typedoc-plugin-404: Create a 404 Page for TypeDoc Generated Docs

GitLab | GitHub

This plugin generates a 404.html at the root of the documents generated by TypeDoc. 404.html is a location for storing the 404 page that are recognized by web hosts such as GitHub Pages and GitLab Pages.

Install

npm install --save-dev @8hobbies/typedoc-plugin-404
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Usage

Pass --plugin @8hobbies/typedoc-plugin-404 when invoking the typedoc command:

typedoc --plugin @8hobbies/typedoc-plugin-404
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Or add the plugin to your typedoc.json file:

// typedoc.json
{
  "plugin": ["@8hobbies/typedoc-plugin-404"]
}
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Configuration

This plugin recognizes a page404Content option in your typedoc.json. You can specify custom content that shows up in the 404 page:

{
  "page404Content": "This page does not exist."
}
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The default value is "404 Page Not Found". The content can be HTML. The content is always wrapped with "<div class="404-content"></div>" in the HTML output.

Alternatively, check out this blog post for a detailed tutorial.

Use with the Default Theme

If you use this plugin with the default theme, you will need to replace asset paths in 404.html with absolute paths, otherwise user visiting non-existent pages in subfolders will not retrieve the right asset paths. This can be achieved by:

1. Installing replace-in-files-cli:

   npm install --save-dev replace-in-files-cli
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2. Run the replacement after typedoc. In your package.json file:

   {
     "scripts": {
       "doc": "typedoc && replace-in-files --string '=\"assets/' --replacement '=\"/assets/' docs/404.html"
     }
   }
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Live Example

The document of this plugin itself is a live example. Visit its 404 page or type in a random path from that domain to check out.

Contributing

Source code is available on GitLab.

To report a bug, visit the issue tracker.

To run test, run npm run test-all. To display test coverage, run npm run coverage. To build for production, run npm pack. To build the documentation, run npm run doc.

To send your contribution, open a merge request.

License

Copyright 2024 8 Hobbies, LLC <hong@8hobbies.com>

Licensed under the Apache License, Version 2.0(the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
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