Created
November 27, 2018 09:25
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ZiYoungSelectComponent
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<template> | |
<el-select :value="value" @input="handleInput($event)" filterable placeholder="Select" :filter-method="doFilter" | |
default-first-option> | |
<el-option v-for="item in options" :key="item[valueField]" :label="item[labelField]" :value="item[valueField]"> | |
</el-option> | |
</el-select> | |
</template> | |
<script lang="ts"> | |
import Vue from 'vue'; | |
import { Component, Prop } from 'vue-property-decorator'; | |
@Component({}) | |
export default class ZiYoungSelectComponent extends Vue { | |
@Prop({ required: true }) | |
items: any[]; | |
@Prop({}) | |
value: string; | |
@Prop({ | |
default: 'value', | |
}) | |
valueField: string; | |
@Prop({ | |
default: 'label', | |
type: String | |
}) | |
labelField: string; | |
filter = ''; | |
doFilter(filter) { | |
this.filter = filter; | |
} | |
handleInput(input) { | |
console.log(input); | |
this.filter = ''; | |
this.$emit('input', input); | |
} | |
get options() { | |
// do regexp | |
const re = new RegExp(this.filter, 'i'); | |
const copy = this.items.filter(el => re.test(el.label)); | |
// sort with custom function | |
const re1 = new RegExp('^' + this.filter, 'i'); | |
copy.sort(function (a, b) { | |
const ares = re1.test(a.label); | |
const bres = re1.test(b.label); | |
if (ares && !bres) return -1; | |
if (!ares && bres) return 1; | |
return 0; | |
}); | |
return copy; | |
} | |
} | |
</script> |
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