c2n/web-componentsv0.0.6
GitHub repository

Toast

Notification cards and a manager for stacked, queued notifications with independent lifetimes.

c2-toast

Attributes

NameTypeDefaultDescription
messagestring—Plain-text message; the default slot can replace it.
headingstring—Optional title above the message.
variant'neutral' | 'info' | 'success' | 'warning' | 'error'neutralSemantic icon variant.
no-iconbooleanfalseHides the leading icon and removes its space from the layout.
show-progressbooleanfalseDisplays a countdown bar. Managed toasts receive progress from their region.
progressnumber1Remaining fraction from 0 to 1. Standalone cards display this value without starting a timer.
dismissiblebooleanfalseShows a keyboard-accessible dismiss button.
action-labelstring—Label for the optional action button.
close-labelstringDismiss notificationAccessible name of the dismiss button.
managedbooleanfalseSet by a region to prevent duplicate announcements.

Events

NameTypeDescription
toast-closeCustomEventDismiss requested by the close button or Escape; detail contains reason.
toast-actionCustomEventThe action-label button was activated.

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-toast__container--backgroundcolor#ffffff
--c2-toast__container--colorcolor#18181b
--c2-toast__container--borderborder1px solid #e4e4e7
--c2-toast__container--border-radiusborder-radius10px
--c2-toast__container--paddingpadding14px 16px
--c2-toast__container--gappixel12px
--c2-toast__container--box-shadowbox-shadow0 4px 16px rgba(0, 0, 0, 0.1)
--c2-toast__container--font-familyfont-familyinherit
--c2-toast__container--font-sizefont-size14px
--c2-toast__container--line-heightline-height1.5
--c2-toast__heading--font-weightfont-weight600
--c2-toast__icon--align-selfalign-selfcenter
--c2-toast__icon--sizepixel20px
--c2-toast__icon--colorcolor#71717a
--c2-toast__icon__info--colorcolor#2563eb
--c2-toast__icon__success--colorcolor#15803d
--c2-toast__icon__warning--colorcolor#a16207
--c2-toast__icon__error--colorcolor#dc2626
--c2-toast__progress--heightpixel3px
--c2-toast__progress--colorcolor#2563eb
--c2-toast__progress--backgroundcolorrgba(37, 99, 235, 0.15)
--c2-toast__action--colorcolor#2563eb
--c2-toast__close--colorcolor#71717a
--c2-toast__close__hover--backgroundcolor#f4f4f5
--c2-toast__button__focus--outlineoutline2px solid #476ef9

c2-toast-region

Attributes

NameTypeDefaultDescription
position'top-left' | 'top-center' | 'top-right' | 'bottom-left' | 'bottom-center' | 'bottom-right'bottom-rightViewport corner or center edge at which notifications appear.
max-visiblenumber3Maximum visible notifications; the rest wait without running their timers.
labelstringNotificationsAccessible region name.
inlinebooleanfalseInline layout for embedded notification stacks.
enter-animationToastAnimationslide-upEntrance effect. Directions describe movement: slide-down enters from above.
exit-animationToastAnimationfadeExit effect. Directions describe movement: slide-right exits toward the right.
animation-durationnumber200Entrance and exit duration in milliseconds. Zero disables animation.
show-progressbooleantrueShows a remaining-time bar on timed notifications by default; set false to hide it.

Events

NameTypeDescription
toast-actionCustomEventAction activated; detail contains id and toast. The toast is then dismissed.
toast-dismissCustomEventA toast was removed; detail contains id, toast and reason.

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-toast-region__container--widthpixel360px
--c2-toast-region__container--gappixel12px
--c2-toast-region__container--offsetpixel20px
--c2-toast-region__container--z-indexnumber1000
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