fix: viewer js relativ url handling for versioning support using mike

README.md

@@ -65,6 +65,8 @@ By default the plugin uses the official url for the minified drawio javascript l
 
 > If you want to use a self-hosted JavaScript viewer file. You should download the latest version from the [official drawio repo](https://github.com/jgraph/drawio/blob/dev/src/main/webapp/js/viewer-static.min.js).
 
+Self-hosted viewer paths can be configured as site-root paths such as `/js/viewer-static.min.js`. The plugin normalizes them per page, so they also work on versioned deployments such as `mike`.
+
 ```yaml
 plugins:
   - drawio:

examples/docs/configuration.md

@@ -4,6 +4,8 @@
 
 By default the plugin uses the official url for the minified drawio javascript library. To use a custom source for the drawio viewer you can overwritte the url. This might be useful in airlocked environments.
 
+Self-hosted viewer paths can be configured as site-root paths such as `/js/viewer-static.min.js`. The plugin normalizes them per page, so they also work on versioned deployments such as `mike`.
+
 ```yaml
 plugins:
   - drawio:

mkdocs_drawio/plugin.py

@@ -9,7 +9,7 @@
 from pathlib import Path
 from typing import Dict
 from bs4 import BeautifulSoup
-from mkdocs.utils import copy_file
+from mkdocs.utils import copy_file, normalize_url
 from mkdocs.plugins import BasePlugin
 from mkdocs.config import base, config_options as c
 
@@ -164,7 +164,7 @@ def render_drawio_diagrams(self, output_content, page):
             return output_content
 
         # add drawio library to body
-        lib = soup.new_tag("script", src=self.config.viewer_js)
+        lib = soup.new_tag("script", src=normalize_url(self.config.viewer_js, page))
         soup.body.append(lib)
 
         # substitute images with embedded drawio diagram

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "mkdocs-drawio"
-version = "1.16.1"
+version = "1.16.2"
 description = "MkDocs plugin for embedding Drawio files"
 authors = [
     "Jan Larwig <jan@larwig.com>",