MCP Cloudflare DNS Server

// From: https://github.com/sindresorhus/is-plain-obj const isPlainObject = value => { if (typeof value !== 'object' || value === null) { return false; } const prototype = Object.getPrototypeOf(value); return (prototype === null || prototype === Object.prototype || Object.getPrototypeOf(prototype) === null) && !(Symbol.toStringTag in value) && !(Symbol.iterator in value); }; const disallowedKeys = new Set([ '__proto__', 'prototype', 'constructor', ]); const merge = (destination, source) => { if (!isPlainObject(source)) { return destination; } if (!destination) { destination = {}; } for (const [sourceKey, sourceValue] of Object.entries(source)) { if (disallowedKeys.has(sourceKey)) { continue; } const destinationValue = destination[sourceKey]; if (isPlainObject(destinationValue) && isPlainObject(sourceValue)) { destination[sourceKey] = merge(destinationValue, sourceValue); // Merge plain objects recursively } else if (sourceValue === undefined) { continue; // Skip undefined values in source } else if (isPlainObject(sourceValue)) { destination[sourceKey] = merge({}, sourceValue); // Clone plain objects } else if (Array.isArray(sourceValue)) { destination[sourceKey] = [...sourceValue]; // Clone arrays } else { destination[sourceKey] = sourceValue; // Assign other types } } return destination; }; export default function defaults(options = {}, defaultOptions = {}) { return merge(structuredClone(defaultOptions), structuredClone(options)); }