4dkankan-components/docs/examples-bk/autocomplete/remote-search.vue

<template>
    <el-autocomplete v-model="state" :fetch-suggestions="querySearchAsync" placeholder="Please input" @select="handleSelect" />
</template>

<script lang="ts" setup>
import { onMounted, ref } from 'vue'

const state = ref('')

interface LinkItem {
    value: string
    link: string
}

const links = ref<LinkItem[]>([])

const loadAll = () => {
    return [
        { value: 'vue', link: 'https://github.com/vuejs/vue' },
        { value: 'element', link: 'https://github.com/ElemeFE/element' },
        { value: 'cooking', link: 'https://github.com/ElemeFE/cooking' },
        { value: 'mint-ui', link: 'https://github.com/ElemeFE/mint-ui' },
        { value: 'vuex', link: 'https://github.com/vuejs/vuex' },
        { value: 'vue-router', link: 'https://github.com/vuejs/vue-router' },
        { value: 'babel', link: 'https://github.com/babel/babel' },
    ]
}

let timeout: NodeJS.Timeout
const querySearchAsync = (queryString: string, cb: (arg: any) => void) => {
    const results = queryString ? links.value.filter(createFilter(queryString)) : links.value

    clearTimeout(timeout)
    timeout = setTimeout(() => {
        cb(results)
    }, 3000 * Math.random())
}
const createFilter = (queryString: string) => {
    return (restaurant: LinkItem) => {
        return restaurant.value.toLowerCase().indexOf(queryString.toLowerCase()) === 0
    }
}

const handleSelect = (item: LinkItem) => {
    console.log(item)
}

onMounted(() => {
    links.value = loadAll()
})
</script>