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192 changes: 123 additions & 69 deletions practice1.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -16,88 +16,142 @@ 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 },
];

console.log("--------------------------------------Q1-----------------------------------------");
/**************************************************************
✅ Question 1:
Create a function `getProductName` that:
- Accepts a `product` of type `Product`
- Returns the name of the product
**************************************************************/

// console.log(getProductName(products[0])); // "Laptop"

✅ Question 1:
Create a function `getProductName` that:
- Accepts a `product` of type `Product`
- Returns the name of the product
**************************************************************/
function getProductName(product: Product): string {
return product.name;
}
console.log(getProductName(products[0])); // "Laptop"

console.log("--------------------------------------Q2-----------------------------------------");
/**************************************************************
✅ 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

✅ 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
**************************************************************/
function isProductCategoryMatching(product: Product, category: string): boolean {
if (product.category === category) {
return true;
}
return false;
}
console.log(isProductCategoryMatching(products[1], "Clothing")); // true

console.log("--------------------------------------Q3-----------------------------------------");
/**************************************************************
✅ 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));
✅ 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
**************************************************************/
function addProduct(products: Product[], newProduct: Product): Product[] {
products.push(newProduct);
return products;
}

/**************************************************************
✅ Question 4:
Create a function `countElectronicsProducts` that:
- Accepts an array of products
- Returns the number of products in the "Electronics" category
**************************************************************/
const newProduct: Product = { id: 206, name: "Headphones", category: "Electronics", price: 149.99 };

// console.log(countElectronicsProducts(products));
console.log(addProduct(products, newProduct));

console.log("--------------------------------------Q4-----------------------------------------");
/**************************************************************
✅ 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"));

✅ Question 4:
Create a function `countElectronicsProducts` that:
- Accepts an array of products
- Returns the number of products in the "Electronics" category
**************************************************************/
function countElectronicsProducts(product: Product[]): number {
let countElectronicsProduct = product.filter((product) => {
if (product.category === "Electronics") {
return true;
} else {
return false;
}
});
return countElectronicsProduct.length;
}
console.log(countElectronicsProducts(products));

console.log("--------------------------------------Q5-----------------------------------------");
/**************************************************************
✅ Question 6: 🌶️🌶️
Create a function `getCheapestProduct` that:
- Accepts an array of products
- Returns the product object with the lowest price
**************************************************************/

// console.log(getCheapestProduct(products));

✅ 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
**************************************************************/
function listProductNamesByCategory(products: Product[], category: string): string[] {
let namesByCategories = products.filter((product) => product.category === category).map((product) => product.name);
return namesByCategories;
}

console.log(listProductNamesByCategory(products, "Electronics"));

console.log("--------------------------------------Q6-----------------------------------------");
/**************************************************************
✅ Question 7:
Create a function `removeProductById` that:
- Accepts an array of products and a product ID
- Removes the product with that ID
- Returns the updated array
**************************************************************/

// console.log(removeProductById(products, 202));

✅ Question 6: 🌶️🌶️
Create a function `getCheapestProduct` that:
- Accepts an array of products
- Returns the product object with the lowest price
**************************************************************/
function getCheapestProduct(products: Product[]): {} {
let sort = products.sort((a, b) => {
return a.price - b.price;
});
return sort[0];
}

console.log(getCheapestProduct(products));

console.log("--------------------------------------Q7-----------------------------------------");
/**************************************************************
✅ 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));
✅ Question 7:
Create a function `removeProductById` that:
- Accepts an array of products and a product ID
- Removes the product with that ID
- Returns the updated array
**************************************************************/
function removeProductById(products: Product[], id: number): Product[] {
let removeByID = products.filter((product) => product.id !== id);
return removeByID;
}

console.log(removeProductById(products, 202));

console.log("--------------------------------------Q8-----------------------------------------");
/**************************************************************
✅ 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)
**************************************************************/
function getProductsByPriceRange(products: Product[], min: number, max: number): Product[] {
let getByRange = products.filter((product) => product.price >= min && product.price <= max);
return getByRange;
}

console.log(getProductsByPriceRange(products, 19.99, 59.99));
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