tsconfig.json

{
  "compilerOptions": {
    "incremental": true,                                 /* Save .tsbuildinfo files to allow for incremental compilation of projects. */
    "tsBuildInfoFile": "./.tsbuildinfo",                 /* Specify the path to .tsbuildinfo incremental compilation file. */
    "target": "ESNext",                                  /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */
    "module": "CommonJS",                                /* Specify what module code is generated. */
    "rootDir": "./src",                                  /* Specify the root folder within your source files. */
    "moduleResolution": "node10",                        /* Specify how TypeScript looks up a file from a given module specifier. */
    "resolveJsonModule": true,                           /* Enable importing .json files. */
    "outDir": "./dist",                                  /* Specify an output folder for all emitted files. */
    "removeComments": true,                              /* Disable emitting comments. */
    "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. */
    "strict": true,                                      /* Enable all strict type-checking options. */
    "noImplicitAny": true,                               /* Enable error reporting for expressions and declarations with an implied 'any' type. */
    "strictNullChecks": true,                            /* When type checking, take into account 'null' and 'undefined'. */
    "noImplicitThis": true,                              /* Enable error reporting when 'this' is given the type 'any'. */
    "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. */
    "noFallthroughCasesInSwitch": true,                  /* Enable error reporting for fallthrough cases in switch statements. */
    "skipLibCheck": true                                 /* Skip type checking all .d.ts files. */
  },
  "include": ["src/**/*.ts"],
  "exclude": ["node_modules"]
}