tsconfig.json

{
    "compilerOptions": {
        "module": "commonjs",
        "target": "es6",
        "outDir": "out",
        "lib": ["es6"],
        "sourceMap": true,
        "rootDir": "src",
        "strict": true /* enable all strict type-checking options */,
        /* Additional Checks */
        // "noImplicitReturns": true, /* Report error when not all code paths in function return a value. */
        // "noFallthroughCasesInSwitch": true, /* Report errors for fallthrough cases in switch statement. */
        // "noUnusedParameters": true,  /* Report errors on unused parameters. */

        "noImplicitAny": false,
        "removeComments": false,
        "noUnusedLocals": true,
        "noImplicitThis": true,
        "inlineSourceMap": false,
        "preserveConstEnums": true,
        "strictNullChecks": true,
        "noUnusedParameters": false,
    },
    "exclude": ["node_modules"],
}