长按确认

<div class="motion-demo motion-demo--hold-to-confirm" data-motion="hold-to-confirm" aria-label="长按确认 示例">
  <div><button class="motion-button" type="button" data-hold-button data-idle-label="长按确认" data-complete-label="已确认" data-hold-message="持续按住以确认" data-cancel-label="操作已取消" aria-pressed="false"><span data-hold-label>长按确认</span><span class="motion-progress" data-hold-progress aria-hidden="true"></span></button><span class="motion-status" data-motion-status role="status" aria-live="polite"></span></div>
</div>

.motion-demo.motion-demo--hold-to-confirm {
  box-sizing: border-box;
  position: relative;
  display: grid;
  place-items: center;
  width: min(100%, 34rem);
  min-height: 15rem;
  padding: 2rem;
  overflow: hidden;
  color: #18181b;
  background: #fafafa;
  border: 1px solid #e4e4e7;
  border-radius: 16px;
  isolation: isolate;
}

.motion-demo.motion-demo--hold-to-confirm *, .motion-demo.motion-demo--hold-to-confirm *::before, .motion-demo.motion-demo--hold-to-confirm *::after {
  box-sizing: border-box;
}

.motion-demo.motion-demo--hold-to-confirm .motion-surface {
  position: relative;
  display: grid;
  gap: 0.65rem;
  width: min(100%, 18rem);
  padding: 1.25rem;
  background: #ffffff;
  border: 1px solid #e4e4e7;
  border-radius: 16px;
  box-shadow: none;
}

.motion-demo.motion-demo--hold-to-confirm .motion-surface strong { font-weight: 500; }

.motion-demo.motion-demo--hold-to-confirm .motion-line {
  display: block;
  width: 100%;
  height: 0.5rem;
  background: #e4e4e7;
  border-radius: 999px;
}

.motion-demo.motion-demo--hold-to-confirm .motion-line:last-child { width: 62%; }

.motion-demo.motion-demo--hold-to-confirm .motion-button {
  position: relative;
  min-height: 2.75rem;
  padding: 0.75rem 1.1rem;
  color: white;
  font: inherit;
  font-weight: 700;
  background: #18181b;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
}

.motion-demo.motion-demo--hold-to-confirm .motion-button:focus-visible { outline: 3px solid rgb(37 99 235 / 32%); outline-offset: 3px; }

.motion-demo.motion-demo--hold-to-confirm .motion-action-row {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 0.85rem;
}

.motion-demo.motion-demo--hold-to-confirm .motion-replay-scene {
  width: min(100%, 22rem);
  display: grid;
  place-items: center;
}

.motion-demo.motion-demo--hold-to-confirm .motion-pausable-scene {
  width: min(100%, 22rem);
  display: grid;
  place-items: center;
}

.motion-demo.motion-demo--hold-to-confirm button.motion-surface {
  color: inherit;
  font: inherit;
  text-align: start;
  cursor: pointer;
}

.motion-demo.motion-demo--hold-to-confirm .motion-replay-button,
.motion-demo.motion-demo--hold-to-confirm .motion-undo-button,
.motion-demo.motion-demo--hold-to-confirm .motion-dismiss-button,
.motion-demo.motion-demo--hold-to-confirm .motion-pause-button {
  min-height: 2.75rem;
  padding: 0.65rem 0.9rem;
  color: #18181b;
  font: 650 0.78rem/1 ui-sans-serif, system-ui, sans-serif;
  background: #ffffff;
  border: 1px solid #d4d4d8;
  border-radius: 8px;
  cursor: pointer;
}

.motion-demo.motion-demo--hold-to-confirm .motion-replay-button:focus-visible,
.motion-demo.motion-demo--hold-to-confirm .motion-undo-button:focus-visible,
.motion-demo.motion-demo--hold-to-confirm .motion-dismiss-button:focus-visible,
.motion-demo.motion-demo--hold-to-confirm .motion-pause-button:focus-visible,
.motion-demo.motion-demo--hold-to-confirm [data-reorder-item]:focus-visible,
.motion-demo.motion-demo--hold-to-confirm [data-swipe-target]:focus-visible {
  outline: 3px solid rgb(37 99 235 / 32%);
  outline-offset: 3px;
}

.motion-demo.motion-demo--hold-to-confirm .motion-status {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.motion-demo.motion-demo--hold-to-confirm .motion-ripple-ink {
  position: absolute;
  width: 12px;
  height: 12px;
  pointer-events: none;
  background: rgb(255 255 255 / 72%);
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0.95);
  opacity: 0;
}

.motion-demo.motion-demo--hold-to-confirm .motion-state-stack { position: relative; width: min(100%, 18rem); height: 9rem; }
.motion-demo.motion-demo--hold-to-confirm .motion-state { position: absolute; inset: 0; display: grid; place-items: center; padding: 1rem; background: #ffffff; border: 1px solid #e4e4e7; border-radius: 16px; }
.motion-demo.motion-demo--hold-to-confirm .motion-state--to { background: #18181b; color: white; }

.motion-demo.motion-demo--hold-to-confirm .motion-scroll-track > span { color: #71717a; font: 600 0.72rem/1.2 ui-monospace, monospace; letter-spacing: 0.08em; text-transform: uppercase; }
.motion-demo.motion-demo--hold-to-confirm .motion-orbit-item { display: grid; place-items: center; width: 2.5rem; height: 2.5rem; color: white; background: #2563eb; border-radius: 50%; }
.motion-demo.motion-demo--hold-to-confirm .motion-text-stack { position: relative; width: min(100%, 18rem); min-height: 4rem; }
.motion-demo.motion-demo--hold-to-confirm svg { width: min(100%, 20rem); height: auto; }

.motion-demo.motion-demo--hold-to-confirm .motion-button { position: relative; overflow: hidden; transition: transform 120ms cubic-bezier(0.23, 1, 0.32, 1), background-color 120ms ease-out; }
.motion-demo.motion-demo--hold-to-confirm .motion-button:active { transform: scale(0.98); }
.motion-demo.motion-demo--hold-to-confirm .motion-progress { position: absolute; inset: auto 0 0; height: 4px; pointer-events: none; background: #2563eb; clip-path: inset(0 100% 0 0); }
.motion-demo.motion-demo--hold-to-confirm .motion-button[data-state="holding"] { background: #1d4ed8; }
.motion-demo.motion-demo--hold-to-confirm .motion-button[data-state="complete"] { background: #166534; }

@keyframes motion-hold-to-confirm-reduced-fade {
  from { opacity: 0.84; }
  to { opacity: 1; }
}

.force-reduced-motion .motion-demo.motion-demo--hold-to-confirm {
  animation: motion-hold-to-confirm-reduced-fade 160ms cubic-bezier(0.23, 1, 0.32, 1) both !important;
}

.force-reduced-motion .motion-demo.motion-demo--hold-to-confirm *,
.force-reduced-motion .motion-demo.motion-demo--hold-to-confirm *::before,
.force-reduced-motion .motion-demo.motion-demo--hold-to-confirm *::after {
  animation: none !important;
  animation-delay: 0ms !important;
  animation-iteration-count: 1 !important;
  transition-property: opacity, color, background-color, border-color !important;
  transition-duration: 160ms !important;
  transition-delay: 0ms !important;
  scroll-behavior: auto !important;
}

.force-reduced-motion .motion-demo.motion-demo--hold-to-confirm .motion-button,
.force-reduced-motion .motion-demo.motion-demo--hold-to-confirm [data-reorder-item],
.force-reduced-motion .motion-demo.motion-demo--hold-to-confirm [data-swipe-target],
.force-reduced-motion .motion-demo.motion-demo--hold-to-confirm [data-spring-target] {
  transform: none !important;
}

.force-reduced-motion .motion-demo.motion-demo--hold-to-confirm .motion-path { stroke-dashoffset: 0 !important; }
.force-reduced-motion .motion-demo.motion-demo--hold-to-confirm .motion-word--from { opacity: 0 !important; visibility: hidden; }
.force-reduced-motion .motion-demo.motion-demo--hold-to-confirm .motion-word:not(.motion-word--from) { opacity: 1 !important; filter: none !important; transform: none !important; }

@media (prefers-reduced-motion: reduce) {
  .motion-demo.motion-demo--hold-to-confirm {
    animation: motion-hold-to-confirm-reduced-fade 160ms cubic-bezier(0.23, 1, 0.32, 1) both !important;
  }

  .motion-demo.motion-demo--hold-to-confirm *, .motion-demo.motion-demo--hold-to-confirm *::before, .motion-demo.motion-demo--hold-to-confirm *::after {
    animation: none !important;
    animation-delay: 0ms !important;
    animation-iteration-count: 1 !important;
    transition-property: opacity, color, background-color, border-color !important;
    transition-duration: 160ms !important;
    transition-delay: 0ms !important;
    scroll-behavior: auto !important;
  }

  .motion-demo.motion-demo--hold-to-confirm .motion-button,
  .motion-demo.motion-demo--hold-to-confirm [data-reorder-item],
  .motion-demo.motion-demo--hold-to-confirm [data-swipe-target],
  .motion-demo.motion-demo--hold-to-confirm [data-spring-target] {
    transform: none !important;
  }

  .motion-demo.motion-demo--hold-to-confirm .motion-path { stroke-dashoffset: 0 !important; }
  .motion-demo.motion-demo--hold-to-confirm .motion-word--from { opacity: 0 !important; visibility: hidden; }
  .motion-demo.motion-demo--hold-to-confirm .motion-word:not(.motion-word--from) { opacity: 1 !important; filter: none !important; transform: none !important; }
}

(() => {
  const config = {
  "id": "hold-to-confirm",
  "duration": 1200,
  "distance": 72,
  "resistance": 65,
  "position": 50,
  "stiffness": 220,
  "damping": 24,
  "mass": 1,
  "velocity": 0,
  "rippleSize": 220,
  "rippleOpacity": 24,
  "dragScale": 98,
  "autoplay": false
};
  const mount = (root, config) => {

    const cleanups = [];
    const addCleanup = (callback) => cleanups.push(callback);
    const cleanup = () => {
      for (let index = cleanups.length - 1; index >= 0; index -= 1) {
        try { cleanups[index](); } catch { /* keep cleanup reentrant */ }
      }
      cleanups.length = 0;
    };
    const on = (target, type, listener, options) => {
      target.addEventListener(type, listener, options);
      addCleanup(() => target.removeEventListener(type, listener, options));
    };
    const reduced = () => root.closest(".force-reduced-motion") !== null ||
      window.matchMedia("(prefers-reduced-motion: reduce)").matches;
    const watchReduced = (callback) => {
      const media = window.matchMedia("(prefers-reduced-motion: reduce)");
      const notify = () => callback(reduced());
      media.addEventListener("change", notify);
      const observer = typeof MutationObserver === "undefined" ? null : new MutationObserver(notify);
      let ancestor = root;
      while (observer && ancestor) {
        observer.observe(ancestor, { attributes: true, attributeFilter: ["class"] });
        ancestor = ancestor.parentElement;
      }
      addCleanup(() => {
        media.removeEventListener("change", notify);
        if (observer) observer.disconnect();
      });
    };

    const button = root.querySelector("[data-hold-button]");
    const progress = root.querySelector("[data-hold-progress]");
    const label = root.querySelector("[data-hold-label]");
    const status = root.querySelector("[data-motion-status]");
    if (!button || !progress || !label) return cleanup;
    const initialLabel = button.dataset.idleLabel || label.textContent || "Confirm";
    const initialStatus = status ? status.textContent : "";
    let pointerId = null;
    let keyboard = false;
    let completed = false;
    let deadline = 0;
    let timer = 0;
    let progressAnimation = null;
    let releaseAnimation = null;
    const setStatus = (message) => { if (status) status.textContent = message; };
    const clearWork = () => {
      window.clearTimeout(timer);
      timer = 0;
      if (progressAnimation) progressAnimation.cancel();
      if (releaseAnimation) releaseAnimation.cancel();
      progressAnimation = null;
      releaseAnimation = null;
    };
    const resetVisual = () => {
      completed = false;
      button.dataset.state = "idle";
      button.setAttribute("aria-pressed", "false");
      label.textContent = initialLabel;
      progress.style.clipPath = "inset(0 100% 0 0)";
      progress.style.opacity = "";
    };
    const canonical = () => {
      clearWork();
      if (pointerId !== null && button.hasPointerCapture(pointerId)) button.releasePointerCapture(pointerId);
      pointerId = null;
      keyboard = false;
      deadline = 0;
      resetVisual();
      setStatus(initialStatus || "");
    };
    addCleanup(canonical);
    const complete = () => {
      if (completed) return;
      clearWork();
      completed = true;
      keyboard = false;
      if (pointerId !== null && button.hasPointerCapture(pointerId)) button.releasePointerCapture(pointerId);
      pointerId = null;
      deadline = 0;
      progress.style.clipPath = "inset(0 0 0 0)";
      progress.style.opacity = "";
      button.dataset.state = "complete";
      button.setAttribute("aria-pressed", "true");
      label.textContent = button.dataset.completeLabel || "Confirmed";
      setStatus(button.dataset.completeLabel || "Confirmed");
      button.dispatchEvent(new CustomEvent("motion:confirm", { bubbles: true }));
    };
    const cancelHold = () => {
      if (completed) return;
      const clip = getComputedStyle(progress).clipPath;
      clearWork();
      if (pointerId !== null && button.hasPointerCapture(pointerId)) button.releasePointerCapture(pointerId);
      pointerId = null;
      keyboard = false;
      deadline = 0;
      button.dataset.state = "idle";
      button.setAttribute("aria-pressed", "false");
      label.textContent = initialLabel;
      if (reduced()) {
        progress.style.clipPath = "inset(0 100% 0 0)";
        progress.style.opacity = "";
      } else {
        progress.style.clipPath = clip;
        releaseAnimation = progress.animate(
          [{ clipPath: clip, opacity: 1 }, { clipPath: "inset(0 100% 0 0)", opacity: 0.55 }],
          { duration: 160, easing: "cubic-bezier(0.23, 1, 0.32, 1)", fill: "forwards" }
        );
        releaseAnimation.addEventListener("finish", () => {
          releaseAnimation = null;
          progress.style.clipPath = "inset(0 100% 0 0)";
          progress.style.opacity = "";
        }, { once: true });
      }
      setStatus(button.dataset.cancelLabel || "Cancelled");
      button.dispatchEvent(new CustomEvent("motion:cancel", { bubbles: true }));
    };
    const run = () => {
      if (completed || (pointerId === null && !keyboard)) return;
      window.clearTimeout(timer);
      timer = 0;
      if (progressAnimation) progressAnimation.cancel();
      if (releaseAnimation) releaseAnimation.cancel();
      progressAnimation = null;
      releaseAnimation = null;
      const total = Math.max(1, config.duration);
      const remaining = Math.max(0, deadline - performance.now());
      const value = Math.min(1, Math.max(0, 1 - remaining / total));
      button.dataset.state = "holding";
      button.setAttribute("aria-pressed", "false");
      label.textContent = button.dataset.holdMessage || "Hold to confirm";
      setStatus(button.dataset.holdMessage || "Hold to confirm");
      if (remaining === 0) { complete(); return; }
      if (reduced()) {
        progress.style.clipPath = "inset(0 75% 0 0)";
        progress.style.opacity = "0.55";
        timer = window.setTimeout(complete, remaining);
        return;
      }
      progress.style.opacity = "";
      progressAnimation = progress.animate(
        [
          { clipPath: "inset(0 " + String((1 - value) * 100) + "% 0 0)" },
          { clipPath: "inset(0 0 0 0)" }
        ],
        { duration: remaining, easing: "linear", fill: "forwards" }
      );
      progressAnimation.addEventListener("finish", complete, { once: true });
    };
    const start = () => { deadline = performance.now() + Math.max(1, config.duration); run(); };
    const pointerDown = (event) => {
      if (!event.isPrimary || event.button !== 0 || pointerId !== null || keyboard) return;
      if (completed) resetVisual();
      pointerId = event.pointerId;
      button.setPointerCapture(event.pointerId);
      start();
    };
    const pointerEnd = (event) => {
      if (event.pointerId !== pointerId) return;
      if (button.hasPointerCapture(event.pointerId)) button.releasePointerCapture(event.pointerId);
      if (!completed) cancelHold();
    };
    const keyDown = (event) => {
      if (event.key !== "Enter" && event.key !== " ") return;
      event.preventDefault();
      if (event.repeat || keyboard || pointerId !== null) return;
      if (completed) resetVisual();
      keyboard = true;
      start();
    };
    const keyUp = (event) => {
      if ((event.key !== "Enter" && event.key !== " ") || !keyboard) return;
      event.preventDefault();
      keyboard = false;
      if (!completed) cancelHold();
    };
    const blur = () => { if (keyboard && !completed) cancelHold(); };
    watchReduced(run);
    on(button, "pointerdown", pointerDown);
    on(button, "pointerup", pointerEnd);
    on(button, "pointercancel", pointerEnd);
    on(button, "keydown", keyDown);
    on(button, "keyup", keyUp);
    on(button, "blur", blur);
    return cleanup;
  };
  document.querySelectorAll("[data-motion=\"hold-to-confirm\"]").forEach((root) => {
    const cleanupKey = "__motionLexiconCleanup";
    if (typeof root[cleanupKey] === "function") root[cleanupKey]();
    root[cleanupKey] = mount(root, config);
  });
})();