Chore/LC v0.3 (#3517)

* bump langchain version to 0.3, upgrades on all chat models

* update all docs loader to have documents and text output options

* fix pnpm lock file

packages/components/nodes/chatmodels/ChatGoogleVertexAI/ChatGoogleVertexAI.ts

@@ -1,9 +1,51 @@
 import { BaseCache } from '@langchain/core/caches'
-import { ChatVertexAI, ChatVertexAIInput } from '@langchain/google-vertexai'
-import { ICommonObject, INode, INodeData, INodeOptionsValue, INodeParams } from '../../../src/Interface'
+import { ChatVertexAI as LcChatVertexAI, ChatVertexAIInput } from '@langchain/google-vertexai'
+import {
+    ICommonObject,
+    IMultiModalOption,
+    INode,
+    INodeData,
+    INodeOptionsValue,
+    INodeParams,
+    IVisionChatModal
+} from '../../../src/Interface'
 import { getBaseClasses, getCredentialData, getCredentialParam } from '../../../src/utils'
 import { getModels, MODEL_TYPE } from '../../../src/modelLoader'
 
+const DEFAULT_IMAGE_MAX_TOKEN = 8192
+const DEFAULT_IMAGE_MODEL = 'gemini-1.5-flash-latest'
+
+class ChatVertexAI extends LcChatVertexAI implements IVisionChatModal {
+    configuredModel: string
+    configuredMaxToken: number
+    multiModalOption: IMultiModalOption
+    id: string
+
+    constructor(id: string, fields?: ChatVertexAIInput) {
+        // @ts-ignore
+        super(fields ?? {})
+        this.id = id
+        this.configuredModel = fields?.modelName || ''
+        this.configuredMaxToken = fields?.maxOutputTokens ?? 2048
+    }
+
+    revertToOriginalModel(): void {
+        this.modelName = this.configuredModel
+        this.maxOutputTokens = this.configuredMaxToken
+    }
+
+    setMultiModalOption(multiModalOption: IMultiModalOption): void {
+        this.multiModalOption = multiModalOption
+    }
+
+    setVisionModel(): void {
+        if (!this.modelName.startsWith('claude-3')) {
+            this.modelName = DEFAULT_IMAGE_MODEL
+            this.maxOutputTokens = this.configuredMaxToken ? this.configuredMaxToken : DEFAULT_IMAGE_MAX_TOKEN
+        }
+    }
+}
+
 class GoogleVertexAI_ChatModels implements INode {
     label: string
     name: string
@@ -19,7 +61,7 @@ class GoogleVertexAI_ChatModels implements INode {
     constructor() {
         this.label = 'ChatGoogleVertexAI'
         this.name = 'chatGoogleVertexAI'
-        this.version = 4.0
+        this.version = 5.0
         this.type = 'ChatGoogleVertexAI'
         this.icon = 'GoogleVertex.svg'
         this.category = 'Chat Models'
@@ -45,8 +87,7 @@ class GoogleVertexAI_ChatModels implements INode {
                 label: 'Model Name',
                 name: 'modelName',
                 type: 'asyncOptions',
-                loadMethod: 'listModels',
-                default: 'chat-bison'
+                loadMethod: 'listModels'
             },
             {
                 label: 'Temperature',
@@ -56,6 +97,23 @@ class GoogleVertexAI_ChatModels implements INode {
                 default: 0.9,
                 optional: true
             },
+            {
+                label: 'Allow Image Uploads',
+                name: 'allowImageUploads',
+                type: 'boolean',
+                description:
+                    'Allow image input. Refer to the <a href="https://docs.flowiseai.com/using-flowise/uploads#image" target="_blank">docs</a> for more details.',
+                default: false,
+                optional: true
+            },
+            {
+                label: 'Streaming',
+                name: 'streaming',
+                type: 'boolean',
+                default: true,
+                optional: true,
+                additionalParams: true
+            },
             {
                 label: 'Max Output Tokens',
                 name: 'maxOutputTokens',
@@ -120,10 +178,20 @@ class GoogleVertexAI_ChatModels implements INode {
         const topP = nodeData.inputs?.topP as string
         const cache = nodeData.inputs?.cache as BaseCache
         const topK = nodeData.inputs?.topK as string
+        const streaming = nodeData.inputs?.streaming as boolean
+
+        const allowImageUploads = nodeData.inputs?.allowImageUploads as boolean
+
+        const multiModalOption: IMultiModalOption = {
+            image: {
+                allowImageUploads: allowImageUploads ?? false
+            }
+        }
 
         const obj: ChatVertexAIInput = {
             temperature: parseFloat(temperature),
-            model: modelName
+            model: modelName,
+            streaming: streaming ?? true
         }
         if (Object.keys(authOptions).length !== 0) obj.authOptions = authOptions
 
@@ -132,7 +200,9 @@ class GoogleVertexAI_ChatModels implements INode {
         if (cache) obj.cache = cache
         if (topK) obj.topK = parseFloat(topK)
 
-        const model = new ChatVertexAI(obj)
+        const model = new ChatVertexAI(nodeData.id, obj)
+        model.setMultiModalOption(multiModalOption)
+
         return model
     }
 }