import fs from 'fs';
import lightcookie from 'lightcookie';
const dbJSON = fs.readFileSync(new URL('./db.json', import.meta.url));
const db = JSON.parse(dbJSON);
const products = db.products;
const productMap = new Map(products.map((product) => [product.id, product]));
// Normally this would be in a database.
const userCartItems = new Map();
const routes = [
{
match: /\/api\/products\/([0-9])+/,
async handle(_req, res, [, idStr]) {
const id = Number(idStr);
if (productMap.has(id)) {
const product = productMap.get(id);
res.writeHead(200, {
'Content-Type': 'application/json',
});
res.end(JSON.stringify(product));
} else {
res.writeHead(404, {
'Content-Type': 'text/plain',
});
res.end('Not found');
}
},
},
{
match: /\/api\/products/,
async handle(_req, res) {
res.writeHead(200, {
'Content-Type': 'application/json',
});
res.end(JSON.stringify(products));
},
},
{
match: /\/api\/cart/,
async handle(req, res) {
res.writeHead(200, {
'Content-Type': 'application/json',
});
let cookie = req.headers.cookie;
let userId = cookie ? lightcookie.parse(cookie)['user-id'] : '1'; // default for testing
if (!userId || !userCartItems.has(userId)) {
res.end(JSON.stringify({ items: [] }));
return;
}
let items = userCartItems.get(userId);
let array = Array.from(items.values());
res.end(JSON.stringify({ items: array }));
},
},
{
match: /\/api\/add-to-cart/,
async handle(req, res) {
let body = '';
req.on('data', (chunk) => (body += chunk));
return new Promise((resolve) => {
req.on('end', () => {
let cookie = req.headers.cookie;
let userId = lightcookie.parse(cookie)['user-id'];
let msg = JSON.parse(body);
if (!userCartItems.has(userId)) {
userCartItems.set(userId, new Map());
}
let cart = userCartItems.get(userId);
if (cart.has(msg.id)) {
cart.get(msg.id).count++;
} else {
cart.set(msg.id, { id: msg.id, name: msg.name, count: 1 });
}
res.writeHead(200, {
'Content-Type': 'application/json',
});
res.end(JSON.stringify({ ok: true }));
});
});
},
},
];
export async function apiHandler(req, res) {
for (const route of routes) {
const match = route.match.exec(req.url);
if (match) {
return route.handle(req, res, match);
}
}
res.writeHead(404, {
'Content-Type': 'text/plain',
});
res.end('Not found');
}
updates'>cli-flow-updates
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* fix: only set content-type when body is defined
* feat(test): content-type is omitted
* chore: changeset
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Bjorn Lu
Bjorn Lu
Ben Holmes