prettify, sorry for the big ass commit

src/utils/helpers/createRandomString.ts

@@ -2,11 +2,11 @@
 const chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
 
 export function createRandomString(n: number): string {
-    let str = "";
+  let str = "";
 
-    for (let i = 0; i < n; ++i) {
-        str += chars.charAt(Math.floor(Math.random() * chars.length));
-    }
+  for (let i = 0; i < n; ++i) {
+    str += chars.charAt(Math.floor(Math.random() * chars.length));
+  }
 
-    return str;
+  return str;
 }

src/utils/helpers/is2DArray.ts

@@ -2,7 +2,11 @@
 // For this, a 2D array is an array which contains only other arrays.
 // If one element in the array is a number or string, it is NOT a 2D array
 export function is2DArray(arr: any[]): boolean {
-    if (arr.constructor !== Array) { return false; }
+  if (arr.constructor !== Array) {
+    return false;
+  }
 
-    return arr.every((e) => { return e.constructor === Array; });
+  return arr.every((e) => {
+    return e.constructor === Array;
+  });
 }

src/utils/helpers/isValidNumber.ts

@@ -3,5 +3,5 @@
  * must be a "number" type and cannot be NaN
  */
 export function isValidNumber(n: number): boolean {
-    return (typeof n === "number") && !isNaN(n);
+  return typeof n === "number" && !isNaN(n);
 }