Contributing

Setup

Option 1 - Manual

Fork and clone the repo
Run npm install to install dependencies
Create a branch for your PR with git checkout -b your-branch-name

To keep master branch pointing to remote repository and make pull requests from branches on your fork. To do this, run:
git remote add upstream https://github.com/excalidraw/excalidraw.git
git fetch upstream
git branch --set-upstream-to=upstream/master master

Option 2 - CodeSandbox

Go to https://codesandbox.io/s/github/excalidraw/excalidraw
Connect your Github account
Go to Git tab on left side
Tap on Fork Sandbox
Write your code
Commit and PR automatically