Jack

No dependencies
Code format
React + Tailwind
const css = `
  @keyframes toggle-jack-pop {
    0% { transform: scaleY(0.45); }
    35% { transform: translateY(-8px) scaleY(1.15); }
    55% { transform: translateY(3px) scaleY(0.92); }
    75% { transform: translateY(-2px) scaleY(1.04); }
    100% { transform: translateY(0) scaleY(1); }
  }
  @keyframes toggle-jack-wobble { 0% { transform: rotate(0deg); } 20% { transform: rotate(-14deg); } 40% { transform: rotate(10deg); } 60% { transform: rotate(-6deg); } 80% { transform: rotate(3deg); } 100% { transform: rotate(0deg); } }
  .toggle-jack { display: inline-flex; align-items: center; gap: 14px; color: light-dark(#42454c, #e5e6e9); font-size: 15px; cursor: pointer; user-select: none; }
  .toggle-jack__input { position: absolute; width: 1px; height: 1px; margin: 0; opacity: 0; }
  .toggle-jack__art { display: block; width: 84px; height: 100px; overflow: visible; border-radius: 8px; }
  .toggle-jack__input:focus-visible + .toggle-jack__art { outline: 2px solid light-dark(#5f626a, #a7abb2); outline-offset: 4px; }
  .toggle-jack__box { fill: light-dark(#cbced3, #393c41); }
  .toggle-jack__trim { fill: light-dark(#6d7179, #7d8087); }
  .toggle-jack__lid { fill: light-dark(#6d7179, #7d8087); }
  .toggle-jack__crank { fill: none; stroke: light-dark(#5f626a, #a7abb2); stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
  .toggle-jack__knob { fill: light-dark(#50535b, #c6c8cd); }
  .toggle-jack__spring { fill: none; stroke: light-dark(#5f626a, #a7abb2); stroke-width: 2; stroke-linejoin: round; }
  .toggle-jack__head { fill: light-dark(#42454c, #e5e6e9); }
  .toggle-jack__hat { fill: light-dark(#5f626a, #a7abb2); }
  .toggle-jack__bobble { fill: light-dark(#373a40, #f1f2f3); }
  .toggle-jack__feature { fill: light-dark(#ebedf0, #232529); }
  .toggle-jack__smile { fill: none; stroke: light-dark(#ebedf0, #232529); stroke-width: 1.3; stroke-linecap: round; }
  /* On: the crank turns twice, the lid springs open and he pops out. Off: he ducks in and the lid shuts on him. */
  .toggle-jack__handle { transform-box: view-box; transform-origin: 66px 74px; transition: transform 0.2s; }
  .toggle-jack__hinge { transform-box: view-box; transform-origin: 13px 52px; transition: transform 0.3s cubic-bezier(0.5, 0, 0.6, 1.6) 0.25s; }
  .toggle-jack__rise { transform-box: view-box; transform-origin: 38px 88px; transform: scaleY(0.45); transition: transform 0.25s ease-in; }
  .toggle-jack__sway { transform-box: view-box; transform-origin: 38px 88px; }
  .toggle-jack__input:checked + .toggle-jack__art .toggle-jack__handle { transform: rotate(720deg); transition: transform 0.8s cubic-bezier(0.4, 0, 0.6, 1); }
  .toggle-jack__input:checked + .toggle-jack__art .toggle-jack__hinge { transform: rotate(-118deg); transition: transform 0.35s cubic-bezier(0.3, 1.5, 0.5, 1) 0.75s; }
  .toggle-jack__input:checked + .toggle-jack__art .toggle-jack__rise { transform: none; animation: toggle-jack-pop 0.6s ease-out 0.78s backwards; }
  .toggle-jack__input:checked + .toggle-jack__art .toggle-jack__sway { animation: toggle-jack-wobble 1.4s ease-out 1.1s; }
  @media (prefers-reduced-motion: reduce) {
    .toggle-jack__handle, .toggle-jack__hinge, .toggle-jack__rise,
    .toggle-jack__input:checked + .toggle-jack__art .toggle-jack__handle,
    .toggle-jack__input:checked + .toggle-jack__art .toggle-jack__hinge { transition: none; }
    .toggle-jack__input:checked + .toggle-jack__art .toggle-jack__rise, .toggle-jack__input:checked + .toggle-jack__art .toggle-jack__sway { animation: none; }
  }
`;

export function JackToggle() {
  return (
    <>
      <style>
        {css}
      </style>
      <label className="toggle-jack">
        <input className="toggle-jack__input" type="checkbox" role="switch" />
        <svg className="toggle-jack__art" viewBox="0 0 82 98" aria-hidden="true">
          <g className="toggle-jack__sway">
            <g className="toggle-jack__rise">
              <path className="toggle-jack__spring" d="M38 88L31 84L45 79L31 74L45 69L31 64L45 59L38 55" />
              <path className="toggle-jack__hat" d="M30 40L38 22L46 40Z" />
              <circle className="toggle-jack__bobble" cx="38" cy="21" r="2.5" />
              <circle className="toggle-jack__head" cx="38" cy="46" r="9" />
              <circle className="toggle-jack__feature" cx="34.5" cy="44.5" r="1.2" />
              <circle className="toggle-jack__feature" cx="41.5" cy="44.5" r="1.2" />
              <path className="toggle-jack__smile" d="M34 49Q38 52.5 42 49" />
            </g>
          </g>
          {/* The box front is drawn over him, so while he is folded down he is out of sight. */}
          <rect className="toggle-jack__box" x="14" y="54" width="48" height="38" rx="3" />
          <path className="toggle-jack__trim" d="M14 64H62V67H14ZM14 79H62V82H14Z" />
          <path className="toggle-jack__trim" d="M38 69L42 73L38 77L34 73Z" />
          <g className="toggle-jack__hinge">
            <rect className="toggle-jack__lid" x="12" y="49" width="52" height="6" rx="2" />
          </g>
          <g className="toggle-jack__handle">
            <path className="toggle-jack__crank" d="M62 74H66V66H72" />
            <circle className="toggle-jack__knob" cx="73" cy="66" r="2.5" />
          </g>
        </svg>
        <span>Surprise</span>
      </label>
    </>
  );
}

Free to use in any project, commercial included. MIT-0, no attribution required. Licence

Install with shadcn

npx shadcn@latest add @movin/toggle-jack
Source on GitHub

About this component

A surprise switch drawn as a jack-in-the-box: the crank turns twice, the lid springs open and the jack pops out wobbling; off ducks him back in and shuts the lid.

Dependencies
None
Difficulty
Intermediate
Triggers
click, state change, spring, keyframe
Techniques
keyframes, svg, transform only
Reduced motion
Respected
Theme
Light and dark (follows your page's color-scheme)

A native checkbox with role="switch" inside a <label>, so Space toggles it and the visible text names it; :focus-visible on the input outlines the drawing, which is aria-hidden. Under prefers-reduced-motion the lid opens and he appears at once.

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