Custom Document Loader

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Node Details

• Name: customDocumentLoader
• Type: Document
• Version: 1.0
• Category: Document Loaders

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Input Parameters

1. Input Variables (optional)

   • Type: JSON
   • Description: Input variables that can be used in the function with a ‘$' prefix (e.g.,$var)
   • Accepts variables and lists

2. Javascript Function

   • Type: Code
   • Description: A JavaScript function that must return either:
     • An array of document objects (each containing pageContent and metadata) if “Document” output is selected
     • A string if “Text” output is selected

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Output

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Output

The node provides two possible output types:

1. Document

   • Description: Array of document objects containing metadata and pageContent
   • Base Classes: Document, json

2. Document

   • Description: Array of document objects containing metadata and pageContent
   • Base Classes: Document, json

3. Text

   • Description: Concatenated string from pageContent of documents
   • Base Classes: string, json

4. Text

   • Description: Concatenated string from pageContent of documents
   • Base Classes: string, json

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Functionality

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Functionality

The Custom Document Loader node allows users to write custom JavaScript code to load and process documents or text. It provides a sandboxed environment with access to various built-in and external dependencies, as well as input variables and flow information. Key features:

• Supports both document object arrays and plain text output
• Provides access to input variables, chat flow information, and custom variables
• Runs the custom code in a secure sandbox environment
• Allows for complex document loading and processing logic

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Use Cases

• Integrating custom data sources
• Implementing complex document processing logic
• Generating dynamic document content within a chatflow
• Creating custom document loading workflows
• Supports both document object arrays and plain text output
• Provides access to input variables, chat flow information, and custom variables
• Runs the custom code in a secure sandbox environment
• Allows for complex document loading and processing logic

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Use Cases

• Integrating custom data sources
• Implementing complex document processing logic
• Generating dynamic document content within a chatflow
• Creating custom document loading workflows

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Usage

1. Configure any necessary input variables
2. Write a JavaScript function that loads and/or processes documents or text
3. Choose the appropriate output type (Document or Text)
4. Use the node in your chatflow to dynamically load or generate document content

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Example JavaScript Function

return [
    {
        pageContent: 'Document Content',
        metadata: {
            title: 'Document Title',
            }
    }
    ]
    {
        pageContent: 'Document Content',
        metadata: {
            title: 'Document Title',
            }
    }
    ]

This node is particularly useful for integrating custom data sources, implementing complex document processing logic, or generating dynamic document content within a chatflow.