70 lines
2.1 KiB
TypeScript
70 lines
2.1 KiB
TypeScript
import { INode, INodeData, INodeParams } from '../../../src/Interface'
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import { OpenApiToolkit } from 'langchain/agents'
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import { JsonSpec, JsonObject } from 'langchain/tools'
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import { BaseLanguageModel } from 'langchain/base_language'
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import { load } from 'js-yaml'
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class OpenAPIToolkit_Tools implements INode {
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label: string
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name: string
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description: string
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type: string
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icon: string
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category: string
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baseClasses: string[]
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inputs: INodeParams[]
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constructor() {
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this.label = 'OpenAPI Toolkit'
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this.name = 'openAPIToolkit'
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this.type = 'OpenAPIToolkit'
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this.icon = 'openapi.png'
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this.category = 'Tools'
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this.description = 'Load OpenAPI specification'
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this.inputs = [
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{
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label: 'OpenAI API Key',
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name: 'openAIApiKey',
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type: 'password'
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},
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{
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label: 'Language Model',
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name: 'model',
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type: 'BaseLanguageModel'
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},
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{
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label: 'YAML File',
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name: 'yamlFile',
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type: 'file',
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fileType: '.yaml'
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}
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]
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this.baseClasses = [this.type, 'Tool']
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}
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async init(nodeData: INodeData): Promise<any> {
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const openAIApiKey = nodeData.inputs?.openAIApiKey as string
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const model = nodeData.inputs?.model as BaseLanguageModel
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const yamlFileBase64 = nodeData.inputs?.yamlFile as string
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const splitDataURI = yamlFileBase64.split(',')
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splitDataURI.pop()
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const bf = Buffer.from(splitDataURI.pop() || '', 'base64')
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const utf8String = bf.toString('utf-8')
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const data = load(utf8String) as JsonObject
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if (!data) {
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throw new Error('Failed to load OpenAPI spec')
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}
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const headers = {
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'Content-Type': 'application/json',
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Authorization: `Bearer ${openAIApiKey}`
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}
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const toolkit = new OpenApiToolkit(new JsonSpec(data), model, headers)
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return toolkit.tools
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}
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}
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module.exports = { nodeClass: OpenAPIToolkit_Tools }
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