What business will the React source code be used for after building the output file?

clipboard.png

React finished packing, found that in addition to our commonly used files in the dist directory, found that there are several more folders, what are these folders for? Very confused!

Note: this is the react source code, not your own project!

Apr.25,2021

your own project how does anyone know that
create-react-app creates a project that build doesn't produce these superfluous things

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-64f5-1e47e1f-59cbb.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e47e1f-59cbb.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
Need Help?