react-native-gtts-lite/index - Copy.js

🎙️ Lightweight Google Translate TTS for React Native CLI using react-native-fs and react-native-sound.

const Sound = require('react-native-sound');
const RNFS = require('react-native-fs');
const { Platform } = require('react-native');

const BASE_URL = 'https://translate.google.com/translate_tts';

async function speak(text, lang = 'en', options = {}) {
  try {
    const { save = false, fileName = `tts_output_${Date.now()}.mp3` } = options;

    const query = `${BASE_URL}?ie=UTF-8&client=tw-ob&tl=${lang}&q=${encodeURIComponent(text)}`;
    const tempPath = `${RNFS.CachesDirectoryPath}/gtts_${Date.now()}.mp3`;

    const download = await RNFS.downloadFile({
      fromUrl: query,
      toFile: tempPath,
      headers: {
        'User-Agent': 'Mozilla/5.0', // Required to prevent 403
      },
    }).promise;

    if (download.statusCode !== 200) {
      console.error('TTS download failed:', download.statusCode);
      return;
    }

    let finalPath = tempPath;

    // If user wants to save the file permanently
    if (save) {
      const dir =
        Platform.OS === 'android'
          ? RNFS.DownloadDirectoryPath
          : RNFS.DocumentDirectoryPath;

      finalPath = `${dir}/${fileName}`;
      await RNFS.copyFile(tempPath, finalPath);
      console.log(`Audio saved to: ${finalPath}`);
    }

    // Play the audio
    const sound = new Sound(finalPath, '', (error) => {
      if (error) {
        console.error('Sound load error:', error);
        return;
      }

      sound.play((success) => {
        if (!success) {
          console.error('Playback failed');
        }
        sound.release(); // Clean up
      });
    });
  } catch (err) {
    console.error('TTS error:', err);
  }
}

module.exports = {
  speak,
};