jashkenas / jashkenas/coffeescript
Bug: Heregex escaped space before comment includes comment in transpiled regex
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Nobody has claimed this yet.
bug
help wanted
- Dominant language
- CoffeeScript
- Stars
- 16.6k
- Forks
- 2k
- PR merge metrics
- No merged PRs in 30d
Description
Input Code
///
a\ # this is a bug
///
Expected Behavior
// this is a bug
/a /;
Current Behavior
// this is a bug
/a #thisisabug/;
- CoffeeScript version: 2.7.0
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
No file or test is named. Reproduce the escaped-space-before-comment example with CoffeeScript 2.7.0, then trace the heregex transpilation entry point. Done means the input produces /a /; with the comment emitted separately as // this is a bug.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- coffeescript
- Domain
- compilers
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 45/100