Function isInt

frontend/src/tools/common.ts:189–200

(x: any)

};

export const isInt = (x: any) => {
  if (x === null || x === "") {
    return false;
  }
  for (let i = 0; i < x.length; i++) {
    const char = x[i];
    if (char < "0" || char > "9") {
      return false;
    }
  }
  return true;
};

export const padZero = (num: string) => (num === "0" ? num : num.padStart(2, "0"));