Function _readAs

lib/FileAPI.core.js:1473–1509

(file, fn, method, encoding)

	function _readAs(file, fn, method, encoding){
		if( api.isBlob(file) && _hasSupportReadAs(method) ){
			var Reader = new FileReader;

			// Add event listener
			_on(Reader, _readerEvents, function _fn(evt){
				var type = evt.type;
				if( type == 'progress' ){
					_emit(file, fn, evt, evt.target.result, { loaded: evt.loaded, total: evt.total });
				}
				else if( type == 'loadend' ){
					_off(Reader, _readerEvents, _fn);
					Reader = null;
				}
				else {
					_emit(file, fn, evt, evt.target.result);
				}
			});


			try {
				// ReadAs ...
				if( encoding ){
					Reader['readAs' + method](file, encoding);
				}
				else {
					Reader['readAs' + method](file);
				}
			}
			catch (err){
				_emit(file, fn, 'error', undef, { error: err.toString() });
			}
		}
		else {
			_emit(file, fn, 'error', undef, { error: 'filreader_not_support_' + method });
		}
	}


	function _isRegularFile(file, callback){