Microsoft/TypeScript

Symbol.species should in constructor, not instance

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#50,168 opened on Aug 3, 2022

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 (0 comments) (1 reaction) (0 assignees)TypeScript (13,395 forks)batch import
BugDomain: lib.d.tsHelp Wanted

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Description

Bug Report

🔎 Search Terms

🕗 Version & Regression Information

  • This is a crash
  • This changed between versions ______ and _______
  • This is the behavior in every version I tried, and I reviewed the FAQ for entries about _________
  • I was unable to test this on prior versions because _______

⏯ Playground Link

💻 Code

https://github.com/microsoft/TypeScript/blob/a3a5e009a5a7c95fbc0a08dff6d8947cceff7807/src/lib/es2017.sharedmemory.d.ts#L14

🙁 Actual behavior

🙂 Expected behavior

Contributor guide

Research direction
Examine the linked line in es2017.sharedmemory.d.ts to understand the current placement of Symbol.species. Research the ECMAScript specification for the correct placement (constructor vs instance) and propose a fix.
Tech stack
typescript
Domain
compilers
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
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.
Unclear
Prerequisites
TypeScriptJavaScript Symbols
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
30