vue.js autocomplete

element ui を使っている場合は、
element ui についてる auto complete を使うのがベストか。
コピペで動く。

追記
いやーこれなら、
elmentui の ¶Basic multiple select のが便利かもしれんな。。。

<template>
    <div>

        <el-row>

            <el-col class="flex-center">
                <h2> Vue.js Autocomplete </h2>
                <div>
                    <el-autocomplete
                            v-model="state"
                            :fetch-suggestions="querySearch"
                            @select="handleSelect"
                            placeholder="Please input"
                            :trigger-on-focus="false">
                    </el-autocomplete>
                </div>


            </el-col>
            

        </el-row>


        <!--:keyってのが無いとバグる-->
        <div v-for="(v,key) in selectedTags" :key="key">
            選択されたID は {{v}}
        </div>

    </div>
</template>

<script>
    export default {

        data() {
            return {
                links: [],
                state: '',
                selectedTags: []
            };
        },
        methods: {
            querySearch(query, cb) {
                var links = this.links;
                var results = query ? links.filter(this.createFilter(query)) : links;
                var top3 = results.slice(0, 3);
                console.log(JSON.stringify(top3));
                cb(top3); // number of things returned
            },
            createFilter(query) {
                return (link) => {
                    return link.value.toLowerCase().includes(query.toLowerCase());
                };
            },
            loadAll() {
                return [
                    {"id": 0, "value": "うどん", "link": "https://github.com/vuejs/vue" },
                    {"id": 1, "value": "うんこ", "link": "https://github.com/vuejs/vue" },
                    {"id": 2, "value": "らーめん", "link": "https://github.com/vuejs/vue" },
                    {"id": 3, "value": "vuex", "link": "https://github.com/vuejs/vue" },
                    {"id": 4, "value": "vue-router", "link": "https://github.com/vuejs/vue" },
                    {"id": 5, "value": "vue-resource", "link": "https://github.com/vuejs/vue" },
                    {"id": 6, "value": "element", "link": "https://github.com/ElemeFE/element" },
                    {"id": 7, "value": "あい", "link": "https://github.com/vuejs/vue" },

                ];
            },
            handleSelect(item) {
                console.log("選択されたアイテムのIDは" + item.id);
                this.state = "";
                this.selectedTags.push(item.id);

            }
        },
        mounted() {
            this.links = this.loadAll();
        }
    }
</script>