tsconfig.json

{
    "compilerOptions": {
      "target": "es5",
      "module": "commonjs",
      "newLine": "LF",
      "emitDecoratorMetadata": true,
      "experimentalDecorators": true,
      "forceConsistentCasingInFileNames": true,
      "lib": [
        "es2017",
        "dom"
      ],
      "moduleResolution": "node",
      "noFallthroughCasesInSwitch": true,
      "noImplicitReturns": true,
      "noUnusedLocals": true,
      "noUnusedParameters": true,
      "strict": true,
      "typeRoots": [
        "node_modules/@types"
      ],
      "outDir": "dist",
      "declaration": true,
      "declarationDir": "./types",
      "allowSyntheticDefaultImports": true,
      "esModuleInterop": true
    },
    "exclude": [
      "node_modules",
      "types",
      "dist",
      "src/customTypes",
      "src/**/*.test.ts",
      "src/testData/*.ts"
    ]
  }