tsconfig.json

{
  "compilerOptions": {
    "target": "ES2016" /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */,
    /* Modules */
    "module": "ESNext" /* Specify what module code is generated. */,
    "rootDir": "./src" /* Specify the root folder within your source files. */,
    "moduleResolution": "node" /* Specify how TypeScript looks up a file from a given module specifier. */,
    "baseUrl": "./" /* Specify the base directory to resolve non-relative module names. */,
    "paths": {
      "@src/*": ["src/*"]
    },

    /* Emit */
    "declaration": true /* Generate .d.ts files from TypeScript and JavaScript files in your project. */,
    "outDir": "./dist" /* Specify an output folder for all emitted files. */,
    "removeComments": true /* Disable emitting comments. */,

    /* Interop Constraints */
    "esModuleInterop": true /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables 'allowSyntheticDefaultImports' for type compatibility. */,
    "forceConsistentCasingInFileNames": true /* Ensure that casing is correct in imports. */,

    /* Type Checking */
    "strict": true /* Enable all strict type-checking options. */,
    "noUnusedLocals": true /* Enable error reporting when local variables aren't read. */,
    "noUnusedParameters": true /* Raise an error when a function parameter isn't read. */,
    "noImplicitReturns": true /* Enable error reporting for codepaths that do not explicitly return in a function. */,

    /* Completeness */
    "skipLibCheck": true /* Skip type checking all .d.ts files. */
  },
  "include": ["src/**/*"],
  "exclude": [
    "node_modules",
    "dist",
    "src/**/*.test.ts",
    "src/**/__tests__/*",
    "src/**/__fixtures__/*"
  ]
}