FileReader silently fails

[David Leston]

When calling a "readAs" methods on FileReader with invalid input, no exception is thrown and the onerror callback is not invoked. This behavior is described on StackOverflow. I could not find information in the spec on what to do with invalid input. What is the appropriate forum to discuss changing this silent failure?

[Kinuko Yasuda]

It sounds like we should probably throw a type exception or something, though it doesn't seem spec'ed.

As for the spec issue you could probably file a spec bug from: https://www.w3.org/Bugs/Public/enter_bug.cgi (for WebAppsWG), or send an email to public-...@w3.org (http://lists.w3.org/Archives/Public/public-webapps/) where File/FileReader spec discussion takes place.

As for Chrome behavior it's great if you could file a bug: http://crbug.com/new

Thanks!

On Mon, Mar 25, 2013 at 3:43 PM, David Leston <david....@gmail.com> wrote:

When calling a "readAs" methods on FileReader with invalid input, no exception is thrown and the onerror callback is not invoked. This behavior is described on StackOverflow. I could not find information in the spec on what to do with invalid input. What is the appropriate forum to discuss changing this silent failure?

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[David Leston]

Thank you for the links. I have filed W3C spec bug for WebAppsWG and a Chromium bug. It's my first time filing a bug in either of these communities. I invite folks to modify the bug reports to make them more useful or to ask for more info.