c2n/web-componentsv0.0.6
GitHub repository

Menu

Commands, links, checkboxes and submenus in a popover anchored to a trigger.

c2-menu

Attributes

NameTypeDefaultDescription
openbooleanfalseWhether the menu is showing. Set it to open or close the menu from code.
placementPlacementbottom-startPreferred placement of the surface (floating-ui names). Submenus default to `right-start`.
anchorstring | HTMLElement | undefinedundefinedAnchor element, or (attribute) the id of an element in the same tree. Defaults to the slotted trigger.
fit-anchorbooleanfalseMake the surface exactly as wide as the anchor instead of as wide as its content.
keep-openbooleanfalseKeep the menu open after a row is activated. Also available per row as `keep-open`.
disabledbooleanfalseIgnores the trigger and never opens.
aria-labelstring | nullnullAccessible name of the surface.

Events

NameTypeDescription
menu-selectCustomEvent<MenuSelectEventDetail>Bubbles from the activated row: `detail.value`, `detail.checked` and `detail.data` of that row.
toggleToggleEventFired after the menu opens or closes; `newState` is `open` or `closed`.

CSS custom properties

Grouped by the element and state they target. Click a group to collapse it; click a name to copy it.

NameTypeDefaultDescription
--c2-menu--backgroundcolor#ffffff
--c2-menu--min-widthpixel128pxFloor for the surface, which is otherwise as wide as its content (and never narrower than a slotted trigger).
--c2-menu--max-heightpixel320pxThe menu scrolls past this height.
--c2-menu--border-topborder1px solid #e4e4e7
--c2-menu--border-rightborder1px solid #e4e4e7
--c2-menu--border-bottomborder1px solid #e4e4e7
--c2-menu--border-leftborder1px solid #e4e4e7
--c2-menu--border-top-left-radiusborder-radius8px
--c2-menu--border-top-right-radiusborder-radius8px
--c2-menu--border-bottom-left-radiusborder-radius8px
--c2-menu--border-bottom-right-radiusborder-radius8px
--c2-menu--box-shadowbox-shadow0 8px 24px rgba(24, 24, 27, 0.08)
--c2-menu--padding-toppadding4px
--c2-menu--padding-rightpadding4px
--c2-menu--padding-bottompadding4px
--c2-menu--padding-leftpadding4px
--c2-menu--gappixel—Space between the rows.
--c2-menu__separator--colorcolor#e4e4e7
--c2-menu__separator--marginmargin4px 0
--c2-menu__heading--colorcolor#71717a
--c2-menu__heading--font-sizefont-size11px
--c2-menu__heading--font-weightfont-weight600
--c2-menu__heading--letter-spacingletter-spacing0.06em
--c2-menu__heading--text-transformtext-transformuppercase
--c2-menu__heading--padding-toppadding8px
--c2-menu__heading--padding-rightpadding8px
--c2-menu__heading--padding-bottompadding4px
--c2-menu__heading--padding-leftpadding8px

c2-menu-item

Attributes

NameTypeDefaultDescription
valuestring—The value reported in `menu-select`.
disabledbooleanfalseDims the row and ignores clicks and keyboard.
typeMenuItemTypeitem`item` is a command, `checkbox` toggles, `radio` picks one row of a `name` group.
checkedbooleanfalseChecked state of a `checkbox` / `radio` row; shown as a check mark or a dot.
namestring | undefined—Radio group name. Selecting a `radio` row unchecks the other rows of the same group in that menu.
hrefstring | undefined—Makes the row a link; Enter and a click navigate, and `menu-select` still fires.
targetstring | undefined—
destructivebooleanfalsePaints the row in the destructive colour, for delete-style commands.
keep-openbooleanfalseKeeps the menu open after this row is activated, e.g. for a checkbox row.
labelstring | undefined—Label used for typeahead and as the default slot's fallback content.
expandedbooleanfalseSet by the parent menu while this row's submenu is open. Announced as `aria-expanded`.
reserve-indicatorbooleanfalsePrivate: set by the parent menu on every row while any sibling is checkable, so the labels line up.

Events

NameTypeDescription
menu-selectCustomEvent<MenuSelectEventDetail>Fired after the row is activated by a click, Enter or Space. Cancelable; a row with a submenu never fires it.
checked-changeCustomEvent<{ checked: boolean; value: string }>Fired after the `checked` state of a `checkbox` / `radio` row changes.

CSS custom properties

Grouped by the element and state they target. Click a group to collapse it; click a name to copy it.

NameTypeDefaultDescription
--c2-menu-item--min-heightpixel32px
--c2-menu-item--gappixel8pxSpace between the indicator, icons, label and shortcut.
--c2-menu-item--border-top-left-radiusborder-radius6px
--c2-menu-item--border-top-right-radiusborder-radius6px
--c2-menu-item--border-bottom-left-radiusborder-radius6px
--c2-menu-item--border-bottom-right-radiusborder-radius6px
--c2-menu-item--padding-toppadding6px
--c2-menu-item--padding-rightpadding8px
--c2-menu-item--padding-bottompadding6px
--c2-menu-item--padding-leftpadding8px
--c2-menu-item--font-sizefont-size14px
--c2-menu-item--font-weightfont-weight—
--c2-menu-item--font-stylefont-style—
--c2-menu-item--font-familyfont-family—
--c2-menu-item--line-heightpixel20px
--c2-menu-item--colorcolor#18181b
--c2-menu-item--backgroundcolortransparent
--c2-menu-item__hover--backgroundcolor#f4f4f5Also the highlight of the keyboard-focused row.
--c2-menu-item__hover--colorcolor—Defaults to the row colour.
--c2-menu-item__description--colorcolor#71717a
--c2-menu-item__description--font-sizefont-size12px
--c2-menu-item__description--line-heightpixel16px
--c2-menu-item__description--margin-toppixel1px
--c2-menu-item__shortcut--colorcolor#a1a1aa
--c2-menu-item__shortcut--font-sizefont-size12px
--c2-menu-item__shortcut--letter-spacingletter-spacing0.04em
--c2-menu-item__icon--sizepixel16px
--c2-menu-item__icon--colorcolor#71717a
--c2-menu-item__indicator--sizepixel16px
--c2-menu-item__indicator--colorcolor—The check mark / radio dot. Defaults to the row colour.
--c2-menu-item__destructive--colorcolor#dc2626Label and icon colour of a `destructive` row.
--c2-menu-item__destructive__hover--backgroundcolor#fef2f2
--c2-menu-item__focus--outlineoutline2px solid rgba(2, 101, 220, 0.4)
--c2-menu-item__focus--outline-offsetpixel-2px
--c2-menu-item__disabled--opacityopacity0.38
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