feat: Add FilterDataComponent for filtering Message objects based on a list of strings

src/backend/base/langflow/components/helpers/FilterData.py

@@ -0,0 +1,33 @@
+from typing import List
+
+from langflow.custom import Component
+from langflow.inputs import StrInput
+from langflow.schema import Data
+from langflow.template import Input, Output
+
+
+class FilterDataComponent(Component):
+    display_name = "Filter Message"
+    description = "Filters a Message object based on a list of strings."
+    icon = "filter"
+
+    inputs = [
+        Input(name="message", display_name="Message", info="Message object to filter.", input_types=["Message"]),
+        StrInput(
+            name="filter_criteria", display_name="Filter Criteria", info="List of strings to filter by.", is_list=True
+        ),
+    ]
+
+    outputs = [
+        Output(display_name="Filtered Data", name="filtered_data", method="filter_data"),
+    ]
+
+    def filter_data(self) -> Data:
+        filter_criteria: List[str] = self.filter_criteria
+
+        # Filter the data
+        filtered = {key: value for key, value in self.message.data.items() if key == filter_criteria}
+
+        # Create a new Data object with the filtered data
+        self.status = filtered
+        return filtered