125 lines
2.7 KiB
TypeScript
125 lines
2.7 KiB
TypeScript
/**
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* External dependencies
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*/
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import { getContext, store } from '@woocommerce/interactivity';
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import { __ } from '@wordpress/i18n';
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/**
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* Internal dependencies
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*/
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import './style.scss';
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export type DropdownContext = {
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selectType: 'multiple' | 'single';
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item: {
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label: string;
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value: string;
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};
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selectedItems: {
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label: string | null;
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value: string | null;
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}[];
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hoveredItem: {
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label: string | null;
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value: string | null;
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};
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isOpen: boolean;
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};
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type DropdownStore = {
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state: {
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placeholderText: string;
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isSelected: boolean;
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};
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actions: {
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toggleIsOpen: () => void;
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selectDropdownItem: ( event: MouseEvent ) => void;
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unselectDropdownItem: ( event: MouseEvent ) => void;
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};
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};
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store< DropdownStore >( 'woocommerce/interactivity-dropdown', {
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state: {
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get placeholderText(): string {
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const { selectType, selectedItems } =
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getContext< DropdownContext >();
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if ( selectType === 'single' ) {
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return selectedItems?.length && selectedItems[ 0 ].label
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? selectedItems[ 0 ]?.label
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: __( 'Select an option', 'woocommerce' );
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} else if (
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selectType === 'multiple' &&
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selectedItems.length === 0
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) {
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return __( 'Select options', 'woocommerce' );
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}
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return '';
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},
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get isSelected(): boolean {
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const { item, selectedItems } = getContext< DropdownContext >();
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return selectedItems.some( ( i ) => {
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return i.value === item.value && i.label === item.label;
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} );
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},
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},
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actions: {
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toggleIsOpen: () => {
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const context = getContext< DropdownContext >();
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context.isOpen = ! context.isOpen;
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},
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unselectDropdownItem: ( event: MouseEvent ) => {
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const context = getContext< DropdownContext >();
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const {
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item: { label, value },
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selectedItems,
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} = context;
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const items = selectedItems || [];
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const selectedItemIndex = items.findIndex(
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( item ) => item.value === value && item.label === label
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);
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if ( selectedItemIndex !== -1 ) {
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items.splice( selectedItemIndex, 1 );
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}
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event.stopPropagation();
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},
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selectDropdownItem: ( event: MouseEvent ) => {
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const context = getContext< DropdownContext >();
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const {
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item: { label, value },
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selectedItems,
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} = context;
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// check if item already selected
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const selectedItemIndex = selectedItems.findIndex(
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( item ) => item.value === value && item.label === label
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);
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if ( selectedItemIndex !== -1 ) {
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selectedItems.splice( selectedItemIndex, 1 );
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}
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if ( context.selectType === 'single' && selectedItemIndex === -1 ) {
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selectedItems.splice( 0, 1, { label, value } );
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} else if ( selectedItemIndex === -1 ) {
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selectedItems.push( {
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label,
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value,
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} );
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}
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context.isOpen = false;
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event.stopPropagation();
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},
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},
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} );
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