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Bun (software)
JavaScript runtime From Wikipedia, the free encyclopedia
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Bun is a JavaScript runtime, package manager and test runner designed as a drop-in replacement for Node.js.[4][5] Bun uses Safari's JavaScriptCore as its JavaScript engine,[6] unlike Node.js and Deno, which run on the V8 engine used by Chromium.
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Overview
Bun supports bundling, minifying, server-side rendering (Svelte, Nuxt.js, Vite). Bundling refers to the process of combining multiple files and assets like JavaScript, CSS, and HTML into a single file, or a smaller number of files, to reduce the number of server requests and enhance performance.[7] Minifying is a technique of compressing these files by removing unnecessary characters (like whitespace, comments, etc.) without affecting their functionality, further optimizing website loading times. Bun provides an API to decide whether to preserve some readability by e.g. keeping whitespace.[7]
The runtime supports foreign function interface (FFI), SQLite3, TLS 1.3, and DNS resolution. It also comes bundled in with common tools like file editing, HTTP servers, Websocket, and hashing.[8]
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History
The official Bun 1.0 was released on September 8, 2023.[9]
Bun 1.1 added support for Windows 10 and Windows 11.[10][11] It also introduced a cross-platform Bun Shell for running some Bash commands without extra dependencies.[10][11]
With version 1.3, Bun added hot module replacement (HMR) to its local development server, which updates pages as code changes automatically.[12]
Funding
On August 24, 2022, Oven, the company behind Bun, announced it had raised $7 million in funding. The round was led by Kleiner Perkins, with participation from Guillermo Rauch, Y Combinator, and others.[13]
References
External links
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