NW | 25-ITP-Sep | TzeMing Ho | Sprint 1 | feature/destructuring

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

@@ -6,7 +6,7 @@ const personOne = {
 
 // Update the parameter to this function to make it work.
 // Don't change anything else.
-function introduceYourself(___________________________) {
+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 +70,23 @@ let hogwarts = [
     occupation: "Teacher",
   },
 ];
+
+
+function gryffindorHouse(hogwarts) {
+  return hogwarts.reduce((memberList, {firstName, lastName, house}) => {
+    if (house === 'Gryffindor') {
+      memberList.push(`${firstName} ${lastName}`)
+    }
+    return memberList
+  }, []).join("\n")
+}
+
+function teachersWithPets(hogwarts) {
+  return hogwarts.reduce((nameList, {firstName, lastName, pet, occupation}) => {
+    if (occupation === "Teacher" && pet !== null) {
+      nameList.push(`${firstName} ${lastName}`)
+    }
+    return nameList;
+  }, []).join("\n")
+}
+

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

@@ -6,3 +6,21 @@ let order = [
   { itemName: "Hot Coffee", quantity: 2, unitPricePence: 100 },
   { itemName: "Hash Brown", quantity: 4, unitPricePence: 40 },
 ];
+
+
+function receiptAndCosts(order) {
+  let total = 0;
+  const quantitySpace = 8;
+  const itemSpace = 20;
+  const costSpace = 5
+  let receipt = [`${'QTY'.padEnd(quantitySpace, " ")}${'ITEM'.padEnd(itemSpace, " ")}${'TOTAL'.padEnd(costSpace, " ")}`]
+  order.map(({itemName, quantity, unitPricePence}) => {
+    receipt.push(`${String(quantity).padEnd(quantitySpace, " ")}${itemName.padEnd(itemSpace, " ")}${String(Number(unitPricePence / 100 * quantity).toFixed(2)).padEnd(costSpace, " ")}`)
+    total += unitPricePence / 100 * quantity
+  })
+  receipt.push(" ")
+  receipt.push(`Total: ${total.toFixed(2)}`)
+  return receipt.join("\n")
+}
+
+console.log(receiptAndCosts(order))