tsconfig.json

{
  "compilerOptions": {
    "allowUnreachableCode": false,
    "allowUnusedLabels": false,
    "declaration": true,
    "experimentalDecorators": true,
    "forceConsistentCasingInFileNames": true,
    "lib": ["dom", "es2017"],
    "module": "commonjs",
    "moduleResolution": "node",
    "newLine": "LF",
    "noEmitOnError": true,
    "noFallthroughCasesInSwitch": true,
    "noImplicitAny": true,
    "noImplicitReturns": true,
    "noImplicitThis": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "outDir": ".",
    "pretty": true,
    "removeComments": true,
    "rootDir": "src",
    "skipLibCheck": true,
    "sourceMap": true,
    "strict": true,
    "strictPropertyInitialization": false,
    "suppressImplicitAnyIndexErrors": false,
    "target": "es2015"
  },
  "exclude": [],
  "include": ["src"]
}