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Iterator helpers

Category

JavaScript

Type

Chromium catches up

Status

Enabled by default (Chrome 122)

Intent stage

Prepare to ship

• Breaking change: No
• Enterprise impact: None
• Chromium flag: --harmony_iterator_helpers
• Spec maturity: Working draft
• Web Platform Tests: Yes

WPT details: https://github.com/tc39/test262/pull/2818

Summary

Iterator helpers are new methods on iterator prototype to allow general usage and consumption of iterators.

Standards & signals

• Specification: https://tc39.es/proposal-iterator-helpers
• Firefox: Positive — This is a TC39 Stage 3 proposal.
• Safari: Positive — This is a TC39 Stage 3 proposal.
• Web developers: Positive
• Tracking bug: https://bugs.chromium.org/p/v8/issues/detail?id=13558

Ecosystem

• Web Platform Tests: https://wpt.fyi/results/?q=iterator-helpers
• Chrome Platform Showcase: https://chrome-platform-showcase.paulkinlan-ea.deno.net/features
• GenDN reference: https://gendn.paulkinlan-ea.deno.net/features
• chrome.dev demos search: https://www.google.com/search?q=site%3Achrome.dev+Iterator%20helpers
• MDN Web Docs: https://developer.mozilla.org/en-US/search?q=Iterator%20helpers
• Baseline status: https://webstatus.dev/?q=Iterator%20helpers

View on chromestatus.com