How does vue monitor changes in window's history.length in a component

how to do it in this component, or how to write it in vuex, put it in which part of mutations,getters,actions

Mar.20,2021
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-64f5-1b3e2c3-4f057.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b3e2c3-4f057.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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