feautre/ConversationSummaryMemory

packages/components/nodes/memory/ConversationSummaryMemory/ConversationSummaryMemory.ts

@@ -0,0 +1,61 @@
+import { INode, INodeData, INodeParams } from '../../../src/Interface'
+import { getBaseClasses } from '../../../src/utils'
+import { ConversationSummaryMemory, ConversationSummaryMemoryInput } from 'langchain/memory'
+import { BaseLanguageModel } from 'langchain/base_language'
+
+class ConversationSummaryMemory_Memory implements INode {
+    label: string
+    name: string
+    description: string
+    type: string
+    icon: string
+    category: string
+    baseClasses: string[]
+    inputs: INodeParams[]
+
+    constructor() {
+        this.label = 'Conversation Summary Memory'
+        this.name = 'conversationSummaryMemory'
+        this.type = 'ConversationSummaryMemory'
+        this.icon = 'memory.svg'
+        this.category = 'Memory'
+        this.description = 'Summarizes the conversation and stores the current summary in memory'
+        this.baseClasses = [this.type, ...getBaseClasses(ConversationSummaryMemory)]
+        this.inputs = [
+            {
+                label: 'Chat Model',
+                name: 'model',
+                type: 'BaseChatModel'
+            },
+            {
+                label: 'Memory Key',
+                name: 'memoryKey',
+                type: 'string',
+                default: 'chat_history'
+            },
+            {
+                label: 'Input Key',
+                name: 'inputKey',
+                type: 'string',
+                default: 'input'
+            }
+        ]
+    }
+
+    async init(nodeData: INodeData): Promise<any> {
+        const model = nodeData.inputs?.model as BaseLanguageModel
+        const memoryKey = nodeData.inputs?.memoryKey as string
+        const inputKey = nodeData.inputs?.inputKey as string
+
+        const obj: ConversationSummaryMemoryInput = {
+            llm: model,
+            returnMessages: true,
+            memoryKey,
+            inputKey
+        }
+
+        return new ConversationSummaryMemory(obj)
+    }
+}
+
+module.exports = { nodeClass: ConversationSummaryMemory_Memory }