pumpkin-api-ts/README.md
2026-08-03 10:58:05 -07:00

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# Pumpkin API for TypeScript
This package provides the TypeScript bindings for building [Pumpkin](https://github.com/Pumpkin-MC/Pumpkin) plugins using WebAssembly (Wasm) components.
## Features
- **Type-safe API**: Full TypeScript definitions for all Pumpkin plugin interfaces.
- **Easy Build Process**: Includes a build script to bundle your TypeScript code and componentize it into a `.wasm` file.
- **Wasm Components**: Built on the WebAssembly Component Model for high performance and portability.
## Installation
You'll want to download the latest version of the bindings from the [CI release](https://github.com/Pumpkin-MC/pumpkin-api-ts/releases/tag/CI).
We don't have stable versions as Pumpkin and its API is still pre-release.
Then `npm install` the downloaded `.tgz`. e.g.
```bash
npm install pumpkinmc-pumpkin-api-ts-50917277.tgz
```
You may also choose to install directly from the download URL (after determining it; commit hash changes)
```bash
npm install https://github.com/Pumpkin-MC/pumpkin-api-ts/releases/download/CI/pumpkinmc-pumpkin-api-ts-XXXXXXXX.tgz
```
## Creating a Plugin
1. Create a new TypeScript file (e.g., `my-plugin.ts`).
2. Extend the `Plugin` class and implement the `metadata()` method.
3. Register your plugin using `registerPlugin()`.
4. Add `export * from "@pumpkinmc/pumpkin-api-ts";` at the end.
Example:
```typescript
import { Plugin, registerPlugin } from "@pumpkinmc/pumpkin-api-ts";
import { PluginMetadata } from "pumpkin:plugin/metadata@0.1.0";
import { Context } from "pumpkin:plugin/context@0.1.0";
import { TextComponent } from "pumpkin:plugin/text@0.1.0";
import * as logging from "pumpkin:plugin/logging@0.1.0";
import { PlayerJoinEventData } from "pumpkin:plugin/event@0.1.0";
class MyPlugin extends Plugin {
metadata(): PluginMetadata {
return {
name: "My TypeScript Plugin",
version: "0.1.0",
authors: ["alex"],
description: "A sample plugin written in TypeScript",
dependencies: [],
permissions: [],
};
}
onLoad(ctx: Context): void {
super.onLoad(ctx);
logging.log("info", "Hello from TypeScript plugin!");
this.registerEvent(
ctx,
"player-join-event",
(_srv, evt: PlayerJoinEventData) => {
logging.log("info", `Player ${evt.player.getName()} joined!`);
evt.player
.getWorld()
.broadcastSystemMessage(
TextComponent.text(
`Welcome ${evt.player.getName()} to the server!`,
),
false,
);
},
);
}
}
registerPlugin(new MyPlugin());
export * from "@pumpkinmc/pumpkin-api-ts";
```
## Building Your Plugin
To build your plugin into a `.wasm` component, use the provided build script:
```bash
./node_modules/.bin/pumpkin-plugin-build <entry-file.ts> <output-file.wasm>
```
Example:
```bash
./node_modules/.bin/pumpkin-plugin-build my-plugin.ts build/my-plugin.wasm
```
For convience, it's recommended to add a scripts section to your `package.json`
```json
{
"scripts": {
"build": "pumpkin-plugin-build my-plugin.ts build/my-plugin.wasm"
},
"dependencies": {
...
}
}
```
Execute with `npm run build`