tsconfig.json

{
  "compilerOptions": {
    /* Language and Environment */
    "target": "ES2020" /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */,
    "lib": ["ES2020", "DOM", "DOM.Iterable"],
    /* Modules */
    // "module": "commonjs" /* Specify what module code is generated. */,
    "moduleResolution": "Bundler",
    "module": "Preserve",
    /* Emit */
    "declaration": true /* Generate .d.ts files from TypeScript and JavaScript files in your project. */,
    // "declarationMap": true /* Create sourcemaps for d.ts files. */,
    // "emitDeclarationOnly": true,                      /* Only output d.ts files and not JavaScript files. */
    "sourceMap": true /* Create source map files for emitted JavaScript files. */,
    // "inlineSourceMap": true,                          /* Include sourcemap files inside the emitted JavaScript. */
    // "outFile": "./",                                  /* Specify a file that bundles all outputs into one JavaScript file. If 'declaration' is true, also designates a file that bundles all .d.ts output. */
    "outDir": "./esm/" /* Specify an output folder for all emitted files. */,
    "jsx": "react-jsx",
    /* Interop Constraints */
    "isolatedModules": true /* Ensure that each file can be safely transpiled without relying on other imports. */,
    "esModuleInterop": true /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables 'allowSyntheticDefaultImports' for type compatibility. */,
    "forceConsistentCasingInFileNames": true /* Ensure that casing is correct in imports. */,
    "allowImportingTsExtensions": false,
    "noEmit": true,
    /* Type Checking */
    "strict": true /* Enable all strict type-checking options. */,
    "noImplicitAny": true /* Enable error reporting for expressions and declarations with an implied 'any' type. */,
    // "strictNullChecks": true,                         /* When type checking, take into account 'null' and 'undefined'. */
    // "strictFunctionTypes": true,                      /* When assigning functions, check to ensure parameters and the return values are subtype-compatible. */
    // "strictBindCallApply": true,                      /* Check that the arguments for 'bind', 'call', and 'apply' methods match the original function. */
    // "strictPropertyInitialization": true,             /* Check for class properties that are declared but not set in the constructor. */
    // "noImplicitThis": true,                           /* Enable error reporting when 'this' is given the type 'any'. */
    // "useUnknownInCatchVariables": true,               /* Default catch clause variables as 'unknown' instead of 'any'. */
    // "alwaysStrict": true,                             /* Ensure 'use strict' is always emitted. */
    // "noUnusedLocals": true,                           /* Enable error reporting when local variables aren't read. */
    // "noUnusedParameters": true,                       /* Raise an error when a function parameter isn't read. */
    // "exactOptionalPropertyTypes": true,               /* Interpret optional property types as written, rather than adding 'undefined'. */
    "noImplicitReturns": true /* Enable error reporting for codepaths that do not explicitly return in a function. */,
    "noFallthroughCasesInSwitch": true /* Enable error reporting for fallthrough cases in switch statements. */,
    "noUncheckedIndexedAccess": true /* Add 'undefined' to a type when accessed using an index. */,
    "noImplicitOverride": true /* Ensure overriding members in derived classes are marked with an override modifier. */,
    "noPropertyAccessFromIndexSignature": true /* Enforces using indexed accessors for keys declared using an indexed type. */,
    // "allowUnusedLabels": true,                        /* Disable error reporting for unused labels. */
    // "allowUnreachableCode": true,                     /* Disable error reporting for unreachable code. */
    /* Completeness */
    "skipDefaultLibCheck": true /* Skip type checking .d.ts files that are included with TypeScript. */,
    "skipLibCheck": true /* Skip type checking all .d.ts files. */,

    "types": ["react/experimental", "node"]
  },
  "include": ["./index.ts"],
  "exclude": ["node_modules", "dist", "tests"]
}