MCP Cloudflare DNS Server

/** Deeply merges the given options with the specified defaults. @param options - The user-provided options. If the value is not a plain object, a new plain object will be used instead. @param defaultOptions - The default options to use when a value is not provided in the `options` object. @returns A new object containing the merged options. @example ``` import defaults from 'defaults'; const calculate = options => { options = defaults(options, { timeout: { before: 100, after: 100 } }); console.log(options); //=> {timeout: {before: 200, after: 100}} // … } // … calculate({timeout: {before: 200}}); ``` */ export default function defaults<T extends Record<string, unknown>, U extends Record<string, unknown> | undefined = undefined>( options: T, defaultOptions: U ): U extends undefined ? T : DeepMerge<U, T>; type DeepMerge<T, U> = T extends Record<string, unknown> ? U extends Record<string, unknown> ? {[K in keyof T | keyof U]: K extends keyof T ? K extends keyof U ? DeepMerge<T[K], U[K]> : T[K] : K extends keyof U ? U[K] : never} : T : U extends undefined ? T extends undefined ? U : T : U;