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docs: migrate to nuxt compatibility 4
This commit is contained in:
Benjamin Canac
@@ -1,470 +0,0 @@
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---
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description: 'Learn how to customize the look and feel of the components.'
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---
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This module relies on Nuxt [App Config](https://nuxt.com/docs/guide/directory-structure/app-config#app-config-file) file to customize the look and feel of the components at runtime with HMR (hot-module-replacement).
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## Colors
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### Configuration
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Components are based on a `primary` and a `gray` color. You can change them in your `app.config.ts`.
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```ts [app.config.ts]
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export default defineAppConfig({
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ui: {
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primary: 'green',
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gray: 'cool'
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}
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})
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```
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::callout{icon="i-heroicons-light-bulb"}
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Try to change the `primary` and `gray` colors by clicking on the :u-icon{name="i-heroicons-swatch-20-solid" class="w-4 h-4 align-middle text-primary-500 dark:text-primary-400"} button in the header.
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::
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As this module uses Tailwind CSS under the hood, you can use any of the [Tailwind CSS colors](https://tailwindcss.com/docs/customizing-colors#color-palette-reference) or your own custom colors. By default, the `primary` color is `green` and the `gray` color is `cool`.
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When [using custom colors](https://tailwindcss.com/docs/customizing-colors#using-custom-colors) or [adding additional colors](https://tailwindcss.com/docs/customizing-colors#adding-additional-colors) through the `extend` key in your `tailwind.config.ts`, you'll need to make sure to define all the shades from `50` to `950` as most of them are used in the components config defined in [`ui.config/`](https://github.com/nuxt/ui/tree/dev/src/runtime/ui.config) directory. You can [generate your colors](https://tailwindcss.com/docs/customizing-colors#generating-colors) using tools such as https://uicolors.app/ for example.
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```ts [tailwind.config.ts]
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import type { Config } from 'tailwindcss'
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import defaultTheme from 'tailwindcss/defaultTheme'
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export default <Partial<Config>>{
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theme: {
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extend: {
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colors: {
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green: {
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50: '#EFFDF5',
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100: '#D9FBE8',
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200: '#B3F5D1',
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300: '#75EDAE',
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400: '#00DC82',
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500: '#00C16A',
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600: '#00A155',
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700: '#007F45',
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800: '#016538',
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900: '#0A5331',
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950: '#052e16'
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}
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}
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}
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}
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}
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```
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### CSS Variables
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To provide dynamic colors that can be changed at runtime, this module uses CSS variables. As Tailwind CSS already has a `gray` color, the module automatically renames it to `cool` to avoid conflicts (`coolGray` was renamed to `gray` when Tailwind CSS v3.0 was released).
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Likewise, you can't define a `primary` color in your `tailwind.config.ts` as it would conflict with the `primary` color defined by the module.
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::callout{icon="i-heroicons-light-bulb"}
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We'd advise you to use those colors in your components and pages, e.g. `text-primary-500 dark:text-primary-400`, `bg-gray-100 dark:bg-gray-900`, etc. so your app automatically adapts when changing your `app.config.ts`.
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::
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The `primary` color also has a `DEFAULT` shade that changes based on the theme. It is `500` in light mode and `400` in dark mode. You can use as a shortcut in your components and pages, e.g. `text-primary`, `bg-primary`, `focus-visible:ring-primary`, etc.
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### Smart Safelisting
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Components having a `color` prop like [Avatar](/components/avatar#chip), [Badge](/components/badge#style), [Button](/components/button#style), [Input](/components/input#style) (inherited in [Select](/components/select) and [SelectMenu](/components/select-menu)), [RadioGroup](/components/radio-group), [Checkbox](/components/checkbox), [Toggle](/components/toggle), [Range](/components/range) and [Notification](/components/notification#timeout) will use the `primary` color by default but will handle all the colors defined in your `tailwind.config.ts` or the default Tailwind CSS colors.
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Variant classes of those components are defined with a syntax like `bg-{color}-500 dark:bg-{color}-400` so they can be used with any color. However, this means that Tailwind will not find those classes and therefore will not generate the corresponding CSS.
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The module uses the [Tailwind CSS safelist](https://tailwindcss.com/docs/content-configuration#safelisting-classes) feature to force the generation of all the classes for the `primary` color **only** as it is the default color for all the components.
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Then, the module will automatically detect when you use one of those components with a color and will safelist it for you. This means that if you use a `red` color for a Button component, the `red` color classes will be safelisted for the Button component only. This will allow to keep the CSS bundle size as small as possible.
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There is one case where you would want to force the safelisting of a color. For example, if you've set the default color of the Button component to `orange` in your `app.config.ts`.
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```ts [app.config.ts]
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export default defineAppConfig({
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ui: {
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button: {
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default: {
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color: 'orange'
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}
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}
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}
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})
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```
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This will apply the orange color when using a default `<UButton />`. You'll need to safelist this color manually in your `nuxt.config.ts` ui options as we won't be able to detect it automatically. You can do so through the `safelistColors` option which defaults to `['primary']`.
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```ts [nuxt.config.ts]
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export default defineNuxtConfig({
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ui: {
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safelistColors: ['orange']
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}
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})
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```
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This can also happen when you bind a dynamic color to a component: `<UBadge :color="color" />`, `<UAvatar :chip-color="statuses[user.status]" />`, etc. In this case, you'll need to safelist the possible color values manually as well.
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## Components
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### `app.config.ts`
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You can find the config of each component in the [`ui.config/`](https://github.com/nuxt/ui/tree/dev/src/runtime/ui.config) directory. You can override those classes in your own `app.config.ts`.
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```ts [app.config.ts]
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export default defineAppConfig({
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ui: {
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container: {
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constrained: 'max-w-5xl'
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}
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}
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})
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```
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Thanks to [tailwind-merge](https://github.com/dcastil/tailwind-merge), the `app.config.ts` is smartly merged with the default config. This means you don't have to rewrite everything.
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You can change this behavior by setting `strategy` to `override` in your `app.config.ts`:
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```ts [app.config.ts]
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export default defineAppConfig({
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ui: {
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strategy: 'override',
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button: {
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color: {
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white: {
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solid: 'bg-white dark:bg-gray-900'
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}
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}
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}
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}
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})
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```
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### `ui` prop
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Each component has a `ui` prop that allows you to customize everything specifically.
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```vue
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<template>
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<UContainer :ui="{ constrained: 'max-w-2xl' }">
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<slot />
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</UContainer>
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</template>
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```
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::callout{icon="i-heroicons-light-bulb"}
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You can find the default classes for each component under the `Config` section.
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::
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Thanks to [tailwind-merge](https://github.com/dcastil/tailwind-merge), the `ui` prop is smartly merged with the config. This means you don't have to rewrite everything.
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For example, the default preset of the `FormGroup` component looks like this:
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```json
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{
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"label": {
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"base": "block font-medium text-gray-700 dark:text-gray-200"
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}
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}
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```
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To change the font of the `label`, you only need to write:
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```vue
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<UFormGroup name="email" label="Email" :ui="{ label: { base: 'font-semibold' } }" />
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```
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This will smartly replace the `font-medium` by `font-semibold` and prevent any class duplication and any class priority issue.
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You can change this behavior by setting `strategy` to `override` inside the `ui` prop:
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```vue
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<UButton
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to="https://github.com/nuxt/ui"
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:ui="{
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strategy: 'override',
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color: {
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white: {
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solid: 'bg-white dark:bg-gray-900'
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}
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}
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}"
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/>
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```
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### `class` attribute
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You can also use the `class` attribute to add classes to the component.
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```vue
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<template>
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<UButton label="Button" class="rounded-full" />
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</template>
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```
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Again, with [tailwind-merge](https://github.com/dcastil/tailwind-merge), this will smartly merge the classes with the `ui` prop and the config.
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### Default values
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Some component props like `size`, `color`, `variant`, etc. have a default value that you can override in your `app.config.ts`.
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```ts [app.config.ts]
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export default defineAppConfig({
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ui: {
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button: {
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default: {
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size: 'md',
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color: 'gray',
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variant: 'ghost'
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}
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}
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}
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})
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```
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## Dark mode
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All the components are styled with dark mode in mind.
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Thanks to [Tailwind CSS dark mode](https://tailwindcss.com/docs/dark-mode#toggling-dark-mode-manually) class strategy and the [@nuxtjs/color-mode](https://github.com/nuxt-modules/color-mode) module, you literally have nothing to do.
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You can disable dark mode by setting the `preference` to `light` instead of `system` in your `nuxt.config.ts`.
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```ts [nuxt.config.ts]
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export default defineNuxtConfig({
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colorMode: {
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preference: 'light'
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}
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})
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```
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::callout{icon="i-heroicons-light-bulb"}
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If you're stuck in dark mode even after changing this setting, you might need to remove the `nuxt-color-mode` entry from your browser's local storage.
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::
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You can easily build a color mode button by using the `useColorMode` composable from `@nuxtjs/color-mode`.
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::component-example
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#default
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:color-mode-button
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#code
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```vue
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<script setup lang="ts">
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const colorMode = useColorMode()
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const isDark = computed({
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get () {
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return colorMode.value === 'dark'
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},
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set () {
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colorMode.preference = colorMode.value === 'dark' ? 'light' : 'dark'
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}
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})
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</script>
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<template>
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<ClientOnly>
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<UButton
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:icon="isDark ? 'i-heroicons-moon-20-solid' : 'i-heroicons-sun-20-solid'"
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color="gray"
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variant="ghost"
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aria-label="Theme"
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@click="isDark = !isDark"
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/>
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<template #fallback>
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<div class="w-8 h-8" />
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</template>
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</ClientOnly>
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</template>
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```
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::
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## Icons
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You can use any icon (100,000+) from [Iconify](https://iconify.design/).
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Some components have an `icon` prop that allows you to add an icon to the component.
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```vue
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<template>
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<UButton icon="i-heroicons-magnifying-glass" />
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</template>
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```
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You can also use the [Icon](/components/icon) component to add an icon anywhere in your app by following this pattern: `i-{collection_name}-{icon_name}`.
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```vue
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<template>
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<UIcon name="i-heroicons-moon" />
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</template>
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```
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### Collections
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By default, the module uses [Heroicons](https://heroicons.com/) but you can change it from the module options in your `nuxt.config.ts`.
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```ts [nuxt.config.ts]
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export default defineNuxtConfig({
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ui: {
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icons: ['mdi', 'simple-icons']
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}
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})
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```
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::callout{icon="i-heroicons-light-bulb"}
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Search the icon you want to use on https://icones.js.org built by [@antfu](https://github.com/antfu).
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::
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Thanks to [@egoist/tailwindcss-icons](https://github.com/egoist/tailwindcss-icons) plugin, only the icons you use in your app will be bundled in your CSS. However, you need to install the icon collections you specified in the `ui.icons` key:
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::code-group
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```bash [pnpm]
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pnpm i @iconify-json/{collection_name}
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```
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```bash [yarn]
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yarn add @iconify-json/{collection_name}
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```
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```bash [npm]
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npm install @iconify-json/{collection_name}
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```
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::
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If you choose to use the full `@iconify/json` icon collection (50MB), you can specifiy `icons: 'all'` or `icons: {}` in your `nuxt.config.ts` to use any icon in your app.
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```ts [nuxt.config.ts]
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export default defineNuxtConfig({
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ui: {
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icons: {}
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}
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})
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```
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### Custom config
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If you have specific needs, like using a custom icon collection, you can use the `icons` option in your `nuxt.config.ts` as an object to override the config of the [@egoist/tailwindcss-icons](https://github.com/egoist/tailwindcss-icons#plugin-options) plugin.
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```ts [nuxt.config.ts]
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import { getIconCollections } from '@egoist/tailwindcss-icons'
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export default defineNuxtConfig({
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ui: {
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icons: {
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// might solve stretch bug on generate, see https://github.com/egoist/tailwindcss-icons/issues/23
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extraProperties: {
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'mask-size': 'contain',
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'mask-position': 'center'
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},
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collections: {
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foo: {
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icons: {
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'arrow-left': {
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// svg body
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body: '<path fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" d="M10.5 19.5L3 12m0 0l7.5-7.5M3 12h18" />',
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// svg width and height, optional
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width: 24,
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height: 24
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}
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}
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},
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...getIconCollections(['heroicons', 'simple-icons'])
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}
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}
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}
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})
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```
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### Dynamic icons
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The `Icon` component also has a `dynamic` prop to use the [nuxt-icon](https://github.com/nuxt-modules/icon/) module instead of the [@egoist/tailwindcss-icons](https://github.com/egoist/tailwindcss-icons#plugin-options) plugin.
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Read more about this in the [Icon](/components/icon#dynamic) component page.
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### Defaults
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You can easily replace all the default icons of the components in your `app.config.ts`.
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```ts [app.config.ts]
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export default defineAppConfig({
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ui: {
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button: {
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default: {
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loadingIcon: 'i-octicon-sync-24'
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}
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},
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input: {
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default: {
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loadingIcon: 'i-octicon-sync-24'
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}
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},
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select: {
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default: {
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loadingIcon: 'i-octicon-sync-24',
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trailingIcon: 'i-octicon-chevron-down-24'
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}
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},
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selectMenu: {
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default: {
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selectedIcon: 'i-octicon-check-24'
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}
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},
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notification: {
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default: {
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closeButton: {
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icon: 'i-octicon-x-24'
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}
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}
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},
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commandPalette: {
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default: {
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icon: 'i-octicon-search-24',
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loadingIcon: 'i-octicon-sync-24',
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selectedIcon: 'i-octicon-check-24',
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emptyState: {
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icon: 'i-octicon-search-24'
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}
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}
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},
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table: {
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default: {
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sortAscIcon: 'i-octicon-sort-asc-24',
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sortDescIcon: 'i-octicon-sort-desc-24',
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sortButton: {
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icon: 'i-octicon-arrow-switch-24'
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},
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loadingState: {
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icon: 'i-octicon-sync-24'
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},
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emptyState: {
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icon: 'i-octicon-database-24'
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}
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}
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},
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pagination: {
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default: {
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firstButton: {
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icon: 'i-octicon-chevron-left-24'
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},
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prevButton: {
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icon: 'i-octicon-arrow-left-24'
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},
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nextButton: {
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icon: 'i-octicon-arrow-right-24'
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},
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lastButton: {
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icon: 'i-octicon-chevron-right-24'
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}
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}
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},
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accordion: {
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default: {
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openIcon: 'i-octicon-chevron-down-24'
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}
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},
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breadcrumb: {
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default: {
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divider: 'i-octicon-chevron-right-24'
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}
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}
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}
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})
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```
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Reference in New Issue
Block a user