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Development

Requires Node 14+ and Yarn.

EightBittr development is managed using a few popular web technologies you'll want to be at least a little familiar with:

  • Lerna: A tool for managing JavaScript projects with multiple packages.
  • Mocha: The simple, fun, flexible JavaScript testing framework.
  • TypeScript: Like JavaScript, but with glorious type declarations.
  • Yarn: A package manager with great performance and project linking.

If you're on a MacOS M1/M2 chip, you'll likely need to install Chromium with Homebrew:

brew install homebrew
xattr -cr /Applications/Chromium.app

...and add the following in your ~/.zshrc or equivalent:

export PUPPETEER_SKIP_CHROMIUM_DOWNLOAD=true
export PUPPETEER_EXECUTABLE_PATH=/opt/homebrew/bin/chromium

Setup

After forking the repo from GitHub, you'll want to clone it, install dependencies, and prepare its packages for development:

git clone https://github.com/<your-name>/EightBittr
cd EightBittr
yarn
yarn lerna bootstrap
yarn run hydrate

Local Development

In practical use, you'll generally want at least two terminals open:

  • One running yarn compile -w from this repository root to run TypeScript in watch mode.
  • One free for other commands, such as cding into packages and running yarn test:setup to regenerate test files.

Root Commands

The following common commands from package.json can be run from the repository root to work across all packages:

  • compile: Builds TypeScript source files in src/ into JavaScript files in lib/.
  • format: Runs Prettier to flag incorrectly formatted source files.
    • format:write: Fixes those source files for you.
  • lint: Runs ESLint on source files to find linting complaints.
  • test: Rebuilds all packages' test infrastructures and runs their tests.

Code Directories

Once built, there will be up to three directories in this package containing code, in order of build process:

  1. src/: The "source of truth" containing TypeScript source files.
  2. lib/: JavaScript source files, declaration files, and source maps generated by TypeScript from src/.
  3. dist/: Bundled, minified versions of JavaScript files generated by Webpack from lib/ -- if package.json contains a "dist": true under "shenanigans".

shenanigans-manager

You may notice some commands use the shenanigans-manager package, a utility package included in this monorepo. It automates useful commands common to packages here, such as scaffolding package scripts and shared documentation. See its docs in packages/shenanigans-manager.

Package Linking

If you're developing a game that uses EightBittr and would like to use your local EightBittr monorepo for its npm packages, you can do so in two steps:

  1. From this repository, make all packages globally available using Yarn link to set up symlinks:

    yarn run link

  2. From the game's repository, point its node_modules/ to those global symlinks using shenanigans-manager's link-packages command:

    yarn shenanigans-manager link-packages