Project support through tsconfig.json

Adding a tsconfig.json file in a directory indicates that the directory is the root of a TypeScript project. The tsconfig.json file specifies the root files and the compiler options required to compile the project. A project is compiled in one of the following ways:

• By invoking tsc with no input files, in which case the compiler searches for the tsconfig.json file starting in the current directory and continuing up the parent directory chain.
• By invoking tsc with no input files and a -project (or just -p) command line option that specifies the path of a directory containing a tsconfig.json file.

Example

{
    "compilerOptions": {
        "module": "commonjs",
        "noImplicitAny": true,
        "sourceMap": true,
    }
}

See the tsconfig.json wiki page for more details.