tsconfig.json

{
    "compilerOptions": {
        "esModuleInterop": true,
        "importHelpers": true,
        "experimentalDecorators": true,
        "module": "esnext",
        "target": "es2018",
        "lib": ["es6", "esnext", "es2015", "dom"],
        "suppressImplicitAnyIndexErrors": true,
        "moduleResolution": "node",
        "emitDecoratorMetadata": true,
        "sourceMap": true,
        "declaration": true,
        "outDir": "./dist/",
        "noImplicitAny": false,
        "noImplicitThis": true,
        "alwaysStrict": true,
        "noImplicitReturns": true,
        "noUnusedLocals": false,
        "noUnusedParameters": false,
        "skipLibCheck": true
    },
    "exclude": ["node_modules", "tests", "dist"]
}