Add more nodes for agents, loaders

2026-06-28 19:00:59 +03:00 · 2023-04-10 13:56:44 +01:00
parent 05c86ff9c5
commit 58e06718d1
57 changed files with 1584 additions and 89 deletions
@@ -0,0 +1,57 @@
+import { INode, INodeData, INodeParams } from '../../../src/Interface'
+import { getBaseClasses } from '../../../src/utils'
+
+class ChatPromptTemplate_Prompts implements INode {
+    label: string
+    name: string
+    description: string
+    type: string
+    icon: string
+    category: string
+    baseClasses: string[]
+    inputs: INodeParams[]
+
+    constructor() {
+        this.label = 'Chat Prompt Template'
+        this.name = 'chatPromptTemplate'
+        this.type = 'ChatPromptTemplate'
+        this.icon = 'prompt.svg'
+        this.category = 'Prompts'
+        this.description = 'Schema to represent a chat prompt'
+        this.inputs = [
+            {
+                label: 'System Message',
+                name: 'systemMessagePrompt',
+                type: 'string',
+                rows: 3,
+                placeholder: `You are a helpful assistant that translates {input_language} to {output_language}.`
+            },
+            {
+                label: 'Human Message',
+                name: 'humanMessagePrompt',
+                type: 'string',
+                rows: 3,
+                placeholder: `{text}`
+            }
+        ]
+    }
+
+    async getBaseClasses(): Promise<string[]> {
+        const { ChatPromptTemplate } = await import('langchain/prompts')
+        return getBaseClasses(ChatPromptTemplate)
+    }
+
+    async init(nodeData: INodeData): Promise<any> {
+        const { ChatPromptTemplate, SystemMessagePromptTemplate, HumanMessagePromptTemplate } = await import('langchain/prompts')
+        const systemMessagePrompt = nodeData.inputs?.systemMessagePrompt as string
+        const humanMessagePrompt = nodeData.inputs?.humanMessagePrompt as string
+
+        const prompt = ChatPromptTemplate.fromPromptMessages([
+            SystemMessagePromptTemplate.fromTemplate(systemMessagePrompt),
+            HumanMessagePromptTemplate.fromTemplate(humanMessagePrompt)
+        ])
+        return prompt
+    }
+}
+
+module.exports = { nodeClass: ChatPromptTemplate_Prompts }
@@ -0,0 +1,6 @@
+<svg xmlns="http://www.w3.org/2000/svg" class="icon icon-tabler icon-tabler-terminal-2" 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="M8 9l3 3l-3 3"></path>
+   <path d="M13 15l3 0"></path>
+   <path d="M3 4m0 2a2 2 0 0 1 2 -2h14a2 2 0 0 1 2 2v12a2 2 0 0 1 -2 2h-14a2 2 0 0 1 -2 -2z"></path>
+</svg>