Coverage for metrics / lloc / typescript.py: 100%

1"""LLOC (Logical Lines of Code) for TypeScript.""" 

2 

3from __future__ import annotations 

4 

5_TS_LLOC_TYPES = { 

6 # Simple statements 

7 "expression_statement", "return_statement", 

8 "break_statement", "continue_statement", 

9 "throw_statement", "debugger_statement", "empty_statement", 

10 # Declarations 

11 "variable_declaration", "lexical_declaration", 

12 "function_declaration", "generator_function_declaration", 

13 "class_declaration", "abstract_class_declaration", 

14 "type_alias_declaration", "interface_declaration", 

15 "enum_declaration", 

16 # Import / export 

17 "import_statement", "export_statement", 

18 # Compound statement headers 

19 "if_statement", 

20 "for_statement", "for_in_statement", 

21 "while_statement", "do_statement", 

22 "switch_statement", "switch_case", "switch_default", 

23 "try_statement", "catch_clause", "finally_clause", 

24 "with_statement", "labeled_statement", 

25} 

26 

27 

28def count_lloc(root) -> int: 

29 """Count logical lines of code in a TypeScript AST.""" 

30 count = 0 

31 if root.type in _TS_LLOC_TYPES: 

32 count += 1 

33 elif root.type == "else_clause": 

34 if not any(c.type == "if_statement" for c in root.children): 

35 count += 1 

36 for child in root.children: 

37 count += count_lloc(child) 

38 return count