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@unocss/preset-mini

The minimal preset for UnoCSS.

Installation

npm i -D @unocss/preset-mini

import presetMini from '@unocss/preset-mini'

Unocss({
  presets: [
    presetMini(),
  ],
})

Features

Dark Mode

By default, this preset generates class based dark mode with dark: variant.

<div class="dark:bg-red:10" />

will generate:

.dark .dark\:bg-red\:10 {
  background-color: rgba(248, 113, 113, 0.1);
}

To opt-in media query based dark mode, you can use @dark: variant:

<div class="@dark:bg-red:10" />

@media (prefers-color-scheme: dark) {
  .\@dark\:bg-red\:10 {
    background-color: rgba(248, 113, 113, 0.1);
  }
}

Or set globally with the config for dark: variant

presetMini({
  dark: 'media'
})

CSS @layer

CSS's native @layer is supported with variant layer-xx:

<div class="layer-foo:p4" />
<div class="layer-bar:m4" />

will generate:

@layer foo {
  .layer-foo\:p4 {
    padding: 1rem;
  }
}
@layer bar {
  .layer-bar\:m4 {
    margin: 1rem;
  }
}

Theme

You can fully customize your theme property in your config, and UnoCSS will eventually deeply merge it to the default theme.

presetMini({
  theme: {
    // ...
    colors: {
      'veryCool': '#0000ff', // class="text-very-cool"
      'brand': {
        'primary': 'hsla(var(--hue, 217), 78%, 51%)', //class="bg-brand-primary"
      }
    },
  }
})

To consume the theme in rules:

rules: [
  [/^text-(.*)$/, ([, c], { theme }) => {
    if (theme.colors[c])
      return { color: theme.colors[c] }
  }],
]

One exception is that UnoCSS gives full control of breakpoints to users. When a custom breakpoints is provided, the default will be overridden instead of merging. For example:

presetMini({
  theme: {
    // ...
    breakpoints: {
      sm: '320px',
      md: '640px',
    },
  },
})

Right now, you can only use the sm: and md: breakpoint variants.

verticalBreakpoints is same as breakpoints but for vertical layout.

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