109 lines
3.4 KiB
TypeScript
109 lines
3.4 KiB
TypeScript
import { ICommonObject, INode, INodeData, INodeParams } from '../../../src/Interface'
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import { TextSplitter } from 'langchain/text_splitter'
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import { GithubRepoLoader, GithubRepoLoaderParams } from 'langchain/document_loaders/web/github'
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import { getCredentialData, getCredentialParam } from '../../../src'
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class Github_DocumentLoaders implements INode {
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label: string
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name: string
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version: number
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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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credential: INodeParams
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inputs: INodeParams[]
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constructor() {
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this.label = 'Github'
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this.name = 'github'
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this.version = 1.0
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this.type = 'Document'
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this.icon = 'github.png'
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this.category = 'Document Loaders'
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this.description = `Load data from a GitHub repository`
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this.baseClasses = [this.type]
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this.credential = {
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label: 'Connect Credential',
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name: 'credential',
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type: 'credential',
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description: 'Only needed when accessing private repo',
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optional: true,
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credentialNames: ['githubApi']
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}
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this.inputs = [
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{
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label: 'Repo Link',
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name: 'repoLink',
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type: 'string',
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placeholder: 'https://github.com/FlowiseAI/Flowise'
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},
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{
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label: 'Branch',
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name: 'branch',
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type: 'string',
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default: 'main'
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},
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{
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label: 'Recursive',
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name: 'recursive',
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type: 'boolean',
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optional: true
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},
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{
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label: 'Text Splitter',
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name: 'textSplitter',
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type: 'TextSplitter',
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optional: true
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},
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{
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label: 'Metadata',
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name: 'metadata',
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type: 'json',
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optional: true,
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additionalParams: true
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}
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]
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}
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async init(nodeData: INodeData, _: string, options: ICommonObject): Promise<any> {
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const repoLink = nodeData.inputs?.repoLink as string
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const branch = nodeData.inputs?.branch as string
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const recursive = nodeData.inputs?.recursive as boolean
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const textSplitter = nodeData.inputs?.textSplitter as TextSplitter
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const metadata = nodeData.inputs?.metadata
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const credentialData = await getCredentialData(nodeData.credential ?? '', options)
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const accessToken = getCredentialParam('accessToken', credentialData, nodeData)
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const githubOptions: GithubRepoLoaderParams = {
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branch,
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recursive,
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unknown: 'warn'
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}
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if (accessToken) githubOptions.accessToken = accessToken
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const loader = new GithubRepoLoader(repoLink, githubOptions)
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const docs = textSplitter ? await loader.loadAndSplit(textSplitter) : await loader.load()
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if (metadata) {
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const parsedMetadata = typeof metadata === 'object' ? metadata : JSON.parse(metadata)
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return docs.map((doc) => {
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return {
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...doc,
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metadata: {
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...doc.metadata,
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...parsedMetadata
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}
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}
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})
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}
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return docs
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}
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}
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module.exports = { nodeClass: Github_DocumentLoaders }
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