Show HN: Monocle – bidirectional code generation library

This page summarizes the projects mentioned and recommended in the original post on news.ycombinator.com

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  • ts-lite

    Compiled TypeScript. Generates Go, Swift, Kotlin, WASM, Binary

    This is neat! I’m curious if you see this being extended for other languages, or the concept being applied in other projects?

    As for similar concepts, several projects by builder.io have some overlap. Most notably Mitosis[1], but I’d be shocked if TS-Lite[2] isn’t using similar techniques. Potentially Qwik[3] as well but I’m not sure, I would have bet that’s using Mitosis but it looks like that’s the other way around.

    1: https://github.com/BuilderIO/mitosis

    2: https://github.com/BuilderIO/ts-lite/tree/main/packages/core

    3: https://github.com/BuilderIO/qwik

  • qwik

    The HTML-first framework. Instant apps of any size with ~ 1kb JS

    This is neat! I’m curious if you see this being extended for other languages, or the concept being applied in other projects?

    As for similar concepts, several projects by builder.io have some overlap. Most notably Mitosis[1], but I’d be shocked if TS-Lite[2] isn’t using similar techniques. Potentially Qwik[3] as well but I’m not sure, I would have bet that’s using Mitosis but it looks like that’s the other way around.

    1: https://github.com/BuilderIO/mitosis

    2: https://github.com/BuilderIO/ts-lite/tree/main/packages/core

    3: https://github.com/BuilderIO/qwik

  • Scout APM

    Truly a developer’s best friend. Scout APM is great for developers who want to find and fix performance issues in their applications. With Scout, we'll take care of the bugs so you can focus on building great things 🚀.

  • Monocle

    Optics library for Scala

    A very popular Scala optics library is also called Monocle. I’ve been a happy user for a few years:

    https://github.com/optics-dev/Monocle

  • estree

    The ESTree Spec

  • Babel (Formerly 6to5)

    🐠 Babel is a compiler for writing next generation JavaScript.

  • Acorn

    A small, fast, JavaScript-based JavaScript parser

  • espree

    An Esprima-compatible JavaScript parser

  • Sonar

    Write Clean JavaScript Code. Always.. Sonar helps you commit clean code every time. With over 300 unique rules to find JavaScript bugs, code smells & vulnerabilities, Sonar finds the issues while you focus on the work.

  • recast

    JavaScript syntax tree transformer, nondestructive pretty-printer, and automatic source map generator

  • escodegen

    ECMAScript code generator

  • openapi-preprocessor

    An authoring tool for OpenAPI specifications

    I use a mixed approach for OpenAPI, but not bidirectional.

    I have OpenAPI pieces generated from my Go source code (comment, types, function signatures) as JSON.

    I also have a manually-edited master YAML document that refers to generated bits via $ref links.

    I then use openapi-preprocessor [1] (disclaimer: I wrote it) to produce a final openapi.json file which is committed in the repo.

    When I want to extend the API in a spec-first process, I can add the new routes manually in the YAML file. When I do the implementation I replace the manual bits by the generated one when they are ready. When committing I can check the diff of openapi.json to verify I'm not losing in the process.

    [1] https://github.com/dolmen-go/openapi-preprocessor

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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