Elixir codebase formatter

.formatter.exs

 
 # project_root/.formatter.exs
 
    [
    
      # functions to let allow the no parens like def print value
      locals_without_parens: [hello: 2, get_user: 1, addtion: *],  
      
      # files to format 
      inputs: ["mix.exs", "{config,lib,test}/**/*.{ex,exs}"],
      
      line_length: 80,                                             
      
      # importing configs from other libraries it is depending
      import_deps: [:dependency1, :dependency2],                  
      
      # configuration export to other projects to use in their projects
      export: [                                                    
        [
          locals_without_parens: [hello: 2, get_user: 1, addtion: *]
        ]
      ]
    ]