save code

2026-05-24 12:35:35 +08:00
parent af3a23520d
commit b3384499e3
6 changed files with 121 additions and 167 deletions
@@ -22,15 +22,17 @@ const TTS = {
    return this._voices.find(v => v.lang.startsWith('zh') || v.name.includes('Chinese'))
           || this._voices[0] || null;
  },
+  get available() { return !!window.speechSynthesis; },
  speak(text, { rate = 0.85, volume = 0.8 } = {}) {
    return new Promise(resolve => {
-      if (!window.speechSynthesis) { resolve(); return; }
+      if (!window.speechSynthesis) { resolve(false); return; }
      speechSynthesis.cancel();
      const u = new SpeechSynthesisUtterance(text);
      u.lang = 'zh-CN'; u.rate = rate; u.volume = volume;
      const v = this._pick();
      if (v) u.voice = v;
-      u.onend = resolve; u.onerror = resolve;
+      u.onend = () => resolve(true);
+      u.onerror = () => resolve(false);
      speechSynthesis.speak(u);
    });
  },