Display the entire content of map files (#1014)

* Display the entire content of map files

Signed-off-by: Keshav Priyadarshi <git@keshav.space>

* Use context manager while opening file

Signed-off-by: Keshav Priyadarshi <git@keshav.space>

---------

Signed-off-by: Keshav Priyadarshi <git@keshav.space>

Author: keshav-space

scanpipe/models.py

@@ -2422,6 +2422,17 @@ def file_content(self):
         for optimal compatibility.
         """
         from textcode.analysis import numbered_text_lines
+        from typecode import get_type
+
+        # When reading a map file, Textcode only provides the content inside
+        # `sourcesContent`, which can be misleading during any kind of review.
+        # This workaround ensures that the entire content of map files is displayed.
+        file_type = get_type(self.location)
+        if file_type.is_js_map:
+            with open(self.location, "r") as file:
+                content = json.load(file)
+
+            return json.dumps(content, indent=2)
 
         numbered_lines = numbered_text_lines(self.location)
         numbered_lines = self._regroup_numbered_lines(numbered_lines)

scanpipe/tests/test_models.py

@@ -21,6 +21,7 @@
 # Visit https://github.com/nexB/scancode.io for support and download.
 
 import io
+import json
 import shutil
 import sys
 import tempfile
@@ -1229,6 +1230,18 @@ def test_scanpipe_codebase_resource_model_file_content(self):
         line_count = len(resource.file_content.split("\n"))
         self.assertEqual(101, line_count)
 
+    def test_scanpipe_codebase_resource_model_file_content_for_map(self):
+        map_file_path = self.data_location / "d2d-javascript/to/main.js.map"
+        copy_input(map_file_path, self.project1.codebase_path)
+        resource = self.project1.codebaseresources.create(path="main.js.map")
+
+        with open(map_file_path, "r") as file:
+            expected = json.load(file)
+
+        result = json.loads(resource.file_content)
+
+        self.assertEqual(expected, result)
+
     def test_scanpipe_codebase_resource_model_compliance_alert(self):
         scanpipe_app.license_policies_index = license_policies_index
         resource = CodebaseResource.objects.create(project=self.project1, path="file")