08タグ管理入力ウィジェット

<main class="stage">
  <div class="tg">
    <div class="tg__row">
      <input class="tg__input" type="text" placeholder="タグを入力してEnter" aria-label="新しいタグ">
      <button class="tg__add" type="button" aria-label="タグを追加">
        <svg viewBox="0 0 256 256" width="14" height="14"><g fill="currentColor"><path d="M224 128a96 96 0 1 1-96-96a96 96 0 0 1 96 96" opacity=".2"/><path d="M128 24a104 104 0 1 0 104 104A104.11 104.11 0 0 0 128 24m0 192a88 88 0 1 1 88-88a88.1 88.1 0 0 1-88 88m48-88a8 8 0 0 1-8 8h-32v32a8 8 0 0 1-16 0v-32H88a8 8 0 0 1 0-16h32V88a8 8 0 0 1 16 0v32h32a8 8 0 0 1 8 8"/></g></svg>
      </button>
    </div>
    <ul class="tg__list">
      <li class="tg__chip" data-tag="デザイン">デザイン<button class="tg__remove" type="button" aria-label="デザインを削除">×</button></li>
      <li class="tg__chip" data-tag="緊急">緊急<button class="tg__remove" type="button" aria-label="緊急を削除">×</button></li>
      <li class="tg__chip tg__chip--demo is-demo" aria-hidden="true">レビュー必要<button class="tg__remove" type="button" tabindex="-1" aria-hidden="true">×</button></li>
    </ul>
  </div>
</main>

@use "../../../../site/static/demo-tokens" as *;

$duration: $dur-quick;
$easing: $ease-pop;
$color: $subject-cream;

@include stage($stage-orange);

.tg {
  box-sizing: border-box;
  width: min(240px, 86vw);
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
}
.tg__row { display: flex; gap: $sp-2; margin: 0 0 $sp-3; }
.tg__input {
  flex: 1 1 auto; min-width: 0;
  box-sizing: border-box;
  border: 1px solid rgba(255, 247, 230, .35);
  background: rgba(255, 247, 230, .1);
  color: $subject-ink;
  border-radius: $r-control;
  padding: $sp-2 $sp-3;
  font: inherit; font-size: 12px;
}
.tg__input::placeholder { color: rgba(23, 20, 26, .72); }
.tg__add {
  flex: 0 0 auto;
  width: 32px; height: 32px; padding: 0;
  border: 0; background: $subject-cream; color: $subject-ink;
  border-radius: $r-control;
  display: grid; place-items: center; cursor: pointer;
}
.tg__list { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: $sp-2; }
.tg__chip {
  box-sizing: border-box;
  display: inline-flex; align-items: center; gap: $sp-1;
  background: rgba(255, 247, 230, .16);
  border: 1px solid rgba(255, 247, 230, .3);
  color: $subject-ink;
  padding: $sp-1 $sp-1 $sp-1 $sp-3;
  border-radius: $r-pill;
  font-size: 11px; font-weight: 600;
  opacity: 1; transform: scale(1);
  transition: opacity $duration $easing, transform $duration $easing;
}
.tg__chip--out { opacity: 0; transform: scale(.7); }
.tg__remove {
  width: 18px; height: 18px; padding: 0;
  border: 0; background: transparent; color: inherit;
  border-radius: 50%;
  font-size: 13px; line-height: 1; cursor: pointer;
}
.tg__remove:hover { background: rgba(255, 247, 230, .2); }
.tg__chip--demo { pointer-events: none; opacity: 0; transform: translateX(10px) scale(.9); }

// ── 자동 루프: 새 태그 칩이 계속 밀려 들어왔다 사라진다 ──────────────
.tg__chip--demo.is-demo { animation: tg-in 2.4s $easing infinite; }
@keyframes tg-in {
  0%   { opacity: 0; transform: translateX(10px) scale(.9); }
  35%  { opacity: 1; transform: translateX(0) scale(1); }
  80%  { opacity: 1; transform: translateX(0) scale(1); }
  100% { opacity: 0; transform: translateX(10px) scale(.9); }
}

@media (max-width: 340px) {
  .tg__chip { font-size: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  .tg__chip--demo.is-demo { animation: none !important; opacity: 0; }
  .tg__chip { transition: none; }
}

html, body {
  margin: 0;
  overflow: hidden;
}

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #ff4d1f;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.tg {
  box-sizing: border-box;
  width: min(240px, 86vw);
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
}

.tg__row {
  display: flex;
  gap: 8px;
  margin: 0 0 12px;
}

.tg__input {
  flex: 1 1 auto;
  min-width: 0;
  box-sizing: border-box;
  border: 1px solid rgba(255, 247, 230, 0.35);
  background: rgba(255, 247, 230, 0.1);
  color: #17141a;
  border-radius: 12px;
  padding: 8px 12px;
  font: inherit;
  font-size: 12px;
}

.tg__input::placeholder {
  color: rgba(23, 20, 26, 0.72);
}

.tg__add {
  flex: 0 0 auto;
  width: 32px;
  height: 32px;
  padding: 0;
  border: 0;
  background: #fff7e6;
  color: #17141a;
  border-radius: 12px;
  display: grid;
  place-items: center;
  cursor: pointer;
}

.tg__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tg__chip {
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(255, 247, 230, 0.16);
  border: 1px solid rgba(255, 247, 230, 0.3);
  color: #17141a;
  padding: 4px 4px 4px 12px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  opacity: 1;
  transform: scale(1);
  transition: opacity 220ms cubic-bezier(0.2, 1.4, 0.4, 1), transform 220ms cubic-bezier(0.2, 1.4, 0.4, 1);
}

.tg__chip--out {
  opacity: 0;
  transform: scale(0.7);
}

.tg__remove {
  width: 18px;
  height: 18px;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  border-radius: 50%;
  font-size: 13px;
  line-height: 1;
  cursor: pointer;
}

.tg__remove:hover {
  background: rgba(255, 247, 230, 0.2);
}

.tg__chip--demo {
  pointer-events: none;
  opacity: 0;
  transform: translateX(10px) scale(0.9);
}

.tg__chip--demo.is-demo {
  animation: tg-in 2.4s cubic-bezier(0.2, 1.4, 0.4, 1) infinite;
}

@keyframes tg-in {
  0% {
    opacity: 0;
    transform: translateX(10px) scale(0.9);
  }
  35% {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
  80% {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
  100% {
    opacity: 0;
    transform: translateX(10px) scale(0.9);
  }
}
@media (max-width: 340px) {
  .tg__chip {
    font-size: 10px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .tg__chip--demo.is-demo {
    animation: none !important;
    opacity: 0;
  }
  .tg__chip {
    transition: none;
  }
}

// 실제 동작: 입력하고 추가를 누르면(또는 Enter) 新しいタグ 칩이 실제로 생기고, ×를 누르면 그 태그만 실제로 사라진다.
var list = document.querySelector('.tg__list');
var input = document.querySelector('.tg__input');
var addBtn = document.querySelector('.tg__add');
function wireRemove(li) {
  li.querySelector('.tg__remove').addEventListener('click', function () {
    li.classList.add('tg__chip--out');
    setTimeout(function () { li.remove(); }, 180);
  });
}
function addTag() {
  var v = input.value.trim();
  if (!v) return;
  var li = document.createElement('li');
  li.className = 'tg__chip';
  li.dataset.tag = v;
  li.textContent = v;
  var rm = document.createElement('button');
  rm.type = 'button'; rm.className = 'tg__remove'; rm.textContent = '×';
  rm.setAttribute('aria-label', v + ' 削除');
  li.appendChild(rm);
  wireRemove(li);
  list.appendChild(li);
  input.value = '';
  input.focus({ preventScroll: true });
}
addBtn.addEventListener('click', addTag);
input.addEventListener('keydown', function (e) { if (e.key === 'Enter') { e.preventDefault(); addTag(); } });
document.querySelectorAll('.tg__chip:not(.tg__chip--demo)').forEach(wireRemove);

import { useState } from "react";
import type { CSSProperties } from "react";
import styles from "./TagManager.module.scss";

export type TagManagerProps = {
  duration?: number;
  easing?: string;
  color?: string;
};

type Vars = CSSProperties & { "--duration"?: string; "--easing"?: string; "--color"?: string };

export default function TagManager({ duration = 220, easing = "cubic-bezier(.2,1.4,.4,1)", color = "#fff7e6" }: TagManagerProps) {
  const [tags, setTags] = useState(["Design", "Urgent"]);
  const [value, setValue] = useState("");
  const vars: Vars = { "--duration": `${duration}ms`, "--easing": easing, "--color": color };

  function addTag() {
    const v = value.trim();
    if (!v) return;
    setTags((t) => [...t, v]);
    setValue("");
  }
  function removeTag(tag: string) {
    setTags((t) => t.filter((x) => x !== tag));
  }

  return (
    <div className={styles.tg} style={vars}>
      <div className={styles.row}>
        <input
          className={styles.input}
          type="text"
          placeholder="Type a tag, press Enter"
          aria-label="New tag"
          value={value}
          onChange={(e: any) => setValue(e.target.value)}
          onKeyDown={(e: any) => { if (e.key === "Enter") { e.preventDefault(); addTag(); } }}
        />
        <button type="button" className={styles.add} aria-label="Add tag" onClick={addTag}>+</button>
      </div>
      <ul className={styles.list}>
        {tags.map((tag) => (
          <li key={tag} className={styles.chip}>
            {tag}
            <button type="button" className={styles.remove} aria-label={`Remove ${tag}`} onClick={() => removeTag(tag)}>×</button>
          </li>
        ))}
      </ul>
    </div>
  );
}