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void multiply(const FunctionCallbackInfo<Value>& info) { Isolate* isolate = info.GetIsolate(); if (info.Length() != 2) { return; } Local<Value> arg1 = info[0]; Local<Value> arg2 = info[1]; if (!arg1->IsNumber() || !arg2->IsNumber()) { return; } double number1 = arg1.As<Number>()->Value(); double number2 = arg2.As<Number>()->Value(); Local<Number> returnValue = Number::New(isolate, number1 * number

From compression to cryptography to networking to the web browser you're reading this on, the world runs on C. If it's not written in C, it speaks the C ABI (C++, Rust, Zig, etc) and is available as a C library. C and the C ABI are the past, present, and future of systems programming. That's why in Bun v1.1.28, we introduced experimental support for compiling and running native C from JavaScript

Bun v1.1.27 is here! This release fixes 130 bugs (addressing 250 👍). bun pm pack, faster node:zlib. Static routes in Bun.serve(). ReadableStream support in response.clone() & request.clone(). Per-request timeouts. Cancel method in ReadableStream is called. bun run handles CTRL + C better. Faster buffered streams. bun outdated package filtering. Watch arbtirary file types in --hot and --watch. Fix

Bun v1.1.22 is here! This release fixes 79 bugs (addressing 93 👍). Express is now 3x faster in Bun, ES modules load faster on Windows, 10% faster Bun.serve() at POST requests, source maps in bun build --compile. Memory usage reductions to --hot, Bun.serve(), and imports. Uint8Array.toBase64(), Uint8Array.toHex(), and lots of Node.js compatibiltiy improvements and bugfixes.

Bun v1.1.21 is here! This release fixes 72 bugs (addressing 63 👍). 30% faster fetch() decompression, New --fetch-preconnect flag, improved Remix support, Bun gets 4 MB smaller on Linux, bundle packages excluding dependencies, many bundler fixes and node compatibility improvements. Previous releasesv1.1.20 & v1.1.19 Fixes 54 bugs (addressing 248 👍). JavaScript gets faster on Windows. Raspberry Pi

Bun v1.1.13 is here! This release fixes 97 bugs (addressing 211 👍). Reliability improvements to bun install, WebSocket server, fetch, worker_threads. worker_threads now supports eval. URL.createObjectURL, stack trace error location improvements, several bun install fixes, and many crashes and bugs fixed. Previous releasesv1.1.11 fixes 36 bugs (addressing 362 👍). bun update saves dependency updat

Bun is an incredibly fast JavaScript runtime, bundler, transpiler, and package manager — all in one. Bun v1.1.6 is here! This release fixes 10 bugs (addressing 512 👍 reactions). We've implemented UDP socket support & node:dgram. DataDog and ClickHouseDB now work. We've fixed a regression in node:http from v1.1.5. There are also Node.js compatibility improvements and bugfixes. Previous releasesv1.

At the time of writing, Bun has over 2,600 open GitHub issues. We love having users and feedback, but some issues are really hard for us to reproduce and debug. Apps and SaaS products get to use wonderful crash reporting services like Sentry, but for CLI tooling like Bun, uploading core dumps has privacy, performance, and executable size tradeoffs that are harder to justify. That's why in Bun v1.1

Bun is an incredibly fast JavaScript runtime, bundler, transpiler, and package manager — all in one. Bun v1.1.4 fixes 40 bugs (addressing 84 👍 reactions). bun run --filter <workspace> <script> lets you run multiple workspace scripts in parallel. Reinstalls get up to 50% faster in bun install. Important reliability fixes to bun install. bun:sqlite supports using for resource cleanup and has a few

Bun is a fast, all-in-one toolkit for running, building, testing, and debugging JavaScript and TypeScript, from a single script to a full-stack application. If you're new to Bun, you can learn more in the Bun 1.0 blog post. Bun 1.1 is huge update. There's been over 1,700 commits since Bun 1.0, and we've been working hard to make Bun more stable and more compatible with Node.js. We've fixed over a

Bun is an incredibly fast JavaScript runtime, bundler, transpiler, and package manager — all in one. This release fixes 8 bugs. Bun.stringWidth(a) is a ~6,756x faster drop-in replacement for the popular "string-width" package. bunx now checks for updates more frequently. Adds expect().toBeOneOf() in bun:test. Memory leak impacting Prisma is fixed. Shell now supports advanced redirects like 2>&1, &

Bun is an incredibly fast JavaScript runtime, bundler, transpiler, and package manager — all in one. This release fixes 72 bugs (addressing 192 👍 reactions), Bun Shell supports throwing on non-zero exit codes, stream Response bodies using async generators, improves reliability of fetch(), http2 client, Bun.Glob fixes. Fixes a regression with bun --watch on Linux. Improves Node.js compatibility Pr

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

JavaScript is the world's most popular scripting language. So why is it hard to run shell scripts in JavaScript? import { spawnSync } from "child_process"; // this is a lot more work than it could be const { status, stdout, stderr } = spawnSync("ls", ["-l", "*.js"], { encoding: "utf8", });

Bun is an incredibly fast JavaScript runtime, bundler, transpiler, and package manager — all in one. In case you missed it, here are some of the recent changes to Bun. This release fixes 9 bugs and adds Bun Shell, a fast cross-platform shell with seamless JavaScript interop. Fixes a socket timeout bug, a potential crash when socket closes, a Node.js compatibility issue with Hapi, a process.exit bu

Bun v1.0.22 fixes 29 bugs (addressing 118 👍 reactions), fixes bun install issues on Vercel, adds performance.mark() APIs, adds child_process support for extra pipes, makes Buffer.concat faster, adds toBeEmptyObject and toContainKeys matchers, fixes console.table width using emojis, and support for argv and execArgv options in worker_threads, and supports Brotli in fetch. Bun is an incredibly fast

Bun v1.0.21 fixes 33 bugs (addressing 80 👍 reactions). console.table() support. Bun.write, Bun.file, and bun:sqlite use less memory. Large file uploads with FormData use less memory. bun:sqlite error messages get more detailed. Memory leak in errors from node:fs fixed. Node.js compatibility improvements, and many crashes fixed Bun is an incredibly fast JavaScript runtime, bundler, transpiler, and

Bun v1.0.19 fixes 26 bugs (addressing 92 👍 reactions). Use @types/bun instead of bun-types. Fixes "lockfile had changes, but is frozen" bug. bcrypt & argon2 packages now work. setTimeout & setInterval get 4x higher throughput. module mocks in bun:test resolve specifiers. Optimized spawnSync() for large stdio on Linux. Bun.peek() gets 90x faster, expect(map1).toEqual(map2) gets 100x faster. Bugfix

Bun v1.0.13 fixes 6 bugs (addressing 317 👍 reactions), adds support for the "node:http2" module (unblocking gRPC in Bun). Vite 5 & Rollup 4 work now. Implements process.report.getReport(), improves support for ES5 with statements, fixes a regression in bun install, and fixes a crash when printing exceptions. Bun is an incredibly fast JavaScript runtime, bundler, transpiler, and package manager —

Bun v1.0.12 fixes 24 bugs, makes bun's CLI help menus easier to read, adds support for bun -e, bun --env-file, server.url, import.meta.env, expect.unreachable(), improves support for module mocks, allows importing builtin modules at bundle-time, and improves Node.js compatibility. Bun is an incredibly fast JavaScript runtime, bundler, transpiler, and package manager — all in one. In case you misse

Bun v1.0.8 fixes 138 bugs (addressing 257 👍 reactions), makes require() use 30% less memory, adds module mocking to bun test, fixes more bun install bugs, and fixes more runtime bugs. Bun is an incredibly fast JavaScript runtime, bundler, transpiler, and package manager — all in one. In case you missed it, here are some of the recent changes to Bun: v1.0.0 - First stable release!v1.0.1 - Named im

Bun v1.0.5 fixes 41 bugs (addressing 248 👍 reactions), including a memory leak in fetch(), adds KeyObject support in crypto module, bun install can import package-lock.json files, and install peer dependencies. We've also added a bun pm migrate subcommand, and more bugfixes. Bun is an incredibly fast JavaScript runtime, bundler, transpiler, and package manager — all in one. In case you missed it,

Bun v1.0.4 fixes 62 bugs, adds server.requestIP, supports virtual modules in runtime plugins, and reduces memory consumption in Bun.serve(). Thank you for reporting issues. We are working hard to fix them as quickly as possible. Bun is an incredibly fast JavaScript runtime, bundler, transpiler, and package manager — all in one. We've been releasing a lot of changes to Bun recently. Here's a recap

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

Bun v1.0.3 fixes numerous bugs, adds support for metadata reflection via TypeScript's emitDecoratorMetadata, improves fetch compatibility, unblocks private registries like Azure Artifacts and Artifactory, bunx bugfix, console.log() depth 8 -> 2, Node.js compatibility improvements, and more. Thank you for reporting issues. We are working hard to fix them as quickly as possible. Bun is an incredibly

Bun v0.8.0 adds debugger support, implements fetch streaming, and unblocks SvelteKit. ReadStream and WriteStream from node:tty are implemented, and .setRawMode() now works on process.stdin, unblocking several interactive CLI tools. Plus Node.js compatibility updates, bug fixes, stability improvements. Bun 1.0 is coming on September 7th! Register for the launch stream at https://bun.sh/1.0. Bun is

Bun is an all-in-one toolkitWe love JavaScript. It's mature, it moves fast, and its developer community is vibrant and passionate. It's awesome. However, since Node.js debuted 14 years ago, layers and layers of tooling have accumulated on top of each other. And like any system that grows and evolves without centralized planning, JavaScript tooling has become slow and complex. Why Bun existsBun's g

Bun v0.7.3 adds support for code coverage and filtering tests by RegExp pattern. Bugs have been fixed in async Node.js fs functions, bun:sqlite, Buffer.prototype.copy, and macros. We're hiring C/C++ and Zig engineers to build the future of JavaScript! Join our team → Bun is an incredibly fast JavaScript runtime, bundler, transpiler, and package manager — all in one. Over the past couple months, we