hermes
bun
hermes | bun | |
---|---|---|
42 | 288 | |
9,384 | 70,839 | |
0.8% | 2.2% | |
9.8 | 10.0 | |
7 days ago | about 19 hours ago | |
C++ | Zig | |
MIT License | - |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
hermes
- Hermes Sandboxed Runtime
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LLRT: A low-latency JavaScript runtime from AWS
Hermes is a big one as well: low startup latency, low memory
https://hermesengine.dev/
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A list of JavaScript engines, runtimes, interpreters
Hermes
- Implementation of Arrays via Segments (By Hermes for JavaScript)
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Threads uses Compose!
InstagramBundle.js.hbc.spk.xz is likely a compressed version of Hermes bytecode (js.hbc)"
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Removing Timezones from Dates in Javascript
In React Native's case, it uses an engine called Hermes:
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This Week In React-Native #137: Expo Code Elimination, Monorepo, Hermes, Chain React, EAS, Skia, Expo Router, VisionCamera, React-Native-Graph
📜 I made JSON.parse() 2x faster: Radek proposes to improve the performance of Hermes by using very fast C++ libs based on SIMD instructions. Interesting to read even if you don't use React-Native. Ongoing discussions on the Hermes PR.
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I made JSON.parse() 2x faster
Thanks! There's a preliminary PR with a discussion here: https://github.com/facebook/hermes/pull/933 (and broader context here: https://github.com/facebook/hermes/issues/811 ). But we'll see if there's any interest on Hermes' side to merging it. They definitely want to improve the parser, but it's unclear to me if they want to take on the simdjson/simdutf dependencies.
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Hermes, an Open Source Document Management System
For me it’s a JS engine for React Natve - https://hermesengine.dev/
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Don't pay for painfully slow React Native iOS builds anymore.
💉 Building and injecting a JS bundle a basic concept: If the native code wasn’t changed, simply create JS bundle and inject it into the precompiled application. (You must take an extra step to convert a js file to bytecode if you use the Hermes js engine.)
bun
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Node Test Runner vs Bun Test Runner (with TypeScript and ESM)
It has a decent compatibility with both Jest and Vitest's APIs (you can track progress here so you can use it as almost a drop-in replacement for either. Just as Node's, it has describe/it, mock, test and others, but with the expect syntax (which I find more readable). For example:
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SPA-Like Navigation Preserving Web Component State
In this third and final article in the series on HTML Streaming, we will explore the practical implementation of the Diff DOM Streaming library in web browsing. This approach will allow any website using web components to retain its state during browsing. We will discuss in detail how to achieve this step by step using VanillaJS and Bun.
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React Server Components Example with Next.js
At Node Conference 2023, Jarred Sumner (creator of Bun) showed a demo of server components in Bun, so there is at least partial support in that ecosystem. The Bun repo provides bun-plugin-server-components as the official plugin for server components. And while I haven’t looked at it in-depth, Marz claims to be a “React Server Components Framework for Bun”.
- Bun – A fast all-in-one JavaScript runtime
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From Node to Bun: A New Dawn for JavaScript Engines?
Continuously evolving, Bun is currently optimized for MacOS and Linux, with ongoing efforts towards Windows compatibility. Tailored for resource-constrained environments like serverless functions, it emerges as an ideal solution. The Bun team is committed to achieving comprehensive Node.js compatibility and seamless integration with prevalent frameworks. For those intrigued by Bun's potential and want to give it a try, more information is available on its website at https://bun.sh/.
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Bun - The One Tool for All Your JavaScript/Typescript Project's Needs?
Let’s say you are interested in learning more about Bun and probably give it a try. Bun has a website, where you can learn more about Bun and its features (including all the benchmark data captured in this issue), and here is the link.
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Bun 1.1
Looks like it, it seems the 2% are mostly odd platform specific issues that the authors' did not deem very important (my assumption for the release happening anyway). AFAIK this[1] PR tries to fix them.
[1]: https://github.com/oven-sh/bun/pull/9729
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Bun-ify Your Project
Bun has a solution for it. First of all, it already has a list of trusted dependencies. For them, Bun will execute all necessary scripts by default. Otherwise, you can add it to trustedDependecies in your package.json file. In Bun community usage of trustedDependencies is a hot topic. There are several suggestions on how to improve it.
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I have created a small anti-depression script
Install Node.js (or Bun, or Deno, or whatever JS runtime you prefer) if it's not there
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JSR: The JavaScript Registry
I think maybe I was unclear. I'm talking about writing libraries that abstract across these differences and provide a single API, as sibling describes. I already know it's possible. I made a simple filesystem abstraction here[0] and a very simple HTTP library that uses it here[1]. They both work in Node/Deno and the browser. Unfortunately I ran into issues with Bun's slice implementation[2]. But I suspect there's a much better way of detecting and using the different backends.
[0]: https://github.com/waygate-io/fs-js
[1]: https://github.com/waygate-io/http-js
[2]: https://github.com/oven-sh/bun/issues/7057
What are some alternatives?
react-native-debugger - The standalone app based on official debugger of React Native, and includes React Inspector / Redux DevTools
vite - Next generation frontend tooling. It's fast!
v8.dev - The source code of v8.dev, the official website of the V8 project.
GORM - The fantastic ORM library for Golang, aims to be developer friendly
nodejs-mobile - Full-fledged Node.js on Android and iOS
nvm - Node Version Manager - POSIX-compliant bash script to manage multiple active node.js versions
dayjs - ⏰ Day.js 2kB immutable date-time library alternative to Moment.js with the same modern API
fastify - Fast and low overhead web framework, for Node.js
quickjspp - Port of QuickJS Javascript Engine.
go-pg - Golang ORM with focus on PostgreSQL features and performance
react-native-quick-base64 - A fast base64 module for React Native
deno - A modern runtime for JavaScript and TypeScript.