Can someone please explain how to prevent Prettier from automatically inserting a new line at the end of my JavaScript file in VS Code?

After installing Prettier and configuring it to format on save, I encountered an issue while running Firebase deploy:

172:6   error    Newline not allowed at end of file    eol-last

I noticed that Prettier is adding a new line at the end when formatting on save. How can I prevent this behavior?

Answer №1

To prevent the Prettier extension from adding a new line at the end of a file, you can adjust the "insertFinalNewLine" option in your prettier configuration file by setting it to "false". Here's an example:

  {
    "insertFinalNewLine": "false"
  }

Alternatively, you can disable automatic line-wrapping and prevent the addition of a newline at the end of a file by setting "proseWrap" to "never". Like this:

{
 "proseWrap": "never"
}

I hope this information is helpful.

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