feat: add Google TTS module

src/modules/tts-modes/google.ts

@@ -0,0 +1,47 @@
+import { TTSModule, TTSResponse } from '../tts';
+
+import * as https from 'https';
+
+import GOOGLE_TTS_VOICES from './google_voices.json';
+const GOOGLE_TTS_ENDPOINT = 'translate.google.com';
+const USER_AGENT =
+	'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.3';
+
+const ttsGoogle: TTSModule = {
+	name: 'Google',
+	getVoices: async (): Promise<string[]> => GOOGLE_TTS_VOICES.voices,
+
+	generate: async (voice: string, text: string): Promise<TTSResponse> => {
+		const query = new URLSearchParams({
+			ie: 'UTF-8',
+			q: text,
+			tl: voice,
+			client: 'tw-ob'
+		});
+
+		const options: https.RequestOptions = {
+			hostname: GOOGLE_TTS_ENDPOINT,
+			path: `/translate_tts?${query.toString()}`,
+			method: 'GET',
+			headers: {
+				'User-Agent': USER_AGENT
+			}
+		};
+
+		return new Promise((resolve) => {
+			const req = https.get(options, (res) => {
+				const chunks: Buffer[] = [];
+				res.on('data', (chunk) => chunks.push(chunk));
+				res.on('end', () => resolve({ data: Buffer.concat(chunks) }));
+			});
+
+			req.on('error', (err) => resolve({ error: err.message }));
+			req.on('timeout', () => {
+				req.destroy();
+				resolve({ error: 'timed out' });
+			});
+		});
+	}
+};
+
+export default ttsGoogle;

src/modules/tts-modes/google_voices.json

@@ -0,0 +1,79 @@
+{
+	"voices": [
+		"af",
+		"ar",
+		"bn",
+		"bs",
+		"ca",
+		"cs",
+		"cy",
+		"da",
+		"de",
+		"el",
+		"en",
+		"en-au",
+		"en-ca",
+		"en-gb",
+		"en-gh",
+		"en-ie",
+		"en-in",
+		"en-ng",
+		"en-nz",
+		"en-ph",
+		"en-tz",
+		"en-uk",
+		"en-us",
+		"en-za",
+		"eo",
+		"es",
+		"es-es",
+		"es-us",
+		"et",
+		"fi",
+		"fr",
+		"fr-ca",
+		"fr-fr",
+		"hi",
+		"hr",
+		"hu",
+		"hy",
+		"id",
+		"is",
+		"it",
+		"ja",
+		"jw",
+		"km",
+		"ko",
+		"la",
+		"lv",
+		"mk",
+		"ml",
+		"mr",
+		"my",
+		"ne",
+		"nl",
+		"no",
+		"pl",
+		"pt",
+		"pt-br",
+		"pt-pt",
+		"ro",
+		"ru",
+		"si",
+		"sk",
+		"sq",
+		"sr",
+		"su",
+		"sv",
+		"sw",
+		"ta",
+		"te",
+		"th",
+		"tl",
+		"tr",
+		"uk",
+		"vi",
+		"zh-cn",
+		"zh-tw"
+	]
+}