Extend Component Documentation

.config/.syncpackrc

@@ -6,6 +6,7 @@
     {
       "label": "Use `workspace:*` protocol for local packages",
       "packages": [
+        "root",
         "docs-*",
         "cva",
         "class-variance-authority",
@@ -21,19 +22,31 @@
       "pinVersion": "workspace:*"
     },
     {
-      "label": "Use `latest` for examples",
+      "label": "Use `latest` for `latest` examples",
       "packages": [
         "example-*"
       ],
       "dependencies": [
-        "cva",
         "class-variance-authority"
       ],
       "dependencyTypes": [
         "!local"
       ],
       "pinVersion": "latest"
     },
+    {
+      "label": "Use `beta` for `beta` examples",
+      "packages": [
+        "example-*"
+      ],
+      "dependencies": [
+        "cva"
+      ],
+      "dependencyTypes": [
+        "!local"
+      ],
+      "pinVersion": "beta"
+    },
     {
       "label": "Keep all other dependencies in sync",
       "packages": [

docs/beta/astro.config.ts

@@ -18,7 +18,7 @@ const config = {
 export default defineConfig({
   site,
   output: "static",
-  adapter: vercel({ analytics: false }),
+  adapter: vercel(),
   integrations: [
     starlight({
       ...config,
@@ -41,6 +41,10 @@ export default defineConfig({
             { label: "What's New?", link: "/getting-started/whats-new" },
             { label: "Installation", link: "/getting-started/installation" },
             { label: "Variants", link: "/getting-started/variants" },
+            {
+              label: "Compound Components",
+              link: "/getting-started/compound-components",
+            },
             {
               label: "Extending Components",
               link: "/getting-started/extending-components",
@@ -49,12 +53,48 @@ export default defineConfig({
               label: "Composing Components",
               link: "/getting-started/composing-components",
             },
+            {
+              label: "Polymorphism",
+              link: "/getting-started/polymorphism",
+            },
             { label: "TypeScript", link: "/getting-started/typescript" },
           ],
         },
         {
-          label: "Examples ↗",
-          link: "https://cva.style/docs/examples/astro",
+          label: "Examples",
+          items: [
+            {
+              label: "11ty",
+              link: "/examples/11ty",
+            },
+            {
+              label: "Astro",
+              link: "/examples/astro",
+            },
+            {
+              label: "BEM",
+              link: "/examples/bem",
+            },
+            {
+              label: "React",
+              items: [
+                { label: "CSS Modules", link: "/examples/react/css-modules" },
+                { label: "Tailwind CSS", link: "/examples/react/tailwindcss" },
+              ],
+            },
+            {
+              label: "Svelte",
+              link: "/examples/svelte",
+            },
+            {
+              label: "Vue",
+              link: "/examples/vue",
+            },
+            {
+              label: "Other Use Cases",
+              link: "/examples/other-use-cases",
+            },
+          ],
         },
         {
           label: "API Reference",

docs/beta/package.json

@@ -22,6 +22,7 @@
     "date-fns": "3.6.0",
     "sharp": "^0.33.2",
     "tailwindcss": "^3.4.3",
+    "tiny-invariant": "1.3.1",
     "typescript": "5.4.5"
   }
 }

docs/beta/src/components/stackblitz.astro

@@ -0,0 +1,25 @@
+---
+import invariant from "tiny-invariant";
+
+export interface Props {
+  dir?: string;
+  file?: string;
+}
+
+const branch = "main";
+
+const { dir, file } = Astro.props;
+
+invariant(dir, "No directory specified");
+invariant(file, "No file specified");
+---
+
+<div class="mt-4 block [&>*+*]:mt-4">
+  <a href={`https://github.com/joe-bell/cva/tree/${branch}/${dir}/${file}`}>
+    View on GitHub <span aria-label="External">↗</span>
+  </a>
+  <iframe
+    style={{ aspectRatio: 1 / 1, width: "100%" }}
+    src={`https://stackblitz.com/github/cva/tree/${branch}/${dir}?embed=1&file=${file}&hideNavigation=1&view=preview`}
+  ></iframe>
+</div>

examples/react-with-tailwindcss/src/components/button/button.tsx → docs/beta/src/content/docs/examples/11ty.mdx

@@ -1,6 +1,14 @@
-import React from "react";
-import { cva, type VariantProps } from "class-variance-authority";
+---
+title: 11ty
+---
 
+## Tailwind CSS
+
+```js
+// button.11ty.js
+const { cva } = require("class-variance-authority");
+
+// ⚠️ Disclaimer: Use of Tailwind CSS is optional
 const button = cva("button", {
   variants: {
     intent: {
@@ -29,13 +37,7 @@ const button = cva("button", {
   },
 });
 
-export interface ButtonProps
-  extends React.ButtonHTMLAttributes<HTMLButtonElement>,
-    VariantProps<typeof button> {}
-
-export const Button: React.FC<ButtonProps> = ({
-  className,
-  intent,
-  size,
-  ...props
-}) => <button className={button({ intent, size, className })} {...props} />;
+module.exports = function ({ label, intent, size }) {
+  return `<button class="${button({ intent, size })}">${label}</button>`;
+};
+```

docs/beta/src/content/docs/examples/astro.mdx

@@ -0,0 +1,12 @@
+---
+title: Astro
+---
+
+import StackBlitz from "../../../components/stackblitz.astro";
+
+## Tailwind CSS
+
+<StackBlitz
+  dir="examples/latest/astro-with-tailwindcss"
+  file="src/components/button.astro"
+/>

docs/beta/src/content/docs/examples/bem.mdx

@@ -0,0 +1,58 @@
+---
+title: BEM
+---
+
+```css
+/* styles.css */
+.button {
+  /* */
+}
+
+.button--primary {
+  /* */
+}
+.button--secondary {
+  /* */
+}
+
+.button--small {
+  /* */
+}
+.button--medium {
+  /* */
+}
+
+.button--primary-small {
+  /* */
+}
+```
+
+```ts
+import { cva } from "class-variance-authority";
+
+const button = cva("button", {
+  variants: {
+    intent: {
+      primary: "button--primary",
+      secondary: "button--secondary",
+    },
+    size: {
+      small: "button--small",
+      medium: "button--medium",
+    },
+  },
+  compoundVariants: [
+    { intent: "primary", size: "medium", class: "button--primary-small" },
+  ],
+  defaultVariants: {
+    intent: "primary",
+    size: "medium",
+  },
+});
+
+button();
+// => "button button--primary button--medium"
+
+button({ intent: "secondary", size: "small" });
+// => "button button--secondary button--small"
+```

docs/beta/src/content/docs/examples/other-use-cases.mdx

@@ -0,0 +1,27 @@
+---
+title: Other Use Cases
+---
+
+Although primarily designed for handling class names, at its core, `cva` is really just a fancy way of managing a string…
+
+## Dynamic Text Content
+
+```ts
+const greeter = cva("Good morning!", {
+  variants: {
+    isLoggedIn: {
+      true: "Here's a secret only logged in users can see",
+      false: "Log in to find out more…",
+    },
+  },
+  defaultVariants: {
+    isLoggedIn: "false",
+  },
+});
+
+greeter();
+// => "Good morning! Log in to find out more…"
+
+greeter({ isLoggedIn: "true" });
+// => "Good morning! Here's a secret only logged in users can see"
+```

docs/beta/src/content/docs/examples/react/css-modules.mdx

@@ -0,0 +1,10 @@
+---
+title: React with CSS Modules
+---
+
+import StackBlitz from "../../../../components/stackblitz.astro";
+
+<StackBlitz
+  dir="examples/beta/react-with-css-modules"
+  file="src/components/button/button.tsx"
+/>

docs/beta/src/content/docs/examples/react/tailwindcss.mdx

@@ -0,0 +1,19 @@
+---
+title: React with Tailwind CSS
+---
+
+import StackBlitz from "../../../../components/stackblitz.astro";
+
+## Basic Component
+
+<StackBlitz
+  dir="examples/beta/react-with-tailwindcss"
+  file="src/components/button/button.tsx"
+/>
+
+## Compound Components
+
+<StackBlitz
+  dir="examples/beta/react-with-tailwindcss-compound"
+  file="src/components/nav/nav.tsx"
+/>

docs/beta/src/content/docs/examples/svelte.mdx

@@ -0,0 +1,7 @@
+---
+title: Svelte
+---
+
+import StackBlitz from "../../../components/stackblitz.astro";
+
+<StackBlitz dir="examples/latest/svelte" file="src/components/button.svelte" />

docs/beta/src/content/docs/examples/vue.mdx

@@ -0,0 +1,7 @@
+---
+title: Vue
+---
+
+import StackBlitz from "../../../components/stackblitz.astro";
+
+<StackBlitz dir="examples/latest/vue" file="src/components/Button.vue" />

docs/beta/src/content/docs/getting-started/compound-components.mdx

@@ -0,0 +1,31 @@
+---
+title: Compound Components
+---
+
+For larger, more complex components, you may end up wanting to create a set of composable components that work together: "Compound Components"
+
+<details>
+<summary>e.g. <code>&lt;Accordion.Subcomponent /&gt;</code> instead of <code>&lt;Accordion /&gt;</code></summary>
+
+```tsx
+import * as Accordion from "./Accordion";
+
+function Example() {
+  return (
+    <Accordion.Root>
+      <Accordion.Item>
+        <Accordion.Header>Section 1</Accordion.Header>
+        <Accordion.Content>Content 1</Accordion.Content>
+      </Accordion.Item>
+    </Accordion.Root>
+  );
+}
+```
+
+</details>
+
+`cva` encourages you to build these compound components **with the power of CSS**; leverage the cascade, custom properties, `:has()` selectors, and more…
+
+## Examples
+
+- [React with Tailwind CSS (Compound Components)](../examples/react/tailwindcss#compound-components)

docs/beta/src/content/docs/getting-started/installation.mdx

@@ -133,11 +133,7 @@ You can enable autocompletion inside `cva` using the steps below:
 
 ### Handling Style Conflicts
 
-Although `cva`'s API is designed to help you avoid styling conflicts, there's still a small margin of error.
-
-If you're keen to lift that burden altogether, check out the wonderful [`tailwind-merge`](https://github.com/dcastil/tailwind-merge) package.
-
-For bulletproof components, extend `cva` with `twMerge`.
+If you want to merge Tailwind CSS classes without conflicts, you may wish to [roll-your-own `cva`](../api-reference#defineconfig) with the [`tailwind-merge`](https://github.com/dcastil/tailwind-merge) package:
 
 <details>