tsconfig.build.json

{
  "include": ["./src/**/*.ts"],
  "exclude": ["node_modules"],

  "compilerOptions": {
    "experimentalDecorators": true,
    "sourceMap": true,
    "strict": true,
    "lib": ["esnext", "DOM"],
    "esModuleInterop": true,
    "target": "ES2018",
    "module": "commonjs",
    "allowSyntheticDefaultImports": true,
    "emitDecoratorMetadata": true,
    "declaration": true,
    "composite": true,
    "noImplicitAny": true,
    "moduleResolution": "node",
    "strictNullChecks": true,
    "noImplicitThis": true,
    "alwaysStrict": true,
    "noUnusedLocals": false,
    "noUnusedParameters": false,
    "noImplicitReturns": true,
    "noFallthroughCasesInSwitch": false,
    "strictPropertyInitialization": false,
    "resolveJsonModule": true,
    "skipLibCheck": true,
    "baseUrl": "./src",
    "rootDir": "./src",
    "outDir": "dist",
    "typeRoots": ["./node_modules/@types", "./typings"],
    "paths": {
      "@implementations/*": ["./implementations/*"],
      "@interfaces/*": ["./interfaces/*"],

      // For the rest if required
      "@src/*": ["./*"]
    }
  }
}