tldr.js

const thesaurus = require("thesaurus");
const readline = require("readline");

const rl = readline.createInterface({
	input: process.stdin,
	output: process.stdout
});

let corpus = "";

rl.question('FEED ME A CORPUS!\n', (ans) => {
	
	rl.close();
	corpus = ans.toLowerCase();
	console.log(`Start:\n\n ${corpus}`);

	setInterval(() => {
		corpus = transformText(corpus);
		console.log(`${corpus}\n`);
	}, 200);
});


function getRandomNumber(i) {
	return Math.floor(Math.random() * i);
}

function removeGreenEscapeCodes(text) {
	return text.replace("\033[32m", '').replace("\033[0m", '');
}

function wrapGreenEscapeCodes(text) {
	return "\033[32m" + text + "\033[0m";
}

function transformText(corpus) {
	let wordArray = removeGreenEscapeCodes(corpus).split(" ");

	let selectedWordIndex = 0;
	let synonyms = [];

	while (synonyms.length == 0) {
		selectedWordIndex = getRandomNumber(wordArray.length);
		synonyms = thesaurus.find(wordArray[selectedWordIndex]);
	}

	let selectedSynonym = synonyms[getRandomNumber(synonyms.length)];

	wordArray[selectedWordIndex] = wrapGreenEscapeCodes(selectedSynonym);

	return wordArray.join(' ');
}