Method extend

packages/editor/src/core/serializer/email-mark.ts:78–103

(
    extendedConfig?:
      | (() => Partial<ExtendedConfig>)
      | (Partial<ExtendedConfig> &
          ThisType<{
            name: string;
            options: ExtendedOptions;
            storage: ExtendedStorage;
            editor: Editor;
            type: MarkType;
          }>),
  )

  // @ts-expect-error - same as configure: extend returns EmailMark for chaining; base typings are incompatible
  extend<
    ExtendedOptions = Options,
    ExtendedStorage = Storage,
    ExtendedConfig extends MarkConfig<
      ExtendedOptions,
      ExtendedStorage
    > = EmailMarkConfig<ExtendedOptions, ExtendedStorage>,
  >(
    extendedConfig?:
      | (() => Partial<ExtendedConfig>)
      | (Partial<ExtendedConfig> &
          ThisType<{
            name: string;
            options: ExtendedOptions;
            storage: ExtendedStorage;
            editor: Editor;
            type: MarkType;
          }>),
  ): EmailMark<ExtendedOptions, ExtendedStorage> {
    const resolvedConfig =
      typeof extendedConfig === 'function' ? extendedConfig() : extendedConfig;
    return super.extend(resolvedConfig) as EmailMark<
      ExtendedOptions,
      ExtendedStorage
    >;
  }
}