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Re: Is BlobBuilder needed?

From: Alex Russell <slightlyoff@google.com>
Date: Tue, 25 Oct 2011 13:17:27 -0700
Message-ID: <CANr5HFWdsX3cTJxuVvgixXagH1v_zdL6p4V_167K5pbZVFPuUw@mail.gmail.com>
To: Jonas Sicking <jonas@sicking.cc>
Cc: Webapps WG <public-webapps@w3.org>, Eric Uhrhane <ericu@google.com>
+1!

On Mon, Oct 24, 2011 at 3:52 PM, Jonas Sicking <jonas@sicking.cc> wrote:
> Hi everyone,
>
> It was pointed out to me on twitter that BlobBuilder can be replaced
> with simply making Blob constructable. I.e. the following code:
>
> var bb = new BlobBuilder();
> bb.append(blob1);
> bb.append(blob2);
> bb.append("some string");
> bb.append(myArrayBuffer);
> var b = bb.getBlob();
>
> would become
>
> b = new Blob([blob1, blob2, "some string", myArrayBuffer]);
>
> or look at it another way:
>
> var x = new BlobBuilder();
> becomes
> var x = [];
>
> x.append(y);
> becomes
> x.push(y);
>
> var b = x.getBlob();
> becomes
> var b = new Blob(x);
>
> So at worst there is a one-to-one mapping in code required to simply
> have |new Blob|. At best it requires much fewer lines if the page has
> several parts available at once.
>
> And we'd save a whole class since Blobs already exist.
>
> / Jonas
>
>
Received on Tuesday, 25 October 2011 20:28:47 GMT

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