tardis-bot/tts/BaseEngine/index.js

const fs=require('fs');

module.exports=class {
	constructor(longName, fileExtension, supportedParameters=[]) {
		this.longName=longName;
		this.fileExtension=fileExtension;
	}
	getInternalVoiceName(str) {
		return this.voices?this.voices[str]:str;
	}
	getDefaultVoice() {}
	validateVoice(voice) {return this.voices ? this.voices[voice] : true;}
	async getSpeech(text, voice=this.getDefaultVoice(), params) {}
	async getSpeechFile(text, filepath, voice, params) {
		const data = await this.getSpeech(text, voice, params);
        const contents = await data.arrayBuffer();
        const buf = Buffer.from(contents);
        fs.writeFileSync(filepath, buf);
		return filepath;
	}
}