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Almog Lavi #3

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Almog Lavi #3

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d904f7a
wrote all methods, added type to every parameter and every return type.
sltan29 Dec 4, 2025
e701247
removed unnecessary ===true and made getProductsByTag more readable
sltan29 Dec 12, 2025
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72 changes: 19 additions & 53 deletions store.ts
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Original file line number Diff line number Diff line change
@@ -1,14 +1,3 @@
// store.ts
// Homework - Online Store System
// ------------------------------------
// Instructions:
// - Add a type for every function parameter.
// - Add an explicit return type for every function (even if it is void).
// - Make sure the code compiles without TypeScript errors.

// ------------------------------------
// Interfaces
// ------------------------------------

interface Product {
id: number;
Expand All @@ -23,10 +12,6 @@ interface Store {
products: Product[];
}

// ------------------------------------
// Store data (5 products)
// ------------------------------------

const store: Store = {
storeName: "My Online Store",
products: [
Expand Down Expand Up @@ -68,54 +53,35 @@ const store: Store = {
],
};

// ------------------------------------
// Shopping cart: array of product IDs
// ------------------------------------

const cart = [1, 3, 5];

// ------------------------------------
// Functions to implement
// ------------------------------------

function getAvailableProducts(
store /* : add type here */
) /* : add return types */ {
return [];
function getAvailableProducts(store : Store) : Product[] {
return store.products.filter((product)=>product.inStock);
}

function getProductsInPriceRange(
store /* : add type here */,
minPrice /* : add type here */,
maxPrice /* : add type here */
) /* : add return types */ {
return [];
function getProductsInPriceRange(store : Store, minPrice : number ,maxPrice : number ) : Product[] {
return store.products.filter((product)=> product.price>=minPrice && product.price<=maxPrice);
}

function getProductsByTag(
store /* : add type here */,
tag /* : add type here */
) /* : add return types */ {
return [];
function getProductsByTag(store : Store ,tag : string) : Product[]{
return store.products.filter((prod)=>prod.tags.includes(tag));
}

function getAvailableProductsByTag(
store /* : add type here */,
tag /* : add type here */
) /* : add return types */ {
return [];
function getAvailableProductsByTag(store : Store, tag : string) : Product[] {
const prodByTag : Product[] = getProductsByTag(store, tag);
return prodByTag.filter((product) => product.inStock);
}

function getCartProducts(
store /* : add type here */,
cart /* : add type here */
) /* : add return types */ {
return [];
function getCartProducts(store : Store , cart : number[] ) : Product[] {
return store.products.filter((product) => cart.includes(product.id));
}

function getCartTotalInStock(
store /* : add type here */,
cart /* : add type here */
) /* : add return types */ {
return 0;
function getCartTotalInStock(store : Store ,cart : number[]) : number{
const productsToSum : Product[] = store.products.filter((product) => cart.includes(product.id) && product.inStock === true);
let sum = 0;
productsToSum.forEach((product) => {
sum+=product.price;
})
return sum;
}