Creating a Plugin

This guide walks you through the steps to create a plugin for our platform. You'll start by setting up the basic structure, configuring necessary files, and then running a local server to preview your plugin. Let's dive in.

Step 1: Initialize the Plugin

First, you need to create the scaffolding for your plugin. Use the following command, replacing example-plugin with the name of your plugin:

npx nx g @nx/web:application example-plugin --directory=apps/example-plugin

Step 2: Configure the Manifest

Next, create a manifest.json file inside the /public directory. This file is crucial as it defines key properties of your plugin, including permissions and the entry point script.

{
  "name": "Example Plugin",
  "code": "http://localhost:4201/plugin.js",
  "permissions": ["page:read", "file:read", "selection:read"]
}

Step 3: Update Vite Configuration

Now, add the following configuration to your vite.config.ts to specify the entry points for the build process:

build: {
  rollupOptions: {
    input: {
      plugin: 'src/plugin.ts',
      index: './index.html',
    },
    output: {
      entryFileNames: '[name].js',
    },
  },
}

Step 4: Modify TypeScript Configuration

Update your tsconfig.app.json to include the necessary TypeScript files for your plugin:

{
  "include": ["src/**/*.ts", "../../libs/plugin-types/index.d.ts"]
}

Step 5: Run a Static Server

To preview your plugin, start a static server by running:

npx nx run example-plugin:build --watch & npx nx run example-plugin:preview

Step 6: Load the Plugin in Penpot

Finally, to load your plugin into Penpot, execute the following command in the browser's console devtools:

ɵloadPluginByUrl('http://localhost:4201/manifest.json');

Learn More About Plugin Development

For more detailed information on plugin development, check out our guides:

Using a Starter Template

If you prefer to kickstart your plugin development, consider using the Penpot Plugin Starter Template. It's a template designed to streamline the creation process for Penpot plugins.

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