Add more nodes for agents, loaders

packages/components/nodes/memory/BufferMemory/BufferMemory.ts

@@ -0,0 +1,54 @@
+import { INode, INodeData, INodeParams } from '../../../src/Interface'
+import { getBaseClasses } from '../../../src/utils'
+
+class BufferMemory_Memory implements INode {
+    label: string
+    name: string
+    description: string
+    type: string
+    icon: string
+    category: string
+    baseClasses: string[]
+    inputs: INodeParams[]
+
+    constructor() {
+        this.label = 'Buffer Memory'
+        this.name = 'bufferMemory'
+        this.type = 'BufferMemory'
+        this.icon = 'memory.svg'
+        this.category = 'Memory'
+        this.description = 'Perform calculations on response'
+        this.inputs = [
+            {
+                label: 'Memory Key',
+                name: 'memoryKey',
+                type: 'string',
+                default: 'chat_history'
+            },
+            {
+                label: 'Input Key',
+                name: 'inputKey',
+                type: 'string',
+                default: 'input'
+            }
+        ]
+    }
+
+    async getBaseClasses(): Promise<string[]> {
+        const { BufferMemory } = await import('langchain/memory')
+        return getBaseClasses(BufferMemory)
+    }
+
+    async init(nodeData: INodeData): Promise<any> {
+        const { BufferMemory } = await import('langchain/memory')
+        const memoryKey = nodeData.inputs?.memoryKey as string
+        const inputKey = nodeData.inputs?.inputKey as string
+        return new BufferMemory({
+            returnMessages: true,
+            memoryKey,
+            inputKey
+        })
+    }
+}
+
+module.exports = { nodeClass: BufferMemory_Memory }

packages/components/nodes/memory/BufferMemory/memory.svg

@@ -0,0 +1,8 @@
+<svg xmlns="http://www.w3.org/2000/svg" class="icon icon-tabler icon-tabler-book" width="24" height="24" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round">
+   <path stroke="none" d="M0 0h24v24H0z" fill="none"></path>
+   <path d="M3 19a9 9 0 0 1 9 0a9 9 0 0 1 9 0"></path>
+   <path d="M3 6a9 9 0 0 1 9 0a9 9 0 0 1 9 0"></path>
+   <path d="M3 6l0 13"></path>
+   <path d="M12 6l0 13"></path>
+   <path d="M21 6l0 13"></path>
+</svg>