25f230191f
That way, we can set it to "" for old lexers, and check that it's present on new lexers. (In the future, we might also use it for better presentation in the documentation.)
75 lines
2.2 KiB
Python
75 lines
2.2 KiB
Python
"""
|
|
pygments.lexers.jsx
|
|
~~~~~~~~~~~~~~~~~~~
|
|
|
|
Lexers for JSX (React).
|
|
|
|
:copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS.
|
|
:license: BSD, see LICENSE for details.
|
|
"""
|
|
|
|
import re
|
|
|
|
from pygments.lexer import bygroups, default, include, inherit
|
|
from pygments.lexers.javascript import JavascriptLexer
|
|
from pygments.token import Name, Operator, Punctuation, String, Text, \
|
|
Whitespace
|
|
|
|
__all__ = ['JsxLexer']
|
|
|
|
|
|
class JsxLexer(JavascriptLexer):
|
|
"""For JavaScript Syntax Extension (JSX).
|
|
"""
|
|
|
|
name = "JSX"
|
|
aliases = ["jsx", "react"]
|
|
filenames = ["*.jsx", "*.react"]
|
|
mimetypes = ["text/jsx", "text/typescript-jsx"]
|
|
url = "https://facebook.github.io/jsx/"
|
|
version_added = '2.17'
|
|
|
|
flags = re.MULTILINE | re.DOTALL
|
|
|
|
# Use same tokens as `JavascriptLexer`, but with tags and attributes support
|
|
tokens = {
|
|
"root": [
|
|
include("jsx"),
|
|
inherit,
|
|
],
|
|
"jsx": [
|
|
(r"</?>", Punctuation), # JSXFragment <>|</>
|
|
(r"(<)(\w+)(\.?)", bygroups(Punctuation, Name.Tag, Punctuation), "tag"),
|
|
(
|
|
r"(</)(\w+)(>)",
|
|
bygroups(Punctuation, Name.Tag, Punctuation),
|
|
),
|
|
(
|
|
r"(</)(\w+)",
|
|
bygroups(Punctuation, Name.Tag),
|
|
"fragment",
|
|
), # Same for React.Context
|
|
],
|
|
"tag": [
|
|
(r"\s+", Whitespace),
|
|
(r"([\w-]+)(\s*)(=)(\s*)", bygroups(Name.Attribute, Whitespace, Operator, Whitespace), "attr"),
|
|
(r"[{}]+", Punctuation),
|
|
(r"[\w\.]+", Name.Attribute),
|
|
(r"(/?)(\s*)(>)", bygroups(Punctuation, Text, Punctuation), "#pop"),
|
|
],
|
|
"fragment": [
|
|
(r"(.)(\w+)", bygroups(Punctuation, Name.Attribute)),
|
|
(r"(>)", bygroups(Punctuation), "#pop"),
|
|
],
|
|
"attr": [
|
|
(r"\{", Punctuation, "expression"),
|
|
(r'".*?"', String, "#pop"),
|
|
(r"'.*?'", String, "#pop"),
|
|
default("#pop"),
|
|
],
|
|
"expression": [
|
|
(r"\{", Punctuation, "#push"),
|
|
(r"\}", Punctuation, "#pop"),
|
|
include("root"),
|
|
],
|
|
}
|