Bun is a fast all-in-one JavaScript runtime, bundler, transpiler, and package manager. It aims to provide a comprehensive toolset for modern JavaScript development, focusing on performance and developer experience.
JavaScript Runtime
Bun can execute JavaScript code directly, similar to Node.js. This makes it suitable for running scripts and building server-side applications.
console.log('Hello, Bun!');Bundler
Bun can bundle JavaScript and TypeScript files, optimizing them for production. This command takes an entry file and outputs the bundled code to a specified directory.
bun build src/index.js --outdir distTranspiler
Bun can transpile TypeScript to JavaScript, making it easier to work with modern JavaScript features while maintaining compatibility with older environments.
bun transpile src/index.ts --outdir distPackage Manager
Bun includes a package manager that can install dependencies from the npm registry. This command installs the React library into your project.
bun install reactNode.js is a JavaScript runtime built on Chrome's V8 JavaScript engine. It is widely used for building server-side applications and has a vast ecosystem of packages. Compared to Bun, Node.js is more mature and has broader community support, but it may not be as fast in certain scenarios.
Webpack is a popular module bundler for JavaScript applications. It allows developers to bundle JavaScript files for usage in a browser. While Webpack is highly configurable and powerful, it can be complex to set up compared to Bun's simpler bundling process.
Esbuild is an extremely fast JavaScript bundler and minifier. It is known for its speed and efficiency, making it a strong competitor to Bun in terms of performance. However, Esbuild focuses primarily on bundling and minification, whereas Bun offers a broader range of features.
TypeScript is a superset of JavaScript that adds static types. While Bun can transpile TypeScript to JavaScript, TypeScript itself is a language and compiler that provides type safety and modern JavaScript features. Bun's transpiler feature is similar but integrated into its all-in-one toolset.
Npm is the default package manager for Node.js. It is used to install, share, and manage dependencies in JavaScript projects. Bun's package manager aims to be faster and more efficient, but npm has a larger ecosystem and is more widely adopted.
Bun is a fast all-in-one JavaScript runtime. https://bun.sh
npm install -g bun
bun upgrade
FAQs
Bun is a fast all-in-one JavaScript runtime.
The npm package bun receives a total of 172,940 weekly downloads. As such, bun popularity was classified as popular.
We found that bun demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 2 open source maintainers collaborating on the project.
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