tsconfig.json

{
    "compilerOptions": {
        "allowSyntheticDefaultImports": true,
        "esModuleInterop": true,
        "exactOptionalPropertyTypes": true,
        "forceConsistentCasingInFileNames": true,
        "importsNotUsedAsValues": "error",
        "isolatedModules": true,
        "module": "ES2015",
        "moduleResolution": "node",
        "newLine": "lf",
        "noFallthroughCasesInSwitch": true,
        "noImplicitOverride": true,
        "noImplicitReturns": true,
        "noPropertyAccessFromIndexSignature": true,
        "noUncheckedIndexedAccess": true,
        "noUnusedLocals": true,
        "noUnusedParameters" true,
        "outDir": "./dist/",
        "rootDir": "./src",
        "sourceMap": true,
        "strict": true,
        "target": "ES2017",
        "useUnknownInCatchVariables": true
    },
    "include": ["src/**/*"],
}