hermes
repack
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hermes | repack | |
---|---|---|
42 | 9 | |
9,369 | 1,327 | |
1.3% | 2.9% | |
9.8 | 8.9 | |
7 days ago | 1 day ago | |
C++ | TypeScript | |
MIT License | 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
đź“ś 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.)
repack
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How to improve loading time with big JSON files?
Re.Pack is a bundler replacement for React Native's Metro bundler. It is a series of plugins for the popular Webpack bundler that enables some key features of "plain" React designed for code-splitting and lazy loading. WARNING: Using Re.Pack, although pretty straightforward, is a bigger change than the above. So experiment with above recommendations first.
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HELP NEEDED: Has anyone here worked with CallStack?
We use our own Re.Pack, which is built around webpack and leverage Module Federation to support this kind of architecture optimally, allowing for collaborative and/or independent development and deployment. Repack doesn’t currently support Expo for development, but it should be possible to have it work in standalone mode for any mini-app. We could consider building this with you.
- Multi-Modules / Miniapps in React Native / Expo?
- Is React Native for NX stable enough? are there no PITAs at upgrading the RN version? And which CI/CD to you use? What about AppCenter, especially CodePush?
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Share your experience: App maintenance in RN
Maintaining a React Native app built in 2017. Biggest pain right now is using the Metro bundler. Since migrating our codebase from a Yarn v1 workspace to a Rush (pnpm-based) monorepo, our packages use symlinks which the Metro bundler doesn't support. I've had to go through solutions such as Microsoft's @rnx-kit/metro-resolver-symlinks but still end up with issues. Will look next in to trying Callstack's repack for building our apps instead of Metro, even though I'm very hesitant in switching build tools.
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React Native Team AUA - Thursday Oct. 14, 9am PT
re:pack, a Webpack bundler for RN.
- Re.Pack - bringing Webpack to React Native
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React Native Code-Splitting With Repack
Re.pack is basically a toolkit that allows you to use Webpack and its Code-Splitting functionality and use them on React Native.
What are some alternatives?
react-native-debugger - The standalone app based on official debugger of React Native, and includes React Inspector / Redux DevTools
metro-minify-esbuild - Use ESBuild to make your React Native code bundle faster.
v8.dev - The source code of v8.dev, the official website of the V8 project.
expo-cli - Tools for creating, running, and deploying universal Expo and React Native apps
nodejs-mobile - Full-fledged Node.js on Android and iOS
react-native-skia - Cross platform React Native solution to draw graphics based on Skia
dayjs - ⏰ Day.js 2kB immutable date-time library alternative to Moment.js with the same modern API
react-native - A framework for building native applications using React
quickjspp - Port of QuickJS Javascript Engine.
BundleMon - A free open-source tool that helps you to monitor your bundle size on every commit and alerts you on changes.
react-native-quick-base64 - A fast base64 module for React Native
react-native-skia - High-performance React Native Graphics using Skia