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notifications-toasts

notifications-toasts

github.com/dylantarreDesign & UI132565 installsUpdated 43w ago
Repository

About notifications-toasts

A design skill for animating notifications and toasts with Disney’s 12 animation principles. It describes entrance, attention, stacking, and exit states, with timing guidance for less disruptive alerts.

Key features

  1. 01Applies 12 principles to toast motion
  2. 02Defines entrance, visible, stacked, and exit states
  3. 03Provides timing guidance for toast animations
  4. 04Coordinates icons and progress bars with toast motion
  5. 05Matches animation emphasis to alert urgency

Use cases

  1. 01Designing animated success and error toasts
  2. 02Setting motion for stacked notifications
  3. 03Coordinating auto-dismiss progress with toast entry

Install

Copy the command and run it in a terminal.

$npx skills add https://github.com/dylantarre/animation-principles --skill notifications-toasts

After installing, type/notifications-toastsin Claude Code to confirm it loaded.

Details

From the project README

Notification & Toast Animation Principles

Apply Disney's 12 principles to notifications for attention-grabbing yet non-disruptive alerts.

Principles Applied to Notifications

1. Squash & Stretch

Toast can compress slightly on entrance impact, then stretch back. Creates a "landing" feel as if it arrived from off-screen.

2. Anticipation

Before auto-dismiss, toast can contract slightly (95% scale) for 100ms. Signals imminent departure to user.

3. Staging

Notifications should appear in consistent locations. Use color and icons to stage importance: info, success, warning, error.

4. Straight Ahead & Pose to Pose

Define states: entering, visible, exiting, stacked. Clear keyframes for entrance, attention (if needed), and exit.

5. Follow Through & Overlapping Action

Icon animates after container arrives (checkmark draws, bell wobbles). Progress bar for auto-dismiss follows toast entrance.

6. Ease In & Ease Out

Enter: ease-out (fast in, slow settle). Exit: ease-in (slow start, fast out). cubic-bezier(0.68, -0.55, 0.27, 1.55) for bounce.

7. Arcs

Toasts sliding from corners can follow slight arc. Bell icons should swing in arc, not rotate rigidly.

8. Secondary Action

While toast slides in (primary), shadow appears (secondary), icon animates (tertiary), progress bar starts (quaternary).

9. Timing
  • Toast enter: 200-300ms
  • Toast exit: 150-250ms
  • Auto-dismiss delay: 3000-5000ms
  • Attention pulse: 1000ms loop
  • Success checkmark draw: 300ms
  • Stack reorder: 200ms
10. Exaggeration

Error notifications can shake or pulse red. Critical alerts can be larger, bolder animations. Match urgency to importance.

11. Solid Drawing

Maintain consistent toast sizing. Icons should be crisp. Progress bars should be smooth (use transforms, not width).

12. Appeal

Smooth notifications feel polished. Jarring popups annoy users. A well-animated toast conveys professionalism.

CSS Implementation

.toast {
  animation: toastEnter 300ms cubic-bezier(0.68, -0.55, 0.27, 1.55);
}

.toast.exiting {
  animation: toastExit 200ms ease-in forwards;
}

@keyframes toastEnter {
  from {
    opacity: 0;
    transform: translateY(-100%) scale(0.9);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes toastExit {
  to {
    opacity: 0;
    transform: translateX(100%);
  }
}

.toast-progress {
  transform-origin: left;
  animation: progress 4000ms linear forwards;
}

Key Properties

  • transform: translate, scale
  • opacity: fade
  • animation: entrance/exit sequences
  • transform-origin: progress bars
  • box-shadow: depth

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