Add option for pointing plugin content to a vite host (#10005)

src/backend/InvenTree/InvenTree/settings.py

@@ -209,6 +209,14 @@ PLUGIN_TESTING_EVENTS = False  # Flag if events are tested right now
 PLUGIN_TESTING_EVENTS_ASYNC = False  # Flag if events are tested asynchronously
 PLUGIN_TESTING_RELOAD = False  # Flag if plugin reloading is in testing (check_reload)
 
+PLUGIN_DEV_SLUG = (
+    get_setting('INVENTREE_PLUGIN_DEV_SLUG', 'plugin_dev.slug') if DEBUG else None
+)
+
+PLUGIN_DEV_HOST = get_setting(
+    'INVENTREE_PLUGIN_DEV_HOST', 'plugin_dev.host', 'http://localhost:5174'
+)  # Host for the plugin development server
+
 PLUGIN_RETRY = get_setting(
     'INVENTREE_PLUGIN_RETRY', 'PLUGIN_RETRY', 3, typecast=int
 )  # How often should plugin loading be tried?

src/backend/InvenTree/plugin/plugin.py

@@ -473,16 +473,34 @@ class InvenTreePlugin(VersionMixin, MixinBase, MetaBase):
 
     # endregion
 
-    def plugin_static_file(self, *args):
-        """Construct a path to a static file within the plugin directory."""
+    def plugin_static_file(self, *args) -> str:
+        """Construct a path to a static file within the plugin directory.
+
+        - This will return a URL can be used to access the static file
+        - The path is constructed using the STATIC_URL setting and the plugin slug
+        - Note: If the plugin is selected for "development" mode, the path will point to a vite server URL
+
+        """
         import os
 
         from django.conf import settings
 
-        url = os.path.join(settings.STATIC_URL, 'plugins', self.SLUG, *args)
+        if (
+            settings.DEBUG
+            and settings.PLUGIN_DEV_HOST
+            and settings.PLUGIN_DEV_SLUG
+            and self.SLUG == settings.PLUGIN_DEV_SLUG
+        ):
+            # If the plugin is selected for development mode, use the development host
+            pathname = '/'.join(list(args))
+            url = f'{settings.PLUGIN_DEV_HOST}/src/{pathname}'
+            url = url.replace('.js', '.tsx')
+        else:
+            # Otherwise, construct the URL using the STATIC_URL setting
+            url = os.path.join(settings.STATIC_URL, 'plugins', self.SLUG, *args)
 
-        if not url.startswith('/'):
-            url = '/' + url
+            if not url.startswith('/'):
+                url = '/' + url
 
         return url