Add credo config

.credo.exs

@@ -0,0 +1,108 @@
+# This file contains the configuration for Credo and you are probably reading
+# this after creating it with `mix credo.gen.config`.
+#
+# If you find anything wrong or unclear in this file, please report an
+# issue on GitHub: https://github.com/rrrene/credo/issues
+#
+%{
+  #
+  # You can have as many configs as you like in the `configs:` field.
+  configs: [
+    %{
+      #
+      # Run any config using `mix credo -C <name>`. If no config name is given
+      # "default" is used.
+      name: "default",
+      #
+      # these are the files included in the analysis
+      files: %{
+        #
+        # you can give explicit globs or simply directories
+        # in the latter case `**/*.{ex,exs}` will be used
+        included: ["lib/", "src/", "web/", "apps/"],
+        excluded: [~r"/_build/", ~r"/deps/"]
+      },
+      #
+      # If you create your own checks, you must specify the source files for
+      # them here, so they can be loaded by Credo before running the analysis.
+      requires: [],
+      #
+      # Credo automatically checks for updates, like e.g. Hex does.
+      # You can disable this behaviour below:
+      check_for_updates: true,
+      #
+      # You can customize the parameters of any check by adding a second element
+      # to the tuple.
+      #
+      # To disable a check put `false` as second element:
+      #
+      #     {Credo.Check.Design.DuplicatedCode, false}
+      #
+      checks: [
+        {Credo.Check.Consistency.ExceptionNames},
+        {Credo.Check.Consistency.LineEndings},
+        {Credo.Check.Consistency.SpaceAroundOperators},
+        {Credo.Check.Consistency.SpaceInParentheses},
+        {Credo.Check.Consistency.TabsOrSpaces},
+
+        # For some checks, like AliasUsage, you can only customize the priority
+        # Priority values are: `low, normal, high, higher`
+        {Credo.Check.Design.AliasUsage, priority: :low},
+
+        # For others you can set parameters
+
+        # If you don't want the `setup` and `test` macro calls in ExUnit tests
+        # or the `schema` macro in Ecto schemas to trigger DuplicatedCode, just
+        # set the `excluded_macros` parameter to `[:schema, :setup, :test]`.
+        {Credo.Check.Design.DuplicatedCode, excluded_macros: []},
+
+        # 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, exit_status: 2},
+        {Credo.Check.Design.TagFIXME},
+
+        {Credo.Check.Readability.FunctionNames},
+        {Credo.Check.Readability.LargeNumbers},
+        {Credo.Check.Readability.MaxLineLength, priority: :low, max_length: 120},
+        {Credo.Check.Readability.ModuleAttributeNames},
+        {Credo.Check.Readability.ModuleDoc},
+        {Credo.Check.Readability.ModuleNames},
+        {Credo.Check.Readability.PredicateFunctionNames},
+        {Credo.Check.Readability.TrailingBlankLine},
+        {Credo.Check.Readability.TrailingWhiteSpace},
+        {Credo.Check.Readability.VariableNames},
+
+        {Credo.Check.Refactor.ABCSize},
+        # {Credo.Check.Refactor.CaseTrivialMatches}, # deprecated in 0.4.0
+        {Credo.Check.Refactor.CondStatements},
+        {Credo.Check.Refactor.FunctionArity},
+        {Credo.Check.Refactor.MatchInCondition},
+        {Credo.Check.Refactor.PipeChainStart},
+        {Credo.Check.Refactor.CyclomaticComplexity},
+        {Credo.Check.Refactor.NegatedConditionsInUnless},
+        {Credo.Check.Refactor.NegatedConditionsWithElse},
+        {Credo.Check.Refactor.Nesting},
+        {Credo.Check.Refactor.UnlessWithElse},
+
+        {Credo.Check.Warning.IExPry},
+        {Credo.Check.Warning.IoInspect},
+        {Credo.Check.Warning.NameRedeclarationByAssignment},
+        {Credo.Check.Warning.NameRedeclarationByCase},
+        {Credo.Check.Warning.NameRedeclarationByDef},
+        {Credo.Check.Warning.NameRedeclarationByFn},
+        {Credo.Check.Warning.OperationOnSameValues},
+        {Credo.Check.Warning.BoolOperationOnSameValues},
+        {Credo.Check.Warning.UnusedEnumOperation},
+        {Credo.Check.Warning.UnusedKeywordOperation},
+        {Credo.Check.Warning.UnusedListOperation},
+        {Credo.Check.Warning.UnusedStringOperation},
+        {Credo.Check.Warning.UnusedTupleOperation},
+        {Credo.Check.Warning.OperationWithConstantResult},
+
+        # Custom checks can be created using `mix credo.gen.check`.
+        #
+      ]
+    }
+  ]
+}