LGTM3

/Daniel

On 2025-01-07 11:49, Yoav Weiss (@Shopify) wrote:
LGTM2

On Mon, Jan 6, 2025 at 8:09 PM Mike Taylor <miketa...@chromium.org> wrote:

    LGTM1

    On 1/6/25 12:51 PM, Chromestatus wrote:


            Contact emails

    s...@chromium.org


            Explainer

    None


            Specification

    https://tc39.es/proposal-is-error


            Summary

    Adds the Error.isError(obj) static method. It returns true for JS
    native errors and DOMExceptions, and false otherwise.



            Blink component

    Blink>JavaScript>Language
    
<https://issues.chromium.org/issues?q=customfield1222907:%22Blink%3EJavaScript%3ELanguage%22>



            TAG review

    None


            TAG review status

    Not applicable


            Risks



            Interoperability and Compatibility

    None



    /Gecko/: Positive This is a Stage 3 TC39 proposal.

    /WebKit/: Positive This is a Stage 3 TC39 proposal.

    /Web developers/: No signals

    /Other signals/:


            WebView application risks

    Does this intent deprecate or change behavior of existing APIs,
    such that it has potentially high risk for Android WebView-based
    applications?

    None



            Debuggability

    None. It is a new static method on Error.



            Will this feature be supported on all six Blink platforms
            (Windows, Mac, Linux, ChromeOS, Android, and Android
            WebView)?

    Yes


            Is this feature fully tested by web-platform-tests
            
<https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>?

    Yes

    https://github.com/tc39/test262/pull/4266
    https://github.com/web-platform-tests/wpt/pull/49133



            Flag name on about://flags

    --js-error-iserror


            Finch feature name

    V8Flag_js_error_iserror


            Requires code in //chrome?

    False


            Measurement

    WebDXFeature::kErrorIserror


            Estimated milestones

    Shipping on desktop         134
    DevTrial on desktop         133
    Shipping on Android         134
    DevTrial on Android         133
    Shipping on WebView         134



            Anticipated spec changes

    Open questions about a feature may be a source of future web
    compat or interop issues. Please list open issues (e.g. links to
    known github issues in the project for the feature specification)
    whose resolution may introduce web compat/interop risk (e.g.,
    changing to naming or structure of the API in a
    non-backward-compatible way).

    None


            Link to entry on the Chrome Platform Status

    https://chromestatus.com/feature/5847855083028480?gate=6156767049023488


    This intent message was generated by Chrome Platform Status
    <https://chromestatus.com>.
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