tsconfig.json

{
  "compilerOptions": {
    "target": "es5",
    "module": "commonjs",
    "moduleResolution": "node",
    "importHelpers": false,
    "esModuleInterop": true,
    "declaration": true,
    "sourceMap": false,
    "allowSyntheticDefaultImports": true,
    "forceConsistentCasingInFileNames": true,
    "experimentalDecorators": true,
    "strict": true,
    "skipLibCheck": true,
    "resolveJsonModule": true,
    "noImplicitReturns": true,
    "suppressImplicitAnyIndexErrors": true,
    "noUnusedLocals": true,
    "outDir": "lib",
    "baseUrl": "./",
    "plugins": [
      // Transform paths in output .js files
      { "transform": "typescript-transform-paths" },
      // Transform paths in output .d.ts files (Include this line if you output declarations files)
      { "transform": "typescript-transform-paths", "afterDeclarations": true },
      {
        "transform": "typescript-transform-extensions",
        "extensions": { ".ts": ".js" }
      }
    ]
  },
  "include": ["src"]
}