tsconfig.json

{
    "compilerOptions": {
        "types": [
            "node",
            "jest"
        ],
        "allowSyntheticDefaultImports": true,
		"declaration": true,
		"outDir": "dist",
        "diagnostics": true,
        "target": "es2017",
        "module": "esnext",
        "downlevelIteration": true,
        "forceConsistentCasingInFileNames": true,
        "noFallthroughCasesInSwitch": true,
        "noImplicitReturns": false,
        "noUnusedLocals": true,
        "noUnusedParameters": true,
        "removeComments": true,
        "noLib": false,
        "moduleResolution": "node",
        "sourceMap": true,
        "typeRoots": [
            "src/**/*",
            "/.node_modules/@types"
        ],
        "lib": [
            "dom",
            "es2017"
        ]
    },
    "include": [
        "src/**/*"
    ],
    "exclude": [
        "src/**/*.test.ts"
    ]
}