feat(music-lab): Phase 2 UI — StemModal, SyncedLyricsPlayer, Style Boost, WAV 변환

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-04-08 09:05:07 +09:00
parent 7a591bb0f1
commit 0849c70644
5 changed files with 349 additions and 2 deletions
--- a/src/pages/music/components/StemModal.jsx
+++ b/src/pages/music/components/StemModal.jsx
@@ -0,0 +1,55 @@
+import React, { useState } from 'react';
+
+const STEM_ICONS = {
+    vocal: '🎤', backing_vocals: '🎶', drums: '🥁', bass: '🎸',
+    guitar: '🎸', keyboard: '🎹', strings: '🎻', brass: '🎺',
+    woodwinds: '🪈', percussion: '🪘', synth: '🎛', fx: '✨',
+};
+
+const StemModal = ({ stems, onClose }) => {
+    const [playingStem, setPlayingStem] = useState(null);
+
+    if (!stems || Object.keys(stems).length === 0) return null;
+
+    return (
+        <div className="ms-modal-overlay" onClick={onClose}>
+            <div className="ms-modal ms-modal--wide" onClick={(e) => e.stopPropagation()}>
+                <div className="ms-modal__header">
+                    <h3 className="ms-modal__title">12 Stems</h3>
+                    <span className="ms-modal__subtitle">각 스템을 개별 재생 및 다운로드할 수 있습니다</span>
+                    <button type="button" className="ms-modal__close" onClick={onClose}>✕</button>
+                </div>
+                <div className="ms-stem-grid">
+                    {Object.entries(stems).map(([name, url]) => {
+                        if (!url) return null;
+                        const isPlaying = playingStem === name;
+                        return (
+                            <div key={name} className={`ms-stem-card ${isPlaying ? 'is-playing' : ''}`}>
+                                <span className="ms-stem-card__icon">{STEM_ICONS[name] || '🎵'}</span>
+                                <span className="ms-stem-card__name">{name.replace(/_/g, ' ')}</span>
+                                <div className="ms-stem-card__actions">
+                                    <button
+                                        type="button"
+                                        className="ms-btn--icon"
+                                        onClick={() => setPlayingStem(isPlaying ? null : name)}
+                                    >
+                                        {isPlaying ? '■' : '▶'}
+                                    </button>
+                                    <a href={url} download className="ms-btn--icon" aria-label="다운로드">↓</a>
+                                </div>
+                                {isPlaying && (
+                                    <audio src={url} autoPlay onEnded={() => setPlayingStem(null)} />
+                                )}
+                            </div>
+                        );
+                    })}
+                </div>
+                <div className="ms-modal__actions">
+                    <button type="button" className="ms-btn ms-btn--ghost" onClick={onClose}>닫기</button>
+                </div>
+            </div>
+        </div>
+    );
+};
+
+export default StemModal;
--- a/src/pages/music/components/SyncedLyricsPlayer.jsx
+++ b/src/pages/music/components/SyncedLyricsPlayer.jsx
@@ -0,0 +1,51 @@
+import React, { useEffect, useRef, useState } from 'react';
+
+const SyncedLyricsPlayer = ({ audioUrl, alignedWords, onClose, accentColor }) => {
+    const audioRef = useRef(null);
+    const [playing, setPlaying] = useState(false);
+    const [currentTime, setCurrentTime] = useState(0);
+
+    useEffect(() => {
+        const el = audioRef.current;
+        if (!el) return;
+        const handler = () => setCurrentTime(el.currentTime);
+        el.addEventListener('timeupdate', handler);
+        return () => el.removeEventListener('timeupdate', handler);
+    }, []);
+
+    if (!alignedWords || alignedWords.length === 0) return null;
+
+    return (
+        <div className="ms-synced-player" style={{ '--synced-accent': accentColor }}>
+            <div className="ms-synced-player__header">
+                <h4 className="ms-synced-player__title">Synced Lyrics</h4>
+                <button type="button" className="ms-modal__close" onClick={onClose}>✕</button>
+            </div>
+            <audio
+                ref={audioRef}
+                src={audioUrl}
+                onPlay={() => setPlaying(true)}
+                onPause={() => setPlaying(false)}
+                onEnded={() => setPlaying(false)}
+                controls
+                className="ms-synced-player__audio"
+            />
+            <div className="ms-synced-player__lyrics">
+                {alignedWords.map((word, idx) => {
+                    const isActive = currentTime >= word.startS && currentTime < word.endS;
+                    const isPast = currentTime >= word.endS;
+                    return (
+                        <span
+                            key={idx}
+                            className={`ms-synced-word ${isActive ? 'is-active' : ''} ${isPast ? 'is-past' : ''}`}
+                        >
+                            {word.word}{' '}
+                        </span>
+                    );
+                })}
+            </div>
+        </div>
+    );
+};
+
+export default SyncedLyricsPlayer;