valueHandler.js

function valueHandler(val1, val2) {
    switch (typeof val1) {
    case 'number':
      if (val1 !== val2) {
        reject("An Object value of type `number` mismatched");
      }
      break;
    case 'boolean':
      if (val1 !== val2) {
        reject("An Object value of type `boolean` mismatched");
      }
      break;
    case 'string':
      if (val1 !== val2) {
        reject("An Object value of type `string` mismatched");
      }
      break;
    case 'function':
      if (val1.call(val1) !== val2.call(val2)) {
        reject("An Object value of type `function` mismatched")
      }
      break;
    case 'object':
      /*
       * An Object could be anything, literally everything in javascript is an Object.
       * Different kinds of objects are ompared differently. Date Objects can't be compared the
       * same way Array or Sets or Regular Expressions are compared. Each type of Object are compared
       * to each other differently as shown below
       */
      // Every Array is an Object, so we first have to confirm if the Object is an array before proceeding
      if (Array.isArray(val1) && Array.isArray(val2)) {
        for (let j in val1) {
          //loop through the array and handle each data type in the array recursively
          valueHandler(val1[j], val2[j]);
        }
      }
      //Check if both Objects are instances of a Regular Expresion
      if (val1 instanceof RegExp || val2 instanceof RegExp) {
        String(val1) !== String(val2) ? reject("The regular Expressions are different") : true;
      }
      //Check if both Objects are instances of a Date Object
      if (val1 instanceof Date || val2 instanceof Date) {
        val1.valueOf() === val2.valueOf() ? true : reject("The Date Objects do not match")
      }
      //Check if both functions are instanes of a Set Object
      if (val1 instanceof Set || val2 instanceof Set) {
        val1.size !== val2.size ? reject("The Set's Objects are of different sizes") : true;
        for (let a of val1) {
          if (!val2.has(a)) reject("The Sets values are not equal");
        }
      }
      //If it's a regular object, call the parent function (compareObjects) recursively
      compareObjects(val1, val2);
      break;
    default:
      reject("An Object value type that isn't supported was passed in");

  }
}
valueHandler(value1, value2);