https://github.com/elixir-lang/elixir/pull/13644

On Thursday, June 6, 2024 at 2:07:18 PM UTC+2 José Valim wrote:

We should probably call `format_elixir: true` and that sounds good to me. A 
PR is welcome!

On Thu, Jun 6, 2024 at 9:15 AM Aleksei Matiushkin <aleksei.m...@kantox.com> 
wrote:

Problem: 

when generating files with `Mix.Generator`, one should either be an expert 
in whitespace, or explicitly run `File.write!(target_file, 
Code.format_file!(target_file))` after the file has been generated.

Solution:

Accept `format: true` as another option in a call to 
`Mix.Generator.copy_template/4` (technically, in a call to 
`Mix.Generator.create_file/2` here 
https://github.com/elixir-lang/elixir/blob/v1.16.3/lib/mix/lib/mix/generator.ex#L30
 
which would call `Code.format_string/2` as in here: 
https://github.com/elixir-lang/elixir/blob/v1.16.3/lib/elixir/lib/code.ex#L1014C17-L1014C32
 
on content.

If this fits, I can provide a PR.

--
—AM

If passed, the resulting file would have been 
  

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