starwars order correction

0x06-starwars_api/0-starwars_characters.js

@@ -7,15 +7,22 @@ request(url + movieId, function (error, response, body) {
     console.log(error);
   } else {
     const characters = JSON.parse(body).characters;
-    for (const character of characters) {
+    printInOrder(characters);
+  }
+}
+);
+
+async function printInOrder (characters) {
+  for (const character of characters) {
+    await new Promise((resolve, reject) => {
       request(character, function (error, response, body) {
         if (error) {
-          console.log(error);
+          reject(error);
         } else {
           console.log(JSON.parse(body).name);
+          resolve();
         }
       });
-    }
+    });
   }
 }
-);

0x06-starwars_api/README.md

@@ -33,5 +33,36 @@ Write a script that prints all characters of a Star Wars movie:
 * You must use the [Star wars API](https://swapi-api.alx-tools.com/)
 * You must use the `requests` module
 
+## Usage
+Run the script with the Movie ID as the first argument:\
+`./0-starwars_characters.js <Movie ID>`
+
+## Example
+File name: `0-starwars_characters.js`\
+Movie ID: `3`
+```sh
+$ ./0-starwars_characters.js 3
+Luke Skywalker
+C-3PO
+R2-D2
+Darth Vader
+Leia Organa
+Obi-Wan Kenobi
+Chewbacca
+Han Solo
+Jabba Desilijic Tiure
+Wedge Antilles
+Yoda
+Palpatine
+Boba Fett
+Lando Calrissian
+Ackbar
+Mon Mothma
+Arvel Crynyd
+Wicket Systri Warrick
+Nien Nunb
+Bib Fortuna
+```
+
 ## License
 This project is licensed under the [MIT License](../LICENSE).