Finished findTheOldest with array.reduce function

xinding33 · xinding33 · commit f2589e624ff3 · 2021-07-12T21:41:37.000-07:00
diff --git a/findTheOldest/findTheOldest.js b/findTheOldest/findTheOldest.js
@@ -1,5 +1,13 @@
-let findTheOldest = function() {
+let findTheOldest = function(people) {
+    return people.reduce((oldestPerson, currentPerson) => {
+        let oldestAge = getAge(oldestPerson);
+        let currentAge = getAge(currentPerson);
+        return oldestAge > currentAge ? oldestPerson : currentPerson;
+    })
+}
 
+let getAge = function(person) {
+    return person.yearOfDeath == null ? new Date().getFullYear() - person.yearOfBirth : person.yearOfDeath - person.yearOfBirth;
 }
 
 module.exports = findTheOldest
diff --git a/findTheOldest/findTheOldest.spec.js b/findTheOldest/findTheOldest.spec.js
@@ -21,7 +21,7 @@ describe('findTheOldest', function() {
     ]
     expect(findTheOldest(people).name).toEqual('Ray');
   });
-  xit('finds the oldest person if someone is still living', function() {
+  it('finds the oldest person if someone is still living', function() {
     const people = [
       {
         name: 'Carly',
@@ -40,7 +40,7 @@ describe('findTheOldest', function() {
     ]
     expect(findTheOldest(people).name).toEqual('Ray');
   });
-  xit('finds the oldest person if the OLDEST is still living', function() {
+  it('finds the oldest person if the OLDEST is still living', function() {
     const people = [
       {
         name: 'Carly',

Original file line number	Diff line number	Diff line change
`@@ -21,7 +21,7 @@ describe('findTheOldest', function() {`
`21`	`21`	`]`
`22`	`22`	`expect(findTheOldest(people).name).toEqual('Ray');`
`23`	`23`	`});`
`24`		`- xit('finds the oldest person if someone is still living', function() {`
	`24`	`+ it('finds the oldest person if someone is still living', function() {`
`25`	`25`	`const people = [`
`26`	`26`	`{`
`27`	`27`	`name: 'Carly',`
`@@ -40,7 +40,7 @@ describe('findTheOldest', function() {`
`40`	`40`	`]`
`41`	`41`	`expect(findTheOldest(people).name).toEqual('Ray');`
`42`	`42`	`});`
`43`		`- xit('finds the oldest person if the OLDEST is still living', function() {`
	`43`	`+ it('finds the oldest person if the OLDEST is still living', function() {`
`44`	`44`	`const people = [`
`45`	`45`	`{`
`46`	`46`	`name: 'Carly',`