URL: https://bun.com/docs/guides/ecosystem/tanstack-start.md

• Add Sentry to a Bun app

  • URL: https://bun.com/docs/guides/ecosystem/sentry.md

• Build an app with SolidStart and Bun

  • URL: https://bun.com/docs/guides/ecosystem/solidstart.md

• Server-side render (SSR) a React component

  • URL: https://bun.com/docs/guides/ecosystem/ssr-react.md

• Build an app with SvelteKit and Bun

  • URL: https://bun.com/docs/guides/ecosystem/sveltekit.md

• Run Bun as a daemon with systemd

  • URL: https://bun.com/docs/guides/ecosystem/systemd.md

• Build a frontend using Vite and Bun

  • URL: https://bun.com/docs/guides/ecosystem/vite.md

• Bun Redis with Upstash

  • URL: https://bun.com/docs/guides/ecosystem/upstash.md

• Common HTTP server usage

  • URL: https://bun.com/docs/guides/http/server.md

• Write a simple HTTP server

  • URL: https://bun.com/docs/guides/http/simple.md

• Send an HTTP request using fetch

  • URL: https://bun.com/docs/guides/http/fetch.md

• Hot reload an HTTP server

  • URL: https://bun.com/docs/guides/http/hot.md

• Start a cluster of HTTP servers: Run multiple HTTP servers concurrently with the "reusePort" option to share the same port across multiple processes

  • URL: https://bun.com/docs/guides/http/cluster.md

• Configure TLS on an HTTP server

  • URL: https://bun.com/docs/guides/http/tls.md

• Proxy HTTP requests using fetch()

  • URL: https://bun.com/docs/guides/http/proxy.md

• Stream a file as an HTTP Response

  • URL: https://bun.com/docs/guides/http/stream-file.md

• Upload files via HTTP using FormData

  • URL: https://bun.com/docs/guides/http/file-uploads.md

• fetch with unix domain sockets in Bun

  • URL: https://bun.com/docs/guides/http/fetch-unix.md

• Streaming HTTP Server with Async Iterators

  • URL: https://bun.com/docs/guides/http/stream-iterator.md

• Server-Sent Events (SSE) with Bun

  • URL: https://bun.com/docs/guides/http/sse.md

• Streaming HTTP Server with Node.js Streams

  • URL: https://bun.com/docs/guides/http/stream-node-streams-in-bun.md

• Build a simple WebSocket server

  • URL: https://bun.com/docs/guides/websocket/simple.md

• Build a publish-subscribe WebSocket server

  • URL: https://bun.com/docs/guides/websocket/pubsub.md

• Set per-socket contextual data on a WebSocket

  • URL: https://bun.com/docs/guides/websocket/context.md

• Enable compression for WebSocket messages

  • URL: https://bun.com/docs/guides/websocket/compression.md

• Spawn a child process

  • URL: https://bun.com/docs/guides/process/spawn.md

• Read stdout from a child process

  • URL: https://bun.com/docs/guides/process/spawn-stdout.md

• Read stderr from a child process

  • URL: https://bun.com/docs/guides/process/spawn-stderr.md

• Parse command-line arguments

  • URL: https://bun.com/docs/guides/process/argv.md

• Read from stdin

  • URL: https://bun.com/docs/guides/process/stdin.md

• Spawn a child process and communicate using IPC

  • URL: https://bun.com/docs/guides/process/ipc.md

• Listen for CTRL+C

  • URL: https://bun.com/docs/guides/process/ctrl-c.md

• Listen to OS signals

  • URL: https://bun.com/docs/guides/process/os-signals.md

• Get the process uptime in nanoseconds

  • URL: https://bun.com/docs/guides/process/nanoseconds.md

• Run a Shell Command

  • URL: https://bun.com/docs/guides/runtime/shell.md

• Set a time zone in Bun

  • URL: https://bun.com/docs/guides/runtime/timezone.md

• Set environment variables

  • URL: https://bun.com/docs/guides/runtime/set-env.md

• Read environment variables

  • URL: https://bun.com/docs/guides/runtime/read-env.md

• Add a dependency

  • URL: https://bun.com/docs/guides/install/add.md

• Add a development dependency

  • URL: https://bun.com/docs/guides/install/add-dev.md

• Add an optional dependency

  • URL: https://bun.com/docs/guides/install/add-optional.md

• Add a peer dependency

  • URL: https://bun.com/docs/guides/install/add-peer.md

• Add a Git dependency

  • URL: https://bun.com/docs/guides/install/add-git.md

• Add a tarball dependency

  • URL: https://bun.com/docs/guides/install/add-tarball.md

• Install a package under a different name

  • URL: https://bun.com/docs/guides/install/npm-alias.md

• Configuring a monorepo using workspaces

  • URL: https://bun.com/docs/guides/install/workspaces.md

• Override the default npm registry for bun install

  • URL: https://bun.com/docs/guides/install/custom-registry.md

• Configure a private registry for an organization scope with bun install

  • URL: https://bun.com/docs/guides/install/registry-scope.md

• Using bun install with an Azure Artifacts npm registry

  • URL: https://bun.com/docs/guides/install/azure-artifacts.md

• Using bun install with Artifactory

  • URL: https://bun.com/docs/guides/install/jfrog-artifactory.md

• Add a trusted dependency

  • URL: https://bun.com/docs/guides/install/trusted.md

• Generate a yarn-compatible lockfile

  • URL: https://bun.com/docs/guides/install/yarnlock.md

• Migrate from npm install to bun install

  • URL: https://bun.com/docs/guides/install/from-npm-install-to-bun-install.md

• Configure git to diff Bun's lockb lockfile

  • URL: https://bun.com/docs/guides/install/git-diff-bun-lockfile.md

• Install dependencies with Bun in GitHub Actions

  • URL: https://bun.com/docs/guides/install/cicd.md

• Run your tests with the Bun test runner

  • URL: https://bun.com/docs/guides/test/run-tests.md

• Run tests in watch mode with Bun

  • URL: https://bun.com/docs/guides/test/watch-mode.md

• Migrate from Jest to Bun's test runner

  • URL: https://bun.com/docs/guides/test/migrate-from-jest.md

• Mock functions in bun test

  • URL: https://bun.com/docs/guides/test/mock-functions.md

• Spy on methods in bun test

  • URL: https://bun.com/docs/guides/test/spy-on.md

• Set the system time in Bun's test runner

  • URL: https://bun.com/docs/guides/test/mock-clock.md

• Use snapshot testing in bun test

  • URL: https://bun.com/docs/guides/test/snapshot.md

• Update snapshots in bun test

  • URL: https://bun.com/docs/guides/test/update-snapshots.md

• Generate code coverage reports with the Bun test runner

  • URL: https://bun.com/docs/guides/test/coverage.md

• Set a code coverage threshold with the Bun test runner

  • URL: https://bun.com/docs/guides/test/coverage-threshold.md

• Selectively run tests concurrently with glob patterns: Set a glob pattern to decide which tests from which files run in parallel

  • URL: https://bun.com/docs/guides/test/concurrent-test-glob.md

• Skip tests with the Bun test runner

  • URL: https://bun.com/docs/guides/test/skip-tests.md

• Mark a test as a "todo" with the Bun test runner

  • URL: https://bun.com/docs/guides/test/todo-tests.md

• Set a per-test timeout with the Bun test runner

  • URL: https://bun.com/docs/guides/test/timeout.md

• Bail early with the Bun test runner

  • URL: https://bun.com/docs/guides/test/bail.md

• Re-run tests multiple times with the Bun test runner

  • URL: https://bun.com/docs/guides/test/rerun-each.md

• Using Testing Library with Bun

  • URL: https://bun.com/docs/guides/test/testing-library.md

• Write browser DOM tests with Bun and happy-dom

  • URL: https://bun.com/docs/guides/test/happy-dom.md

• import, require, and test Svelte components with bun test

  • URL: https://bun.com/docs/guides/test/svelte-test.md

• Import a JSON file

  • URL: https://bun.com/docs/guides/runtime/import-json.md

• Import a TOML file

  • URL: https://bun.com/docs/guides/runtime/import-toml.md

• Import a YAML file

  • URL: https://bun.com/docs/guides/runtime/import-yaml.md

• Import a JSON5 file

  • URL: https://bun.com/docs/guides/runtime/import-json5.md

• Import an XML file

  • URL: https://bun.com/docs/guides/runtime/import-xml.md

• Import a HTML file as text

  • URL: https://bun.com/docs/guides/runtime/import-html.md

• Read a file as a string

  • URL: https://bun.com/docs/guides/read-file/string.md

• Read a file to a Buffer

  • URL: https://bun.com/docs/guides/read-file/buffer.md

• Read a file to a Uint8Array

  • URL: https://bun.com/docs/guides/read-file/uint8array.md

• Read a file to an ArrayBuffer

  • URL: https://bun.com/docs/guides/read-file/arraybuffer.md

• Read a JSON file

  • URL: https://bun.com/docs/guides/read-file/json.md

• Get the MIME type of a file

  • URL: https://bun.com/docs/guides/read-file/mime.md

• Check if a file exists

  • URL: https://bun.com/docs/guides/read-file/exists.md

• Watch a directory for changes

  • URL: https://bun.com/docs/guides/read-file/watch.md

• Read a file as a ReadableStream

  • URL: https://bun.com/docs/guides/read-file/stream.md

• Write a string to a file

  • URL: https://bun.com/docs/guides/write-file/basic.md

• Write a Blob to a file

  • URL: https://bun.com/docs/guides/write-file/blob.md

• Write a Response to a file

  • URL: https://bun.com/docs/guides/write-file/response.md

• Append content to a file

  • URL: https://bun.com/docs/guides/write-file/append.md

• Write a file incrementally

  • URL: https://bun.com/docs/guides/write-file/filesink.md

• Write a ReadableStream to a file

  • URL: https://bun.com/docs/guides/write-file/stream.md

• Write to stdout

  • URL: https://bun.com/docs/guides/write-file/stdout.md

• Write a file to stdout

  • URL: https://bun.com/docs/guides/write-file/cat.md

• Copy a file to another location

  • URL: https://bun.com/docs/guides/write-file/file-cp.md

• Delete a file

  • URL: https://bun.com/docs/guides/write-file/unlink.md

• Delete files

  • URL: https://bun.com/docs/guides/runtime/delete-file.md

• Delete directories

  • URL: https://bun.com/docs/guides/runtime/delete-directory.md

• Extract links from a webpage using HTMLRewriter

  • URL: https://bun.com/docs/guides/html-rewriter/extract-links.md

• Extract social share images and Open Graph tags

  • URL: https://bun.com/docs/guides/html-rewriter/extract-social-meta.md

• Convert an ArrayBuffer to a string

  • URL: https://bun.com/docs/guides/binary/arraybuffer-to-string.md

• Convert an ArrayBuffer to a Buffer

  • URL: https://bun.com/docs/guides/binary/arraybuffer-to-buffer.md

• Convert an ArrayBuffer to a Blob

  • URL: https://bun.com/docs/guides/binary/arraybuffer-to-blob.md

• Convert an ArrayBuffer to an array of numbers

  • URL: https://bun.com/docs/guides/binary/arraybuffer-to-array.md

• Convert an ArrayBuffer to a Uint8Array

  • URL: https://bun.com/docs/guides/binary/arraybuffer-to-typedarray.md

• Convert a Buffer to a string

  • URL: https://bun.com/docs/guides/binary/buffer-to-string.md

• Convert a Buffer to an ArrayBuffer

  • URL: https://bun.com/docs/guides/binary/buffer-to-arraybuffer.md

• Convert a Buffer to a blob

  • URL: https://bun.com/docs/guides/binary/buffer-to-blob.md

• Convert a Buffer to a Uint8Array

  • URL: https://bun.com/docs/guides/binary/buffer-to-typedarray.md

• Convert a Buffer to a ReadableStream

  • URL: https://bun.com/docs/guides/binary/buffer-to-readablestream.md

• Convert a Blob to a string

  • URL: https://bun.com/docs/guides/binary/blob-to-string.md

• Convert a Blob to an ArrayBuffer

  • URL: https://bun.com/docs/guides/binary/blob-to-arraybuffer.md

• Convert a Blob to a Uint8Array

  • URL: https://bun.com/docs/guides/binary/blob-to-typedarray.md

• Convert a Blob to a DataView

  • URL: https://bun.com/docs/guides/binary/blob-to-dataview.md

• Convert a Blob to a ReadableStream

  • URL: https://bun.com/docs/guides/binary/blob-to-stream.md

• Convert a Uint8Array to a string

  • URL: https://bun.com/docs/guides/binary/typedarray-to-string.md

• Convert a Uint8Array to an ArrayBuffer

  • URL: https://bun.com/docs/guides/binary/typedarray-to-arraybuffer.md

• Convert a Uint8Array to a Buffer

  • URL: https://bun.com/docs/guides/binary/typedarray-to-buffer.md

• Convert a Uint8Array to a Blob

  • URL: https://bun.com/docs/guides/binary/typedarray-to-blob.md

• Convert a Uint8Array to a DataView

  • URL: https://bun.com/docs/guides/binary/typedarray-to-dataview.md

• Convert a Uint8Array to a ReadableStream

  • URL: https://bun.com/docs/guides/binary/typedarray-to-readablestream.md

• Convert a DataView to a string

  • URL: https://bun.com/docs/guides/binary/dataview-to-string.md

• Convert a ReadableStream to a string

  • URL: https://bun.com/docs/guides/streams/to-string.md

• Convert a ReadableStream to JSON

  • URL: https://bun.com/docs/guides/streams/to-json.md

• Convert a ReadableStream to a Blob

  • URL: https://bun.com/docs/guides/streams/to-blob.md

• Convert a ReadableStream to a Buffer

  • URL: https://bun.com/docs/guides/streams/to-buffer.md

• Convert a ReadableStream to an ArrayBuffer

  • URL: https://bun.com/docs/guides/streams/to-arraybuffer.md

• Convert a ReadableStream to a Uint8Array

  • URL: https://bun.com/docs/guides/streams/to-typedarray.md

• Convert a ReadableStream to an array of chunks

  • URL: https://bun.com/docs/guides/streams/to-array.md

• Convert a Node.js Readable to a string

  • URL: https://bun.com/docs/guides/streams/node-readable-to-string.md

• Convert a Node.js Readable to JSON

  • URL: https://bun.com/docs/guides/streams/node-readable-to-json.md

• Convert a Node.js Readable to a Blob

  • URL: https://bun.com/docs/guides/streams/node-readable-to-blob.md

• Convert a Node.js Readable to an Uint8Array

  • URL: https://bun.com/docs/guides/streams/node-readable-to-uint8array.md

• Convert a Node.js Readable to an ArrayBuffer

  • URL: https://bun.com/docs/guides/streams/node-readable-to-arraybuffer.md

• Feedback: Share feedback, bug reports, and feature requests

  • URL: https://bun.com/docs/feedback.md

Additional Resources (Optional)

Optional

• Reference

  • URL: https://bun.com/reference

• Blog

  • URL: https://bun.com/blog

How to Use This Skill

Reference these resources when working with Bun.