fix: Check table element before pasting it as a string #977
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Overview
We're getting this error in Sentry, pointed to this library.
The stack trace points to the line that calls
Array.from(tableElement.rows)
.PR Checklist
README.md
Test plan
We do not know how to reproduce this. But hopefully the changes make sense.
Part of the key to accept these changes is the removal of the type coercion on the return value of
parseHtmlToElement
. It is safer to not do that, and then check that the returned element is an instance ofHTMLTableElement
. On top of that, as an extra check, I added the condition to check thattableElement.rows
is not a falsy value.