@coreui/vue-pro/dist/cjs/components/autocomplete/CAutocompleteOptions.js

UI Components Library for Vue.js

'use strict';

var vue = require('vue');
var CElementCover = require('../element-cover/CElementCover.js');
var CVirtualScroller = require('../virtual-scroller/CVirtualScroller.js');
var getNextSibling = require('../../utils/getNextSibling.js');
var getPreviousSibling = require('../../utils/getPreviousSibling.js');
var utils = require('./utils.js');

const CAutocompleteOptions = vue.defineComponent({
    name: 'CAutocompleteOptions',
    props: {
        highlightOptionsOnSearch: Boolean,
        loading: Boolean,
        options: {
            type: Array,
            required: true,
        },
        optionsMaxHeight: [Number, String],
        scopedSlots: Object,
        searchNoResultsLabel: [Boolean, String],
        searchValue: String,
        selected: [Object, String, null],
        virtualScroller: Boolean,
        visible: Boolean,
        visibleItems: {
            type: Number,
            default: 10,
        },
    },
    emits: ['optionClick'],
    setup(props, { emit }) {
        const handleKeyDown = (event, option) => {
            if (event.code === 'Space' || event.key === 'Enter') {
                event.preventDefault();
                emit('optionClick', option);
            }
            if (event.key === 'Down' || event.key === 'ArrowDown') {
                event.preventDefault();
                const target = event.target;
                const next = getNextSibling.getNextSibling(target, '.autocomplete-option:not(.disabled):not(:disabled)');
                if (next) {
                    next.focus();
                }
            }
            if (event.key === 'Up' || event.key === 'ArrowUp') {
                event.preventDefault();
                const target = event.target;
                const prev = getPreviousSibling.default(target, '.autocomplete-option:not(.disabled):not(:disabled)');
                if (prev) {
                    prev.focus();
                }
            }
        };
        const createOption = (option, index) => vue.h('div', {
            class: [
                'autocomplete-option',
                {
                    disabled: utils.isOptionDisabled(option),
                    selected: utils.isOptionSelected(option, props.selected || null),
                },
            ],
            key: index,
            onClick: () => emit('optionClick', option),
            onKeydown: (event) => handleKeyDown(event, option),
            tabindex: 0,
            ...(props.highlightOptionsOnSearch &&
                !props.scopedSlots?.['options'] && {
                innerHTML: utils.highlightSubstring(utils.getOptionLabel(option), props.searchValue),
            }),
        }, !props.highlightOptionsOnSearch
            ? props.scopedSlots && props.scopedSlots['options']
                ? vue.h(props.scopedSlots['options'], { option: option })
                : utils.getOptionLabel(option)
            : undefined);
        const createOptions = (options) => {
            if (options.length === 0 && props.searchNoResultsLabel) {
                return vue.h('div', { class: 'autocomplete-options-empty' }, props.searchNoResultsLabel);
            }
            return options.map((option, index) => {
                if (typeof option !== 'string' && 'options' in option) {
                    return vue.h('div', { key: index }, [
                        vue.h('div', { class: 'autocomplete-optgroup-label' }, [
                            props.scopedSlots && props.scopedSlots['options-groups']
                                ? vue.h(props.scopedSlots['options-groups'], { option: option })
                                : option.label,
                        ]),
                        ...(option.options?.map((opt, idx) => createOption(opt, idx)) || []),
                    ]);
                }
                return createOption(option, index);
            });
        };
        return () => [
            props.visible && props.virtualScroller && props.options.length > 0
                ? vue.h(CVirtualScroller.CVirtualScroller, {
                    class: 'autocomplete-options',
                    visibleItems: props.visibleItems,
                    role: 'listbox',
                }, {
                    default: () => createOptions(props.options),
                })
                : vue.h('div', {
                    class: 'autocomplete-options',
                    ...(props.optionsMaxHeight !== 'auto' && {
                        style: { maxHeight: props.optionsMaxHeight, overflow: 'scroll' },
                    }),
                    role: 'listbox',
                }, createOptions(props.options)),
            props.loading && vue.h(CElementCover.CElementCover),
        ];
    },
});

exports.CAutocompleteOptions = CAutocompleteOptions;
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