this my endofPhase 2 i uploaded on my git before 2 weeks

practice1.ts

@@ -16,16 +16,26 @@ Your goal is to write functions that interact with this data.
  * 2. name of type string
  * 3. category of type string
  * 4. price of type number
- * 
+ *
  * *************/
-
+interface Product {
+  id: number;
+  name: string;
+  category: string;
+  price: number;
+}
 // ✅ Sample data to test your functions
 const products: Product[] = [
-    { id: 201, name: "Laptop", category: "Electronics", price: 999.99 },
-    { id: 202, name: "T-shirt", category: "Clothing", price: 19.99 },
-    { id: 203, name: "Coffee Maker", category: "Kitchen Appliances", price: 79.99 },
-    { id: 204, name: "Running Shoes", category: "Footwear", price: 59.99 },
-    { id: 205, name: "Bookshelf", category: "Furniture", price: 149.99 },
+  { id: 201, name: "Laptop", category: "Electronics", price: 999.99 },
+  { id: 202, name: "T-shirt", category: "Clothing", price: 19.99 },
+  {
+    id: 203,
+    name: "Coffee Maker",
+    category: "Kitchen Appliances",
+    price: 79.99,
+  },
+  { id: 204, name: "Running Shoes", category: "Footwear", price: 59.99 },
+  { id: 205, name: "Bookshelf", category: "Furniture", price: 149.99 },
 ];
 
 /**************************************************************
@@ -34,54 +44,102 @@ Create a function `getProductName` that:
 - Accepts a `product` of type `Product`
 - Returns the name of the product
 **************************************************************/
-
-// console.log(getProductName(products[0])); // "Laptop"
+function getProductName(product: Product): boolean {
+  if (product.name === "Laptop") {
+    return true;
+  } else {
+    return false;
+  }
+}
+const newProducts = products.filter(getProductName);
+const productName = newProducts.map((item) => item.name);
+console.log(productName); // "Laptop"
 
 /**************************************************************
 ✅ Question 2:
 Create a function `isProductCategoryMatching` that:
 - Accepts a `product` of type `Product` and a `category` (string)
 - Returns `true` if the product’s category matches the given category
 **************************************************************/
-
-// console.log(isProductCategoryMatching(products[1], "Clothing")); // true
+function isProductCategoryMatching(
+  product: Product,
+  category: string
+): boolean {
+  if (product.category === "Clothing") {
+    return true;
+  } else {
+    return false;
+  }
+}
+console.log(isProductCategoryMatching(products[1], "Clothing")); // true
 
 /**************************************************************
 ✅ Question 3:
 Create a function `addProduct` that:
 - Accepts an array of `Product` and a new `Product`
-- Adds the product to the array and returns the updated array
-**************************************************************/
-
-// const newProduct: Product = { id: 206, name: "Headphones", category: "Electronics", price: 149.99 };
-// console.log(addProduct(products, newProduct));
+// - Adds the product to the array and returns the updated array
+// **************************************************************/
+function addProduct(products: Product[], newProduct: Product): Product[] {
+  return [...products, newProduct];
+}
+const newProduct: Product = {
+  id: 206,
+  name: "Headphones",
+  category: "Electronics",
+  price: 149.99,
+};
+const updatedProducts = addProduct(products, newProduct);
+console.log(updatedProducts);
 
 /**************************************************************
 ✅ Question 4:
 Create a function `countElectronicsProducts` that:
 - Accepts an array of products
 - Returns the number of products in the "Electronics" category
 **************************************************************/
-
-// console.log(countElectronicsProducts(products));
+function countElectronicsProducts(prodects1: Product): boolean {
+  if (prodects1.category === "Electronics") {
+    return true;
+  } else {
+    return false;
+  }
+}
+const prodectsrFilter = products.filter(countElectronicsProducts);
+prodectsrFilter.length;
+console.log(prodectsrFilter.length);
 
 /**************************************************************
 ✅ Question 5: 🌶️
 Create a function `listProductNamesByCategory` that:
 - Accepts an array of products and a category
 - Returns an array of product names that match the category
 **************************************************************/
-
-// console.log(listProductNamesByCategory(products, "Electronics"));
+function listProductNamesByCategory(
+  products: Product[],
+  category: string
+): string[] {
+  const filteredProducts = products.filter(
+    (product) => product.category === category
+  );
+  const newProducts = filteredProducts.map((item) => item.name);
+  return newProducts;
+  // products.filter((product) => product.category === category).map((item) => item.name)
+}
+
+console.log(listProductNamesByCategory(products, "Electronics"));
 
 /**************************************************************
 ✅ Question 6: 🌶️🌶️
 Create a function `getCheapestProduct` that:
 - Accepts an array of products
 - Returns the product object with the lowest price
 **************************************************************/
-
-// console.log(getCheapestProduct(products));
+function getCheapestProduct(products: Product[]): string[] {
+  return products
+    .filter((item) => item.price === 19.99)
+    .map((item) => item.name);
+}
+console.log(getCheapestProduct(products));
 
 /**************************************************************
 ✅ Question 7:
@@ -90,14 +148,25 @@ Create a function `removeProductById` that:
 - Removes the product with that ID
 - Returns the updated array
 **************************************************************/
-
-// console.log(removeProductById(products, 202));
+function removeProductById(products: Product[], productID: number): Product[] {
+  return products.filter((item) => item.id !== productID);
+}
+console.log(removeProductById(products, 202));
 
 /**************************************************************
 ✅ Question 8: 🌶️🌶️🌶️
 Create a function `getProductsByPriceRange` that:
 - Accepts an array of products, a min price, and a max price
 - Returns an array of products within that price range (inclusive)
 **************************************************************/
-
-// console.log(getProductsByPriceRange(products, 19.99, 59.99));
+function getProductsByPriceRange(
+  products: Product[],
+  minPrice: number,
+  maxPrice: number
+): string[] {
+  const productsPrice = products
+    .filter((item) => item.price >= minPrice && item.price <= maxPrice)
+    .map((item) => item.name);
+  return productsPrice;
+}
+console.log(getProductsByPriceRange(products, 19.99, 59.99));