Hi, in recent days I had to work with TypeScript compiling from command line and all above can be simplified in two points: 1] in your tsconfig.json, you do not have to list files at all. Compiler automatically takes all .ts ant.tsx files from curent directory and all subsequent directories. Your tsconfig can be as simple as this: { "compilerOptions": { "module": "none", "target": "es5", "noImplicitAny": false, "sourceMap": true, "outFile": "m