updated async await dependencies

Author: JaimeSalas

14 Async await/00_start/README.md

@@ -53,6 +53,7 @@ $ npm start
 npm install --save-dev @babel/core
 npm install --save-dev @babel/plugin-transform-runtime
 npm install --save @babel/runtime
+npm install --save parcel
 ```
 
 * Create _.babelrc_ on _rootDir_
@@ -95,6 +96,8 @@ showBooks();
 ### 2. Now we are going to transform this code into async / await style.
 
 ```diff
++ import "regenerator-runtime/runtime";
+
 -function showBooks() {
 +async function showBooks() {
     const url = 'http://localhost:8000/api/books/';
@@ -205,7 +208,7 @@ showBooks()
 
 ```javascript src/api/BookApiClient.js
 export class BookApiClient {
-    async fetchUser() {
+    async fetchBooks() {
         const url = 'http://localhost:8000/api/books/';
         const response = await fetch(url);
         return await response.json();

14 Async await/00_start/package.json

@@ -15,8 +15,9 @@
   "author": "Jaime Salas",
   "license": "MIT",
   "devDependencies": {
-    "babel-plugin-transform-runtime": "^6.23.0",
-    "babel-runtime": "^6.26.0",
-    "parcel": "^1.8.1"
+    "@babel/core": "^7.8.4",
+    "@babel/plugin-transform-runtime": "^7.8.3",
+    "@babel/runtime": "^7.8.4",
+    "parcel": "^1.12.4"
   }
 }

14 Async await/00_start/src/app.js

@@ -1,3 +1,4 @@
+import "regenerator-runtime/runtime";
 // async function showBooks() {
 //     const url = 'http://localhost:8000/api/books/';
 //     const response = await fetch(url);

14 Async await/01_errors/README.md

@@ -53,12 +53,16 @@ export async function showBooks(url) {
 +    return body;
 }
 ```
+
 * Automatically rejects the promise, because of 'throw Error' 
+
 * Now here we have two different scenarios:
+
 ```javascript
 const url = `http://localhost:8000/api/boos/`; // Wrong url. // 
 const url2 = `http://localhost:8000/api/books/5
 ```
+
 * The first one no internal route it's handle by our code (no controller responds to that route). In this case there is not response error handle from 
 
 * In the second case, the response it's handle from our controller's code sending to us a 500.