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Capstone Project

Project 3: The Type-Safe SDK

Write a modular, type-safe calculations SDK with interfaces and strict boundaries.

Frontend

TypeScript compiler interfaces, generic finance constraints models, type assertions.

Backend

Node.js/FastAPI calculations processor worker queue.

Database

MongoDB Document store or PostgreSQL ledger schema tables.

Implementation Steps

Step 1•30 mins

TS Environment & Project Scaffolding

Start Step
Step 2•30 mins

Strict Compiler Flag settings

Start Step
Step 3•45 mins

Type & Interface definitions

Start Step
Step 4•60 mins

Calculator Math Engine

Start Step
Step 5•60 mins

Generic Finance Constraints

Start Step
Step 6•60 mins

Vitest Unit Test Assertions

Start Step
Start Project Guide