What is the purpose of _ _ webpack_require__.i?

// identity function for calling harmony imports with the correct context
__webpack_require__.i = function(value) { return value; };
After

webpack is packaged, there will be a function, what is the function of this function? The comments are not understood

Feb.28,2021
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-64f5-1b32f4f-2b6a9.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b32f4f-2b6a9.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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