tsconfig.json

{
    "compilerOptions": {
        "esModuleInterop": true,
        "lib": [
            "es2015",
            "esnext",
            "dom"
        ],
        "module": "commonjs",
        "target": "esnext",
        "moduleResolution": "node",
        "allowSyntheticDefaultImports": true,
        "alwaysStrict": true,
        "outDir": "./lib",
        "declaration": true,
        "preserveSymlinks": true,
        "preserveWatchOutput": true,
        "pretty": false,
        "forceConsistentCasingInFileNames": true,
        "noFallthroughCasesInSwitch": true,
        "noImplicitAny": false,
        "noImplicitReturns": true,
        "noUnusedLocals": true,
        "experimentalDecorators": true,
        "resolveJsonModule": true,
    },

}