c2n/web-componentsv1.0.18
OverviewGetting startedComponentsIconsGuidesExamples
OverviewGetting startedComponentsIconsGuidesExamples
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Chip Group

A single row of chips or badges that collapses whatever does not fit into a +N indicator, recomputed as the row or its items change size.

Attributes

NameTypeDefaultDescription
maxnumber | undefinedundefinedMost items to show, whatever the space. Unset shows as many as fit.
expandedbooleanfalseShows every item, wrapping onto more rows.
expandablebooleanfalseMakes the indicator a button that expands the group, and adds a button that collapses it.
more-labelstringmoreWord after the count in the indicator's accessible name: 3 more.
collapse-labelstringShow lessText of the button that collapses an expanded group.

Slots

NameDescription
(default)The items: c2-chip, c2-badge, or any element using GroupItemSizeController from @c2n/core. Other elements are measured by the group itself.

Events

NameTypeDescription
overflow-changeCustomEventThe number of collapsed items changed. detail has visibleCount and hiddenCount.
expanded-changeEventThe user expanded or collapsed an expandable group. Read expanded on the target.

CSS parts

Shadow DOM styling hooks used with ::part(name). Prefer CSS custom properties when they cover the change.

NameDescription
rowThe flex row holding the visible items and the indicator.
overflowThe +N indicator, a <button> when expandable.
collapseThe button that collapses an expanded group.

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-chip-group
--c2-chip-group--gappixel6pxSpace between items, included in the fit calculation.
--c2-chip-group--align-itemsalign-itemscenter
c2-chip-group > overflow
--c2-chip-group__overflow--heightpixel28px
--c2-chip-group__overflow--min-widthpixel28px
--c2-chip-group__overflow--padding-leftpadding8px
--c2-chip-group__overflow--padding-rightpadding8px
--c2-chip-group__overflow--border-radiusborder-radius999px
--c2-chip-group__overflow--borderborder1px solid #e4e4e7
--c2-chip-group__overflow--background-colorcolor#f4f4f5
--c2-chip-group__overflow--colorcolor#52525b
--c2-chip-group__overflow--font-familyfont-familyinherit
--c2-chip-group__overflow--font-sizepixel12px
--c2-chip-group__overflow--font-weightfont-weight500
c2-chip-group > overflow > hover
--c2-chip-group__overflow__hover--borderborder1px solid #a1a1aaHover border of an expandable indicator and of the collapse button.
--c2-chip-group__overflow__hover--colorcolor#18181b
c2-chip-group > overflow > focus
--c2-chip-group__overflow__focus--outlineoutline2px solid rgba(2, 101, 220, 0.4)
--c2-chip-group__overflow__focus--outline-offsetpixel2px
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displayTreeHierarchical tree view with expansion, selection, checkboxes and lazy loading.Data displayTree SelectA dropdown for picking one or several rows from a hierarchy, with checkboxes, search and a form value.InputsTreemap chartA whole split into nested rectangles, each sized by its value: market maps, budgets and disk usage.ChartTruncateClamps text to a number of lines, with an optional Show more button.Data displayUploadDrag-and-drop file selection with validation, upload progress, retry, cancellation, and attachment results.InputsView OptionsThe Display popover of a collection: layout, grouping, ordering on several levels, Show switches and visible properties, reported as one plain value.InputsVirtual ListWindowed list with built-in search, sorting, selection and an async data source.Data displayVisually HiddenText for screen readers only: kept in the accessibility tree, drawn nowhere, optionally shown while it holds focus.LayoutWaterfall chartA running total bridged by the steps that move it, where one row is one step and totals mark where the bridge lands.ChartWeek PlannerWeekly schedule with time blocks: a typical week with optional odd and even weeks, or a dated week the user edits.PlanningWorking IndicatorA live "work in progress" line: animated mark, shimmering label, trailing dots and elapsed time.FeedbackFeather Icons287 open-source Feather icons, one web component each.IconsMat Icon2,234 Material Icons ligatures rendered through a single element.IconsPhosphor Icons1,512 flexible icons in six weights, one web component each.IconsSymbols157 themeable spot illustrations for empty states, status panels, onboarding and error pages.IconsTask icons191 duotone icons for to-do items: work, home, health, sport, learning, food, money, travel and more.IconsThemingTheme every c2n component from a handful of design tokens with @c2n/theme, or reach for any component variable directly.GuideLanguagesComponents show their text in English; add your app’s languages as one JSON object, picked by the nearest lang.GuideFrameworksUse the components from React, Vue, Angular, Svelte, Lit or plain HTML — typed events, generated template types, and the one piece of configuration each framework needs.GuideUsing c2n in an applicationThe workflow behind every c2n app: load the theme once, use c2-* tags directly, and turn every repeated pattern into a small variant or composed component.GuideAI toolsGive Claude Code, Codex, Google Antigravity or GitHub Copilot the c2n skill, live component APIs, examples and application conventions.GuideNo components match.
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