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Yoga WASM

Custom bindings of Yoga Layout 1.18.0 compiled to WebAssembly.

Install

npm install @codewitchbella/yoga-wasm

Usage with webpack

Add following to module.rules section of your configuration

{
  test: /yoga\.wasm$/,
  loader: require.resolve('file-loader'),
  type: 'javascript/auto',
},

This makes webpack provide us with path to yoga.wasm file.

Goals

  • WASM bindings on yoga-layout compatible with official build
  • Be able to use it as drop-in replacement for yoga-layout-prebuilt except that it exports promise.

Status

It is code-complete and most of the code is copied over from yoga-layout, which means that it should be compatible with most code using yoga. But it needs more testing to determine if it is actually true.

Currently non-goals

  • Fallback to JS (but I might accept pull request)

Building

You have to have docker working and running to do this.

git clone git@github.com:CodeWitchBella/yoga-wasm.git --recursive # clone with submodule
cd yoga-wasm
npm ci # also runs build

Updating upstream yoga

git clone git@github.com:facebook/yoga.git fbyoga -b 1.18.0 # replace with your desired version
cd fbyoga
git subtree split -P yoga -b fbyoga
git remote add wasm git@github.com:CodeWitchBella/yoga-wasm.git
git push wasm fbyoga
cd ..
rm -rf fbyoga
git pull --recurse-submodules
cd yoga
git pull origin fbyoga

Now commit and push result, also edit README.md

Updating emscripten

Change docker image tag in package.json#/scripts/build:wasm