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jupyterlab-toc

This extension was added to the core JupyterLab extensions for JupyterLab 3.0. Anyone using JupyterLab < 3.0 should use this extension, but anyone using JupyterLab >= 3.0 will already have this extension installed with the core JupyterLab extensions. Any issues or pull requests should be added to the JupyterLab repo.

Binder

A Table of Contents extension for JupyterLab. This auto-generates a table of contents in the left area when you have a notebook or markdown document open. The entries are clickable, and scroll the document to the heading in question.

Here is an animation showing the extension's use, with a notebook from the Python Data Science Handbook:

Table of Contents

Prerequisites

  • JupyterLab >=2.0
  • NodeJS 12+

Installation

jupyter labextension install @jupyterlab/toc

Settings

Once installed, extension behavior can be modified via the following settings which can be set in JupyterLab's advanced settings editor:

  • collapsibleNotebooks: enable the ability to collapse sections of notebooks from the ToC

Development

For a development install, do the following in the repository directory:

jlpm install
jlpm run build
jupyter labextension install .

You can then run JupyterLab in watch mode to automatically pick up changes to @jupyterlab/toc. Open a terminal in the @jupyterlab/toc repository directory and enter

jlpm run watch

Then launch JupyterLab using

jupyter lab --watch

This will automatically recompile @jupyterlab/toc upon changes, and JupyterLab will rebuild itself. You should then be able to refresh the page and see your changes.