array-functions.js

//in the function map, create a new array and store in a variable
//loop theArray and call the fnc for each thing in the array,
//     passing in the item from the current loop into the call to fnc
//add the returned value from fnc to the new array
//return the new array
export function map(theArray, fnc){
  let myArray = [];
  for(let i = 0;i < theArray.length;i ++ ){
    let aThing = fnc(theArray[i]);
    myArray.push(aThing);
  }
  return myArray;
}

//create a new array
//loop theArray and call the fnc for each thing in the array,
//     passing in the item from the current loop
//fnc will return true or false, if true add the item to the new array else do not
//return the new array
export function filter(theArray, fnc){
  let myArray = [];
  for(let i = 0;i < theArray.length;i ++ ){
    if (fnc(theArray[i])){
      myArray.push(theArray[i]);
  };
};
  return newArray;
}


//loop theArray and call the fnc for each thing in the array,
//     passing in the item from the current loop
//fnc will return true or false, if true return the item
//return null
export function find(theArray, fnc){
  let myArray= [];
  	for (let i = 0; i < theArray.length; i++){
  		if(fnc(theArray[i])){
  		  myArray.push(theArray[i]);
  };
};
  return myArray
  }
}


//return the last item in theArray
export function findLast(theArray){

}

//return the first element of the array
export function head(theArray){

}

//create a new array
//loop theArray in reverse order
//add the item from each loop to the new array
//return the new array
export function reverse(theArray){

}

//create a new array
//loop theArray
//add the item from each loop to the new array except the first item
//return the new array
export function tail(theArray){

}

//implement the most basic sorting algorithm there is
//assume the array will always have numbers
//use a while loop to constantly loop theArray until it is sorted
//use a for loop to loop theArray
//look at the current item and the next item, compare them
//if the items are out of order, swap them
//initialize a variable that indicates if a swap had to be done, set it to false
//if a swap is done set it to true
//after each for loop check the variable, if true, continue the while loop
//if false return theArray
export function sort(theArray){

}