Huang Xin
28 lines
1.0 KiB
TypeScript
28 lines
1.0 KiB
TypeScript
export class TTSUtils {
|
|
private static readonly LOCAL_STORAGE_KEY = 'ttsPreferredVoices';
|
|
|
|
private static normalizeLanguage(language: string): string {
|
|
if (!language) return 'n/a';
|
|
return language.toLowerCase().slice(0, 2);
|
|
}
|
|
|
|
static setPreferredVoice(engine: string, language: string, voiceId: string): void {
|
|
if (!engine || !language || !voiceId) return;
|
|
const preferences = this.getPreferences();
|
|
const lang = this.normalizeLanguage(language);
|
|
preferences[`${engine}-${lang}`] = voiceId;
|
|
localStorage.setItem(this.LOCAL_STORAGE_KEY, JSON.stringify(preferences));
|
|
}
|
|
|
|
static getPreferredVoice(engine: string, language: string): string | null {
|
|
const preferences = this.getPreferences();
|
|
const lang = this.normalizeLanguage(language);
|
|
return preferences[`${engine}-${lang}`] || null;
|
|
}
|
|
|
|
private static getPreferences(): Record<string, string> {
|
|
const storedPreferences = localStorage.getItem(this.LOCAL_STORAGE_KEY);
|
|
return storedPreferences ? JSON.parse(storedPreferences) : {};
|
|
}
|
|
}
|