How do I restrict the file type with uploadcare in javascript?

Question

I am trying to restrict the file type (only mp3 files) when I open a dialog with uploadcare.

 uploadcare.loadFileGroup(soundGroupID) .done(function (fileGroup) { uploadcare.openDialog(fileGroup.files(), { multiple: true, multipleMin: 0, fileTypes="mp3" }).done( function (file) { file.promise().done( function (fileInfo) { //TODO Something }); }); }) .fail(function () { // Something went wrong. });

Is there any way to push a validator? Is there any way to access the widget? As you can see, I am opening a dialog so I can not access the widget anywhere.

if it passes an accept param into the file input's attrib you're golden. — dandavis
– dandavis, Commented Nov 10, 2014 at 18:52

homm · Accepted Answer · 2014-11-10 18:55:33Z

Unfortunately there is no validators for dialogs in current API, only for widgets. But you can create fake widget and use .openDialog() method on it.

uploadcare.loadFileGroup(soundGroupID) .done(function (fileGroup) { var widget = uploadcare.MultipleWidget('<input data-multiple multiple-min="1">'); widget.validators.push(function(info) { if (info.name !== null) { if ( ! /\.mp3$/i.test(info.name)) { throw Error('mp3-only'); } } }); widget.openDialog(null).done( function (file) { file.promise().done( function (fileInfo) { //TODO Something }); }); }) .fail(function () { // Something went wrong. });

Alternatively, you can pass list of validators in private __validators option, but this is internal API and can be changed in future versions.

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