Merge branch 'main' into feature/ChatGPT-Plugin

packages/components/nodes/chains/SqlDatabaseChain/SqlDatabaseChain.ts

@@ -0,0 +1,81 @@
+import { INode, INodeData, INodeParams } from '../../../src/Interface'
+import { SqlDatabaseChain } from 'langchain/chains'
+import { getBaseClasses } from '../../../src/utils'
+import { DataSource } from 'typeorm'
+import { SqlDatabase } from 'langchain/sql_db'
+import { BaseLLM } from 'langchain/llms/base'
+
+class SqlDatabaseChain_Chains implements INode {
+    label: string
+    name: string
+    type: string
+    icon: string
+    category: string
+    baseClasses: string[]
+    description: string
+    inputs: INodeParams[]
+
+    constructor() {
+        this.label = 'Sql Database Chain'
+        this.name = 'sqlDatabaseChain'
+        this.type = 'SqlDatabaseChain'
+        this.icon = 'sqlchain.svg'
+        this.category = 'Chains'
+        this.description = 'Answer questions over a SQL database'
+        this.baseClasses = [this.type, ...getBaseClasses(SqlDatabaseChain)]
+        this.inputs = [
+            {
+                label: 'LLM',
+                name: 'llm',
+                type: 'BaseLLM'
+            },
+            {
+                label: 'Database',
+                name: 'database',
+                type: 'options',
+                options: [
+                    {
+                        label: 'SQlite',
+                        name: 'sqlite'
+                    }
+                ],
+                default: 'sqlite'
+            },
+            {
+                label: 'Database File Path',
+                name: 'dbFilePath',
+                type: 'string',
+                placeholder: 'C:/Users/chinook.db'
+            }
+        ]
+    }
+
+    async init(nodeData: INodeData): Promise<any> {
+        const databaseType = nodeData.inputs?.database
+        const llm = nodeData.inputs?.llm as BaseLLM
+        const dbFilePath = nodeData.inputs?.dbFilePath
+
+        const datasource = new DataSource({
+            type: databaseType,
+            database: dbFilePath
+        })
+
+        const db = await SqlDatabase.fromDataSourceParams({
+            appDataSource: datasource
+        })
+
+        const chain = new SqlDatabaseChain({
+            llm,
+            database: db
+        })
+        return chain
+    }
+
+    async run(nodeData: INodeData, input: string): Promise<string> {
+        const chain = nodeData.instance as SqlDatabaseChain
+        const res = await chain.run(input)
+        return res
+    }
+}
+
+module.exports = { nodeClass: SqlDatabaseChain_Chains }

packages/components/nodes/chains/SqlDatabaseChain/sqlchain.svg

@@ -0,0 +1,7 @@
+<svg xmlns="http://www.w3.org/2000/svg" class="icon icon-tabler icon-tabler-sql" 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="M12 8a2 2 0 0 1 2 2v4a2 2 0 1 1 -4 0v-4a2 2 0 0 1 2 -2z"></path>
+   <path d="M17 8v8h4"></path>
+   <path d="M13 15l1 1"></path>
+   <path d="M3 15a1 1 0 0 0 1 1h2a1 1 0 0 0 1 -1v-2a1 1 0 0 0 -1 -1h-2a1 1 0 0 1 -1 -1v-2a1 1 0 0 1 1 -1h2a1 1 0 0 1 1 1"></path>
+</svg>

packages/components/nodes/documentloaders/Cheerio/Cheerio.ts

@@ -0,0 +1,64 @@
+import { INode, INodeData, INodeParams } from '../../../src/Interface'
+import { TextSplitter } from 'langchain/text_splitter'
+import { CheerioWebBaseLoader } from 'langchain/document_loaders/web/cheerio'
+
+class Cheerio_DocumentLoaders implements INode {
+    label: string
+    name: string
+    description: string
+    type: string
+    icon: string
+    category: string
+    baseClasses: string[]
+    inputs: INodeParams[]
+
+    constructor() {
+        this.label = 'Cheerio Web Scraper'
+        this.name = 'cheerioWebScraper'
+        this.type = 'Document'
+        this.icon = 'cheerio.svg'
+        this.category = 'Document Loaders'
+        this.description = `Load data from webpages`
+        this.baseClasses = [this.type]
+        this.inputs = [
+            {
+                label: 'URL',
+                name: 'url',
+                type: 'string'
+            },
+            {
+                label: 'Text Splitter',
+                name: 'textSplitter',
+                type: 'TextSplitter',
+                optional: true
+            }
+        ]
+    }
+
+    async init(nodeData: INodeData): Promise<any> {
+        const textSplitter = nodeData.inputs?.textSplitter as TextSplitter
+        let url = nodeData.inputs?.url as string
+
+        var urlPattern = new RegExp(
+            '^(https?:\\/\\/)?' + // validate protocol
+                '((([a-z\\d]([a-z\\d-]*[a-z\\d])*)\\.)+[a-z]{2,}|' + // validate domain name
+                '((\\d{1,3}\\.){3}\\d{1,3}))' + // validate OR ip (v4) address
+                '(\\:\\d+)?(\\/[-a-z\\d%_.~+]*)*' + // validate port and path
+                '(\\?[;&a-z\\d%_.~+=-]*)?' + // validate query string
+                '(\\#[-a-z\\d_]*)?$',
+            'i'
+        ) // validate fragment locator
+
+        const loader = new CheerioWebBaseLoader(urlPattern.test(url.trim()) ? url.trim() : '')
+
+        if (textSplitter) {
+            const docs = await loader.loadAndSplit(textSplitter)
+            return docs
+        } else {
+            const docs = await loader.load()
+            return docs
+        }
+    }
+}
+
+module.exports = { nodeClass: Cheerio_DocumentLoaders }

packages/components/nodes/documentloaders/Cheerio/cheerio.svg

@@ -0,0 +1,5 @@
+<svg xmlns="http://www.w3.org/2000/svg" class="icon icon-tabler icon-tabler-circle-letter-c" 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="M12 12m-9 0a9 9 0 1 0 18 0a9 9 0 1 0 -18 0"></path>
+   <path d="M14 10a2 2 0 1 0 -4 0v4a2 2 0 1 0 4 0"></path>
+</svg>

packages/components/nodes/embeddings/CohereEmbedding/CohereEmbedding.ts

@@ -0,0 +1,40 @@
+import { INode, INodeData, INodeParams } from '../../../src/Interface'
+import { getBaseClasses } from '../../../src/utils'
+import { CohereEmbeddings } from 'langchain/embeddings/cohere'
+
+class CohereEmbedding_Embeddings implements INode {
+    label: string
+    name: string
+    type: string
+    icon: string
+    category: string
+    description: string
+    baseClasses: string[]
+    inputs: INodeParams[]
+
+    constructor() {
+        this.label = 'Cohere Embeddings'
+        this.name = 'cohereEmbeddings'
+        this.type = 'CohereEmbeddings'
+        this.icon = 'cohere.png'
+        this.category = 'Embeddings'
+        this.description = 'Cohere API to generate embeddings for a given text'
+        this.baseClasses = [this.type, ...getBaseClasses(CohereEmbeddings)]
+        this.inputs = [
+            {
+                label: 'Cohere API Key',
+                name: 'cohereApiKey',
+                type: 'password'
+            }
+        ]
+    }
+
+    async init(nodeData: INodeData): Promise<any> {
+        const apiKey = nodeData.inputs?.cohereApiKey as string
+
+        const model = new CohereEmbeddings({ apiKey })
+        return model
+    }
+}
+
+module.exports = { nodeClass: CohereEmbedding_Embeddings }