babel-plugin-show-source-ts/tsconfig.json

Explicit Function.prototype.toString() via Babel

{
  "compilerOptions": {
    "strict": true,
    "noImplicitAny": true,
    "emitDeclarationOnly": true,
    "declaration": true,
    "declarationDir": "./types",
    "rootDir": "./src"
  },
  "include": ["src/**/*"],
  "exclude": ["node_modules"]
}