Selena Solis aca-dash

.gitignore

@@ -0,0 +1,3 @@
+node_modules
+package-lock.json
+package.json

index.js

@@ -11,10 +11,25 @@
 //iteratee is a function that must return something, capture whatever it returns in a variable
 //add the returned value from iteratee tp myNewArray
 //after looping, return  myNewArray
+
+let array1 = [11,3,5,8,4];
+console.log(array1);
 function map(array, iteratee){
+  let newArr = [];
+    for(let i=0; i<array.length; i++){
+        newArr.push(iteratee(array[i]));
+    }
+  console.log(newArr);
+  return newArr;
+}
 
+//adds 5 to an item
+function iteratee1(item){
+  return item + 5;
 }
 
+map(array1, iteratee1); //output: [16,8,10,13,9]
+
 //https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/filter
 //create a function called `filter`, it should take 2 parameters `array` and `iteratee`
 //`array` must be an array
@@ -24,47 +39,97 @@ function map(array, iteratee){
 //     passing in the item from the current loop
 //iteratee will return true or false, if true add the item to myNewArray else do not
 //after looping, return myNewArray
+
 function filter(array, iteratee){
+    let newArr = [];
+    for(let i=0; i<array.length; i++){
+        if(iteratee2(array[i])){
+            newArr.push(array[i]);
+        }
+    }
+    console.log(newArr);
+    return newArr;
+}
 
+//function returns true if item is greater than 5
+function iteratee2(item){
+    return item > 5;
 }
 
+filter(array1, iteratee2); //output: [11,8]
 //https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/find
 //create a function called `find`, it should take 2 parameters `theArray` and `fnc`
 //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 
 //after looping, return null
 function find(theArray, fnc){
+    for(let i=0; i<theArray.length; i++){
+        if(fnc(theArray[i])){
+            let firstItem = theArray[i];
+            console.log(firstItem);
+            return firstItem;
+        }
+
+    }
+}
 
+//function returns true if item is less than 5
+function fnc1(item){
+    return item < 5;
 }
 
+find(array1, fnc1); //output: 3
+
 
 //return the last item in theArray
 function findLast(theArray){
+    console.log(theArray[theArray.length-1]);
+    return theArray[theArray.length-1];
 
 }
+findLast(array1); //output: 4
 
-//return the first element of the array
-function head(theArray){
 
+//return the first element of an array
+function head(theArray){
+    console.log(theArray[0]);
+    return theArray[0];
 }
+head(array1); //output: 11
+
 
 //create a new array
 //loop theArray in reverse order
 //add the item from each loop to the new array
 //return the new array
 function reverse(theArray){
-
+    let newArr = [];
+    for(i = theArray.length-1; i>=0; i--){
+        newArr.push(theArray[i]);
+    }
+    console.log(newArr);
+    return newArr;
 }
 
+reverse(array1); //output: [4,8,5,3,11]
+
+
 //create a new array
 //loop theArray
 //add the item from each loop to the new array except the first item
 //return the new array
 function tail(theArray){
-
+    let newArr = [];
+    for(let i=1; i<theArray.length; i++){
+        newArr.push(theArray[i]);
+    }
+    console.log(newArr);
+    return newArr;
 }
 
+tail(array1); //output: [3,5,8,4]
+
 //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
@@ -76,9 +141,26 @@ function tail(theArray){
 //after each for loop check the variable, if true, continue the while loop
 //if false return theArray
 function sort(theArray){
-
+    let swapped = false;
+    for (let i=0; i<theArray.length; i++){
+      if (theArray[i] > theArray[i+1]){
+        let temp = theArray[i];
+        theArray[i] = theArray[i+1];
+        theArray[i+1] = temp;
+        swapped = true;
+      }
+    }
+   if(swapped){
+      sort(theArray);
+   }
+  else{
+    console.log(theArray);
+    return theArray;
+  }
 }
 
+sort(array1); //output: [3,4,5,8,11]
+
 exports.map = map;
 exports.filter = filter;
 exports.find = find;

packageTest.js

@@ -0,0 +1,6 @@
+let dash = require("aca-dash-selena-solis");
+
+let array1 = [11,3,5,8,4];
+
+let headOfArr = dash.head(array1);
+console.log(headOfArr);