UIPackage

Theme Switch

React action
Edit on GitHub

Light / dark / system theme toggle — drop in the header. Seven visual variants: `cards`, `icons`, `icon-only`, `dropdown`, `pill`, `pill-4`, and `switch`. Persists choice to `localStorage` and respects `prefers-color-scheme` for `system`.

Also available for Vue ->

Installation

$ npx shadcn@latest add https://react.uipkge.dev/r/react/theme-switch.json

Or with the named registry: npx shadcn@latest add @uipkge-react/theme-switch

Examples

Props

Name Type / Values Default Required
value

Controlled value. When omitted, falls back to next-themes' `theme`.

Theme optional
onValueChange (theme: Theme) => void optional
variant Variant cards optional
title string optional
description string optional
className string optional

Dependencies

Used by

Files (2)

  • components/ui/theme-switch/theme-switch.tsx 9.7 kB
    'use client'
    
    import * as React from 'react'
    import { useTheme } from 'next-themes'
    import { ChevronDown, Monitor, Moon, Palette, Sparkles, Sun, type LucideIcon } from 'lucide-react'
    import { SectionCard } from '@/components/ui/section-card'
    import {
      DropdownMenu,
      DropdownMenuContent,
      DropdownMenuItem,
      DropdownMenuTrigger,
    } from '@/components/ui/dropdown-menu'
    
    type Theme = 'light' | 'dark' | 'system' | 'black'
    type Variant = 'cards' | 'icons' | 'icon-only' | 'dropdown' | 'pill' | 'pill-4' | 'switch'
    
    const ICONS: Record<Theme, LucideIcon> = {
      light: Sun,
      dark: Moon,
      system: Monitor,
      black: Sparkles,
    }
    
    const LABELS: Record<Theme, string> = {
      light: 'Light',
      dark: 'Dark',
      system: 'System',
      black: 'Black',
    }
    
    const VARIANT_OPTIONS: Record<Variant, Theme[]> = {
      cards: ['light', 'dark', 'system'],
      icons: ['light', 'dark', 'system'],
      'icon-only': ['light', 'dark'],
      dropdown: ['light', 'dark', 'system'],
      pill: ['light', 'dark', 'system'],
      'pill-4': ['system', 'light', 'dark', 'black'],
      switch: ['light', 'dark'],
    }
    
    export interface ThemeSwitchProps {
      /** Controlled value. When omitted, falls back to next-themes' `theme`. */
      value?: Theme
      onValueChange?: (theme: Theme) => void
      variant?: Variant
      title?: string
      description?: string
      className?: string
    }
    
    const ThemeSwitch = React.forwardRef<HTMLDivElement, ThemeSwitchProps>(
      ({ value, onValueChange, variant = 'cards', title, description, className }, ref) => {
        const { theme, setTheme } = useTheme()
        const modelValue = (value ?? (theme as Theme) ?? 'system') as Theme
    
        const options = VARIANT_OPTIONS[variant]
        const activeIndex = React.useMemo(() => {
          const i = options.indexOf(modelValue)
          return i === -1 ? 0 : i
        }, [options, modelValue])
    
        const indicatorStyle: React.CSSProperties = {
          width: `calc((100% - 4px) / ${options.length})`,
          transform: `translateX(calc(${activeIndex} * 100%))`,
        }
    
        function set(t: Theme) {
          if (onValueChange) onValueChange(t)
          else setTheme(t)
        }
        function cycle() {
          const next = options[(activeIndex + 1) % options.length]
          if (next) set(next)
        }
    
        // Cards: full SectionCard with 3-button grid (default)
        if (variant === 'cards') {
          return (
            <SectionCard
              ref={ref}
              title={title ?? 'Appearance'}
              description={description ?? 'Choose your interface theme.'}
              className={className}
              headerAction={<Palette className="text-muted-foreground size-5" />}
            >
              <div className="grid grid-cols-3 gap-2">
                {options.map((t) => {
                  const Icon = ICONS[t]
                  return (
                    <button
                      type="button"
                      key={t}
                      className={[
                        'focus-visible:ring-ring rounded-md border p-3 text-left transition focus:outline-none focus-visible:ring-2 focus-visible:outline-none',
                        modelValue === t
                          ? 'border-primary ring-primary bg-primary/5 ring-1'
                          : 'border-border hover:bg-muted/50',
                      ].join(' ')}
                      onClick={() => set(t)}
                    >
                      <Icon className="text-muted-foreground mb-2 size-4" aria-hidden="true" />
                      <p className="text-xs font-medium">{LABELS[t]}</p>
                    </button>
                  )
                })}
              </div>
            </SectionCard>
          )
        }
    
        // Icons: compact 3-icon segmented row, no labels
        if (variant === 'icons') {
          return (
            <div
              ref={ref}
              role="radiogroup"
              aria-label={title ?? 'Theme'}
              className={['border-border bg-card inline-flex items-center gap-0.5 rounded-md border p-0.5', className]
                .filter(Boolean)
                .join(' ')}
            >
              {options.map((t) => {
                const Icon = ICONS[t]
                return (
                  <button
                    type="button"
                    key={t}
                    role="radio"
                    aria-checked={modelValue === t}
                    aria-label={LABELS[t]}
                    className={[
                      'focus-visible:ring-ring grid size-7 place-items-center rounded transition-colors focus-visible:ring-2 focus-visible:outline-none',
                      modelValue === t
                        ? 'bg-primary text-primary-foreground'
                        : 'text-muted-foreground hover:bg-muted hover:text-foreground',
                    ].join(' ')}
                    onClick={() => set(t)}
                  >
                    <Icon className="size-4" aria-hidden="true" />
                  </button>
                )
              })}
            </div>
          )
        }
    
        // Icon-only: header-grade icon button.
        if (variant === 'icon-only') {
          const Icon = ICONS[modelValue]
          return (
            <button
              type="button"
              ref={ref as React.Ref<HTMLButtonElement>}
              aria-label={LABELS[modelValue]}
              className={[
                'text-muted-foreground hover:text-foreground hover:bg-accent focus-visible:ring-ring inline-flex size-8 items-center justify-center rounded-lg transition-colors focus-visible:ring-2 focus-visible:outline-none',
                className,
              ]
                .filter(Boolean)
                .join(' ')}
              onClick={cycle}
            >
              <Icon className="size-4" aria-hidden="true" />
            </button>
          )
        }
    
        // Dropdown: trigger button → menu of states
        if (variant === 'dropdown') {
          const TriggerIcon = ICONS[modelValue]
          return (
            <DropdownMenu>
              <DropdownMenuTrigger asChild>
                <button
                  type="button"
                  className={[
                    'border-border bg-card hover:bg-muted focus-visible:ring-ring inline-flex h-9 items-center gap-2 rounded-md border px-3 text-sm transition focus-visible:ring-2 focus-visible:outline-none',
                    className,
                  ]
                    .filter(Boolean)
                    .join(' ')}
                >
                  <TriggerIcon className="size-4" aria-hidden="true" />
                  <span>{LABELS[modelValue]}</span>
                  <ChevronDown className="size-3 opacity-60" aria-hidden="true" />
                </button>
              </DropdownMenuTrigger>
              <DropdownMenuContent align="end" className="min-w-[140px]">
                {options.map((t) => {
                  const Icon = ICONS[t]
                  return (
                    <DropdownMenuItem key={t} onClick={() => set(t)}>
                      <Icon className="mr-2 size-4" aria-hidden="true" />
                      <span>{LABELS[t]}</span>
                    </DropdownMenuItem>
                  )
                })}
              </DropdownMenuContent>
            </DropdownMenu>
          )
        }
    
        // Pill / Pill-4: equal segments with sliding indicator
        if (variant === 'pill' || variant === 'pill-4') {
          return (
            <div
              ref={ref}
              role="radiogroup"
              aria-label={title ?? 'Theme'}
              className={['border-border bg-card relative inline-flex w-full max-w-md rounded-full border p-0.5', className]
                .filter(Boolean)
                .join(' ')}
            >
              <span
                aria-hidden
                className="bg-primary pointer-events-none absolute top-0.5 bottom-0.5 left-0.5 rounded-full transition-transform duration-300 ease-out"
                style={indicatorStyle}
              />
              {options.map((t) => {
                const Icon = ICONS[t]
                return (
                  <button
                    type="button"
                    key={t}
                    role="radio"
                    aria-checked={modelValue === t}
                    aria-label={LABELS[t]}
                    className={[
                      'focus-visible:ring-ring relative z-[1] inline-flex h-7 flex-1 items-center justify-center gap-1.5 rounded-full px-3 text-xs font-medium transition-colors focus-visible:ring-2 focus-visible:outline-none',
                      modelValue === t ? 'text-primary-foreground' : 'text-muted-foreground hover:text-foreground',
                    ].join(' ')}
                    onClick={() => set(t)}
                  >
                    <Icon className="size-3.5" aria-hidden="true" />
                    <span>{LABELS[t]}</span>
                  </button>
                )
              })}
            </div>
          )
        }
    
        // Switch: iOS-style 2-state toggle with thumb that slides
        return (
          <button
            type="button"
            ref={ref as React.Ref<HTMLButtonElement>}
            role="switch"
            aria-checked={modelValue === 'dark'}
            aria-label={LABELS[modelValue]}
            className={[
              'border-border focus-visible:ring-ring relative inline-flex h-8 w-16 items-center rounded-full border transition-colors focus-visible:ring-2 focus-visible:outline-none',
              modelValue === 'dark' ? 'bg-zinc-900' : 'bg-amber-100',
              className,
            ]
              .filter(Boolean)
              .join(' ')}
            onClick={() => set(modelValue === 'dark' ? 'light' : 'dark')}
          >
            <Sun
              className={[
                'absolute left-1.5 size-4 text-amber-500 transition-opacity',
                modelValue === 'dark' ? 'opacity-30' : 'opacity-100',
              ].join(' ')}
              aria-hidden="true"
            />
            <Moon
              className={[
                'absolute right-1.5 size-4 text-zinc-300 transition-opacity',
                modelValue === 'light' ? 'opacity-30' : 'opacity-100',
              ].join(' ')}
              aria-hidden="true"
            />
            <span
              aria-hidden
              className="bg-card border-border absolute size-6 rounded-full border shadow transition-transform duration-300 ease-out"
              style={{ transform: `translateX(${modelValue === 'dark' ? '36px' : '4px'})` }}
            />
          </button>
        )
      },
    )
    ThemeSwitch.displayName = 'ThemeSwitch'
    
    export { ThemeSwitch }
  • components/ui/theme-switch/index.ts 0.1 kB
    export { ThemeSwitch, type ThemeSwitchProps } from './theme-switch'

Raw manifest: https://react.uipkge.dev/r/react/theme-switch.json