[jira] [Created] (CB-11699) FileReader.READ_CHUNK_SIZE is not working with Base64 conversion

["Tony Leung (JIRA)" <ji...@apache.org>]

Tony Leung created CB-11699:
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             Summary: FileReader.READ_CHUNK_SIZE is not working with Base64 conversion
                 Key: CB-11699
                 URL: https://issues.apache.org/jira/browse/CB-11699
             Project: Apache Cordova
          Issue Type: Bug
          Components: Plugin File
    Affects Versions: 4.2.0
         Environment: Bug in JavaScript so all platform will be affected
            Reporter: Tony Leung


CB-7862 - the fix for reading files in chunks defined the chunk size as follow:
FileReader.READ_CHUNK_SIZE = 256*1024;

I found a bug on iOS that readAsDataURL in CDVFile.m, converting it to Base64 will not work because the chunk size 262144 is not dividable by 3.

The quick fix will be FileReader.READ_CHUNK_SIZE = (256*1024) - 1




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