feat: add async await

Author: ExploitEngineer

part9 (Advanced Topics)/06_async_await.js

@@ -1,100 +1,93 @@
 // NOTE: An aysnc function is a special type of function that always returns a Promise. It allows to write asynchronous code in a cleaner, more readable way using await intead of .then() chains
 
-
 async function makeRequest() {
-    console.log('helo');
-    throw new Error('error in program');
+  console.log("helo");
+  throw new Error("error in program");
 }
 makeRequest();
 
-
 async function newRequest() {
-    const url = 'https://dummyjson.com/products'
-    const responsePromise = fetch(url)
-    responsePromise.then((res) => {
-        res.json().then((d) => {
-            console.log(d);
-        })
-    })
+  const url = "https://dummyjson.com/products";
+  const responsePromise = fetch(url);
+  responsePromise.then((res) => {
+    res.json().then((d) => {
+      console.log(d);
+    });
+  });
 }
 newRequest();
 
-
-
 async function request() {
-    const url = 'https://dummyjson.com/products';
-    const response = await fetch(url) // await returns the response of the fetched url means the result
-    const data = await response.json()
-    console.log(data);
+  const url = "https://dummyjson.com/products";
+  const response = await fetch(url); // await returns the response of the fetched url means the result
+  const data = await response.json();
+  console.log(data);
 }
 request();
 
-
-
 // Best way to handle api using async function
 async function fetchData(url) {
-    try {
-        let response = await fetch(url);
-        let data = await response.json();
-        console.log(data);
-    } catch (error) {
-        console.error("Error:", error);
-    }
+  try {
+    let response = await fetch(url);
+    let data = await response.json();
+    console.log(data);
+  } catch (error) {
+    console.error("Error:", error);
+  }
 }
 
 fetchData("https://fakestoreapi.com/products");
 
-
 // THis one is also the best way to use async & await
 async function getProducts() {
-    try {
-        const url = 'https://dummyjson.com/products';
-        const res = await fetch(url);
-
-        if (!res.ok) {
-            throw new Error(`HTTP error! Status: ${res.status}`);
-        }
+  try {
+    const url = "https://dummyjson.com/products";
+    const res = await fetch(url);
 
-        const data = await res.json();
-        console.log(data);
-    } catch (error) {
-        console.error("Error fetching products:", error.message);
+    if (!res.ok) {
+      throw new Error(`HTTP error! Status: ${res.status}`);
     }
+
+    const data = await res.json();
+    console.log(data);
+  } catch (error) {
+    console.error("Error fetching products:", error.message);
+  }
 }
 getProducts();
 
 async function getCarts() {
-    try {
-        const url = 'https://dummyjson.com/carts';
-        const res = await fetch(url);
-        if (!res.ok) {
-            throw new Error(`Http error! Statu: ${res.status}`);
-        }
-        const data = await res.json();
-        console.log(data);
-    } catch (error) {
-        console.log("Error Feching carts", error.message);
+  try {
+    const url = "https://dummyjson.com/carts";
+    const res = await fetch(url);
+    if (!res.ok) {
+      throw new Error(`Http error! Statu: ${res.status}`);
     }
+    const data = await res.json();
+    console.log(data);
+  } catch (error) {
+    console.log("Error Feching carts", error.message);
+  }
 }
 getCarts();
 
-
 // NOTE: Async await Quizes
 
 // INFO: First quiz
 async function test() {
-    return "Hello";
+  return "Hello";
 }
 console.log(test()); // Answer : Promise { <fulfilled>: "Hello" }
 
-
 // INFO: Second Quiz
 async function fetchData() {
-    console.log("start");
-    let promise = new Promise(resolve => setTimeout(() => resolve("Data loaded"), 2000));
-    console.log("waiting....");
-    let data = await promise;
-    console.log(data);
+  console.log("start");
+  let promise = new Promise((resolve) =>
+    setTimeout(() => resolve("Data loaded"), 2000),
+  );
+  console.log("waiting....");
+  let data = await promise;
+  console.log(data);
 }
 
 fetchData();