warning: LF will be replaced by CRLF in chat-app/package-lock.json. The file will have its original line endings in your working directory code example
Example 1: The file will have its original line endings in your working directory
# If you are a single developer working on a windows machine,
# and you don't care that git automatically replaces LFs to CRLFs,
# you can turn this warning off by typing the following in the git command line
git config core.autocrlf true
Example 2: lf will be replaced by crlf
Linux and MacOS: use characters as in file
$ git config --global core.autocrlf input
Windows: deactivate the automatic conversion to CRLF
$ git config --global core.autocrlf false