@assistant-ui/react/src/legacy-runtime/runtime-cores/adapters/thread-history/MessageFormatAdapter.ts

TypeScript/React library for AI Chat

export interface MessageStorageEntry<TPayload> {
  id: string;
  parent_id: string | null;
  format: string;
  content: TPayload;
}

export interface MessageFormatItem<TMessage> {
  parentId: string | null;
  message: TMessage;
}

export interface MessageFormatRepository<TMessage> {
  headId?: string | null;
  messages: MessageFormatItem<TMessage>[];
}

export interface MessageFormatAdapter<TMessage, TStorageFormat> {
  format: string;
  encode(item: MessageFormatItem<TMessage>): TStorageFormat;
  decode(
    stored: MessageStorageEntry<TStorageFormat>,
  ): MessageFormatItem<TMessage>;
  getId(message: TMessage): string;
}