TypeScript with Frameworks
TypeScript with Node.js
Typed Backend Code
💡 TypeScript, ke, saath, Node.js, EK, "TYPED, SERVER" banaне, jaisa, hai — request/response, objects, DATABASE, models, aur, ENVIRONMENT, variables, SAB, ko, EXPLICIT, types, milte, HAIN.
@types/node, PACKAGE, se, Node.js, ke, BUILT-IN, APIs, (fs, path, process) ke, liye, TYPES, milte, HAIN — TypeScript, ko, process.env, aur, __dirname, jaise, GLOBALS, ke, baare, mein, PATA, chalta hai.
ts-node-dev, YA, nodemon + ts-node, COMBINATION, se, DEVELOPMENT, mein, AUTO-RESTART, ke, saath, TypeScript, Node.js, applications, RUN, ki, ja, sakti, HAIN.
import fs from "fs/promises";
interface Config {
port: number;
dbUrl: string;
}
async function loadConfig(): Promise<Config> {
const data = await fs.readFile("config.json", "utf8");
return JSON.parse(data) as Config;
}
const port: number = Number(process.env.PORT) || 3000;🟢
TypeScript, ke, saath, Node.js, EK, "TYPED, SERVER" banaне, jaisa, hai — request/response, objects, DATABASE, models, aur, ENVIRONMENT, variables, SAB, ko, EXPLICIT, types, milte, HAIN.
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⚡ Quick Recap
- @types/node = Node.js, built-in, APIs, ke, liye, TYPES
- process.env properties, string | undefined, TYPE, ki, hoti, hain
- ts-node-dev/nodemon, se, development, mein, auto-restart, ke, saath, RUN, hota, hai
Is page mein (2 subtopics)
tsx, EK, MODERN, alternative, hai, ts-node, ka — FASTER, hai, aur, ES, modules, ko, BETTER, support, karta hai — MANY, MODERN, Node.js, TypeScript, projects, mein, ts-node, ki, JAGAH, PREFER, kiya, jaata hai.
npx tsx watch server.tsEk, SEPARATE, .d.ts, file, mein, ProcessEnv, interface, ko, AUGMENT, karके, process.env, PAR, STRICT, TYPES, ADD, kiye, ja, sakte, HAIN, GENERIC, string | undefined, ki, JAGAH.
declare global {
namespace NodeJS {
interface ProcessEnv {
DATABASE_URL: string;
PORT: string;
}
}
}