Sharing: Gracefully fail on bad message JSON #6563
Merged
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This pull request seeks to resolve an error which can occur in some cases when a
postmessage
containing a non-JSON-formatted message could result in an error in the sharing buttons preview frame handler.Testing instructions:
Verify that no regressions occur in the usage of the sharing buttons preview, including previewing (notably "Official" button style where iframe is in use) and updating buttons.
Test live: https://calypso.live/?branch=fix/media-bad-message-handling