import/export data

utils/getFormattedNumber.ts

@@ -0,0 +1,16 @@
+const zeroPaddedString = (
+  num: number,
+  requiredDigits: number,
+  position: "before" | "after"
+): string => {
+  if (num < 0) throw new RangeError("negative number");
+  if (requiredDigits < 0) throw new RangeError("invalid number of zeroes");
+  if (position !== "before" && position !== "after")
+    throw new TypeError("invalid position (before or after only)");
+
+  const requiredZeroes = requiredDigits - (num + "").replace(".", "").length;
+  const zeroes = "0".repeat(requiredZeroes);
+  return position === "before" ? "" + zeroes + num : "" + num + zeroes;
+};
+
+export { zeroPaddedString };