refactor: Update Langchain to 0.1.41 & add support for Claude 3 (#8825)

Signed-off-by: Oleg Ivaniv <me@olegivaniv.com>
Co-authored-by: Michael Kret <michael.k@radency.com>

packages/@n8n/nodes-langchain/nodes/llms/LMChatAnthropic/LmChatAnthropic.node.ts

@@ -1,16 +1,53 @@
 /* eslint-disable n8n-nodes-base/node-dirname-against-convention */
 import {
 	NodeConnectionType,
+	type INodeProperties,
 	type IExecuteFunctions,
 	type INodeType,
 	type INodeTypeDescription,
 	type SupplyData,
 } from 'n8n-workflow';
 
-import { ChatAnthropic } from 'langchain/chat_models/anthropic';
+import { ChatAnthropic } from '@langchain/anthropic';
 import { logWrapper } from '../../../utils/logWrapper';
 import { getConnectionHintNoticeField } from '../../../utils/sharedFields';
 
+const modelField: INodeProperties = {
+	displayName: 'Model',
+	name: 'model',
+	type: 'options',
+	// eslint-disable-next-line n8n-nodes-base/node-param-options-type-unsorted-items
+	options: [
+		{
+			name: 'Claude 3 Opus(20240229)',
+			value: 'claude-3-opus-20240229',
+		},
+		{
+			name: 'Claude 3 Sonnet(20240229)',
+			value: 'claude-3-sonnet-20240229',
+		},
+		{
+			name: 'LEGACY: Claude 2',
+			value: 'claude-2',
+		},
+		{
+			name: 'LEGACY: Claude 2.1',
+			value: 'claude-2.1',
+		},
+		{
+			name: 'LEGACY: Claude Instant 1.2',
+			value: 'claude-instant-1.2',
+		},
+		{
+			name: 'LEGACY: Claude Instant 1',
+			value: 'claude-instant-1',
+		},
+	],
+	description:
+		'The model which will generate the completion. <a href="https://docs.anthropic.com/claude/docs/models-overview">Learn more</a>.',
+	default: 'claude-2',
+};
+
 export class LmChatAnthropic implements INodeType {
 	description: INodeTypeDescription = {
 		displayName: 'Anthropic Chat Model',
@@ -18,7 +55,7 @@ export class LmChatAnthropic implements INodeType {
 		name: 'lmChatAnthropic',
 		icon: 'file:anthropic.svg',
 		group: ['transform'],
-		version: 1,
+		version: [1, 1.1],
 		description: 'Language Model Anthropic',
 		defaults: {
 			name: 'Anthropic Chat Model',
@@ -35,6 +72,7 @@ export class LmChatAnthropic implements INodeType {
 					},
 				],
 			},
+			alias: ['claude', 'sonnet', 'opus'],
 		},
 		// eslint-disable-next-line n8n-nodes-base/node-class-description-inputs-wrong-regular-node
 		inputs: [],
@@ -50,30 +88,21 @@ export class LmChatAnthropic implements INodeType {
 		properties: [
 			getConnectionHintNoticeField([NodeConnectionType.AiChain, NodeConnectionType.AiChain]),
 			{
-				displayName: 'Model',
-				name: 'model',
-				type: 'options',
-				options: [
-					{
-						name: 'Claude 2',
-						value: 'claude-2',
+				...modelField,
+				displayOptions: {
+					show: {
+						'@version': [1],
 					},
-					{
-						name: 'Claude 2.1',
-						value: 'claude-2.1',
+				},
+			},
+			{
+				...modelField,
+				default: 'claude-3-sonnet-20240229',
+				displayOptions: {
+					hide: {
+						'@version': [1],
 					},
-					{
-						name: 'Claude Instant 1.2',
-						value: 'claude-instant-1.2',
-					},
-					{
-						name: 'Claude Instant 1',
-						value: 'claude-instant-1',
-					},
-				],
-				description:
-					'The model which will generate the completion. <a href="https://docs.anthropic.com/claude/reference/selecting-a-model">Learn more</a>.',
-				default: 'claude-2',
+				},
 			},
 			{
 				displayName: 'Options',
@@ -86,7 +115,7 @@ export class LmChatAnthropic implements INodeType {
 					{
 						displayName: 'Maximum Number of Tokens',
 						name: 'maxTokensToSample',
-						default: 32768,
+						default: 4096,
 						description: 'The maximum number of tokens to generate in the completion',
 						type: 'number',
 					},
@@ -126,12 +155,20 @@ export class LmChatAnthropic implements INodeType {
 		const credentials = await this.getCredentials('anthropicApi');
 
 		const modelName = this.getNodeParameter('model', itemIndex) as string;
-		const options = this.getNodeParameter('options', itemIndex, {}) as object;
+		const options = this.getNodeParameter('options', itemIndex, {}) as {
+			maxTokensToSample?: number;
+			temperature: number;
+			topK: number;
+			topP: number;
+		};
 
 		const model = new ChatAnthropic({
 			anthropicApiKey: credentials.apiKey as string,
 			modelName,
-			...options,
+			maxTokens: options.maxTokensToSample,
+			temperature: options.temperature,
+			topK: options.topK,
+			topP: options.topP,
 		});
 
 		return {

packages/@n8n/nodes-langchain/nodes/llms/LMChatOllama/LmChatOllama.node.ts

@@ -7,8 +7,7 @@ import {
 	type SupplyData,
 } from 'n8n-workflow';
 
-import { ChatOllama } from 'langchain/chat_models/ollama';
-// import { ChatAnthropic } from 'langchain/chat_models/anthropic';
+import { ChatOllama } from '@langchain/community/chat_models/ollama';
 import { logWrapper } from '../../../utils/logWrapper';
 import { getConnectionHintNoticeField } from '../../../utils/sharedFields';
 import { ollamaModel, ollamaOptions, ollamaDescription } from '../LMOllama/description';

packages/@n8n/nodes-langchain/nodes/llms/LMChatOpenAi/LmChatOpenAi.node.ts

@@ -7,8 +7,7 @@ import {
 	type SupplyData,
 } from 'n8n-workflow';
 
-import type { ClientOptions } from 'openai';
-import { ChatOpenAI } from 'langchain/chat_models/openai';
+import { ChatOpenAI, type ClientOptions } from '@langchain/openai';
 import { logWrapper } from '../../../utils/logWrapper';
 import { getConnectionHintNoticeField } from '../../../utils/sharedFields';
 

packages/@n8n/nodes-langchain/nodes/llms/LMCohere/LmCohere.node.ts

@@ -7,7 +7,7 @@ import {
 	type SupplyData,
 } from 'n8n-workflow';
 
-import { Cohere } from 'langchain/llms/cohere';
+import { Cohere } from '@langchain/cohere';
 import { logWrapper } from '../../../utils/logWrapper';
 import { getConnectionHintNoticeField } from '../../../utils/sharedFields';
 

packages/@n8n/nodes-langchain/nodes/llms/LMOllama/LmOllama.node.ts

@@ -7,7 +7,7 @@ import {
 	type SupplyData,
 } from 'n8n-workflow';
 
-import { Ollama } from 'langchain/llms/ollama';
+import { Ollama } from '@langchain/community/llms/ollama';
 import { logWrapper } from '../../../utils/logWrapper';
 import { getConnectionHintNoticeField } from '../../../utils/sharedFields';
 import { ollamaDescription, ollamaModel, ollamaOptions } from './description';

packages/@n8n/nodes-langchain/nodes/llms/LMOpenAi/LmOpenAi.node.ts

@@ -8,8 +8,7 @@ import type {
 	ILoadOptionsFunctions,
 } from 'n8n-workflow';
 
-import type { ClientOptions } from 'openai';
-import { OpenAI } from 'langchain/llms/openai';
+import { OpenAI, type ClientOptions } from '@langchain/openai';
 import { logWrapper } from '../../../utils/logWrapper';
 import { getConnectionHintNoticeField } from '../../../utils/sharedFields';
 

packages/@n8n/nodes-langchain/nodes/llms/LMOpenHuggingFaceInference/LmOpenHuggingFaceInference.node.ts

@@ -7,7 +7,7 @@ import {
 	type SupplyData,
 } from 'n8n-workflow';
 
-import { HuggingFaceInference } from 'langchain/llms/hf';
+import { HuggingFaceInference } from '@langchain/community/llms/hf';
 import { logWrapper } from '../../../utils/logWrapper';
 import { getConnectionHintNoticeField } from '../../../utils/sharedFields';
 

packages/@n8n/nodes-langchain/nodes/llms/LmChatAwsBedrock/LmChatAwsBedrock.node.ts

@@ -6,7 +6,7 @@ import {
 	type INodeTypeDescription,
 	type SupplyData,
 } from 'n8n-workflow';
-import { ChatBedrock } from 'langchain/chat_models/bedrock';
+import { BedrockChat } from '@langchain/community/chat_models/bedrock';
 import { logWrapper } from '../../../utils/logWrapper';
 import { getConnectionHintNoticeField } from '../../../utils/sharedFields';
 // Dependencies needed underneath the hood. We add them
@@ -149,7 +149,7 @@ export class LmChatAwsBedrock implements INodeType {
 			maxTokensToSample: number;
 		};
 
-		const model = new ChatBedrock({
+		const model = new BedrockChat({
 			region: credentials.region as string,
 			model: modelName,
 			temperature: options.temperature,

packages/@n8n/nodes-langchain/nodes/llms/LmChatAzureOpenAi/LmChatAzureOpenAi.node.ts

@@ -7,8 +7,8 @@ import {
 	type SupplyData,
 } from 'n8n-workflow';
 
-import type { ClientOptions } from 'openai';
-import { ChatOpenAI } from 'langchain/chat_models/openai';
+import type { ClientOptions } from '@langchain/openai';
+import { ChatOpenAI } from '@langchain/openai';
 import { logWrapper } from '../../../utils/logWrapper';
 import { getConnectionHintNoticeField } from '../../../utils/sharedFields';
 

packages/@n8n/nodes-langchain/nodes/llms/LmChatGooglePalm/LmChatGooglePalm.node.ts

@@ -6,7 +6,7 @@ import {
 	type INodeTypeDescription,
 	type SupplyData,
 } from 'n8n-workflow';
-import { ChatGooglePaLM } from 'langchain/chat_models/googlepalm';
+import { ChatGooglePaLM } from '@langchain/community/chat_models/googlepalm';
 import { logWrapper } from '../../../utils/logWrapper';
 import { getConnectionHintNoticeField } from '../../../utils/sharedFields';
 

packages/@n8n/nodes-langchain/nodes/llms/LmGooglePalm/LmGooglePalm.node.ts

@@ -6,7 +6,7 @@ import {
 	type INodeTypeDescription,
 	type SupplyData,
 } from 'n8n-workflow';
-import { GooglePaLM } from 'langchain/llms/googlepalm';
+import { GooglePaLM } from '@langchain/community/llms/googlepalm';
 import { logWrapper } from '../../../utils/logWrapper';
 import { getConnectionHintNoticeField } from '../../../utils/sharedFields';