ITP-JAN-25 | WM| Hatef Eidi | Module-Data-Flows | Array Destructuring | Week-1

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 }=personOne) {
   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 +70,18 @@ let hogwarts = [
     occupation: "Teacher",
   },
 ];
+
+// - In `exercise.js` write a program that will take the `hogwarts` array as input and display the names of the people who belong to the Gryffindor house.
+// - Use object destructuring to extract the values you need out of each element in the array.
+function gryffindorMembers(hogwarts) {
+  return hogwarts.filter(({ house }) => house === "Gryffindor")
+    .map(({ firstName, lastName }) => `${firstName} ${lastName}`);
+}
+console.log(gryffindorMembers(hogwarts));
+// - In `exercise.js` write a program that will take the `hogwarts` array as input and display the names of teachers who have pets.
+// - Use object destructuring to extract the values you need out of each element in the array.
+function teachersWithPets(hogwarts) {
+  return hogwarts.filter(({ occupation, pet }) => occupation === "Teacher" && pet)
+    .map(({ firstName, lastName }) => `${firstName} ${lastName}`);
+}
+console.log(teachersWithPets(hogwarts));

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

@@ -6,3 +6,25 @@ let order = [
   { itemName: "Hot Coffee", quantity: 2, unitPricePence: 100 },
   { itemName: "Hash Brown", quantity: 4, unitPricePence: 40 },
 ];
+
+//We want to log QTY, ITEM, and TOTAL once at the beginning of the receipt
+//Then we want to log each item in the order array, and align the columns
+//Finally, we want to log the total price of the order
+function printReceipt(order){
+  let total=0
+  console.log("QTY     ITEM                  TOTAL")
+  console.log("--------------------------------");
+
+  order.forEach(({itemName, quantity, unitPricePence})=>{
+    let totalItem=quantity*unitPricePence/100
+    total+=totalItem
+    console.log(
+      `${quantity.toString().padEnd(7)} ${itemName.padEnd(21)} £${totalItem.toFixed(2)}`
+    );
+  })
+  console.log(`Total: ${total.toFixed(2)}`)
+}
+printReceipt(order);
+// console.log("QTY     ".length) ouais c'est 8
+console.log("ITEM                  ".length) 
+// ouais c'est 22

Sprint-1/destructuring/exercise-3/readme.md

@@ -8,7 +8,6 @@
 
 ## Expected result
 
-```
 QTY     ITEM                TOTAL
 1       Hot Cakes           2.32
 2       Apple Pie           2.78
@@ -18,4 +17,3 @@ QTY     ITEM                TOTAL
 4       Hash Brown          1.60
 
 Total: 14.50
-```