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An MkDocs plugin to find unused (orphaned) files in your project.

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mkdocs-unused-files

An MkDocs plugin to find unused (orphaned) files in your project.

This is useful, e.g., if your project contains a lot of image files and you lost track which images are still in use.

A file is considered "used" when it is referenced in at least one Markdown file of your project, either as an image or as a hyperlink reference.

💡 The plugin only searches in the page content, not in the rendered template (footer, header, navigation), for better performance. Therefore, the plugin may incorrectly report template files as unused.

Installation

Install the package with pip:

pip install mkdocs-unused-files

Enable the plugin in your mkdocs.yml:

plugins:
  - search
  - unused_files

Note: If you have no plugins entry in your config file yet, you'll likely also want to add the search plugin. MkDocs enables it by default if there is no plugins entry set, but now you have to enable it explicitly.

How It Works

When building your MkDocs project, the plugin searches for unused files of certain types in a specified directory. If unused files are found, the plugin displays an info message, listing the files.

Search is done as follows:

  1. Get the list of files in the specified directory, including all subdirectories.
  2. Collect all image and hyperlink references in the HTML output (<a href="..."> and <img src="...">).
  3. Remove all referenced files from the list of files.
  4. Once all pages have been processed, display an MkDocs info message listing all non-referenced files:
INFO -  The following files exist in the docs directory, but may be unused:
        - images/image1.svg
        - images/subdir/image2.png

Options

  • dir: The directory where to search for unused files. Path is relative to docs_dir. The plugin recurses all subdirectories. For example, if you specify images and docs_dir is set to docs, the plugin searches in docs/images, including all subdirectories. Defaults to docs_dir.
  • file_types: List of file types the plugin should process (whitelist). If empty or omitted, all files except Markdown (md) files will be processed. Defaults to [].
  • excluded_files: List of files the plugin should not process (blacklist). Works in combination with file_types. Entries apply to dir and all its subdirectories. Do not specify paths here, only file names. You can use wildcards. For example, foo-*.jpg excludes all JPG files prefixed with foo- in all directories. Defaults to [].
  • strict: Elevates the log level to warning. This allows you to use MkDocs' strict flag (mkdocs build -s) to abort a build if unused files exist. Defaults to false.
  • enabled: This option specifies whether the plugin is enabled when building your project. If you want to switch the plugin off, e.g. for local builds, use an environment variable. Defaults to true.

Example

plugins:
  - unused_files:
    dir: images
    file_types:
      - png
      - jpg
      - svg
    excluded_files:
      - favicon.png
      - foo-*.jpg
    strict: true
    enabled: !ENV [CI, false]

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An MkDocs plugin to find unused (orphaned) files in your project.

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