[Node.js] Kattis read test cases with limits

testCasesWithLimits.js

// Assume you have to read something like:
// 3 - number of test cases that follow
// 3 - limit in this test case. 
// 1 2 3 - test case data 
// 4
// 1 2 3 4

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

let firstLine = true;
let numberOfTestCasesLine = true;

let totalTestCasesCount = undefined;
let testCasesProcessedCount = 0;

let shouldProcessTestCaseLimit = true;
let testCaseLimit;
rl.on('line', (line) => {
    if (firstLine) {
        totalTestCasesCount = +line;
        firstLine = false;
        return;
    }

    // Ignore this first line now ?
    if (shouldProcessTestCaseLimit) {
        shouldProcessTestCaseLimit = false;
        testCaseLimit = +line;
        return;
    }

    console.log(`Processing test case line ${line}, with testCaseLimit: ${testCaseLimit}`);
    const numberArray = line.split(' ').map(Number);
    console.log("numberArray", numberArray);
    // Do your magic here.

    shouldProcessTestCaseLimit = true;
    testCasesProcessedCount++;
    if (totalTestCasesCount <= testCasesProcessedCount)  {
        rl.close();
    }
});