File size: 1,981 Bytes
4114d85 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 |
import { INode, INodeData, INodeParams } from '../../../src/Interface'
import { getBaseClasses } from '../../../src/utils'
import { BufferWindowMemory, BufferWindowMemoryInput } from 'langchain/memory'
class BufferWindowMemory_Memory implements INode {
label: string
name: string
description: string
type: string
icon: string
category: string
baseClasses: string[]
inputs: INodeParams[]
constructor() {
this.label = 'Buffer Window Memory'
this.name = 'bufferWindowMemory'
this.type = 'BufferWindowMemory'
this.icon = 'memory.svg'
this.category = 'Memory'
this.description = 'Uses a window of size k to surface the last k back-and-forths to use as memory'
this.baseClasses = [this.type, ...getBaseClasses(BufferWindowMemory)]
this.inputs = [
{
label: 'Memory Key',
name: 'memoryKey',
type: 'string',
default: 'chat_history'
},
{
label: 'Input Key',
name: 'inputKey',
type: 'string',
default: 'input'
},
{
label: 'Size',
name: 'k',
type: 'number',
default: '4',
description: 'Window of size k to surface the last k back-and-forths to use as memory.'
}
]
}
async init(nodeData: INodeData): Promise<any> {
const memoryKey = nodeData.inputs?.memoryKey as string
const inputKey = nodeData.inputs?.inputKey as string
const k = nodeData.inputs?.k as string
const obj: Partial<BufferWindowMemoryInput> = {
returnMessages: true,
memoryKey: memoryKey,
inputKey: inputKey,
k: parseInt(k, 10)
}
return new BufferWindowMemory(obj)
}
}
module.exports = { nodeClass: BufferWindowMemory_Memory }
|