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https://facebook.github.io/yoga

Yoga is an embeddable layout engine targeting web standards.
https://facebook.github.io/yoga

Last synced: about 2 months ago
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Yoga is an embeddable layout engine targeting web standards.

Host: GitHub
URL: https://facebook.github.io/yoga
Owner: facebook
License: mit
Created: 2014-04-07T01:37:37.000Z (over 10 years ago)
Default Branch: main
Last Pushed: 2024-04-11T05:20:02.000Z (8 months ago)
Last Synced: 2024-04-11T06:29:50.689Z (8 months ago)
Language: C++
Homepage: https://yogalayout.dev/
Size: 23.9 MB
Stars: 16,869
Watchers: 394
Forks: 1,398
Open Issues: 81
Metadata Files:
- Readme: README.md
- Contributing: CONTRIBUTING.md
- License: LICENSE
- Code of conduct: CODE_OF_CONDUCT.md

Awesome Lists containing this project

front-awesome - Yoga

README

        # Yoga [![CocoaPods](https://img.shields.io/cocoapods/v/Yoga.svg)](http://cocoapods.org/pods/Yoga) [![npm](https://img.shields.io/npm/v/yoga-layout.svg)](https://www.npmjs.com/package/yoga-layout) [![Maven Central](https://img.shields.io/maven-central/v/com.facebook.yoga/yoga)](https://search.maven.org/artifact/com.facebook.yoga/yoga) ![SPM](https://img.shields.io/badge/SPM-Supported-blue.svg)

Yoga is an embeddable and performant flexbox layout engine with bindings for multiple languages.

## Building

Yoga's main implementation targets C++ 20 with accompanying build logic in CMake. A wrapper is provided to build the main library and run unit tests.

```sh

./unit_tests 

```

While not required, this script will use [ninja](https://ninja-build.org/) if it is installed for faster builds.

Yoga is additionally part of the [vcpkg](https://github.com/Microsoft/vcpkg/) collection of ports maintained by Microsoft and community contributors. If the version is out of date, please [create an issue or pull request](https://github.com/Microsoft/vcpkg) on the vcpkg repository.

## Adding Tests

Many of Yoga's tests are automatically generated, using HTML fixtures describing node structure. These are rendered in Chrome to generate an expected layout result for the tree. New fixtures can be added to `gentest/fixtures`.

```html



  



```

To generate new tests from added fixtures:

1. Ensure you have [yarn classic](https://classic.yarnpkg.com) installed.

2. Run `yarn install` to install dependencies for the test generator.

3. Run `yarn gentest` in the `yoga` directory.

## Debugging

Yoga provides a VSCode "launch.json" configuration which allows debugging unit tests. Simply add your breakpoints, and run "Debug C++ Unit tests (lldb)" (or "Debug C++ Unit tests (vsdbg)" on Windows).