function deepCopy()

in eng/tools/typespec-migration-validation/src/document.ts [301:326]

• 21 lines of code
• 8 McCabe index (conditional complexity)

function deepCopy<T>(value: T): T {
  if (value === null || value === undefined) {
    return value;
  }

  if (typeof value !== 'object') {
    return value;
  }

  if (value instanceof Date) {
    return new Date(value.getTime()) as unknown as T;
  }

  if (Array.isArray(value)) {
    return value.map(item => deepCopy(item)) as unknown as T;
  }

  const result: Record<string, any> = {};
  for (const key in value) {
    if (Object.prototype.hasOwnProperty.call(value, key)) {
      result[key] = deepCopy((value as Record<string, any>)[key]);
    }
  }

  return result as T;
}