jashkenas/coffeescript

Bug: Heregex escaped space before comment includes comment in transpiled regex

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#5,428 opened on Oct 13, 2022

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 (0 comments) (0 reactions) (0 assignees)CoffeeScript (1,982 forks)batch import
bughelp wanted

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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

Research direction
Inspect the heregex parser logic in the CoffeeScript compiler to identify why escaped space before a comment includes the comment in the transpiled regex. The bug is reported for version 2.7.0.
Tech stack
javascript
Domain
tooling
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
CoffeeScript
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
65