390 lines
14 KiB
Plaintext
390 lines
14 KiB
Plaintext
component ComboBox {
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outputs {
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search(payload: { value?: string | number | boolean | null; values?: Array<string | number | boolean | null | object>; sourceEvent?: Event; [key: string]: string | number | boolean | null | object } | string | number | boolean | null)
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select(payload: { value?: string | number | boolean | null; values?: Array<string | number | boolean | null | object>; sourceEvent?: Event; [key: string]: string | number | boolean | null | object } | string | number | boolean | null)
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change(payload: { value?: string | number | boolean | null; values?: Array<string | number | boolean | null | object>; sourceEvent?: Event; [key: string]: string | number | boolean | null | object } | string | number | boolean | null)
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clear(payload: { value?: string | number | boolean | null; values?: Array<string | number | boolean | null | object>; sourceEvent?: Event; [key: string]: string | number | boolean | null | object } | string | number | boolean | null)
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open(payload: { sourceEvent?: Event; [key: string]: string | number | boolean | null | object })
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close(payload: { sourceEvent?: Event; [key: string]: string | number | boolean | null | object })
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load(payload: { sourceEvent?: Event; [key: string]: string | number | boolean | null | object })
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error(payload: { error: Error | string; sourceEvent?: Event; [key: string]: string | number | boolean | null | object } | Error | string)
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}
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props {
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size: string = "default"
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color: string = "primary"
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label: string = "ComboBox"
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name: string = ""
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value: string = ""
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options: unknown[] = []
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groups: unknown[] = []
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placeholder: string = "Search or select an option"
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searchPlaceholder: string = "Start typing…"
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clearable: boolean = true
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allowCustomValue: boolean = false
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disabled: boolean = false
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required: boolean = false
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invalid: boolean = false
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validationMessage: string = ""
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helpText: string = ""
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loading: boolean = false
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loadingLabel: string = "Loading suggestions…"
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emptyLabel: string = "No matching options"
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clearLabel: string = "Clear value"
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toggleLabel: string = "Toggle suggestions"
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searchMode: string = "contains"
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searchFields: string = "label,description"
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minSearchLength: number = 0
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searchResultLimit: number = 0
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optionTemplate: string = "default"
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defaultOpen: boolean = false
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closeOnSelect: boolean = true
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fixed: boolean = false
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placement: string = "bottom"
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autocomplete: string = "off"
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remote: boolean = false
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remoteUrl: string = ""
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remoteQueryParam: string = "q"
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remoteDebounce: number = 250
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remoteAutoLoad: boolean = true
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infinite: boolean = false
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hasMore: boolean = false
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page: number = 1
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loadMoreLabel: string = "Load more"
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class: string = ""
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}
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state open = defaultOpen
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state query: string = ""
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state selectedValue = value
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state activeIndex: number = -1
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functions {
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shared function allOptions() {
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return [...groups.flatMap((group) => group.options || []), ...options]
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}
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shared function searchableText(option) {
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return ((option.label || "") + " " + (option.description || "")).toLowerCase()
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}
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shared function matches(option) {
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if (!query || query.length < minSearchLength) {
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return true
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}
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if (searchMode === "startsWith") {
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return searchableText(option).startsWith(query.toLowerCase())
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}
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if (searchMode === "exact") {
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return searchableText(option) === query.toLowerCase()
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}
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return searchableText(option).includes(query.toLowerCase())
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}
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shared function matchingOptions(list) {
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return list.filter((option) => matches(option))
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}
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shared function visibleOptions(list) {
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if (searchResultLimit > 0) {
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return matchingOptions(list).slice(0, searchResultLimit)
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}
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return matchingOptions(list)
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}
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shared function flatVisibleOptions() {
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return visibleOptions(allOptions())
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}
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shared function isSelected(option) {
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return selectedValue === option.value
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}
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shared function selectedOptions() {
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return allOptions().filter((option) => isSelected(option))
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}
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shared function selectedText() {
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return selectedOptions().length ? selectedOptions()[0].label : selectedValue
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}
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shared function inputText() {
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return query || selectedText()
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}
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shared function shouldShowDropdown() {
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if (!open) {
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return false
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}
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if (loading) {
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return true
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}
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if (remote && query.length !== 0 && query.length < minSearchLength) {
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return true
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}
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if (flatVisibleOptions().length) {
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return true
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}
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return infinite && hasMore
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}
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shared function canSelect(option) {
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return !option.disabled
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}
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shared function chooseOption(option) {
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if (!canSelect(option)) {
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return
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}
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selectedValue = option.value
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query = option.label
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activeIndex = optionIndex(option)
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if (closeOnSelect) {
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open = false
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}
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}
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client function updateQuery(event) {
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query = event.target.value
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selectedValue = allowCustomValue ? event.target.value : ""
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open = true
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activeIndex = flatVisibleOptions().length ? 0 : -1
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}
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client function clearValue(event) {
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if (event) {
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event.stopPropagation()
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}
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query = ""
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selectedValue = ""
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activeIndex = -1
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open = false
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}
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shared function openDropdown() {
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if (!disabled) {
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open = true
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activeIndex = flatVisibleOptions().length ? 0 : -1
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}
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}
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shared function closeDropdown() {
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open = false
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}
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shared function toggle() {
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if (open) {
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closeDropdown()
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} else {
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openDropdown()
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}
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}
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shared function setValue(nextValue) {
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selectedValue = nextValue
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query = ""
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}
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shared function moveActive(direction) {
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if (!flatVisibleOptions().length) {
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return
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}
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activeIndex = (activeIndex + direction + flatVisibleOptions().length) % flatVisibleOptions().length
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}
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client function handleKeydown(event) {
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if (disabled) {
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return
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}
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if (event.key === "ArrowDown") {
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event.preventDefault()
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openDropdown()
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moveActive(1)
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} else if (event.key === "ArrowUp") {
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event.preventDefault()
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openDropdown()
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moveActive(-1)
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} else if (event.key === "Enter" && open && activeIndex >= 0) {
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event.preventDefault()
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chooseOption(flatVisibleOptions()[activeIndex])
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} else if (event.key === "Escape") {
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closeDropdown()
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} else if (event.key === "Home" && open) {
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event.preventDefault()
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activeIndex = 0
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} else if (event.key === "End" && open) {
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event.preventDefault()
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activeIndex = flatVisibleOptions().length - 1
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}
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}
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shared function optionIndex(option) {
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return flatVisibleOptions().findIndex((item) => item.value === option.value)
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}
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}
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view {
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<div
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class="wire-next wire-next--color-{color} wire-next--size-{size} wire-next--advanced-select wire-next--combobox {open ? 'wire-next--open' : ''} {fixed ? 'wire-next--advanced-select-fixed' : ''} {invalid ? 'wire-next--invalid' : ''} {disabled ? 'wire-next--disabled' : ''} {class}"
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data-placement="{placement}"
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data-search-mode="{searchMode}"
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data-remote="{remote ? 'true' : 'false'}"
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data-remote-url="{remoteUrl}"
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data-remote-query-param="{remoteQueryParam}"
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data-remote-debounce="{remoteDebounce}"
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data-remote-auto-load="{remoteAutoLoad ? 'true' : 'false'}"
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data-infinite="{infinite ? 'true' : 'false'}"
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data-page="{page}"
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data-wrn-select
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data-wrn-combobox
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@focusout="if (!event.currentTarget.contains(event.relatedTarget)) { closeDropdown() }"
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>
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<label id="{name}-label" for="{name}-input">{label}</label>
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<div class="wire-next__select-control wire-next__combobox-control">
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<span class="wire-next__search-icon icon-[lucide--search]" aria-hidden="true"></span>
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<input
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{...attrs}
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id="{name}-input"
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class="wire-next__select-trigger wire-next__combobox-input"
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type="text"
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role="combobox"
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name="{allowCustomValue ? name : ''}"
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value="{inputText()}"
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placeholder="{placeholder}"
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autocomplete="{autocomplete}"
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aria-autocomplete="list"
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aria-haspopup="listbox"
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aria-expanded="{open}"
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aria-controls="{name}-listbox"
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aria-labelledby="{name}-label"
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aria-invalid="{invalid}"
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disabled="{disabled}"
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required="{required && allowCustomValue}"
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@focus="openDropdown()"
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@click="openDropdown()"
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@input="updateQuery(event)"
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@keydown="handleKeydown(event)"
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/>
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<button
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type="button"
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class="wire-next__clear-select"
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data-show="clearable && inputText() && !disabled"
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aria-label="{clearLabel}"
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title="{clearLabel}"
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@click="clearValue(event)"
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>
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<span class="icon-[lucide--x]" aria-hidden="true"></span>
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</button>
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<button
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type="button"
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class="wire-next__combobox-toggle"
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aria-label="{toggleLabel}"
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tabindex="-1"
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disabled="{disabled}"
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@click="toggle()"
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>
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<span class="wire-next__select-chevron icon-[lucide--chevrons-up-down]" aria-hidden="true"></span>
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</button>
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</div>
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<div
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class="wire-next__select-dropdown {fixed ? 'wire-next__select-dropdown--fixed' : ''}"
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data-show="shouldShowDropdown()"
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style="{shouldShowDropdown() ? '' : 'display: none'}"
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>
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<div
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class="wire-next__select-message"
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data-show="remote && query.length !== 0 && query.length < minSearchLength"
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>Enter at least {minSearchLength} characters.</div>
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<div class="wire-next__select-message" data-show="loading" role="status">
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<i class="wire-spinner wire-spinner--inline" aria-hidden="true"></i>
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{loadingLabel}
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</div>
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<div
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id="{name}-listbox"
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class="wire-next__select-list"
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data-show="(!remote || (query.length === 0 && remoteAutoLoad) || query.length >= minSearchLength) && !loading"
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role="listbox"
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>
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{#each groups as group}
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{#if visibleOptions(group.options || []).length}
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<div class="wire-next__option-group" role="group" aria-label="{group.label}">
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<div class="wire-next__group-label">{group.label}</div>
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{#each group.options || [] as option}
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<button
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type="button"
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class="wire-next__select-option {isSelected(option) ? 'wire-next__select-option--selected' : ''} {optionIndex(option) === activeIndex ? 'wire-next__select-option--active' : ''}"
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data-option-value="{option.value}"
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data-show="matches(option)"
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role="option"
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aria-selected="{isSelected(option)}"
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disabled="{!canSelect(option)}"
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@mouseenter="activeIndex = optionIndex(option)"
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@mousedown="event.preventDefault()"
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@click="chooseOption(option)"
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>
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{#if optionTemplate === "icon" && option.icon}<i class="{option.icon}" aria-hidden="true"></i>{/if}
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{#if optionTemplate === "avatar" && option.avatar}<img src="{option.avatar}" alt="" />{/if}
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{#if optionTemplate === "color" && option.color}<i class="wire-next__color-dot" style="--option-color: {option.color}"></i>{/if}
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<span><strong>{option.label}</strong>{#if option.description}<small>{option.description}</small>{/if}</span>
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<i class="wire-next__check icon-[lucide--check]" data-show="isSelected(option)" aria-hidden="true"></i>
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</button>
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{/each}
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</div>
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{/if}
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{/each}
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{#each options as option}
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<button
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type="button"
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class="wire-next__select-option {isSelected(option) ? 'wire-next__select-option--selected' : ''} {optionIndex(option) === activeIndex ? 'wire-next__select-option--active' : ''}"
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data-option-value="{option.value}"
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data-show="matches(option)"
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role="option"
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aria-selected="{isSelected(option)}"
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disabled="{!canSelect(option)}"
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@mouseenter="activeIndex = optionIndex(option)"
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@mousedown="event.preventDefault()"
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@click="chooseOption(option)"
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>
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{#if optionTemplate === "icon" && option.icon}<i class="{option.icon}" aria-hidden="true"></i>{/if}
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{#if optionTemplate === "avatar" && option.avatar}<img src="{option.avatar}" alt="" />{/if}
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{#if optionTemplate === "color" && option.color}<i class="wire-next__color-dot" style="--option-color: {option.color}"></i>{/if}
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<span><strong>{option.label}</strong>{#if option.description}<small>{option.description}</small>{/if}</span>
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<i class="wire-next__check icon-[lucide--check]" data-show="isSelected(option)" aria-hidden="true"></i>
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</button>
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{/each}
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</div>
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<button
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type="button"
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class="wire-next__load-more"
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data-wrn-select-load-more
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data-show="infinite && hasMore"
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>{loadMoreLabel}</button>
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</div>
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{#if !allowCustomValue}
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<input
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type="hidden"
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name="{name}"
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value="{selectedValue}"
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required="{required}"
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data-error="{name}"
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aria-describedby="{validationMessage ? `${name}-validation` : helpText ? `${name}-help` : ''}"
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/>
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{/if}
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{#if helpText && !validationMessage}<small id="{name}-help">{helpText}</small>{/if}
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<small
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id="{name}-validation"
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class="wire-next__validation"
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data-error="{name}"
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>{validationMessage}</small>
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</div>
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}
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}
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