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Allow asterisks in comments

Open
#111 0 comments 3 reactions 0 assignees View on GitHub

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Assessment

Difficulty
3/5
Estimated time
1-2 days
Newbie friendliness
45/100
Issue type
Bug
Clarity
Mostly clear
Activity status
Stale
Tech stack
javascript, nodejs
Domain
tooling

Research direction

Locate the parser entry point that handles /* comments and reproduce the failure with /* Upload *.dSYM to Firebase */. Trace how the comment body is scanned, then verify that an internal asterisk is accepted while the closing */ still terminates the comment without a SyntaxError.

Written by the indexing model from the issue text.

Description

bug

Once the parser passes a /* token, it proceeds to search for a */ token, throwing a SyntaxError as soon as it encounter an asterisk not immediately followed by a slash. Comments can contain asterisks though. Many of these comments in project files are autogenerated, for example based on a file name which could have an asterisk in it.

Could the parser ignore * characters between /* and */, continuing its search without issue until it finds the closing */?

To reproduce the below, call the parser on any (file containing a) line such as /* Upload *.dSYM to Firebase */:

Thrown:
{ [SyntaxError: Expected "*/" or [^*] but "*" found.
]
  message: 'Expected "*/" or [^*] but "*" found.',
  expected:
   [ { type: 'class',
       parts: [Array],
       inverted: true,
       ignoreCase: false },
     { type: 'literal', text: '*/', ignoreCase: false },
     { type: 'class',
       parts: [Array],
       inverted: true,
       ignoreCase: false },
     { type: 'literal', text: '*/', ignoreCase: false } ],
  found: '*',
  location:
   { start: { offset: 697, line: 13, column: 35 },
     end: { offset: 698, line: 13, column: 36 } },
  name: 'SyntaxError' }
Dominant language
JavaScript
Stars
217
Forks
102
Avg merge
2d 9h
Merged PRs (30d)
8

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