divkit/client/ios/DivKit/Extensions/DivCustom/DivCustomBlockFactory.swift

import LayoutKit

public protocol DivCustomBlockFactory {
  func makeBlock(data: DivCustomData, context: DivBlockModelingContext) -> Block
}

public struct EmptyDivCustomBlockFactory: DivCustomBlockFactory {
  public init() {}

  public func makeBlock(data: DivCustomData, context: DivBlockModelingContext) -> Block {
    context.addError(
      level: .error,
      message: "No block factory for DivCustom: \(data.name)"
    )
    return EmptyBlock.zeroSized
  }
}