Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.11/site-packages/pygments/lexers/jsx.py: 100%

1""" 

2 pygments.lexers.jsx 

3 ~~~~~~~~~~~~~~~~~~~ 

4 

5 Lexers for JSX (React) and TSX (TypeScript flavor). 

6 

7 :copyright: Copyright 2006-2025 by the Pygments team, see AUTHORS. 

8 :license: BSD, see LICENSE for details. 

9""" 

10 

11import re 

12 

13from pygments.lexer import bygroups, default, include, inherit 

14from pygments.lexers.javascript import JavascriptLexer, TypeScriptLexer 

15from pygments.token import Name, Operator, Punctuation, String, Text, \ 

16 Whitespace 

17 

18__all__ = ['JsxLexer', 'TsxLexer'] 

19 

20_JSX_RULES = { 

21 "jsx": [ 

22 (r"</?>", Punctuation), # JSXFragment <>|</> 

23 (r"(<)(\w+)(\.?)", bygroups(Punctuation, Name.Tag, Punctuation), "tag"), 

24 ( 

25 r"(</)(\w+)(>)", 

26 bygroups(Punctuation, Name.Tag, Punctuation), 

27 ), 

28 ( 

29 r"(</)(\w+)", 

30 bygroups(Punctuation, Name.Tag), 

31 "fragment", 

32 ), # Same for React.Context 

33 ], 

34 "tag": [ 

35 (r"\s+", Whitespace), 

36 (r"([\w-]+)(\s*)(=)(\s*)", bygroups(Name.Attribute, Whitespace, Operator, Whitespace), "attr"), 

37 (r"[{}]+", Punctuation), 

38 (r"[\w\.]+", Name.Attribute), 

39 (r"(/?)(\s*)(>)", bygroups(Punctuation, Text, Punctuation), "#pop"), 

40 ], 

41 "fragment": [ 

42 (r"(.)(\w+)", bygroups(Punctuation, Name.Attribute)), 

43 (r"(>)", bygroups(Punctuation), "#pop"), 

44 ], 

45 "attr": [ 

46 (r"\{", Punctuation, "expression"), 

47 (r'".*?"', String, "#pop"), 

48 (r"'.*?'", String, "#pop"), 

49 default("#pop"), 

50 ], 

51 "expression": [ 

52 (r"\{", Punctuation, "#push"), 

53 (r"\}", Punctuation, "#pop"), 

54 include("root"), 

55 ], 

56} 

57 

58 

59class JsxLexer(JavascriptLexer): 

60 """For JavaScript Syntax Extension (JSX). 

61 """ 

62 

63 name = "JSX" 

64 aliases = ["jsx", "react"] 

65 filenames = ["*.jsx", "*.react"] 

66 mimetypes = ["text/jsx", "text/typescript-jsx"] 

67 url = "https://facebook.github.io/jsx/" 

68 version_added = '2.17' 

69 

70 flags = re.MULTILINE | re.DOTALL 

71 

72 # Use same tokens as `JavascriptLexer`, but with tags and attributes support 

73 tokens = { 

74 "root": [ 

75 include("jsx"), 

76 inherit, 

77 ], 

78 **_JSX_RULES} 

79 

80 

81class TsxLexer(TypeScriptLexer): 

82 """For TypeScript with embedded JSX 

83 """ 

84 

85 name = "TSX" 

86 aliases = ["tsx"] 

87 filenames = ["*.tsx"] 

88 mimetypes = ["text/typescript-tsx"] 

89 url = "https://www.typescriptlang.org/docs/handbook/jsx.html" 

90 version_added = '2.19' 

91 

92 flags = re.MULTILINE | re.DOTALL 

93 

94 # Use same tokens as `TypescriptLexer`, but with tags and attributes support 

95 tokens = { 

96 "root": [ 

97 include("jsx"), 

98 inherit, 

99 ], 

100 **_JSX_RULES}