How do I use the ES7 decorator on objects or variables or functions?

babel ES7 decorator plug-in, it seems that can only be used on Class, how to break?

React.js javascript babel6
Mar.03,2021

the decorator is the class of the decorated object and a way to declare the object

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MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b323db-2bdff.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b323db-2bdff.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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