add format prompt values to prompt template

packages/components/nodes/prompts/ChatPromptTemplate/ChatPromptTemplate.ts

@@ -1,4 +1,4 @@
-import { INode, INodeData, INodeParams } from '../../../src/Interface'
+import { ICommonObject, INode, INodeData, INodeParams } from '../../../src/Interface'
 import { getBaseClasses } from '../../../src/utils'
 import { ChatPromptTemplate, SystemMessagePromptTemplate, HumanMessagePromptTemplate } from 'langchain/prompts'
 
@@ -25,15 +25,28 @@ class ChatPromptTemplate_Prompts implements INode {
                 label: 'System Message',
                 name: 'systemMessagePrompt',
                 type: 'string',
-                rows: 3,
+                rows: 4,
                 placeholder: `You are a helpful assistant that translates {input_language} to {output_language}.`
             },
             {
                 label: 'Human Message',
                 name: 'humanMessagePrompt',
                 type: 'string',
-                rows: 3,
+                rows: 4,
                 placeholder: `{text}`
+            },
+            {
+                label: 'Format Prompt Values',
+                name: 'promptValues',
+                type: 'string',
+                rows: 4,
+                placeholder: `{
+  "input_language": "English",
+  "output_language": "French"
+}`,
+                optional: true,
+                acceptVariable: true,
+                list: true
             }
         ]
     }
@@ -41,11 +54,20 @@ class ChatPromptTemplate_Prompts implements INode {
     async init(nodeData: INodeData): Promise<any> {
         const systemMessagePrompt = nodeData.inputs?.systemMessagePrompt as string
         const humanMessagePrompt = nodeData.inputs?.humanMessagePrompt as string
+        const promptValuesStr = nodeData.inputs?.promptValues as string
 
         const prompt = ChatPromptTemplate.fromPromptMessages([
             SystemMessagePromptTemplate.fromTemplate(systemMessagePrompt),
             HumanMessagePromptTemplate.fromTemplate(humanMessagePrompt)
         ])
+
+        let promptValues: ICommonObject = {}
+        if (promptValuesStr) {
+            promptValues = JSON.parse(promptValuesStr.replace(/\s/g, ''))
+        }
+        // @ts-ignore
+        prompt.promptValues = promptValues
+
         return prompt
     }
 }