tsconfig.json

{
    "compilerOptions": {
        "target": "ES2015" /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019' or 'ESNEXT'. */,
        "module": "commonjs" /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */,
        "lib": [
            "es5",
            "dom",
            "es2015",
            "es2015.collection"
        ] /* Specify library files to be included in the compilation. */,
        "declaration": true /* Generates corresponding '.d.ts' file. */,
        "declarationMap": true /* Generates a sourcemap for each corresponding '.d.ts' file. */,
        "sourceMap": true /* Generates corresponding '.map' file. */,
        "outDir": "dist" /* Redirect output structure to the directory. */,

        /* Strict Type-Checking Options */
        "strict": false /* Enable all strict type-checking options. */,

        /* Module Resolution Options */
        "moduleResolution": "node" /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */,
        "esModuleInterop": true /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */,

        /* Advanced Options */
        "forceConsistentCasingInFileNames": true /* Disallow inconsistently-cased references to the same file. */
    },
    "include": ["src/**/*.ts"],
    "exclude": ["node_modules", "lib", "dist"],
    "types": [
        "@cloudflare/vitest-pool-workers",
        "@cloudflare/workers-types/experimental"
    ]
}