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Microsoft Word Document Loader

Microsoft Word is a word processing software for creating and editing text documents. This module provides functionality to load and process Word documents using officeparser.

This module provides a sophisticated Word document loader that can: - Load Word documents - Extract text content - Split content into sections - Handle page numbering - Process metadata per section - Support multiple section formats - Handle various section separators

Inputs

Required Parameters

  • Word File: The Word file(s) to process (.doc, .docx)

Optional Parameters

  • Text Splitter: A text splitter to process the extracted content
  • Additional Metadata: JSON object with additional metadata
  • Omit Metadata Keys: Comma-separated list of metadata keys to omit

Outputs

  • Document: Array of document objects containing metadata and pageContent
  • Text: Concatenated string from pageContent of documents

Features

  • Text extraction
  • Section separation
  • Metadata handling
  • Error handling
  • Memory-efficient processing
  • Heuristic section detection
  • Content filtering

Section Detection Methods

Pattern Recognition

The loader attempts to identify sections using common patterns: - "Page X" markers - "Section X" markers - "Chapter X" markers - Numbered sections (e.g., "1. ", "2. ") - ALL CAPS headings - Long underscore separators - Long dash separators

Fallback Mechanisms

If pattern recognition fails: 1. Split by multiple newlines 2. Split by double newlines 3. Treat content as single section

Document Structure

Each document contains: - pageContent: Extracted text content from the section - metadata: - documentType: "word" - pageNumber: Sequential section number - Additional custom metadata

Content Processing

  • Empty sections are filtered out
  • Leading/trailing whitespace removed
  • Minimum content length validation
  • Reasonable section count validation

Metadata Attributes

Default attributes include: - documentType: Type of document (string) - pageCount: Number of pages/sections (number) - Custom metadata from input

Notes

  • Uses officeparser for extraction
  • Handles various document formats
  • Intelligent section detection
  • Content validation
  • Memory-efficient processing
  • Error handling for invalid files
  • Flexible output formats
  • Robust fallback mechanisms