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<script>
import { GlCollapsibleListbox } from '@gitlab/ui';
import { mapGetters, mapState } from 'vuex';
import { debounce, uniqBy } from 'lodash';
import {
I18N_NO_RESULTS_MESSAGE,
I18N_PROJECT_HEADER,
I18N_PROJECT_SEARCH_PLACEHOLDER,
} from '../constants';
export default {
name: 'ProjectsDropdown',
components: {
GlCollapsibleListbox,
},
props: {
value: {
type: String,
required: false,
default: '',
},
},
i18n: {
noResultsMessage: I18N_NO_RESULTS_MESSAGE,
projectHeaderTitle: I18N_PROJECT_HEADER,
projectSearchPlaceholder: I18N_PROJECT_SEARCH_PLACEHOLDER,
},
data() {
return {
filterTerm: '',
};
},
computed: {
...mapGetters(['sortedProjects']),
...mapState(['targetProjectId']),
filteredResults() {
const lowerCasedFilterTerm = this.filterTerm.toLowerCase();
return this.sortedProjects.filter((project) =>
project.name.toLowerCase().includes(lowerCasedFilterTerm),
);
},
listboxItems() {
const selectedItem = { value: this.selectedProject.id, text: this.selectedProject.name };
const transformedList = this.filteredResults.map(({ id, name }) => ({
value: id,
text: name,
}));
if (this.filterTerm) {
return transformedList;
}
// Add selected item to top of list if not searching
return uniqBy([selectedItem].concat(transformedList), 'value');
},
selectedProject() {
return this.sortedProjects.find((project) => project.id === this.targetProjectId) || {};
},
},
methods: {
selectProject(value) {
this.$emit('input', value);
},
debouncedSearch: debounce(function debouncedSearch(value) {
this.filterTerm = value.trim();
}, 250),
},
};
</script>
<template>
<gl-collapsible-listbox
class="gl-max-w-full"
:header-text="$options.i18n.projectHeaderTitle"
:items="listboxItems"
searchable
:search-placeholder="$options.i18n.projectSearchPlaceholder"
:selected="selectedProject.id"
:toggle-text="selectedProject.name"
toggle-class="gl-w-full"
:no-results-text="$options.i18n.noResultsMessage"
@search="debouncedSearch"
@select="selectProject"
/>
</template>
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