Manchester | 26-ITP-Jan | Liban Jama | Sprint 1 | Object Destructing

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

@@ -6,7 +6,10 @@ const personOne = {
 
 // Update the parameter to this function to make it work.
 // Don't change anything else.
-function introduceYourself(___________________________) {
+
+// Destructured the personOne object and passed to function parameters.
+
+function introduceYourself({ name, age, favouriteFood }) {
   console.log(
     `Hello, my name is ${name}. I am ${age} years old and my favourite food is ${favouriteFood}.`
   );

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

@@ -70,3 +70,38 @@ let hogwarts = [
     occupation: "Teacher",
   },
 ];
+
+function findGryffindor(peopleList) {
+  // first loop through the people list
+  // find every person whos is Gryffindor house
+  const gryffindorPeople = peopleList.filter(({ house }) => {
+    return house === "Gryffindor";
+  });
+
+  const peopleNames = gryffindorPeople.map(({ firstName, lastName }) => {
+    return `${firstName} ${lastName}`;
+  });
+
+  const output = peopleNames.join("\n");
+  console.log("People in Gryffindor House", output);
+  return output;
+}
+
+function findTeachersWithPets(peopleList) {
+  // loop through peoples list
+  // find teachers with pets
+  const teachersWithPets = peopleList.filter(({ occupation, pet }) => {
+    return pet && occupation === "Teacher";
+  });
+
+  const teachersName = teachersWithPets.map(({ firstName, lastName }) => {
+    return `${firstName} ${lastName}`;
+  });
+
+  const output = teachersName.join("\n");
+  console.log("Teachers with pets", output);
+  return output;
+}
+
+findTeachersWithPets(hogwarts);
+findGryffindor(hogwarts);

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

@@ -6,3 +6,26 @@ 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     ITEM                TOTAL");
+
+  for (let i = 0; i < order.length; i++) {
+    const item = order[i];
+    const { itemName, quantity, unitPricePence } = item;
+
+    const itemTotal = quantity * unitPricePence;
+    total += itemTotal;
+
+    const paddedItem = itemName.padEnd(20, " ");
+    console.log(
+      quantity + "       " + paddedItem + (itemTotal / 100).toFixed(2)
+    );
+  }
+
+  console.log("\nTotal: " + (total / 100).toFixed(2));
+}
+
+printReceipt(order);