Codecademy export

_.js

const _ = {
  clamp: function(number,lower,upper) {
    let lowerClampedValue = Math.max(number,lower);
    let clampedValue = Math.min(lowerClampedValue,upper);
    return clampedValue; 
    },
  inRange: function(num,start,end) {
    if (end ===  undefined) {
      end = start;
      start = 0;
    }
    if (start > end) {
      let temp = start;
      start = end;
      end = temp;
    }
    let isInRange = ((start <= num) && (num < end));
    return isInRange;
  },
  words: function(str) {
    let words = str.split(' ');
    return words;
  },

  pad: function(string,length) {
    if (string.length >= length) {
      return string;
    }
      let startPaddingLength = Math.floor((length - string.length)/2);
      let endPaddingLength = length - string.length - startPaddingLength; 
      let paddedString = " ".repeat(startPaddingLength) + string + " ".repeat(endPaddingLength);
      return (paddedString);
  },

  has: function (object,key) {
  hasValue = (object[key] !== undefined);
  return hasValue;
  },

invert: function(object) {
 
  let invObject = {};
/*
  let values = Object.values(object);
  let keys = Object.keys(object);
  for (i=0; i<keys.length; i++){
    invObject[values[i]] = keys[i];
  }
  */
 for (const prop in object){
  let originalValue = object[prop];
   invObject[originalValue] = prop;
 }
  return invObject;
},

findKey: function(object,predicate){
  //I need help why the code does not pass codecademy test when I activate the predicate function definition below by removing the comment. 
  //predicate = val => {(val !== undefined)? true:false};
  for (const prop in object){
    let value = object[prop];
    let predicateReturnValue = predicate(value);
      if (predicateReturnValue) {
         return prop;
      }
   } 
   return undefined;         
}      
};




// Do not write or modify code below this line.
module.exports = _;