Add heuristics-based minified file detection (#619)

# Motivation

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# Content

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# Testing

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# Please check the following before marking your PR as ready for review

- [ ] I have added tests for my changes
- [ ] I have updated the documentation or added new documentation as
needed

Author: EdwardJXLi

src/codegen/sdk/codebase/codebase_context.py

@@ -67,7 +67,7 @@
     ".*/ace/.*.js",
     "src/vs/platform/contextview/browser/contextMenuService.ts",
     "*/compiled/*",
-    "*/*.min.js",
+    "*.min.js",
 ]
 
 

src/codegen/sdk/core/file.py

@@ -45,6 +45,8 @@
 
 logger = logging.getLogger(__name__)
 
+MINIFIED_FILE_THRESHOLD = 500
+
 
 @apidoc
 class File(Editable[None]):
@@ -577,6 +579,12 @@ def invalidate(self):
     def from_content(cls, filepath: str | PathLike | Path, content: str, ctx: CodebaseContext, sync: bool = True, verify_syntax: bool = True) -> Self | None:
         """Creates a new file from content and adds it to the graph."""
         path = ctx.to_absolute(filepath)
+
+        # Sanity check to ensure file is not a minified file
+        if any(len(line) >= MINIFIED_FILE_THRESHOLD for line in content.split("\n")):
+            logger.info(f"File {filepath} is a minified file (Line length < {MINIFIED_FILE_THRESHOLD}). Skipping...", extra={"filepath": filepath})
+            return None
+
         ts_node = parse_file(path, content)
         if ts_node.has_error and verify_syntax:
             logger.info("Failed to parse file %s", filepath)

tests/unit/codegen/sdk/codebase/file/test_file.py

@@ -211,3 +211,14 @@ def test_files_in_subdirectories_case_sensitivity(tmpdir) -> None:
         assert codebase.has_file("SubDir3/File3.py", ignore_case=False)
         assert not codebase.has_file("SUBDIR3/FILE3.py", ignore_case=False)
         assert not codebase.has_file("subdir3/file3.py", ignore_case=False)
+
+
+def test_minified_file(tmpdir) -> None:
+    with get_codebase_session(tmpdir=tmpdir, files={"file1.min.js": "console.log(123)", "file2.js": f"console.log(1{'0' * 1000})"}) as codebase:
+        # This should match the `*.min.js` pattern
+        file1 = codebase.ctx.get_file("file1.min.js")
+        assert file1 is None
+
+        # This should match the maximum line length threshold
+        file2 = codebase.ctx.get_file("file2.js")
+        assert file2 is None