[whatwg] Adding a btoa overload that takes Uint8Array

Mark Watson watsonm at netflix.com
Wed Mar 6 08:07:07 PST 2013

Whilst on the topic of base64, has anyone considered adding support for base64url ?


On Mar 4, 2013, at 10:29 AM, Kenneth Russell wrote:

> On Mon, Mar 4, 2013 at 10:04 AM, Joshua Bell <jsbell at chromium.org> wrote:
>> On Mon, Mar 4, 2013 at 9:09 AM, Boris Zbarsky <bzbarsky at mit.edu> wrote:
>>> The problem I'm trying to solve is sending Unicode text to consumers who
>>> need base64-encoded input.  Right now the only "sane" way to do it (and I
>>> quote "sane" for obvious reasons) is something like the example at
>>> https://developer.mozilla.org/**en-US/docs/DOM/window.btoa#**
>>> Unicode_Strings<https://developer.mozilla.org/en-US/docs/DOM/window.btoa#Unicode_Strings>
>>> It seems like it would be better if the output of a TextEncoder could be
>>> passed directly to btoa.  But for that we need an overload of btoa that
>>> takes a Uint8Array.
>> FYI, I believe the last iteration on this topic ended with this message:
>> http://lists.whatwg.org/htdig.cgi/whatwg-whatwg.org/2012-June/036372.html
>> i.e. consensus that base64 should stay out of the Encoding API, but that it
>> would be nice to have some form of base64 / Typed Array conversion API. But
>> there were no concrete proposals beyond my strawman in that post.
>> So: agreed, have at it!
> Yes, adding an overload of btoa taking Uint8Array sounds good.

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