From a26f76c70505aa149941e58abc06e0f8ed31e962 Mon Sep 17 00:00:00 2001
From: Yongtae <yong723.enjoy.everything@gmail.com>
Date: Thu, 3 Aug 2023 00:00:08 +0900
Subject: [PATCH] Add GoogleVertexAI_LLMs node class

---
 .../llms/GoogleVertexAI/googlevertexai.ts     | 105 ++++++++++++++++++
 1 file changed, 105 insertions(+)
 create mode 100644 packages/components/nodes/llms/GoogleVertexAI/googlevertexai.ts

diff --git a/packages/components/nodes/llms/GoogleVertexAI/googlevertexai.ts b/packages/components/nodes/llms/GoogleVertexAI/googlevertexai.ts
new file mode 100644
index 00000000..8a76c6af
--- /dev/null
+++ b/packages/components/nodes/llms/GoogleVertexAI/googlevertexai.ts
@@ -0,0 +1,105 @@
+import { INode, INodeData, INodeParams } from '../../../src/Interface'
+import { getBaseClasses } from '../../../src/utils'
+import { GoogleVertexAI, GoogleVertexAITextInput } from 'langchain/llms/googlevertexai'
+
+class GoogleVertexAI_LLMs implements INode {
+    label: string
+    name: string
+    version: number
+    type: string
+    icon: string
+    category: string
+    description: string
+    baseClasses: string[]
+    credential: INodeParams
+    inputs: INodeParams[]
+
+    constructor() {
+        this.label = 'GoogleVertexAI'
+        this.name = 'googlevertexai'
+        this.version = 1.0
+        this.type = 'GoogleVertexAI'
+        this.icon = 'vertexai.svg'
+        this.category = 'LLMs'
+        this.description = 'Wrapper around GoogleVertexAI large language models'
+        this.baseClasses = [this.type, ...getBaseClasses(GoogleVertexAI)]
+        this.inputs = [
+            {
+                label: 'Model Name',
+                name: 'modelName',
+                type: 'options',
+                options: [
+                    {
+                        label: 'text-bison',
+                        name: 'text-bison'
+                    },
+                    {
+                        label: 'code-bison',
+                        name: 'code-bison'
+                    },
+                    {
+                        label: 'code-gecko',
+                        name: 'code-gecko'
+                    },
+                    {
+                        label: 'text-bison@001',
+                        name: 'text-bison@001'
+                    },
+                    {
+                        label: 'code-bison@001',
+                        name: 'code-bison@001'
+                    },
+                    {
+                        label: 'code-gecko@001',
+                        name: 'code-gecko@001'
+                    },
+                ],
+                default: 'text-bison',
+            },
+            {
+                label: 'Temperature',
+                name: 'temperature',
+                type: 'number',
+                step: 0.1,
+                default: 0.7,
+                optional: true
+            },
+            {
+                label: 'max Output Tokens',
+                name: 'maxOutputTokens',
+                type: 'number',
+                step: 1,
+                optional: true,
+                additionalParams: true
+            },
+            {
+                label: 'Top Probability',
+                name: 'topP',
+                type: 'number',
+                step: 0.1,
+                optional: true,
+                additionalParams: true
+            },
+        ]
+    }
+
+    async init(nodeData: INodeData, _: string): Promise<any> {
+        const temperature = nodeData.inputs?.temperature as string
+        const model = nodeData.inputs?.modelName as string
+        const maxOutputTokens = nodeData.inputs?.maxTokens as string
+        const topP = nodeData.inputs?.topP as string
+
+        const obj: Partial<GoogleVertexAITextInput> = {
+            temperature: parseFloat(temperature),
+            model,
+        }
+
+        if (maxOutputTokens) obj.maxOutputTokens = parseInt(maxOutputTokens, 10)
+        if (topP) obj.topP = parseFloat(topP)
+
+        const llm_model = new GoogleVertexAI(obj,)
+        return llm_model
+    }
+}
+
+module.exports = { nodeClass: GoogleVertexAI_LLMs }
\ No newline at end of file