feat(uti): Dash demo

[csit.git] / resources / tools / dash / app / pal / assets.py

diff --git a/resources/tools/dash/app/pal/assets.py b/resources/tools/dash/app/pal/assets.py
new file mode 100644 (file)
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+++ b/resources/tools/dash/app/pal/assets.py
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+# Copyright (c) 2022 Cisco and/or its affiliates.
+# 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.
+
+"""Compile static assets."""
+from flask import current_app as app
+from flask_assets import Bundle
+
+
+def compile_static_assets(assets):
+    """Compile stylesheets if in development mode.
+
+    :param assets: Flask-Assets Environment.
+    :type assets: Environment
+    :returns: Compiled stylesheets.
+    :rtype: Environment
+    """
+    assets.auto_build = True
+    assets.debug = False
+    less_bundle = Bundle(
+        "less/*.less",
+        filters="less,cssmin",
+        output="dist/css/styles.css",
+        extra={"rel": "stylesheet/less"},
+    )
+    assets.register("less_all", less_bundle)
+    if app.config["FLASK_ENV"] == "development":
+        less_bundle.build()
+    return assets