element-plus/docs/.vitepress/vitepress/components/globals/vp-api-function.vue

<script setup lang="ts">
import { computed } from 'vue'
import ApiTyping from './vp-api-typing.vue'

import type { PropType } from 'vue'

type ParamType = [string, string]

const props = defineProps({
  /**
   * @description params list, shape of Array<[key: string, value: string]>
   */
  params: {
    type: Array as PropType<Array<ParamType>>,
    default: () => [],
  },
  returns: {
    type: String,
    default: 'void',
  },
})

const mappedParams = computed(() =>
  props.params
    .reduce(
      (params, [key, val]) => params.concat([`${key}: ${val}`]),
      [] as string[]
    )
    .join(', ')
)

const details = computed(() => `(${mappedParams.value}) => ${props.returns}`)
</script>

<template>
  <api-typing type="Function" :details="details" />
</template>