layui/src/module/button/index.vue

<template>
  <button
    class="layui-btn"
    :class="[type ? 'layui-btn-' + type : '', size ? 'layui-btn-' + size : '',fluid ? 'layui-btn-fluid':'',radius ? 'layui-btn-radius':'']"
  >
    <slot></slot>
  </button>
</template>

<script setup name="LayButton" lang="ts">
import { defineProps } from '@vue/runtime-core'

const props =
  defineProps<{
    type?: string
    size?: string
    fluid?: boolean
    radius?: boolean
  }>()
</script>