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Path to Stage 4! #9
Description
Stage 4
- committee approval
- two implementations
- v8 (node / Chrome)
- node (for DOMException)
- spidermonkey (Firefox)
- jsc (Webkit / Safari)
- Deno (for DOMException)
- Porffor
- es-shims polyfill
- core-js
- kiesel
- Boa
- engine262
- significant in-the-field experience
- ecma262 PR approved
- prepare ecma262 PR
- HTML integration PRs merged (web platform integration #8)
Stage 3
- committee approval
- test262 tests approved/merged
- write test262 tests (PR)
- HTML integration PRs approved (web platform integration #8)
Stage 2.7
- committee approval
- spec editor signoff
- spec reviewer signoff
- Feedback on web compatibility #10 / The Setter probably should still define without ErrorData slot. #2 (spec the setter)
- Should setter throw for non-strings? #6
- ensure the getter does not throw for non-errors (Feedback on web compatibility #10)
- Should the stack getter on a non-Error return undefined or an empty string? #3
Stage 2
- committee approval
- spec reviewers selected
- spec text written
Stage 1
- committee approval
Activity
michaelficarra commentedon Mar 5, 2026
In §20.5.4 Properties of Error Instances, there's
This needs to be updated. There's similar claims in the summaries of the NativeError and AggregateError constructors that also need to be updated.
nicolo-ribaudo commentedon Mar 5, 2026
The proposal's spec text looks good to me.
Update DOMException language to reflect standardized stack accessor
Update DOMException language to reflect standardized stack accessor
HTML integration for "Error Stack Accessor" TC39 Proposal
Add WPT tests for Error Stack Accessor proposal web platform integration
bakkot commentedon Mar 10, 2026
The setter's a bit weird, but assuming that's definitely the behavior we want, LGTM.
address review feedback
ljharb commentedon Mar 10, 2026
Fixed Michael's comment in #9 (comment).
HTML integration for "Error Stack Accessor" TC39 Proposal
HTML integration for "Error Stack Accessor" TC39 Proposal
HTML integration for "Error Stack Accessor" TC39 Proposal
Update DOMException language to reflect standardized stack accessor
Update DOMException language to reflect standardized stack accessor
HTML integration for "Error Stack Accessor" TC39 Proposal
10 remaining items
Normative: add Error.prototype.stack (tc39#3878)
Add WPT tests for Error Stack Accessor proposal web platform integrat…
Update DOMException language to reflect standardized stack accessor
Integrate with Error Stack Accessor proposal
ajvincent commentedon May 26, 2026
Congratulations on stage 3.
Bug 2042299 [wpt PR 58397] - Add WPT tests for Error Stack Accessor p…
Bug 2042299 [wpt PR 58397] - Add WPT tests for Error Stack Accessor p…
Bug 2042299 [wpt PR 58397] - Add WPT tests for Error Stack Accessor p…
Bug 2042299 [wpt PR 58397] - Add WPT tests for Error Stack Accessor p…
Normative: add Error.prototype.stack (tc39#3878)
Normative: add Error.prototype.stack (tc39#3878)
Normative: add Error.prototype.stack (tc39#3878)
linusg commentedon Oct 1, 2026
Tracking issues for the big three:
Normative: add Error.prototype.stack (tc39#3878)
Bug 2042299 [wpt PR 58397] - Add WPT tests for Error Stack Accessor p…