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<script>
import {
GlDropdown,
GlSearchBoxByType,
GlDropdownItem,
GlDropdownText,
GlLoadingIcon,
} from '@gitlab/ui';
import { mapActions, mapGetters, mapState } from 'vuex';
import {
I18N_NO_RESULTS_MESSAGE,
I18N_BRANCH_HEADER,
I18N_BRANCH_SEARCH_PLACEHOLDER,
} from '../constants';
export default {
name: 'BranchesDropdown',
components: {
GlDropdown,
GlSearchBoxByType,
GlDropdownItem,
GlDropdownText,
GlLoadingIcon,
},
props: {
value: {
type: String,
required: false,
default: '',
},
blanked: {
type: Boolean,
required: false,
default: false,
},
},
i18n: {
noResultsMessage: I18N_NO_RESULTS_MESSAGE,
branchHeaderTitle: I18N_BRANCH_HEADER,
branchSearchPlaceholder: I18N_BRANCH_SEARCH_PLACEHOLDER,
},
data() {
return {
searchTerm: this.blanked ? '' : this.value,
};
},
computed: {
...mapGetters(['joinedBranches']),
...mapState(['isFetching', 'branch', 'branches']),
filteredResults() {
const lowerCasedSearchTerm = this.searchTerm.toLowerCase();
return this.joinedBranches.filter((resultString) =>
resultString.toLowerCase().includes(lowerCasedSearchTerm),
);
},
},
watch: {
// Parent component can set the branch value (e.g. when the user selects a different project)
// and we need to keep the search term in sync with the selected value
value(val) {
this.searchTermChanged(val);
},
},
mounted() {
this.fetchBranches(this.searchTerm);
},
methods: {
...mapActions(['fetchBranches']),
selectBranch(branch) {
this.$emit('selectBranch', branch);
this.searchTerm = branch; // enables isSelected to work as expected
},
isSelected(selectedBranch) {
return selectedBranch === this.branch;
},
searchTermChanged(value) {
this.searchTerm = value;
this.fetchBranches(value);
},
},
};
</script>
<template>
<gl-dropdown :text="value" :header-text="$options.i18n.branchHeaderTitle">
<gl-search-box-by-type
:value="searchTerm"
trim
autocomplete="off"
:debounce="250"
:placeholder="$options.i18n.branchSearchPlaceholder"
data-testid="dropdown-search-box"
@input="searchTermChanged"
/>
<gl-dropdown-item
v-for="branch in filteredResults"
v-show="!isFetching"
:key="branch"
:name="branch"
:is-checked="isSelected(branch)"
is-check-item
data-testid="dropdown-item"
@click="selectBranch(branch)"
>
{{ branch }}
</gl-dropdown-item>
<gl-dropdown-text v-show="isFetching" data-testid="dropdown-text-loading-icon">
<gl-loading-icon size="sm" class="gl-mx-auto" />
</gl-dropdown-text>
<gl-dropdown-text
v-if="!filteredResults.length && !isFetching"
data-testid="empty-result-message"
>
<span class="gl-text-gray-500">{{ $options.i18n.noResultsMessage }}</span>
</gl-dropdown-text>
</gl-dropdown>
</template>
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