JavaScript: (bugfix) consider << operator when detecting JSX area

[masatake]

Fixed #4227

[codecov]

Codecov Report

Attention: Patch coverage is 90.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 85.84%. Comparing base (fccad9b) to head (2cfc884).
Report is 3 commits behind head on master.

Files with missing lines	Patch %	Lines
parsers/jscript.c	90.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #4228   +/-   ##
=======================================
  Coverage   85.84%   85.84%           
=======================================
  Files         242      242           
  Lines       62592    62601    +9     
=======================================
+ Hits        53729    53737    +8     
- Misses       8863     8864    +1     

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[Copilot]

Copilot reviewed 4 out of 6 changed files in this pull request and generated 1 comment.

Files not reviewed (2)

• Units/parser-javascript.r/shift-op-jsx.d/README: Language not supported
• Units/parser-javascript.r/shift-op-jsx.d/args.ctags: Language not supported

Comments suppressed due to low confidence (1)

parsers/jscript.c:3820

• [nitpick] The comment contains a grammatical error; consider changing 'functions called from this functions' to 'functions called from this function'.

 * and functions called from this functions).

[Copilot]

Copilot reviewed 4 out of 6 changed files in this pull request and generated no comments.

Files not reviewed (2)

• Units/parser-javascript.r/shift-op-jsx.d/README: Language not supported
• Units/parser-javascript.r/shift-op-jsx.d/args.ctags: Language not supported

Comments suppressed due to low confidence (1)

parsers/jscript.c:1219

• [nitpick] Consider renaming the variable 'd' to a more descriptive name (e.g., 'nextChar') to improve code clarity.

int d = getcFromInputFile ();