createConversationHistoryMiddleware

createConversationHistoryMiddleware(config): object

Defined in: packages/middleware/src/conversation-history.ts:167

Create conversation history middleware.

Maintains a global conversation history across requests. Automatically prepends history to requests and appends responses to history after completion.

Parameters

config

ConversationHistoryConfig = {}

Conversation history configuration

Returns

object

Conversation history middleware and manager

manager

manager: ConversationHistoryManager

middleware

middleware: Middleware

Examples

const { middleware, manager } = createConversationHistoryMiddleware({
  maxHistorySize: 10,
  strategy: 'smart'
});

bridge.use(middleware);

// Access history
console.log('Pairs:', manager.getPairCount());
console.log('History:', manager.getHistory());

// Clear history when needed
manager.clear();

const { middleware } = createConversationHistoryMiddleware({
  initialHistory: [
    { role: 'system', content: 'You are a helpful assistant.' }
  ],
  maxHistorySize: 5,
  strategy: 'smart' // Preserves system message
});

const { middleware } = createConversationHistoryMiddleware({
  maxHistorySize: 0 // No history tracking
});

const { middleware } = createConversationHistoryMiddleware({
  maxHistorySize: 10,
  // Only track user and assistant messages, ignore system
  messageFilter: (msg) => msg.role !== 'system'
});