London | 26-ITP-May | Russom Gebremeskel | Sprint 1 | Destructuring

Sprint-1/destructuring/exercise-1/exercise.js

@@ -6,10 +6,10 @@ const personOne = {
 
 // Update the parameter to this function to make it work.
 // Don't change anything else.
-function introduceYourself(___________________________) {
+function introduceYourself({ name, age, favouriteFood }) { // Object destructuring in function parameters.
   console.log(
     `Hello, my name is ${name}. I am ${age} years old and my favourite food is ${favouriteFood}.`
   );
 }
 
-introduceYourself(personOne);
+introduceYourself(personOne);

Sprint-1/destructuring/exercise-2/exercise.js

@@ -70,3 +70,24 @@ let hogwarts = [
     occupation: "Teacher",
   },
 ];
+
+function getGryffindorMembers(hogwarts) {
+  const people = hogwarts.filter(({ house }) => house === "Gryffindor");
+  people.forEach(({ firstName, lastName }) => {
+    console.log(`${firstName} ${lastName}`);
+  });
+}
+
+function getTeachersWithPets(hogwarts) {
+  const teachers = hogwarts.filter(
+    ({ occupation, pet }) => occupation === "Teacher" && pet !== null
+  );
+  teachers.forEach(({ firstName, lastName }) => {
+    console.log(`${firstName} ${lastName}`);
+  });
+}
+getGryffindorMembers(hogwarts);
+
+console.log();
+
+getTeachersWithPets(hogwarts);

Sprint-1/destructuring/exercise-3/exercise.js

@@ -6,3 +6,27 @@ let order = [
   { itemName: "Hot Coffee", quantity: 2, unitPricePence: 100 },
   { itemName: "Hash Brown", quantity: 4, unitPricePence: 40 },
 ];
+
+function printReceipt(order) {
+  let total = 0;
+
+  console.log("QTY".padEnd(8) + "ITEM".padEnd(22) + "TOTAL");
+
+  order.forEach(({ quantity, itemName, unitPricePence }) => {
+    let itemTotal = quantity * unitPricePence;
+
+    total = total + itemTotal;
+
+    let priceInPounds = itemTotal / 100;
+
+    console.log(
+      quantity.toString().padEnd(8) +
+        itemName.padEnd(22) +
+        priceInPounds.toFixed(2)
+    );
+  });
+
+  console.log("\nTotal: " + (total / 100).toFixed(2));
+}
+
+printReceipt(order);