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WRNexusJS/packages/ui/components/AdvancedSelect.wrn
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component AdvancedSelect {
outputs {
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)
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)
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)
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)
open(payload: { sourceEvent?: Event; [key: string]: string | number | boolean | null | object })
close(payload: { sourceEvent?: Event; [key: string]: string | number | boolean | null | object })
load(payload: { sourceEvent?: Event; [key: string]: string | number | boolean | null | object })
error(payload: { error: Error | string; sourceEvent?: Event; [key: string]: string | number | boolean | null | object } | Error | string)
}
props {
size: string = "default"
color: string = "primary"
label: string = "Advanced Select"
name: string = ""
value: string = ""
values: unknown[] = []
options: unknown[] = []
groups: unknown[] = []
placeholder: string = "Select an option"
placeholderIcon: string = ""
searchPlaceholder: string = "Search options…"
multiple: boolean = false
searchable: boolean = true
defaultOpen: boolean = false
clearable: boolean = true
allowEmpty: boolean = true
tags: boolean = false
disabled: boolean = false
required: boolean = false
invalid: boolean = false
validationMessage: string = ""
helpText: string = ""
loading: boolean = false
loadingLabel: string = "Loading options…"
emptyLabel: string = "No options found"
selectedOptionsLabel: string = "Selected options"
clearLabel: string = "Clear selection"
createLabel: string = "Create"
loadMoreLabel: string = "Load more"
searchMode: string = "contains"
searchFields: string = "label,description"
minSearchLength: number = 0
searchResultLimit: number = 0
maxSelections: number = 0
showCounter: boolean = false
counterTemplate: string = "{selected} selected"
optionTemplate: string = "default"
selectedTemplate: string = "default"
closeOnSelect: boolean = true
scrollToSelected: boolean = true
fixed: boolean = false
placement: string = "bottom"
remote: boolean = false
remoteUrl: string = ""
remoteQueryParam: string = "q"
remoteDebounce: number = 250
remoteAutoLoad: boolean = true
infinite: boolean = false
hasMore: boolean = false
page: number = 1
class: string = ""
}
state open = defaultOpen
state query: string = ""
state activeIndex: number = -1
state selectedValue = value
state selectedValues = values
functions {
shared function allOptions() {
return [...groups.flatMap((group) => group.options || []), ...options]
}
shared function searchableText(option) {
return ((option.label || "") + " " + (option.description || "")).toLowerCase()
}
shared function matches(option) {
if (!query || query.length < Number(minSearchLength || 0)) {
return true
}
if (searchMode === "startsWith") {
return searchableText(option).startsWith(query.toLowerCase())
}
if (searchMode === "exact") {
return searchableText(option) === query.toLowerCase()
}
return searchableText(option).includes(query.toLowerCase())
}
shared function matchingOptions(list) {
return list.filter((option) => matches(option))
}
shared function visibleOptions(list) {
if (searchResultLimit > 0) {
return matchingOptions(list).slice(0, Number(searchResultLimit))
}
return matchingOptions(list)
}
shared function flatVisibleOptions() {
return visibleOptions(allOptions())
}
shared function isSelected(option) {
return (
multiple
? selectedValues.includes(option.value)
: selectedValue === option.value
)
}
shared function selectedOptions() {
return allOptions().filter((option) => isSelected(option))
}
shared function selectedCount() {
return multiple ? selectedValues.length : selectedValue ? 1 : 0
}
shared function counterText() {
return (
maxSelections
? selectedCount() + " / " + maxSelections + " selected"
: selectedCount() + " selected"
)
}
shared function selectedText() {
return (
multiple
? selectedValues.join(", ")
: selectedOptions().length
? selectedOptions()[0].label
: ""
)
}
shared function triggerText() {
return selectedCount() ? selectedText() : placeholder
}
shared function canSelect(option) {
if (option.disabled) {
return false
}
if (!multiple || isSelected(option)) {
return true
}
if (maxSelections <= 0) {
return true
}
return selectedCount() < maxSelections
}
shared function chooseSingle(option) {
if (!canSelect(option)) {
return
}
selectedValue = option.value
query = ""
if (closeOnSelect) {
open = false
}
}
shared function chooseMultiple(option) {
if (!canSelect(option)) {
return
}
if (isSelected(option)) {
selectedValues = selectedValues.filter((item) => item !== option.value)
} else {
selectedValues = selectedValues.concat([option.value])
}
query = ""
}
shared function chooseOption(option) {
if (multiple) {
chooseMultiple(option)
return
}
chooseSingle(option)
}
client function clearSelection(event) {
event.stopPropagation()
selectedValue = ""
selectedValues = []
query = ""
open = false
}
shared function toggle() {
if (disabled) {
return;
};
open = !open;
activeIndex = open && flatVisibleOptions().length ? 0 : -1;
}
shared function moveActive(direction) {
if (!flatVisibleOptions().length) {
return
}
activeIndex = (activeIndex + direction + flatVisibleOptions().length) % flatVisibleOptions().length
}
client function handleKeydown(event) {
if (disabled) {
return
}
if (event.key === "ArrowDown") {
event.preventDefault()
if (!open) {
open = true
}
moveActive(1)
} else if (event.key === "ArrowUp") {
event.preventDefault()
if (!open) {
open = true
}
moveActive(-1)
} else if (event.key === "Enter" || event.key === " ") {
event.preventDefault()
if (!open) {
open = true
} else if (activeIndex >= 0) {
chooseOption(flatVisibleOptions()[activeIndex])
}
} else if (event.key === "Escape") {
open = false
} else if (event.key === "Home" && open) {
event.preventDefault()
activeIndex = 0
} else if (event.key === "End" && open) {
event.preventDefault()
activeIndex = flatVisibleOptions().length - 1
}
}
shared function optionIndex(option) {
return flatVisibleOptions().findIndex((item) => item.value === option.value)
}
}
view {
<div
class="wire-next wire-next--color-{color} wire-next--size-{size} wire-next--advanced-select {open ? 'wire-next--open' : ''} {fixed ? 'wire-next--advanced-select-fixed' : ''} {invalid ? 'wire-next--invalid' : ''} {disabled ? 'wire-next--disabled' : ''} {class}"
data-placement="{placement}"
data-search-mode="{searchMode}"
data-remote="{remote ? 'true' : 'false'}"
data-remote-url="{remoteUrl}"
data-remote-query-param="{remoteQueryParam}"
data-remote-debounce="{remoteDebounce}"
data-remote-auto-load="{remoteAutoLoad ? 'true' : 'false'}"
data-infinite="{infinite ? 'true' : 'false'}"
data-page="{page}"
data-wrn-select
@focusout="if (!event.currentTarget.contains(event.relatedTarget)) { open = false }"
>
<div class="wire-next__row">
<label id="{name}-label" for="{name}-trigger">{label}</label>
<small data-show="showCounter" data-text="counterText()">{counterText()}</small>
</div>
<div class="wire-next__select-control">
<button
{...attrs}
id="{name}-trigger"
type="button"
class="wire-next__select-trigger"
role="combobox"
aria-haspopup="listbox"
aria-expanded="{open}"
aria-controls="{name}-listbox"
aria-labelledby="{name}-label"
aria-invalid="{invalid}"
disabled="{disabled}"
@click="toggle()"
@keydown="handleKeydown(event)"
>
<span class="wire-next__select-value">
<span data-show="!multiple" data-text="triggerText()">{triggerText()}</span>
<span
data-show="multiple && selectedTemplate === 'count' && selectedCount() > 0"
data-text="selectedCount() + ' selected'"
>{selectedCount()} selected</span>
<span
data-show="multiple && selectedTemplate === 'text' && selectedCount() > 0"
data-text="selectedText()"
>{selectedText()}</span>
<span
class="wire-next__select-tags"
aria-label="{selectedOptionsLabel}"
data-show="multiple && selectedTemplate !== 'count' && selectedTemplate !== 'text' && selectedCount() > 0"
>
{#each allOptions() as option}
<span data-show="isSelected(option)">
{#if optionTemplate === "icon" && option.icon}<i class="{option.icon}" aria-hidden="true"></i>{/if}
{#if optionTemplate === "avatar" && option.avatar}<img src="{option.avatar}" alt="" />{/if}
{#if optionTemplate === "color" && option.color}<i class="wire-next__color-dot" style="--option-color: {option.color}"></i>{/if}
{option.label}
</span>
{/each}
</span>
<span data-show="multiple && selectedCount() === 0">
{#if placeholderIcon}<i class="{placeholderIcon}" aria-hidden="true"></i>{/if}
<span class="wire-next__placeholder">{placeholder}</span>
</span>
</span>
<span
class="wire-next__select-chevron icon-[lucide--chevrons-up-down]"
aria-hidden="true"
></span>
</button>
<button
type="button"
class="wire-next__clear-select"
data-show="clearable && allowEmpty && selectedCount() > 0 && !disabled"
aria-label="{clearLabel}"
title="{clearLabel}"
@click="clearSelection(event)"
>
<span class="icon-[lucide--x]" aria-hidden="true"></span>
</button>
</div>
<div
class="wire-next__select-dropdown {fixed ? 'wire-next__select-dropdown--fixed' : ''}"
data-show="open"
style="{open ? '' : 'display: none'}"
>
{#if searchable}
<label class="wire-next__select-search">
<span class="wire-visually-hidden">{searchPlaceholder}</span>
<span class="wire-next__search-icon" aria-hidden="true">⌕</span>
<input
type="search"
value="{query}"
placeholder="{searchPlaceholder}"
autocomplete="off"
@input="query = event.target.value; activeIndex = flatVisibleOptions().length ? 0 : -1"
@keydown="handleKeydown(event)"
/>
</label>
{/if}
<div
class="wire-next__select-message"
data-show="remote && query.length !== 0 && query.length < minSearchLength"
>Enter at least {minSearchLength} characters.</div>
<div class="wire-next__select-message" data-show="loading" role="status">
<i class="wire-spinner wire-spinner--inline" aria-hidden="true"></i>
{loadingLabel}
</div>
<div
id="{name}-listbox"
class="wire-next__select-list"
data-show="(!remote || (query.length === 0 && remoteAutoLoad) || query.length >= minSearchLength) && !loading"
role="listbox"
aria-multiselectable="{multiple}"
>
{#each groups as group}
{#if visibleOptions(group.options || []).length}
<div class="wire-next__option-group" role="group" aria-label="{group.label}">
<div class="wire-next__group-label">{group.label}</div>
{#each group.options || [] as option}
<button
type="button"
class="wire-next__select-option {isSelected(option) ? 'wire-next__select-option--selected' : ''} {optionIndex(option) === activeIndex ? 'wire-next__select-option--active' : ''}"
data-option-value="{option.value}"
data-show="matches(option)"
role="option"
aria-selected="{isSelected(option)}"
disabled="{!canSelect(option)}"
@mouseenter="activeIndex = optionIndex(option)"
@click="chooseOption(option)"
>
{#if optionTemplate === "icon" && option.icon}<i class="{option.icon}" aria-hidden="true"></i>{/if}
{#if optionTemplate === "avatar" && option.avatar}<img src="{option.avatar}" alt="" />{/if}
{#if optionTemplate === "color" && option.color}<i class="wire-next__color-dot" style="--option-color: {option.color}"></i>{/if}
<span><strong>{option.label}</strong>{#if option.description}<small>{option.description}</small>{/if}</span>
<i
class="wire-next__check icon-[lucide--check]"
data-show="isSelected(option)"
aria-hidden="true"
></i>
</button>
{/each}
</div>
{/if}
{/each}
{#each options as option}
<button
type="button"
class="wire-next__select-option {isSelected(option) ? 'wire-next__select-option--selected' : ''} {optionIndex(option) === activeIndex ? 'wire-next__select-option--active' : ''}"
data-option-value="{option.value}"
data-show="matches(option)"
role="option"
aria-selected="{isSelected(option)}"
disabled="{!canSelect(option)}"
@mouseenter="activeIndex = optionIndex(option)"
@click="chooseOption(option)"
>
{#if optionTemplate === "icon" && option.icon}<i class="{option.icon}" aria-hidden="true"></i>{/if}
{#if optionTemplate === "avatar" && option.avatar}<img src="{option.avatar}" alt="" />{/if}
{#if optionTemplate === "color" && option.color}<i class="wire-next__color-dot" style="--option-color: {option.color}"></i>{/if}
<span><strong>{option.label}</strong>{#if option.description}<small>{option.description}</small>{/if}</span>
<i
class="wire-next__check icon-[lucide--check]"
data-show="isSelected(option)"
aria-hidden="true"
></i>
</button>
{/each}
{#if !loading && !flatVisibleOptions().length}
<div class="wire-next__select-message">{emptyLabel}</div>
{/if}
</div>
{#if tags && query && !allOptions().some((option) => option.label.toLowerCase() === query.toLowerCase())}
<button type="button" class="wire-next__create-option">{createLabel} “{query}”</button>
{/if}
<button
type="button"
class="wire-next__load-more"
data-wrn-select-load-more
data-show="infinite && hasMore"
>{loadMoreLabel}</button>
</div>
<input
type="hidden"
name="{name}"
value="{multiple ? selectedValues.join(',') : selectedValue}"
required="{required}"
aria-describedby="{validationMessage ? `${name}-validation` : helpText ? `${name}-help` : ''}"
/>
{#if helpText && !validationMessage}<small id="{name}-help">{helpText}</small>{/if}
<small
id="{name}-validation"
class="wire-next__validation"
data-error="{name}"
>{validationMessage}</small>
</div>
}
style {
.wire-next__select-search {
position: relative;
display: block;
}
.wire-next__select-search input {
padding-left: 2.25em;
}
.wire-next__select-tags {
display: flex;
flex-wrap: wrap;
gap: 0.4rem;
}
.wire-next__select-tags > span {
display: inline-flex;
align-items: center;
gap: 0.35rem;
padding: 0.3rem 0.55rem;
border-radius: 999px;
color: var(--wire-component-color);
background: color-mix(in srgb, var(--wire-component-color) 12%, transparent);
font-size: 0.75em;
font-weight: 700;
}
.wire-next__select-tags img {
width: 1.25rem;
height: 1.25rem;
border-radius: 50%;
object-fit: cover;
}
.wire-next__select-value {
display: flex;
min-width: 0;
align-items: center;
gap: 0.55em;
}
.wire-next__placeholder {
overflow: hidden;
color: var(--wire-color-muted);
text-overflow: ellipsis;
white-space: nowrap;
}
}
}