js-tts-wrapper/esm/types.js

A JavaScript/TypeScript library that provides a unified API for working with multiple cloud-based Text-to-Speech (TTS) services

export const FEATURES = {
    STREAMING: "streaming",
    AUDIO_TAGS: "audio-tags",
    INLINE_VOICE_CLONING: "inline-voice-cloning",
    OPEN_SOURCE: "open-source",
    WORD_BOUNDARY_EVENTS: "word-boundary-events",
    CHARACTER_BOUNDARY_EVENTS: "character-boundary-events",
    SSML: "ssml",
};