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README.md
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README.md
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# Quartz Community Plugin Template
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# @quartz-community/breadcrumbs
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Production-ready template for building, testing, and publishing Quartz community plugins. It mirrors
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Quartz's native plugin patterns and uses a factory-function API similar to Astro integrations:
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plugins are created by functions that return objects with `name` and lifecycle hooks.
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Displays breadcrumb navigation showing the page's position in the folder hierarchy.
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## Highlights
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- ✅ Quartz-compatible transformer/filter/emitter examples
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- ✅ TypeScript-first with exported types for consumers
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- ✅ `tsup` bundling + declaration output
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- ✅ Vitest testing setup with example tests
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- ✅ Linting/formatting with ESLint + Prettier
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- ✅ CI workflow for checks and npm publishing
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- ✅ Demonstrates CSS/JS resource injection and remark/rehype usage
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## Getting started
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## Installation
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```bash
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npm install
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npm run build
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npx quartz plugin add github:quartz-community/breadcrumbs
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```
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## Usage in Quartz
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Install your plugin into a Quartz site and register it in `quartz.config.ts`:
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## Usage
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```ts
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import {
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ExampleTransformer,
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ExampleFilter,
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ExampleEmitter,
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} from "@quartz-community/plugin-template";
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// quartz.layout.ts
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import * as Plugin from "./.quartz/plugins";
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export default {
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configuration: {
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pageTitle: "My Garden",
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},
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plugins: {
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transformers: [ExampleTransformer({ highlightToken: "==" })],
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filters: [ExampleFilter({ allowDrafts: false })],
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emitters: [ExampleEmitter({ manifestSlug: "plugin-manifest" })],
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},
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};
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// Add to your layout
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Plugin.Breadcrumbs(); // in the appropriate layout section
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```
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## Plugin factory pattern (Astro-style)
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## Configuration
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Quartz plugins are factory functions that return an object with a `name` and hook implementations.
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This mirrors Astro's integration pattern (a function returning an object of hooks), which makes
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composition and configuration explicit and predictable.
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| Option | Type | Default | Description |
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| ------------------------- | --------- | -------- | --------------------------------------------------------------- |
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| `spacerSymbol` | `string` | `"❯"` | The symbol used to separate breadcrumb items. |
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| `rootName` | `string` | `"Home"` | The name of the root item in the breadcrumbs. |
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| `resolveFrontmatterTitle` | `boolean` | `true` | Whether to use the title from frontmatter for breadcrumb items. |
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| `showCurrentPage` | `boolean` | `true` | Whether to show the current page in the breadcrumbs. |
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```ts
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import type { QuartzTransformerPlugin } from "@jackyzha0/quartz/plugins/types";
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## Documentation
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export const MyTransformer: QuartzTransformerPlugin<{ enabled: boolean }> = (opts) => {
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return {
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name: "MyTransformer",
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markdownPlugins() {
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return [];
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},
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};
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};
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```
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## Examples included
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### Transformer
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`ExampleTransformer` shows how to:
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- apply a custom remark plugin
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- run a rehype plugin
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- inject CSS/JS resources
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- perform a text transform hook
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```ts
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import { ExampleTransformer } from "@quartz-community/plugin-template";
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ExampleTransformer({
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highlightToken: "==",
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headingClass: "example-plugin-heading",
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enableGfm: true,
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addHeadingSlugs: true,
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});
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```
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The transformer uses a custom remark plugin to convert `==highlight==` into bold text and a rehype
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plugin to attach a class to all headings. It also injects a small inline CSS/JS snippet.
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### Filter
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`ExampleFilter` demonstrates frontmatter-driven filtering:
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```ts
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ExampleFilter({
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allowDrafts: false,
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excludeTags: ["private", "wip"],
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excludePathPrefixes: ["_drafts/", "_private/"],
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});
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```
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### Emitter
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`ExampleEmitter` emits a JSON manifest of all pages:
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```ts
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ExampleEmitter({
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manifestSlug: "plugin-manifest",
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includeFrontmatter: true,
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metadata: { project: "My Garden" },
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transformManifest: (json) => json.replace("My Garden", "Quartz"),
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});
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```
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## API reference
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### `ExampleTransformer(options)`
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| Option | Type | Default | Description |
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| ----------------- | --------- | -------------------------- | ----------------------------- |
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| `highlightToken` | `string` | `"=="` | Token used to highlight text. |
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| `headingClass` | `string` | `"example-plugin-heading"` | Class added to headings. |
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| `enableGfm` | `boolean` | `true` | Enables `remark-gfm`. |
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| `addHeadingSlugs` | `boolean` | `true` | Enables `rehype-slug`. |
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### `ExampleFilter(options)`
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| Option | Type | Default | Description |
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| --------------------- | ---------- | --------------------------- | ------------------------- |
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| `allowDrafts` | `boolean` | `false` | Publish draft pages. |
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| `excludeTags` | `string[]` | `["private"]` | Tags to exclude. |
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| `excludePathPrefixes` | `string[]` | `["_drafts/", "_private/"]` | Path prefixes to exclude. |
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### `ExampleEmitter(options)`
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| Option | Type | Default | Description |
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| --------------------- | -------------------------- | ----------------------------------------- | ----------------------------------------- |
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| `manifestSlug` | `string` | `"plugin-manifest"` | Output filename (without extension). |
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| `includeFrontmatter` | `boolean` | `true` | Include frontmatter in output. |
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| `metadata` | `Record<string, unknown>` | `{ generator: "Quartz Plugin Template" }` | Extra metadata in manifest. |
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| `transformManifest` | `(json: string) => string` | `undefined` | Custom transformer for emitted JSON. |
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| `manifestScriptClass` | `string` | `undefined` | Optional CSS class if rendered into HTML. |
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## Testing
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```bash
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npm test
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```
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## Build and lint
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```bash
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npm run build
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npm run lint
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npm run format
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```
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## Publishing
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Tags matching `v*` trigger the GitHub Actions publish workflow. Ensure `NPM_TOKEN` is set in the
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repository secrets.
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See the [Quartz documentation](https://quartz.jzhao.xyz/) for more information.
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## License
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