template tag

<template>
    <button :class="classes" >
        <slot :iconSizeClasses="iconSizeClasses" />
    </button>
</template>

script tag

<script setup>
import { toRefs, computed } from 'vue'

const baseClasses = [
    'inline-flex items-center transition-colors font-medium select-none disabled:opacity-50 disabled:cursor-not-allowed focus:outline-none focus:ring focus:ring-offset-2 focus:ring-offset-white dark:focus:ring-offset-dark-eval-2',
]

const variantClasses = (variant) => ({
    'bg-purple-500 text-white hover:bg-purple-600 focus:ring-purple-500': variant == 'primary',
    'bg-white text-gray-500 hover:bg-gray-100 focus:ring-purple-500 dark:text-gray-400 dark:bg-dark-eval-1 dark:hover:bg-dark-eval-2 dark:hover:text-gray-200':
        variant == 'secondary',
    'bg-green-500 text-white hover:bg-green-600 focus:ring-green-500': variant == 'success',
    'bg-red-500 text-white hover:bg-red-600 focus:ring-red-500': variant == 'danger',
    'bg-yellow-500 text-white hover:bg-yellow-600 focus:ring-yellow-500': variant == 'warning',
    'bg-cyan-500 text-white hover:bg-cyan-600 focus:ring-cyan-500': variant == 'info',
    'bg-black text-gray-300 hover:text-white hover:bg-gray-800 focus:ring-black dark:hover:bg-dark-eval-3':
        variant == 'black',
})

// 通过计算属性,绑定一堆类名,不知道这样的形式好不好
// <button :class="classes" >
const classes = computed(() => [
    ...baseClasses,
    iconOnly
        ? {
            'p-1.5': size == 'sm',
            'p-2': size == 'base',
            'p-3': size == 'lg',
        }
        : {
            'px-2.5 py-1.5 text-sm': size == 'sm',
            'px-4 py-2 text-base': size == 'base',
            'px-5 py-2 text-xl': size == 'lg',
        },
    variantClasses(variant),
    {
        'rounded-md': !squared && !pill,
        'rounded-full': pill,
    },
    {
        'pointer-events-none opacity-50': href && disabled.value,
    },
])

// <slot :iconSizeClasses="iconSizeClasses" />
const iconSizeClasses = [
    {
        'w-5 h-5': size == 'sm',
        'w-6 h-6': size == 'base',
        'w-7 h-7': size == 'lg',
    },
]
</script>