obsidian-plugin
Create and develop Obsidian plugins from scratch. Use when building a new Obsidian plugin, scaffolding from the sample-plugin-plus template, or developing plugin features. Covers project setup, manifest configuration, TypeScript development, settings UI, commands, ribbons, modals, and Obsidian API patterns.
What this skill does
# Obsidian Plugin Development
Build production-ready Obsidian plugins using the [obsidian-sample-plugin-plus](https://github.com/davidvkimball/obsidian-sample-plugin-plus) template.
## Quick Start: New Plugin
### 1. Create from Template
```bash
# Clone the template (or use GitHub's "Use this template" button)
gh repo create my-plugin --template davidvkimball/obsidian-sample-plugin-plus --public --clone
cd my-plugin
# Or clone directly
git clone https://github.com/davidvkimball/obsidian-sample-plugin-plus.git my-plugin
cd my-plugin
rm -rf .git && git init
```
### 2. Configure Plugin Identity
Update these files with your plugin's info:
**manifest.json:**
```json
{
"id": "my-plugin",
"name": "My Plugin",
"version": "0.0.1",
"minAppVersion": "1.5.0",
"description": "What your plugin does",
"author": "Your Name",
"authorUrl": "https://yoursite.com",
"isDesktopOnly": false
}
```
**package.json:** Update `name`, `description`, `author`, `license`.
**README.md:** Replace template content with your plugin's documentation.
### 3. Initialize Development Environment
```bash
pnpm install
pnpm obsidian-dev-skills # Initialize AI skills
./scripts/setup-ref-links.sh # Unix
# or: scripts\setup-ref-links.bat # Windows
```
### 4. Clean Boilerplate
In `src/main.ts`:
- Remove sample ribbon icon, status bar, commands, modal, and DOM event
- Keep the settings tab if needed, or remove it
- Rename `MyPlugin` class to your plugin name
Delete `styles.css` if your plugin doesn't need custom styles.
## Development Workflow
### Build & Test
```bash
pnpm dev # Watch mode — rebuilds on changes
pnpm build # Production build
pnpm lint # Check for issues
pnpm lint:fix # Auto-fix issues
pnpm test # Run unit tests
```
### Install in Obsidian
Copy build output to your vault:
```bash
# Unix
cp main.js manifest.json styles.css ~/.obsidian/plugins/my-plugin/
# Or create a symlink for development
ln -s $(pwd) ~/.obsidian/plugins/my-plugin
```
Enable the plugin in Obsidian Settings → Community Plugins.
Use [Hot Reload](https://github.com/pjeby/hot-reload) plugin for automatic reloading during development.
## Plugin Architecture
### Entry Point (`src/main.ts`)
```typescript
import { Plugin } from 'obsidian';
export default class MyPlugin extends Plugin {
settings: MyPluginSettings;
async onload() {
await this.loadSettings();
// Register commands, ribbons, events, views
}
onunload() {
// Cleanup: remove event listeners, views, DOM elements
}
async loadSettings() {
this.settings = Object.assign({}, DEFAULT_SETTINGS, await this.loadData());
}
async saveSettings() {
await this.saveData(this.settings);
}
}
```
### Settings Pattern
See [references/settings.md](references/settings.md) for the complete settings UI pattern.
### Common Patterns
See [references/patterns.md](references/patterns.md) for:
- Commands (simple, editor, check callbacks)
- Ribbon icons
- Modals
- Events and lifecycle
- File operations
- Editor manipulation
## Constraints
- **No auto-git**: Never run `git commit` or `git push` without explicit approval
- **No eslint-disable**: Fix lint issues properly, don't suppress them
- **No `any` types**: Use proper TypeScript types
- **Sentence case**: UI text uses sentence case (ESLint may false-positive on this — ignore if so)
## Release Checklist
1. Update version in `manifest.json` and `package.json`
2. Update `versions.json` with `"version": "minAppVersion"`
3. Run `pnpm build` — zero errors
4. Run `pnpm lint` — zero issues
5. Create GitHub release with tag matching version (no `v` prefix)
6. Upload: `main.js`, `manifest.json`, `styles.css` (if used)
## References
- [Settings UI](references/settings.md) — Complete settings tab implementation
- [Common Patterns](references/patterns.md) — Commands, modals, events, file operations
- [Obsidian API Docs](https://docs.obsidian.md) — Official documentation
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