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const digits = [  "",  "one",  "two",  "three",  "four",  "five",  "six",  "seven",  "eight",  "nine",];const teens = [  "",  "eleven",  "twelve",  "thirteen",  "fourteen",  "fifteen",  "sixteen",  "seventeen",  "eighteen",  "nineteen",];const tens = [  "",  "ten",  "twenty",  "thirty",  "forty",  "fifty",  "sixty",  "seventy",  "eighty",  "ninety",];const tenPowers = {  int: [    "{ones}",    "{tens}",    "{ones} hundred and",    "{ones} thousand,",    "{tens}",    "{ones} hundred and",    "{ones} million,",    "{tens}",    "{ones} hundred and",    "{ones} billion,",    "{tens}",    "{ones} hundred and",    "{ones} trillion,",    "{tens}",    "{ones} hundred and",    "{ones} thousand,",    "{tens}",  ],  in: [    "{ones}",    "{tens}",    "{ones} hundred and",    "{ones} thousand,",    "{tens}",    "{ones} lakh,",    "{tens}",    "{ones} crore,",    "{tens}",    "{ones} hundred and",    "{ones} thousand,",    "{tens}",    "{ones} lakh,",    "{tens}",    "{ones} crore,",    "{tens}",  ],};
/** * Get the right template for the digit. * @param {number} i - Number's place to parse. * @param {boolean} indian - Whether to use Indian system.  * @returns  */function getTenPower(i: number, indian = false) {  const arr = indian ? tenPowers.in : tenPowers.int;  i = i % arr.length;  return arr[i];}
/** * Parse a number into an english word string. * @param {number} n - The number to parse. * @param {boolean} indian  - Whether to use Indian system.  * @returns {string} The number in words. */export default function (n: number, indian = false): string {  if (n === 0) return "zero";  const digitNumbers: number[] = n.toString().split("").map((x) => Number(x))    .reverse();  const digitStrings: string[] = [];  for (let i = 0; i < digitNumbers.length; ++i) {    if (getTenPower(i + 1, indian)?.startsWith("{tens}")) {      if (digitNumbers[i + 1] === 1) {        digitStrings.push(          `${teens[digitNumbers[i]]} ${            getTenPower(i, indian).replace(/\{ones\}\s?/, "")          }`,        );        ++i;        continue;      }    }    digitStrings.push(      getTenPower(i, indian).replace(        "{ones}",        digits[digitNumbers[i]],      ).replace("{tens}", tens[digitNumbers[i]]),    );    console.log((i - digitNumbers.length ))  }  return digitStrings.reverse().join(" ");};