tsconfig.json

{
  "compilerOptions": {
    "declaration": true,
    "sourceMap": true,
    "declarationMap": true,
    "incremental": true, /* Enable incremental compilation */
    // "composite": true,                                /* Enable constraints that allow a TypeScript project to be used with project references. */
    "target": "esnext", /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */
    "lib": ['dom', 'esnext'
    ],
    "module": "commonjs", /* Specify what module code is generated. */
    "baseUrl": "./src", /* Specify the base directory to resolve non-relative module names. */
    // "paths": {},                                      /* Specify a set of entries that re-map imports to additional lookup locations. */
    "rootDirs": [
      "src"
    ], /* Allow multiple folders to be treated as one when resolving modules. */
    "types": [node
    ],
    "outDir": "./dist", /* Specify an output folder for all emitted files. */
    "allowSyntheticDefaultImports": true, /* Allow 'import x from y' when a module doesn't have a default export. */
    "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`. */
    // "strictFunctionTypes": true,                      /* When assigning functions, check to ensure parameters and the return values are subtype-compatible. */
    // "strictBindCallApply": true,                      /* Check that the arguments for `bind`, `call`, and `apply` methods match the original function. */
    // "strictPropertyInitialization": true,             /* Check for class properties that are declared but not set in the constructor. */
    // "noImplicitThis": true,                           /* Enable error reporting when `this` is given the type `any`. */
    // "useUnknownInCatchVariables": true,               /* Type catch clause variables as 'unknown' instead of 'any'. */
    "alwaysStrict": true,
    "noUnusedLocals": true, /* Enable error reporting when a local variables aren't read. */
    "noUnusedParameters": true, /* Raise an error when a function parameter isn't read */
    // "exactOptionalPropertyTypes": true,               /* Interpret optional property types as written, rather than adding 'undefined'. */
    "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. */
    /* Completeness */
    "skipLibCheck": true /* Skip type checking all .d.ts files. */
  },
  "include": [
    "src"
  ]
}