feat(jinja): webpack_optional global helper

oarepo_ui/ext.py

@@ -3,9 +3,14 @@
 from pathlib import Path
 
 from flask import Response, current_app
+from flask_webpackext import current_manifest
+from flask_webpackext.errors import ManifestKeyNotFoundError
 from importlib_metadata import entry_points
 from invenio_base.utils import obj_or_import_string
 from flask_login import user_logged_in, user_logged_out
+from markupsafe import Markup
+
+from .proxies import current_optional_manifest
 from .utils import clear_view_deposit_page_permission_from_session
 
 
@@ -20,6 +25,12 @@ def __init__(self, app):
         self.init_builder_plugin()
         self._catalog = None
 
+    def optional_manifest(self, key):
+        try:
+            return current_manifest[key]
+        except ManifestKeyNotFoundError as e:
+            return Markup(f"<!-- Warn: {e} -->")
+
     def reinitialize_catalog(self):
         self._catalog = None
         try:
@@ -95,6 +106,7 @@ def init_app(self, app):
         app.extensions["oarepo_ui"] = OARepoUIState(app)
         user_logged_in.connect(clear_view_deposit_page_permission_from_session)
         user_logged_out.connect(clear_view_deposit_page_permission_from_session)
+        app.add_template_global(current_optional_manifest, name="webpack_optional")
 
     def init_config(self, app):
         """Initialize configuration."""

oarepo_ui/proxies.py

@@ -3,3 +3,6 @@
 
 current_oarepo_ui = LocalProxy(lambda: current_app.extensions["oarepo_ui"])
 """Proxy to the oarepo_ui state."""
+
+current_optional_manifest = LocalProxy(lambda: current_oarepo_ui.optional_manifest)
+"""Proxy to current optional webpack manifest."""

oarepo_ui/templates/oarepo_ui/javascript.html

@@ -1,7 +1,6 @@
 {% include "invenio_theme/javascript.html" %}
-
+{{ webpack['oarepo-overridable-registry.js'] }}
 {{ webpack['oarepo_ui_theme.js'] }}
 {{ webpack['oarepo_ui_components.js'] }}
-{{ webpack['oarepo-overridable-registry.js'] }}
-
 
+{{ webpack_optional('overrides-' ~ request.endpoint ~ '.js') }}