tc39 / tc39/proposal-private-declarations

What is `typeof private #x`?

Open
#4 43 comments 0 reactions 0 assignees View on GitHub

Nobody has claimed this yet.

Dominant language
HTML
Stars
26
Forks
2
Avg merge
1m
Merged PRs (30d)
2

Description

Currently it didn't mentioned in spec, but it seems to be very important.

private #x declares a private name. But what is private name in terms of JavaScript.
Is typeof #x some kind of primitive value? Is it private symbol? How does it relate to key reification and Membrane pattern?

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reviewing the proposal's treatment of private names and the questions in this issue about typeof #x, primitive values, private symbols, key reification, and the Membrane pattern. Done means the semantics are resolved and documented in the proposal, including how typeof applies to private names.

Written by the indexing model from the issue text.

Assessment

Tech stack
javascript
Domain
compilers
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
20/100

Get new issues in your inbox

A short digest of beginner-friendly GitHub issues.