Will do! > On 29 Jan 2017, at 15:15, Lars Hansen <lhan...@mozilla.com> wrote: > > If you encounter a most-current-release browser that requires the transfer > form of postmessage, could you follow up here so that I can bug the > appropriate person about it? Thanks. > > --lars > > > On Sat, Jan 28, 2017 at 2:26 PM, Axel Rauschmayer <rausc...@icloud.com > <mailto:rausc...@icloud.com>> wrote: > Thanks! This worked for me for a toy example (for multiple calls, I’d record > whether an exception was thrown during the first try): > > ``` > try { > // Try new API (clone) > worker.postMessage({sharedBuffer}); > } catch (e) { > // Fall back to old API (transfer) > worker.postMessage({sharedBuffer}, [sharedBuffer]); > } > ``` > > Complete source code: > https://github.com/rauschma/shared-array-buffer-demo/blob/master/main.js > <https://github.com/rauschma/shared-array-buffer-demo/blob/master/main.js> > > Axel > >> On 25 Jan 2017, at 15:03, Lars Hansen <lhan...@mozilla.com >> <mailto:lhan...@mozilla.com>> wrote: >> >> You're asking about how postMessage() handles a SharedArrayBuffer, since the >> spec changed last summer from requiring the buffer to be in the transfer >> list to forbidding it. For the time being, Firefox allows the SAB to be in >> the transfer list but prints a warning in the console; by and by we will >> throw an error for that (and until then we'll fail any test cases that test >> for an exception). This is implemented in Firefox 51, if my testing right >> now is correct. >> >> Since no browser has officially shipped this functionality I think some >> browser sniffing may be reasonable for early adopters who want to operate in >> a multi-browser setting. I would expect that when this functionality is >> enabled by default in a browser the browser would adhere to the spec. >> >> --lars >> >> >> On Wed, Jan 25, 2017 at 10:49 AM, Axel Rauschmayer <rausc...@icloud.com >> <mailto:rausc...@icloud.com>> wrote: >> AFAICT, all current implementations want you to transfer SABs. What’s the >> best way to prepare for the future? `try` transferring and clone in the >> `catch` clause? >> >> Thanks! >> >> Axel >> >> -- >> Dr. Axel Rauschmayer >> rauschma.de <http://rauschma.de/> >> [Sent from a mobile device, please forgive brevity and typos] >> _______________________________________________ >> es-discuss mailing list >> es-discuss@mozilla.org <mailto:es-discuss@mozilla.org> >> https://mail.mozilla.org/listinfo/es-discuss >> <https://mail.mozilla.org/listinfo/es-discuss> >> > > -- > Dr. Axel Rauschmayer > a...@rauschma.de <mailto:a...@rauschma.de> > dr-axel.de <http://dr-axel.de/> >
-- Dr. Axel Rauschmayer a...@rauschma.de dr-axel.de
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