tsconfig.json

{
  "extends": "@tsconfig/node10/tsconfig.json",
  "compilerOptions": {
    "module": "CommonJS",
    "target": "es5",
    "lib": [
      "es2015",
      "dom"
    ],
    "declaration": true,
    "noImplicitAny": false,
    "removeComments": true,
    "moduleResolution": "node",
    "outDir": "./dist",
    "strictFunctionTypes": true, /* Enable strict checking of function types. */
    "strictPropertyInitialization": true, /* Enable strict checking of property initialization in classes. */
    "noImplicitThis": true, /* Raise error on 'this' expressions with an implied 'any' type. */
    "alwaysStrict": true, /* Parse in strict mode and emit "use strict" for each source file. */
    "noUnusedParameters": true, /* Report errors on unused parameters. */
    "noUnusedLocals": true,
    "noImplicitReturns": true, /* Report error when not all code paths in function return a value. */
    "noFallthroughCasesInSwitch": true, /* Report errors for fallthrough cases in switch statement. */
    "strict": true,
    "sourceMap": true
  },
  "include": [
    "src",
    "index.d.ts"
  ],
  "exclude": [
    "node_modules",
    "test",
    "test-integration"
  ]
}