.credo.exs

%{
  configs: [
    %{
      name: "default",
      files: %{
        included: [
          "lib/",
          "src/",
          "test/",
          "web/",
          "apps/*/lib/",
          "apps/*/src/",
          "apps/*/test/",
          "apps/*/web/"
        ],
        excluded: [~r"/_build/", ~r"/deps/", ~r"/node_modules/"]
      },
      plugins: [],
      requires: [],
      strict: true,
      parse_timeout: 5000,
      color: true,
      checks: [
        #
        ## Consistency Checks
        #
        {Credo.Check.Consistency.ExceptionNames, []},
        {Credo.Check.Consistency.LineEndings, []},
        {Credo.Check.Consistency.ParameterPatternMatching, []},
        {Credo.Check.Consistency.SpaceAroundOperators, []},
        {Credo.Check.Consistency.SpaceInParentheses, []},
        {Credo.Check.Consistency.TabsOrSpaces, []},

        #
        ## Design Checks
        #
        # You can customize the priority of any check
        # Priority values are: `low, normal, high, higher`
        #
        {Credo.Check.Design.AliasUsage,
         [priority: :low, if_nested_deeper_than: 5, if_called_more_often_than: 0]},
        # You can also customize the exit_status of each check.
        # If you don't want TODO comments to cause `mix credo` to fail, just
        # set this value to 0 (zero).
        #
        {Credo.Check.Design.TagTODO, false},
        {Credo.Check.Design.TagFIXME, []},

        #
        ## Readability Checks
        #
        {Credo.Check.Readability.AliasOrder, false},
        {Credo.Check.Readability.FunctionNames, []},
        {Credo.Check.Readability.LargeNumbers, false},
        {Credo.Check.Readability.MaxLineLength, [priority: :low, max_length: 120]},
        {Credo.Check.Readability.ModuleAttributeNames, []},
        {Credo.Check.Readability.ModuleDoc, false},
        {Credo.Check.Readability.ModuleNames, []},
        {Credo.Check.Readability.ParenthesesInCondition, []},
        {Credo.Check.Readability.ParenthesesOnZeroArityDefs, []},
        {Credo.Check.Readability.PredicateFunctionNames, []},
        {Credo.Check.Readability.PreferImplicitTry, []},
        {Credo.Check.Readability.RedundantBlankLines, []},
        {Credo.Check.Readability.Semicolons, []},
        {Credo.Check.Readability.SpaceAfterCommas, []},
        {Credo.Check.Readability.StringSigils, []},
        {Credo.Check.Readability.TrailingBlankLine, []},
        {Credo.Check.Readability.TrailingWhiteSpace, []},
        {Credo.Check.Readability.UnnecessaryAliasExpansion, []},
        {Credo.Check.Readability.VariableNames, []},

        #
        ## Refactoring Opportunities
        #
        {Credo.Check.Refactor.CondStatements, []},
        {Credo.Check.Refactor.CyclomaticComplexity, []},
        {Credo.Check.Refactor.FunctionArity, []},
        {Credo.Check.Refactor.LongQuoteBlocks, []},
        {Credo.Check.Refactor.MatchInCondition, []},
        {Credo.Check.Refactor.NegatedConditionsInUnless, []},
        {Credo.Check.Refactor.NegatedConditionsWithElse, []},
        {Credo.Check.Refactor.Nesting, []},
        {Credo.Check.Refactor.UnlessWithElse, []},
        {Credo.Check.Refactor.WithClauses, []},

        #
        ## Warnings
        #
        {Credo.Check.Warning.ApplicationConfigInModuleAttribute, []},
        {Credo.Check.Warning.BoolOperationOnSameValues, []},
        {Credo.Check.Warning.ExpensiveEmptyEnumCheck, []},
        {Credo.Check.Warning.IExPry, []},
        {Credo.Check.Warning.IoInspect, []},
        {Credo.Check.Warning.MixEnv, false},
        {Credo.Check.Warning.OperationOnSameValues, []},
        {Credo.Check.Warning.OperationWithConstantResult, []},
        {Credo.Check.Warning.RaiseInsideRescue, []},
        {Credo.Check.Warning.UnusedEnumOperation, []},
        {Credo.Check.Warning.UnusedFileOperation, []},
        {Credo.Check.Warning.UnusedKeywordOperation, []},
        {Credo.Check.Warning.UnusedListOperation, []},
        {Credo.Check.Warning.UnusedPathOperation, []},
        {Credo.Check.Warning.UnusedRegexOperation, []},
        {Credo.Check.Warning.UnusedStringOperation, []},
        {Credo.Check.Warning.UnusedTupleOperation, []},
        {Credo.Check.Warning.UnsafeExec, []},

        #
        # Controversial and experimental checks (opt-in, just replace `false` with `[]`)
        #
        {Credo.Check.Consistency.MultiAliasImportRequireUse, false},
        {Credo.Check.Consistency.UnusedVariableNames, false},
        {Credo.Check.Design.DuplicatedCode, false},
        {Credo.Check.Readability.AliasAs, false},
        {Credo.Check.Readability.BlockPipe, false},
        {Credo.Check.Readability.ImplTrue, false},
        {Credo.Check.Readability.MultiAlias, false},
        {Credo.Check.Readability.SeparateAliasRequire, false},
        {Credo.Check.Readability.SinglePipe, false},
        {Credo.Check.Readability.Specs, false},
        {Credo.Check.Readability.StrictModuleLayout, false},
        {Credo.Check.Readability.WithCustomTaggedTuple, []},
        {Credo.Check.Refactor.ABCSize, false},
        {Credo.Check.Refactor.AppendSingleItem, false},
        {Credo.Check.Refactor.DoubleBooleanNegation, []},
        {Credo.Check.Refactor.ModuleDependencies, false},
        {Credo.Check.Refactor.NegatedIsNil, false},
        {Credo.Check.Refactor.PipeChainStart,
         [excluded_argument_types: [:atom, :binary, :fn, :keyword], excluded_functions: []]},
        {Credo.Check.Refactor.VariableRebinding, false},
        {Credo.Check.Warning.LeakyEnvironment, []},
        {Credo.Check.Warning.MapGetUnsafePass, []},
        {Credo.Check.Warning.UnsafeToAtom, []},

        #
        # Custom
        #
        {CredoNaming.Check.Consistency.ModuleFilename,
         excluded_paths: ["test/support", "lib/packages_bot_web"]}
      ]
    }
  ]
}