.credo.exs

# Run any config using `mix credo -C <name>`. If no config name is given
# "default" is used.
%{
  configs: [
    %{
      name: "default",
      files: %{
        included: [
          "{mix,.formatter,.credo}.exs",
          "lib/",
          "src/",
          "test/",
          "priv/repo/"
        ],
        excluded: [~r"/_build/", ~r"/deps/", ~r"/node_modules/"]
      },
      plugins: [],
      requires: [],
      strict: true,
      parse_timeout: 5000,
      color: true,
      checks: %{
        enabled: [
          #
          ## 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, []},
          {Credo.Check.Consistency.UnusedVariableNames, false},

          #
          ## 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: 2, 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.TagFIXME, []},

          #
          ## Readability Checks
          #
          {Credo.Check.Readability.AliasOrder, []},
          {Credo.Check.Readability.FunctionNames, []},
          {Credo.Check.Readability.ImplTrue, []},
          {Credo.Check.Readability.LargeNumbers, false},
          {Credo.Check.Readability.MaxLineLength, [priority: :low, max_length: 120]},
          {Credo.Check.Readability.ModuleAttributeNames, []},
          {Credo.Check.Readability.ModuleNames, []},
          {Credo.Check.Readability.ParenthesesInCondition, []},
          {Credo.Check.Readability.ParenthesesOnZeroArityDefs, false},
          {Credo.Check.Readability.PipeIntoAnonymousFunctions, []},
          {Credo.Check.Readability.PredicateFunctionNames, []},
          {Credo.Check.Readability.PreferImplicitTry, false},
          {Credo.Check.Readability.RedundantBlankLines, []},
          {Credo.Check.Readability.Semicolons, []},
          {Credo.Check.Readability.SeparateAliasRequire, []},
          {Credo.Check.Readability.SingleFunctionToBlockPipe, []},
          {Credo.Check.Readability.SinglePipe, false},
          {Credo.Check.Readability.SpaceAfterCommas, []},
          {Credo.Check.Readability.Specs, false},
          {Credo.Check.Readability.StrictModuleLayout, []},
          {Credo.Check.Readability.StringSigils, []},
          {Credo.Check.Readability.TrailingBlankLine, []},
          {Credo.Check.Readability.TrailingWhiteSpace, []},
          {Credo.Check.Readability.UnnecessaryAliasExpansion, []},
          {Credo.Check.Readability.VariableNames, []},
          {Credo.Check.Readability.WithCustomTaggedTuple, []},
          {Credo.Check.Readability.WithSingleClause, false},

          #
          ## Refactoring Opportunities
          #
          {Credo.Check.Refactor.AppendSingleItem, []},
          {Credo.Check.Refactor.Apply, []},
          {Credo.Check.Refactor.CondStatements, []},
          {Credo.Check.Refactor.CyclomaticComplexity, [max_complexity: 12]},
          {Credo.Check.Refactor.DoubleBooleanNegation, []},
          {Credo.Check.Refactor.FilterFilter, []},
          {Credo.Check.Refactor.FilterReject, []},
          {Credo.Check.Refactor.FunctionArity, []},
          {Credo.Check.Refactor.IoPuts, []},
          {Credo.Check.Refactor.LongQuoteBlocks, []},
          {Credo.Check.Refactor.MapJoin, []},
          {Credo.Check.Refactor.MapMap, []},
          {Credo.Check.Refactor.MatchInCondition, []},
          {Credo.Check.Refactor.NegatedConditionsInUnless, []},
          {Credo.Check.Refactor.NegatedConditionsWithElse, []},
          {Credo.Check.Refactor.Nesting, [max_nesting: 4]},
          {Credo.Check.Refactor.RedundantWithClauseResult, []},
          {Credo.Check.Refactor.RejectFilter, []},
          {Credo.Check.Refactor.RejectReject, []},
          {Credo.Check.Refactor.UnlessWithElse, []},
          {Credo.Check.Refactor.WithClauses, false},

          #
          ## Warnings
          #
          {Credo.Check.Warning.ApplicationConfigInModuleAttribute, []},
          {Credo.Check.Warning.BoolOperationOnSameValues, []},
          {Credo.Check.Warning.ExpensiveEmptyEnumCheck, []},
          {Credo.Check.Warning.IExPry, []},
          {Credo.Check.Warning.IoInspect, []},
          {Credo.Check.Warning.LazyLogging, []},
          {Credo.Check.Warning.LeakyEnvironment, []},
          {Credo.Check.Warning.MapGetUnsafePass, []},
          {Credo.Check.Warning.MixEnv, []},
          {Credo.Check.Warning.OperationOnSameValues, []},
          {Credo.Check.Warning.OperationWithConstantResult, []},
          {Credo.Check.Warning.RaiseInsideRescue, []},
          {Credo.Check.Warning.SpecWithStruct, []},
          {Credo.Check.Warning.UnsafeExec, []},
          {Credo.Check.Warning.UnsafeToAtom, []},
          {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.WrongTestFileExtension, []}
        ],
        disabled: [
          #
          # Checks scheduled for next check update (opt-in for now, just replace `false` with `[]`)

          #
          # Controversial and experimental checks (opt-in, just move the check to `:enabled`
          #   and be sure to use `mix credo --strict` to see low priority checks)
          #
          {Credo.Check.Consistency.MultiAliasImportRequireUse, []},
          {Credo.Check.Design.DuplicatedCode, []},
          {Credo.Check.Design.SkipTestWithoutComment, []},
          {Credo.Check.Design.TagTODO, [exit_status: 2]},
          {Credo.Check.Readability.AliasAs, []},
          {Credo.Check.Readability.BlockPipe, []},
          {Credo.Check.Readability.ModuleDoc, []},
          {Credo.Check.Readability.MultiAlias, []},
          {Credo.Check.Readability.NestedFunctionCalls, []},
          {Credo.Check.Refactor.ABCSize, []},
          {Credo.Check.Refactor.ModuleDependencies, []},
          {Credo.Check.Refactor.NegatedIsNil, []},
          {Credo.Check.Refactor.PipeChainStart, []},
          {Credo.Check.Refactor.VariableRebinding, []}

          # {Credo.Check.Refactor.MapInto, []},

          #
          # Custom checks can be created using `mix credo.gen.check`.
          #
        ]
      }
    }
  ]
}