Improve examples

Author: tshemsedinov

JavaScript/async-await/files.js

@@ -1,14 +1,14 @@
 'use strict';
 
-import fs from 'fs';
-import promisify from '../promisify';
+const fs = require('fs');
+const { promisify } = require('util');
 
 const readFile = promisify(fs.readFile);
 
-async function readTextFile(filename) {
+const readTextFile = async (filename) => {
   let data = await readFile(filename);
   return data.toString();
-}
+};
 
 (async () => {
   console.log(await readTextFile('../file1.txt'));

JavaScript/async-await/http-client.js

@@ -1,7 +1,6 @@
 'use strict';
 
-import httpGet from '../get-json';
-
+const { httpGet } = require('../get-json');
 const baseUrl = 'http://localhost:3000/';
 
 (async () => {

JavaScript/d-await.js

@@ -3,8 +3,13 @@
 const httpGet = require('./get-json');
 
 const baseUrl = 'http://localhost:3000/';
+
 (async () => {
-  const api = await httpGet(baseUrl);
+  try {
+    const api = await httpGet(baseUrl);
+  } catch (err) {
+    console.log(err.code);
+  }
   for (const resource of api.resources) {
     const data = await httpGet(baseUrl + resource);
     console.log(data);

JavaScript/get-json.js

@@ -2,7 +2,7 @@
 
 const http = require('http');
 
-module.exports = url => new Promise((resolve, reject) => {
+const httpGet = url => new Promise((resolve, reject) => {
   http.get(url, res => {
     const code = res.statusCode;
     if (code !== 200) {
@@ -30,3 +30,5 @@ module.exports = url => new Promise((resolve, reject) => {
     });
   });
 });
+
+module.exports = { httpGet };