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Apparently on WebKit (including ish's webview), getSelection() can return an object with no ranges (rangeCount == 0). In those cases, calling getRangeAt(0) causes an error to be thrown: "IndexSizeError: The index is not in the allowed range" This error was appearing in the JS console when tapping/clicking randomly. Checking rangeCount here fixes the error. See also: https://stackoverflow.com/questions/22935320/uncaught-indexsizeerror-failed-to-execute-getrangeat-on-selection-0-is-not Signed-off-by: Elvira Khabirova <lineprinter0@gmail.com>
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Apparently on WebKit (including ish's webview), getSelection() can return an object with no ranges (rangeCount == 0).
In those cases, calling getRangeAt(0) causes an error to be thrown: "IndexSizeError: The index is not in the allowed range"
This error was appearing in the JS console when tapping/clicking randomly. Checking rangeCount here fixes the error.
See also:
https://stackoverflow.com/questions/22935320/uncaught-indexsizeerror-failed-to-execute-getrangeat-on-selection-0-is-not