IsaacScript

IsaacScript is a tool to help you create Binding of Isaac: Repentance mods using TypeScript.

Please visit the official website for more information. You can also join the Discord server.

This is the monorepo that houses the various packages in the ecosystem.

Packages

Each project in the monorepo is contained within the "packages" directory.

Name	Description	Version
docs	The Docusaurus website.	n/a
eslint-config-isaacscript	A sharable ESLint config for IsaacScript projects.
eslint-plugin-isaacscript	An ESLint plugin that contains useful rules.
isaac-lua-polyfill	Polyfills for testing Isaac mods using TypeScript.
isaac-typescript-definitions	TypeScript definitions for the The Binding of Isaac: Repentance API.
isaacscript-cli	The command-line tool for managing Isaac mods written in TypeScript.
isaacscript-common	Helper functions and features for IsaacScript mods.
isaacscript-lint	A linting dependency meta-package for IsaacScript and TypeScript projects.
isaacscript-lua	A tool for managing IsaacScript libraries in Lua projects.
isaacscript-spell	Spelling dictionaries for The Binding of Isaac: Repentance.
isaacscript-tsconfig	A sharable TypeScript config for TypeScript and IsaacScript projects.

Getting Started with Development

For getting started in building your own mods, see the website. For contributing to the IsaacScript project itself, read on.

Download and install Node.js, if you do not have it already.
Download and install Git, if you do not have it already.
Download and install VSCode, if you do not have it already.
Open a new command prompt window or shell of your choice.
Configure Git, if you have not done so already:
- git config --global user.name "Your_Username"
- git config --global user.email "your@email.com"
Fork the IsaacScript repository by clicking on the "Fork" button in the top-right-hand corner of this page.
Clone the forked repository:
- cd [the path where you want the code to live]
- If you already have an SSH key pair and have the public key attached to your GitHub profile, then use the following command to clone the repository via SSH:
  - git clone git@github.com:[username]/isaacscript.git
    (replace "[username]" with your GitHub username)
- If you do not already have an SSH key pair, then use the following command to clone the repository via HTTPS:
  - git clone https://github.com/[username]/isaacscript.git
    (replace "[username]" with your GitHub username)
Enter the cloned repository:
- cd isaacscript
Install dependencies:
- npm ci
Open the monorepo in VSCode:
- code .

Working with `isaacscript-common`

If you want to fix a bug or add a new feature to isaacscript-common, then you need to set up a testing mod that links to your compiled development version. (This is so that you can test out your changes inside of the game.)

Making a New Mod

The isaacscript command line tool has a --dev flag that will set up a new testing mod for you automatically:

npx isaacscript@latest init test --dev

This command will initialize a new mod named "test" and then automatically link it to your locally compiled isaacscript-common. Additionally, when you initiate the IsaacScript file watcher in your mod, it will also spawn an additional watcher process for the files in isaacscript-common.

Using an Existing Mod

Testing with a brand new mod is recommended, but it is also possible to use an existing mod. Just set "isaacScriptCommonDev": true in your isaacscript.json file and then start IsaacScript. (Doing this will automatically set up the local npm link.)

Make sure that your existing mod project uses npm as the package manager, or the link won't work properly.

License

IsaacScript/isaacscript

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