tsconfig.json

{
  "include": [
    "./flagsmith-engine",
    "./sdk",
    "./index.ts"
  ],
  "compilerOptions": {
    "outDir": "./build",
    "target": "es5",                                  /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */
    "downlevelIteration": true,  // Used to allow typescript to interpret Object.entries
    /* Modules */
    "module": "commonjs",                                /* Specify what module code is generated. */
    "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. */
    "declaration": true,
    "strict": true,                                      /* Enable all strict type-checking options. */
    "noImplicitAny": true,                            /* Enable error reporting for expressions and declarations with an implied `any` type.. */
    "skipLibCheck": true                                 /* Skip type checking all .d.ts files. */
  }
}