I got tired of messy TypeScript migrations in Node.js, so I built fast-ts-integrator

Adding TypeScript to an existing Node.js project sounds simple until it isn’t. A few files in, things usually start drifting: tsconfig.json stops matching the actual runtime CommonJS and ESM start fighting each other mixed .js and .ts files make the project harder to reason about test and lint setup adds even more friction I kept running into that same wall, so I built a small CLI to make the setup predictable. What it is fast-ts-integrator is a CLI that helps add TypeScript to a new or existing