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<script>
import { GlCollapsibleListbox } from '@gitlab/ui';
import { mapActions, mapGetters, mapState } from 'vuex';
import { debounce, uniqBy } from 'lodash';
import {
I18N_NO_RESULTS_MESSAGE,
I18N_BRANCH_HEADER,
I18N_BRANCH_SEARCH_PLACEHOLDER,
} from '../constants';
export default {
name: 'BranchesDropdown',
components: {
GlCollapsibleListbox,
},
props: {
value: {
type: String,
required: false,
default: '',
},
},
i18n: {
noResultsMessage: I18N_NO_RESULTS_MESSAGE,
branchHeaderTitle: I18N_BRANCH_HEADER,
branchSearchPlaceholder: I18N_BRANCH_SEARCH_PLACEHOLDER,
},
data() {
return {
searchTerm: '',
};
},
computed: {
...mapGetters(['joinedBranches']),
...mapState(['isFetching', 'branch']),
listboxItems() {
const selectedItem = { value: this.branch, text: this.branch };
const transformedList = this.joinedBranches.map((value) => ({ value, text: value }));
if (this.searchTerm) {
return transformedList;
}
// Add selected item to top of list if not searching
return uniqBy([selectedItem].concat(transformedList), 'value');
},
},
mounted() {
this.fetchBranches();
},
methods: {
...mapActions(['fetchBranches']),
selectBranch(branch) {
this.$emit('input', branch);
},
debouncedSearch: debounce(function debouncedSearch() {
this.fetchBranches(this.searchTerm);
}, 250),
searchTermChanged(value) {
this.searchTerm = value.trim();
this.debouncedSearch(value);
},
},
};
</script>
<template>
<gl-collapsible-listbox
class="gl-max-w-full"
:header-text="$options.i18n.branchHeaderTitle"
:toggle-text="value"
toggle-class="gl-w-full"
:items="listboxItems"
searchable
:search-placeholder="$options.i18n.branchSearchPlaceholder"
:searching="isFetching"
:selected="value"
:no-results-text="$options.i18n.noResultsMessage"
@search="searchTermChanged"
@select="selectBranch"
/>
</template>
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