Button.vue

<script setup lang="ts">
import { ref, type Ref } from 'vue';
import { cn } from '@/lib/utils';
import { cva, type VariantProps } from 'class-variance-authority';

const buttonVariants = cva(
  'inline-flex items-center justify-center whitespace-nowrap rounded-md text-sm font-medium ring-offset-background transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:pointer-events-none disabled:opacity-50',
  {
    variants: {
      variant: {
        default: 'bg-primary text-primary-foreground hover:bg-primary/90',
        destructive: 'bg-destructive text-destructive-foreground hover:bg-destructive/90',
        outline: 'border border-input bg-background hover:bg-accent hover:text-accent-foreground',
        secondary: 'bg-secondary text-secondary-foreground hover:bg-secondary/80',
        ghost: 'hover:bg-accent hover:text-accent-foreground',
        link: 'text-primary underline-offset-4 hover:underline',
      },
      size: {
        default: 'h-10 px-4 py-2',
        sm: 'h-9 rounded-md px-3',
        lg: 'h-11 rounded-md px-8',
        icon: 'h-10 w-10',
      },
    },
    defaultVariants: {
      variant: 'default',
      size: 'default',
    },
  }
);

interface Props extends VariantProps<typeof buttonVariants> {
  asChild?: boolean;
  variant?: 'default' | 'destructive' | 'outline' | 'secondary' | 'ghost' | 'link';
  size?: 'default' | 'sm' | 'lg' | 'icon';
}

const props = withDefaults(defineProps<Props>(), {
  variant: 'default',
  size: 'default',
});

const ref = ref<HTMLButtonElement | null>(null);

defineExpose({ ref });
</script>

<template>
  <button
    ref="ref"
    :class="
      cn(buttonVariants({ variant: props.variant, size: props.size, className: props.class }))
    "
    v-bind="$attrs"
  >
    <slot />
  </button>
</template>