From 9c6cf694879e865d373b956dae3f4c0692387b35 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Aur=C3=A9lien=20Allienne?= <aallienne@norauto.com>
Date: Tue, 23 Jan 2018 21:32:02 +0100
Subject: [PATCH] solution: Add solution for promises

Close #5
---
 exercises/promises/exo.js | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

diff --git a/exercises/promises/exo.js b/exercises/promises/exo.js
index 9ac1135..440ac59 100644
--- a/exercises/promises/exo.js
+++ b/exercises/promises/exo.js
@@ -1,17 +1,19 @@
 function exercise1Fn () {
-  let exercise1 = new Promise(() => {
+  let exercise1 = new Promise((resolve) => {
     /* votre solution ici */
+    setTimeout(resolve('I love promise'), 500);
   });
 
-  return exercise1./* votre solution ici */
+  return exercise1.then(value => console.log(value))/* votre solution ici */
 }
 
 function exercise2Fn () {
-  let exercise2 = new Promise(() => {
+  let exercise2 = new Promise((resolve, reject) => {
     /* votre solution ici */
+    setTimeout(reject('I hate rejection'), 500)
   });
 
-  return exercise2./* votre solution ici */
+  return exercise2.catch(reason => console.log(reason))/* votre solution ici */
 }
 
 function exercise3Fn () {
@@ -19,17 +21,24 @@ function exercise3Fn () {
 
   function plusFive(value) {
     /* votre solution ici */
+    return value + 5
   }
 
   function multiplyByTwo(value) {
     /* votre solution ici */
+    return value * 2
   }
 
   function minusFour(value) {
     /* votre solution ici */
+    return value - 4
   }
 
-  return exercise3./* votre solution ici */;
+  return exercise3/* votre solution ici */
+      .then(plusFive)
+      .then(multiplyByTwo)
+      .then(minusFour);
+
 }
 
 module.exports = {exercise1Fn, exercise2Fn, exercise3Fn};