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https://github.com/jonambas/panda-plugin-crv

🐼 A Panda CSS plugin for responsive variants
https://github.com/jonambas/panda-plugin-crv

cva panda pandacss plugin responsive

Last synced: 3 months ago
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🐼 A Panda CSS plugin for responsive variants

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README

        

# panda-plugin-crv

A [Panda CSS](https://panda-css.com) plugin for responsive `cva` variants. This plugin allows you to to use Panda's responsive syntax, without config recipes, such as:

```tsx

```

---

### Installation

```sh
npm i panda-plugin-crv
```

```ts
// panda.config.ts

import { defineConfig } from '@pandacss/dev';
import { pluginResponsiveVariants } from 'panda-plugin-crv';

export default defineConfig({
plugins: [pluginResponsiveVariants()],
});
```

---

### Usage

This plugin removes the boilerplate required to build responsive variants within `cva`. This allows you to (1) co-locate variants near your components instead of in Panda's config, and (2) generate atomic class names.

Example component styles:

```tsx
import { crv, cva } from '@/styled-system/css';

const styles = cva({
variants: {
// Create responsive variants
...crv('variant', {
primary: { bg: 'blue.500' },
secondary: { bg: 'gray.500' },
destructive: { bg: 'red.500' },
}),
},
});
```

This plugins ships two helpers to parse responsive variants in your components.

- `ResponsiveVariant` – creates appropriate types, with your theme's breakpoints
- `splitResponsiveVariant` – translates the incoming responsive object into variants generated by `crv`

```tsx
import {
splitResponsiveVariant,
type ResponsiveVariant,
} from '@/styled-system/css';

type ComponentProps = PropsWithChildren<{
variant?: ResponsiveVariant<'primary' | 'secondary' | 'destructive'>;
}>;

const Component: FC = (props) => {
const { children, variant = 'secondary' } = props;
const variants = splitResponsiveVariant('variant', variant);

return

{children}
;
};
```

Using your component will look like this:

```tsx

```

---

### Compound Variants (experimental)

This plugin supports responsive compound variants, through the `ccv` function.

```tsx
import { ccv, crv, cva } from '@/styled-system/css';

const styles = cva({
variants: {
...crv('variant1', {
primary: { bg: 'blue.500' },
secondary: { bg: 'gray.500' },
destructive: { bg: 'red.500' },
}),
...crv('variant2', {
true: { opacity: 1 },
false: { opacity: 0 },
}),
},
compoundVariants: [
// Create compound variants
...ccv({
variant1: 'primary',
variant2: true,
css: {
color: 'green.500',
},
}),
],
});
```

The above code will render `"green.500"` if `variant1` is `"primary"` and if `variant2` is `true`

```tsx

// -> opacity_1 bg_blue.500 text_green.500

// -> opacity_0 lg:opacity_1 lg:bg_blue.500 bg_gray.500 lg:text_green.500
```

**Note**: Compound variants with `ccv` don't infer a variants' value unless the same keys are specified for all variants used in the compound variant. For example:

```tsx
// ✅ `md` is specified on both

// ⛔️ `variant1` at `md` is inferred, this won't work

```

---

### Should I use this plugin?

This plugin solves a specific use case that Panda's config recipes and atomic (cva) recipes do not cover. Generally, if you maintain a component library, and need to support **responsive variants**, with **responsive compound variants**, this plugin is for you.

See Panda's documenation on [config recipes vs. atomic recipes (cva)](https://panda-css.com/docs/concepts/recipes#should-i-use-atomic-or-config-recipes-).

| | config | cva | cva + crv |
| ----------------------------------- | ------ | --- | --------- |
| Theme tokens, utilities, conditions | ✅ | ✅ | ✅ |
| Generated JIT | ✅ | ❌ | ❌ |
| Preset sharing | ✅ | ❌ | ❌ |
| Colocation | ❌ | ✅ | ✅ |
| Atomic classes | ❌ | ✅ | ✅ |
| Can be composed at runtime | ❌ | ✅ | ✅ |
| Responsive variants | ✅ | ❌ | ✅ |
| Responsive compound variants | ❌ | ❌ | ✅ |

### Current Limitations

- The plugin generates variants for all breakpoints defined in your theme, and does not include Panda's generated breakpoints, such as `mdDown`, `mdOnly`, `mdToLg`.
- There is currently no way to limit or pick which breakpoints you wish to generate.