printMultiplicationTable.js

let helpers = require('../printHelpers');

/**
 * Given an integer `n`, print out an `n`-by-`n` times/multiplication table.
 *
 * Note, this PRINTS a table, it does not RETURN a table as a string.
 *
 * @example
 * multiplicationTable(2); // Prints the following:
 * 1 2
 * 2 4
 *
 * @example
 * multiplicationTable(5); // Prints the following:
 *  1  2  3  4  5
 *  2  4  6  8 10
 *  3  6  9 12 15
 *  4  8 12 16 20
 *  5 10 15 20 25
 *
 * @param {number} n - The size of the multiplication table to print
 */
function printMultiplicationTable(n) {
  /*
    This is your job. :)

    Note: Getting the numbers aligned in a way that looks nice can be
    a pain in the butt. Get one version working that prints out the
    multiplication table without concern for alignment and then figure
    out how to align the columns.
  */

  helpers.printNewLine();
}

/**
 * For testing purposes, prints a diagram of the given height.
 */
function multiplicationTablePrintTest(n) {
  console.log('');
  console.log(`Printing a ${n}-by-${n} MULTIPLICATION TABLE:`);

  printMultiplicationTable(n);
}

if (require.main === module) {
  multiplicationTablePrintTest(1);
  multiplicationTablePrintTest(2);
  multiplicationTablePrintTest(5);
  multiplicationTablePrintTest(8);
}

module.exports = printMultiplicationTable;