tsconfig.json

{
    "compilerOptions": {
        "target": "es5",
        "module": "es6",
        "lib": ["esnext", "dom"],
        "emitDeclarationOnly": true,
        "declarationDir": "./dist",
        "removeComments": false,
        "verbatimModuleSyntax": true,
        "inlineSourceMap": true,
        "inlineSources": true,
        "isolatedModules": true,
        "downlevelIteration": true,
        "strict": true,
        // @see https://www.typescriptlang.org/tsconfig#noUncheckedIndexedAccess
        "noUncheckedIndexedAccess": true,
        "noUnusedLocals": true,
        "noUnusedParameters": true,
        "noImplicitReturns": true,
        "moduleResolution": "node",
        "rootDir": "./src",
        "esModuleInterop": true,
        "forceConsistentCasingInFileNames": true,
        "declaration": true
    },
    "include": ["./src"],
    "exclude": ["node_modules", "__snapshots__", "**/*.test.ts"]
}