algorithms/lib/twoSumHashTable/twoSumHashTable.ts

export function twoSumHashTable(nums: number[], target: number): number[] {
  const result: number[] = [];
  const hashTable: Record<string, number> = {};
  let i = 0;


  while (i < nums.length) {
    let key = nums[i];
    let val = i;
    let searchKey = String(target - key);

    if (searchKey in hashTable) {
      result.push(hashTable[searchKey]);
      result.push(val);
      break;
    } else {
      hashTable[key] = val;
    }

    i++
  }

  return result;
};