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Bun's test runner is not just about compatibility; it's about speed. In a benchmark against the test suite for Zod, Bun proved to be 13x faster than Jest and 8x faster than Vitest. This speed advantage is further highlighted by Bun's matchers, which are implemented in fast native code. For instance, expect().toEqual() in Bun is a staggering 100x faster than Jest and 10x faster than Vitest.
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zig
General-purpose programming language and toolchain for maintaining robust, optimal, and reusable software.
Both Node.js and Bun are runtimes. Node.js is primarily written in C++ where as Bun is written with a low-level general purpose programming language called Zig. But that is just the tip of the ice berg. Let’s take a closer look at other differences when treating Bun as a runtime alone.
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Appwrite
Appwrite - The open-source backend cloud platform. Add Auth, Databases, Functions, and Storage to your product and build any application at any scale while using your preferred coding languages and tools.
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webpack
A bundler for javascript and friends. Packs many modules into a few bundled assets. Code Splitting allows for loading parts of the application on demand. Through "loaders", modules can be CommonJs, AMD, ES6 modules, CSS, Images, JSON, Coffeescript, LESS, ... and your custom stuff.
In the Node.js ecosystem, bundling is typically handled by third-party tools rather than Node.js itself. Some of the most popular bundlers in the Node.js world include Webpack, Rollup, and Parcel, offering features like code splitting, tree shaking, and hot module replacement.
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While Node.js uses Google's V8 engine that power's Chrome browser, Bun uses JavaScriptCore (JSC), which is an open source JavaScript engine developed by Apple for Safari.
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In the Node.js ecosystem, bundling is typically handled by third-party tools rather than Node.js itself. Some of the most popular bundlers in the Node.js world include Webpack, Rollup, and Parcel, offering features like code splitting, tree shaking, and hot module replacement.
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In the Node.js ecosystem, bundling is typically handled by third-party tools rather than Node.js itself. Some of the most popular bundlers in the Node.js world include Webpack, Rollup, and Parcel, offering features like code splitting, tree shaking, and hot module replacement.
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While Node.js developers have traditionally relied on Jest for their testing needs, Bun introduces a built-in test runner that promises speed, compatibility, and a range of features that cater to modern development workflows.
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Onboard AI
Learn any GitHub repo in 59 seconds. Onboard AI learns any GitHub repo in minutes and lets you chat with it to locate functionality, understand different parts, and generate new code. Use it for free at www.getonboard.dev.
