Modules exercises completed

modules/exercises/ScoreCalcs/averages.js

@@ -17,3 +17,8 @@ function averageForTest(testIndex,scores){
 }
 
 //TODO: Export all functions within an object.
+
+module.exports = {
+  averageForStudent:averageForStudent,
+  averageForTest:averageForTest
+};

modules/exercises/display.js

@@ -34,3 +34,5 @@ function printTestScores(index,test,students,scores){
   }
   return;
 }
+
+module.exports = printAll;

modules/exercises/index.js

@@ -1,8 +1,8 @@
 //Import modules:
-const input = //Import readline-sync.
-const averages = //Import functions from averages.js.
-const printAll = //Import function from display.js.
-const randomSelect = //Import function from randomSelect.js.
+const input = require('readline-sync'); //Import readline-sync.
+const averages = require('./ScoreCalcs/averages.js');  //Import functions from averages.js.
+const printAll = require('./display.js') //Import function from display.js.
+const randomSelect = require('./randomSelect.js') //Import function from randomSelect.js.
 
 //Candidate data:
 let astronauts = ['Fox','Turtle','Cat','Hippo','Dog'];
@@ -16,21 +16,25 @@ let prompts = ['display all scores', 'average the scores for each test', 'averag
 
 for (let i = 0; i<prompts.length; i++){
   let response = input.question(`Would you like to ${prompts[i]}? Y/N: `);
+
   if (response.toLowerCase()==='y'){
     if (i===0){
-      //Call 'printAll' here and pass in all necessary arguments.
-    } else if (i===1){
+      printAll(astronauts, testTitles, scores);//Call 'printAll' here and pass in all necessary arguments.
+    } 
+    else if (i===1){
       for (let j = 0; j<testTitles.length; j++){
-        let avg = //Call 'averageForTest' here. Pass in j and scores as arguments.
+        let avg = averages.averageForTest(j,scores);//Call 'averageForTest' here. Pass in j and scores as arguments.
         console.log(`${testTitles[j]} test average = ${avg}%.`);
       }
-    } else if (i===2){
+    } 
+    else if (i===2){
       for (let j = 0; j<astronauts.length; j++){
-        let avg = //Call 'averageForStudent' here. Pass in j and scores as arguments.
+        let avg = averages.averageForStudent(j, scores);//Call 'averageForStudent' here. Pass in j and scores as arguments.
         console.log(`${astronauts[j]}'s test average = ${avg}%.`);
       }
-    } else {
-      let walker = //Call 'randomSelect' to pick a spacewalker from the astronauts array.
+    } 
+    else {
+      let walker = randomSelect(astronauts);//Call 'randomSelect' to pick a spacewalker from the astronauts array.
       console.log(`${walker} is the next spacewalker.`);
     }
   } else {

modules/exercises/randomSelect.js

@@ -1,5 +1,8 @@
 function randomFromArray(arr){
+  let i = Math.floor(Math.random()*arr.length);
+  return arr[i];
   //Your code here to select a random element from the array passed to the function.
 }
 
 //TODO: Export the randomFromArray function.
+module.exports = randomFromArray;