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Documentation for the Drift package

Folder Structure:

  • builders Contains the builders for the snippets and dart projects versions (versions.json and *.excerpt.json in lib).
  • docs Contains the markdown files for the documentation.
  • deploy The output of the documentation build.
  • lib Contains the code snippets for the documentation.
  • test Contains the tests for the documentation.
  • web Contains some dart which code which is compiled to JavaScript and served with the documentation.
  • mkdocs Contains the MkDocs configuration.

Building the Documentation

You will need to make the docs.sh script executable before you can run it. You can do this by running the following command:

chmod +x docs.sh

Run the following command to build the documentation:

docs.sh build

Serving the Documentation

You can also serve the documentation locally and view it in your browser. Changes to the documentation will be reflected in real-time.

Run the following command to serve the documentation:

docs.sh serve

If you would like changes to snippets to be available in real-time, you can run the following command:

docs.sh serve --with-build-runner
Limitations of Serving the Documentation
  • The flutter example project will not be built when serving. If you would like the flutter example to be available while serving the docs, you will need to run the docs.sh build 1st. 
    docs.sh build
docs.sh serve
  • The web folder will not be watch for changes. If you change code in the web folder, you will have to kill the server and restart it.

Understanding the Build Process

Behind the scenes, the docs.sh script does the following:

  1. Running webdev:
    • Creates versions.json which will inject the latest version into MkDocs. e.g. ^{{ versions.drift }}
    • Creates .excerpt.json snippet files in lib which MkDocs will use to inject syntax highlighted code into the documentation. e.g. {{ load_snippet('flutter','lib/snippets/setup/database.dart.excerpt.json') }}
    • Run the drift_dev builder to generate the code for the snippets.
    • Compile the dart code in web to JavaScript.
  2. Running mkdocs:
    • Compile the markdown files in docs to HTML.
  3. Combine the output of the two steps into the deploy folder.

Syntax Highlighting

Code which is included in markdown using ``` ``` snippets is highlighted by mkdocs automatically. These colors can be modified by following the instructions in the MkDocs documentation.

Code snippets which are included in the documentation using the {{ load_snippet() }} macro are highlighted too. If they are from a .dart file we use a custom syntax highlighter, otherwise we use the default MkDocs syntax highlighter.

When build_runner runs, it will create a *.excerpt.json next to each snippet file which contains each snippet in styled HTML (dart) or in raw text (all other languages). The {{ load_snippet() }} macro injects the snippets from these *.excerpt.json files. The code for this macro can be found in /docs/mkdocs/main.py.