Ios swift adjust textview width according to its content width in a tableview custom cell

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iOS

Swift

i have a tableview that display users chatting messages from server.
the tableview has a custom cell with one textview.
i want to adjust the textView width according to the message width(content width) that has been loaded from server.

using the mentioned code below , i could get the right width of each message when the view appear, however when i scroll up or down , a different width is assigned to the textview and my tableview get messed up.

What I have tried:

 let contentSize = cell.messageTextView.sizeThatFits(cell.messageTextView.bounds.size)
var frame = cell.messageTextView.frame
frame.size.height = contentSize.height
frame.size.width = contentSize.width
cell.messageTextView.frame = frame
cell.messageTextView.frame.size.height = contentSize.height
cell.messageTextView.frame.size.width = contentSize.width