tsconfig.build.json

{
  "compilerOptions": {
    "target": "es2015",
    "outDir": "build",
    "moduleResolution": "node",
    "module": "commonjs",
    "declaration": true,
    "inlineSourceMap": true,
    "esModuleInterop": true,
    "strict": true,
    "noImplicitAny": true,
    "strictNullChecks": true,
    "strictFunctionTypes": true,
    "strictPropertyInitialization": true,
    "noImplicitThis": true,
    "alwaysStrict": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "noImplicitReturns": true,
    "noFallthroughCasesInSwitch": true,
    "traceResolution": false,
    "listEmittedFiles": false,
    "listFiles": false,
    "pretty": true,
    "experimentalDecorators": true,
    "emitDecoratorMetadata": true,
    "lib": ["esnext"],
    "types": ["node"],
    "typeRoots": ["node_modules/@types", "src/types"]
  },
  "include": ["src"],
  "exclude": ["node_modules/**"],
  "compileOnSave": false
}