c2n/web-componentsv0.0.16
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ComponentsIconsGuidesExamplesGetting started
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Autocomplete

Searchable combobox for local or remote items with customizable list rows.

Attributes

NameTypeDefaultDescription
valuestring—Current input text and form value. A selection replaces it only when selectionBehavior is replace.
namestring—Input name used for form submission.
placeholderstring—Text shown while the input is empty.
aria-labelstring | nullnullAccessible name forwarded to the combobox input and composed list.
suggestionsunknown[][]Local items to search. An array in the property, JSON in the attribute; items may have any structure.
item-keystring—Field used as a result's stable value. An empty value falls back to a primitive item or its index.
label-fieldstring—Field used as primary row text. Defaults to label, name, title or value.
description-fieldstring—Field used for the optional secondary row line.
disabled-fieldstring—Field whose truthy value makes a row unavailable.
search-fieldsstring[][]Fields used by local matching; a ;-separated attribute or string array property. Defaults to every scalar field.
selection-behaviorAutocompleteSelectionBehaviorreplaceWhether selection preserves the typed query or replaces it with the selected item's key.
debouncenumber200Delay before calling dataSource, in milliseconds.
min-query-lengthnumber1Query length required before results are shown or requested.
max-resultsnumber20Maximum number of results shown after filtering or loading.
show-emptybooleanfalseKeep the result panel open to show an empty state when nothing matches.
readonlybooleanfalseShows the value without allowing edits or opening suggestions.
disabledbooleanfalseDisables the control and excludes it from form submission.
requiredbooleanfalseMarks the control required for native form validation.
openbooleanfalseWhether the suggestion panel is open. May also be controlled programmatically.

Slots

NameDescription
prefix-iconIcon or adornment shown before the text input.
suffix-iconIcon or adornment shown after the clear button.
clear-iconReplaces the default cross in the clear button.
headerContent above the suggestion list, such as filter chips or a result summary.
footerContent below the suggestion list, such as an “all results” action.
loadingReplaces the loading message inside the list.
emptyReplaces the empty-result message inside the list.
errorReplaces the remote-source error message inside the list.

Events

NameTypeDescription
suggestion-selectCustomEvent<AutocompleteSelectEventDetail>Fired after a row is chosen. The detail contains the selected key, original item and visible index.
inputInputEventRe-dispatched from the inner input on every edit; also fired after a suggestion replaces the value.
changeEventFired after the typed value is committed or a suggestion replaces it.
query-changeCustomEvent<{ query: string }>Fired on every user edit, before local filtering or a remote request.

CSS custom properties

Grouped by semantic target and state from --c2-component__target__state--property. Click a group to collapse it; click a name to copy it.

NameTypeDefaultDescription
c2-autocomplete
--c2-autocomplete--min-heightpixel40px
--c2-autocomplete--paddingpadding8px 10px
--c2-autocomplete--gappixel8px
--c2-autocomplete--backgroundcolor#ffffff
--c2-autocomplete--colorcolor#18181b
--c2-autocomplete--font-sizefont-size14px
--c2-autocomplete--borderborder1px solid #bcbcc6
--c2-autocomplete--border-radiusborder-radius8px
c2-autocomplete > hover
--c2-autocomplete__hover--borderborder1px solid #a1a1aa
c2-autocomplete > focus
--c2-autocomplete__focus--borderborder1px solid rgb(2, 101, 220)
--c2-autocomplete__focus--outlineoutlinenone
c2-autocomplete > placeholder
--c2-autocomplete__placeholder--colorcolor#71717a
c2-autocomplete > disabled
--c2-autocomplete__disabled--opacityopacity0.38
c2-autocomplete > icon
--c2-autocomplete__icon--sizepixel18px
--c2-autocomplete__icon--colorcolor#71717a
c2-autocomplete > panel
--c2-autocomplete__panel--backgroundcolor#ffffff
--c2-autocomplete__panel--borderborder1px solid #e4e4e7
--c2-autocomplete__panel--border-radiusborder-radius8px
--c2-autocomplete__panel--box-shadowbox-shadow0 12px 32px rgba(24, 24, 27, 0.14)
--c2-autocomplete__panel--max-heightpixel320px
c2-autocomplete > list
--c2-autocomplete__list--paddingpadding4px
c2-autocomplete > header
--c2-autocomplete__header--backgroundcolortransparent
--c2-autocomplete__header--colorcolor#71717a
--c2-autocomplete__header--paddingpadding10px 12px
--c2-autocomplete__header--border-bottomborder1px solid #e4e4e7
c2-autocomplete > footer
--c2-autocomplete__footer--backgroundcolortransparent
--c2-autocomplete__footer--colorcolor#71717a
--c2-autocomplete__footer--paddingpadding10px 12px
--c2-autocomplete__footer--border-topborder1px solid #e4e4e7
c2-autocomplete > option
--c2-autocomplete__option--min-heightpixel44px
--c2-autocomplete__option--padding-toppixel8px
--c2-autocomplete__option--padding-rightpixel10px
--c2-autocomplete__option--padding-bottompixel8px
--c2-autocomplete__option--padding-leftpixel10px
--c2-autocomplete__option--gappixel10px
--c2-autocomplete__option--border-radiusborder-radius6px
c2-autocomplete > option > active
--c2-autocomplete__option__active--backgroundcolor#f4f4f5
--c2-autocomplete__option__active--colorcolor#18181b
c2-autocomplete > description
--c2-autocomplete__description--colorcolor#71717a
--c2-autocomplete__description--font-sizefont-size12px
c2-autocomplete > highlight
--c2-autocomplete__highlight--colorcolorrgb(2, 101, 220)
--c2-autocomplete__highlight--font-weightfont-weight600
c2-autocomplete > status
--c2-autocomplete__status--colorcolor#71717a
--c2-autocomplete__status--paddingpadding14px 12px
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