tsconfig.json

{
    "include": [
      "__tests__/**/*.ts",
      "__tests__/**/*.tsx",
      "docs/**/*.ts",
      "docs/**/*.tsx",
      "examples/**/*.ts",
      "examples/**/*.tsx",
      "src/**/*.ts",
      "src/**/*.tsx",
    ],
    "compilerOptions": {
        "baseUrl": ".",
        "allowJs": false,
        "strict": true,
        "allowSyntheticDefaultImports": true,
        "declaration": true,
        "emitDeclarationOnly": true,
        "esModuleInterop": true,
        "experimentalDecorators": true,
        "downlevelIteration": true,
        "importHelpers": true,
        "jsx": "react",
        "moduleResolution": "bundler",
        "noFallthroughCasesInSwitch": true,
        "noUnusedLocals": true,
        "sourceMap": true,
        "skipLibCheck": true,
        // Disallow features that require cross-file information for emit
        "isolatedModules": true,
        // We default to targetting es2019 so that IDE's will perform the stricter checks that they do
        // for es2019 (reason is unkown for why targeting es2019 is stricter...)
        "target": "es2019",
        "module": "esnext",
        "lib": [
            "dom",
            "dom.iterable",
            "es5",
            "scripthost",
            "es2015.core",
            "es2015.collection",
            "es2015.symbol",
            "es2015.iterable",
            "es2015.promise",
            "es2016.array.include",
            "es2017"
        ]
    },
}