tsconfig.json

{
    "compilerOptions": {
        "target": "ES2018",
        "module": "commonjs",
        "lib": [
            "es2018",
            "dom"
        ],
        "declaration": true,
        "strict": true,
        "noImplicitAny": true,
        "strictNullChecks": true,
        "noImplicitThis": true,
        "alwaysStrict": true,
        "noUnusedLocals": false,
        "noUnusedParameters": false,
        "noImplicitReturns": false,
        "noFallthroughCasesInSwitch": false,
        "inlineSourceMap": true,
        "inlineSources": true,
        "experimentalDecorators": true,
        "strictPropertyInitialization": true,
        "typeRoots": [
            "./node_modules/@types"
        ],
        "emitDecoratorMetadata": true,
        "allowSyntheticDefaultImports": true
    },
    "exclude": [
        "node_modules",
        "local-dev",
        "cdk.out"
    ]
}