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409 lines
14 KiB
Elm
409 lines
14 KiB
Elm
module ModuleNameLookupTableTest exposing (all)
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import Elm.Syntax.Declaration as Declaration exposing (Declaration)
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import Elm.Syntax.Expression as Expression exposing (Expression)
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import Elm.Syntax.ModuleName exposing (ModuleName)
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import Elm.Syntax.Node as Node exposing (Node(..))
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import Elm.Syntax.Pattern as Pattern
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import Elm.Syntax.Range exposing (Range)
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import Elm.Syntax.TypeAnnotation as TypeAnnotation exposing (TypeAnnotation)
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import Fixtures.Dependencies as Dependencies
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import Review.ModuleNameLookupTable as ModuleNameLookupTable exposing (ModuleNameLookupTable)
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import Review.Project as Project exposing (Project)
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import Review.Rule as Rule exposing (Error, Rule)
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import Review.Test
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import Test exposing (Test, test)
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all : Test
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all =
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Test.describe "ModuleNameLookupTable.moduleNameFor"
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[ test "should return the module that defined the value" <|
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\() ->
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let
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rule : Rule
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rule =
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createRule
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(Rule.withExpressionEnterVisitor expressionVisitor
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>> Rule.withDeclarationEnterVisitor declarationVisitor
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)
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in
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[ """module A exposing (..)
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import Bar as Baz exposing (baz)
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import ExposesSomeThings exposing (..)
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import ExposesEverything exposing (..)
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import Foo.Bar
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import Html exposing (..)
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import Http exposing (get)
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import Something.B as Something
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import Something.C as Something
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localValue = 1
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localValueValueToBeShadowed = 1
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type Msg = SomeMsgToBeShadowed
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a = localValue
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localValueValueToBeShadowed
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SomeMsgToBeShadowed
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SomeOtherMsg
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Something.b
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Something.c
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Something.BAlias
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Something.Bar
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unknownValue
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exposedElement
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nonExposedElement
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elementFromExposesEverything
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VariantA
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Foo.bar
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Foo.Bar
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Baz.foo
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baz
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{ baz | a = 1 }
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button
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Http.get
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get
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always
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True
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Just
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b = case () of
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VariantA -> ()
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(ExposesEverything.VariantA as foo) -> foo
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someFunction Something.B.Bar =
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let Something.B.Bar = ()
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in ()
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""", """module ExposesSomeThings exposing (SomeOtherTypeAlias, exposedElement)
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type NonExposedCustomType = Variant
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type alias SomeOtherTypeAlias = {}
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exposedElement = 1
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nonExposedElement = 2
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""", """module ExposesEverything exposing (..)
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type SomeCustomType = VariantA | VariantB
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type alias SomeTypeAlias = {}
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type Msg = SomeMsgToBeShadowed | SomeOtherMsg
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elementFromExposesEverything = 1
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localValueValueToBeShadowed = 1
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""", """module Something.B exposing (..)
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b = 1
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type Foo = Bar
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type alias BAlias = {}
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""", """module Something.C exposing (..)
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c = 1
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""" ]
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|> Review.Test.runOnModulesWithProjectData project rule
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|> Review.Test.expectErrorsForModules
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[ ( "A"
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, [ Review.Test.error
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{ message = """
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<nothing>.localValue -> <nothing>.localValue
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<nothing>.localValueValueToBeShadowed -> <nothing>.localValueValueToBeShadowed
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<nothing>.SomeMsgToBeShadowed -> <nothing>.SomeMsgToBeShadowed
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<nothing>.SomeOtherMsg -> ExposesEverything.SomeOtherMsg
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Something.b -> Something.B.b
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Something.c -> Something.C.c
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Something.BAlias -> Something.B.BAlias
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Something.Bar -> Something.B.Bar
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<nothing>.unknownValue -> <nothing>.unknownValue
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<nothing>.exposedElement -> ExposesSomeThings.exposedElement
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<nothing>.nonExposedElement -> <nothing>.nonExposedElement
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<nothing>.elementFromExposesEverything -> ExposesEverything.elementFromExposesEverything
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<nothing>.VariantA -> ExposesEverything.VariantA
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Foo.bar -> Foo.bar
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Foo.Bar -> Foo.Bar
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Baz.foo -> Bar.foo
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<nothing>.baz -> Bar.baz
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<nothing>.baz -> Bar.baz
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<nothing>.button -> Html.button
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Http.get -> Http.get
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<nothing>.get -> Http.get
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<nothing>.always -> Basics.always
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<nothing>.True -> Basics.True
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<nothing>.Just -> Maybe.Just
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<nothing>.VariantA -> ExposesEverything.VariantA
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ExposesEverything.VariantA -> ExposesEverything.VariantA
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<nothing>.foo -> <nothing>.foo
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Something.B.Bar -> Something.B.Bar
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Something.B.Bar -> Something.B.Bar
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"""
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, details = [ "details" ]
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, under = "module"
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}
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]
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)
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]
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, test "should return the module that defined the type" <|
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\() ->
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let
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rule : Rule
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rule =
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createRule (Rule.withDeclarationEnterVisitor declarationVisitor)
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in
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[ """module A exposing (..)
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import Bar as Baz exposing (baz)
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import ExposesSomeThings exposing (..)
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import ExposesEverything exposing (..)
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import Foo.Bar
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import Html exposing (..)
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import Http exposing (get)
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import Something.B as Something
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type A = B | C
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type Role = NormalUser Bool | Admin (Maybe A)
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type alias User =
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{ role : Role
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, age : ( Msg, Unknown )
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}
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type alias GenericRecord generic = { generic | foo : A }
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a : SomeCustomType -> SomeTypeAlias -> SomeOtherTypeAlias -> NonExposedCustomType
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a = 1
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""", """module ExposesSomeThings exposing (SomeOtherTypeAlias)
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type NonExposedCustomType = Variant
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type alias SomeOtherTypeAlias = {}
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""", """module ExposesEverything exposing (..)
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type SomeCustomType = VariantA | VariantB
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type alias SomeTypeAlias = {}
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type Msg = SomeMsgToBeShadowed | SomeOtherMsg
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""", """module Something.B exposing (..)
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b = 1
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type Foo = Bar
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type alias BAlias = {}
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""" ]
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|> Review.Test.runOnModulesWithProjectData project rule
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|> Review.Test.expectErrorsForModules
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[ ( "A"
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, [ Review.Test.error
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{ message = """
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<nothing>.Bool -> Basics.Bool
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<nothing>.Maybe -> Maybe.Maybe
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<nothing>.A -> <nothing>.A
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<nothing>.Role -> <nothing>.Role
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<nothing>.Msg -> ExposesEverything.Msg
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<nothing>.Unknown -> <nothing>.Unknown
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<nothing>.A -> <nothing>.A
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<nothing>.SomeCustomType -> ExposesEverything.SomeCustomType
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<nothing>.SomeTypeAlias -> ExposesEverything.SomeTypeAlias
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<nothing>.SomeOtherTypeAlias -> ExposesSomeThings.SomeOtherTypeAlias
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<nothing>.NonExposedCustomType -> <nothing>.NonExposedCustomType
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"""
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, details = [ "details" ]
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, under = "module"
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}
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]
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)
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]
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]
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type alias ModuleContext =
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{ lookupTable : ModuleNameLookupTable
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, texts : List String
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}
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project : Project
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project =
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Project.new
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|> Project.addDependency Dependencies.elmCore
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|> Project.addDependency Dependencies.elmHtml
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createRule : (Rule.ModuleRuleSchema {} ModuleContext -> Rule.ModuleRuleSchema { hasAtLeastOneVisitor : () } ModuleContext) -> Rule
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createRule visitor =
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Rule.newModuleRuleSchemaUsingContextCreator "TestRule" contextCreator
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|> visitor
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|> Rule.withFinalModuleEvaluation finalEvaluation
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|> Rule.fromModuleRuleSchema
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contextCreator : Rule.ContextCreator () ModuleContext
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contextCreator =
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Rule.initContextCreator
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(\lookupTable () ->
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{ lookupTable = lookupTable
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, texts = []
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}
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)
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|> Rule.withModuleNameLookupTable
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expressionVisitor : Node Expression -> ModuleContext -> ( List nothing, ModuleContext )
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expressionVisitor node context =
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case Node.value node of
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Expression.FunctionOrValue moduleName name ->
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( [], { context | texts = context.texts ++ [ getRealName context moduleName (Node.range node) name ] } )
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Expression.RecordUpdateExpression (Node range name) _ ->
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( [], { context | texts = context.texts ++ [ getRealName context [] range name ] } )
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Expression.CaseExpression { cases } ->
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let
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texts : List String
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texts =
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List.concatMap (Tuple.first >> collectPatterns context) cases
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in
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( [], { context | texts = context.texts ++ texts } )
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Expression.LetExpression { declarations } ->
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let
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texts : List String
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texts =
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List.concatMap
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(\declaration ->
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case Node.value declaration of
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Expression.LetFunction function ->
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let
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typeAnnotationTexts : List String
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typeAnnotationTexts =
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case function.signature |> Maybe.map (Node.value >> .typeAnnotation) of
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Nothing ->
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[]
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Just typeAnnotation ->
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typeAnnotationNames context typeAnnotation
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signatureTexts : List String
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signatureTexts =
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function.declaration
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|> Node.value
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|> .arguments
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|> List.concatMap (collectPatterns context)
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in
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typeAnnotationTexts ++ signatureTexts
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Expression.LetDestructuring pattern _ ->
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collectPatterns context pattern
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)
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declarations
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in
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( [], { context | texts = context.texts ++ texts } )
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_ ->
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( [], context )
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collectPatterns : ModuleContext -> Node Pattern.Pattern -> List String
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collectPatterns context node =
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case Node.value node of
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Pattern.NamedPattern { moduleName, name } _ ->
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[ getRealName context moduleName (Node.range node) name ]
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Pattern.ParenthesizedPattern subPattern ->
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collectPatterns context subPattern
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Pattern.AsPattern subPattern _ ->
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collectPatterns context subPattern
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_ ->
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Debug.todo "Other patterns in case expressions are not handled"
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getRealName : ModuleContext -> ModuleName -> Range -> String -> String
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getRealName context moduleName range name =
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let
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nameInCode : String
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nameInCode =
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case moduleName of
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[] ->
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"<nothing>." ++ name
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_ ->
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String.join "." moduleName ++ "." ++ name
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resultingName : String
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resultingName =
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case ModuleNameLookupTable.moduleNameAt context.lookupTable range of
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Just [] ->
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"<nothing>." ++ name
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Just moduleName_ ->
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String.join "." moduleName_ ++ "." ++ name
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Nothing ->
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"!!! UNKNOWN !!!"
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in
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nameInCode ++ " -> " ++ resultingName
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declarationVisitor : Node Declaration -> ModuleContext -> ( List nothing, ModuleContext )
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declarationVisitor node context =
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case Node.value node of
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Declaration.CustomTypeDeclaration { constructors } ->
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let
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types : List String
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types =
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constructors
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|> List.concatMap (Node.value >> .arguments)
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|> List.concatMap (typeAnnotationNames context)
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in
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( [], { context | texts = context.texts ++ types } )
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Declaration.AliasDeclaration { typeAnnotation } ->
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( [], { context | texts = context.texts ++ typeAnnotationNames context typeAnnotation } )
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Declaration.FunctionDeclaration function ->
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let
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typeAnnotationTexts : List String
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typeAnnotationTexts =
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case function.signature |> Maybe.map (Node.value >> .typeAnnotation) of
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Nothing ->
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[]
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Just typeAnnotation ->
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typeAnnotationNames context typeAnnotation
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signatureTexts : List String
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signatureTexts =
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function.declaration
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|> Node.value
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|> .arguments
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|> List.concatMap (collectPatterns context)
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in
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( [], { context | texts = context.texts ++ typeAnnotationTexts ++ signatureTexts } )
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_ ->
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( [], context )
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typeAnnotationNames : ModuleContext -> Node TypeAnnotation -> List String
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typeAnnotationNames moduleContext typeAnnotation =
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case Node.value typeAnnotation of
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TypeAnnotation.GenericType name ->
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[ "<nothing>." ++ name ++ " -> <generic>" ]
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TypeAnnotation.Typed (Node typeRange ( moduleName, typeName )) typeParameters ->
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getRealName moduleContext moduleName typeRange typeName
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:: List.concatMap (typeAnnotationNames moduleContext) typeParameters
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TypeAnnotation.Unit ->
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[]
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TypeAnnotation.Tupled typeAnnotations ->
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List.concatMap (typeAnnotationNames moduleContext) typeAnnotations
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TypeAnnotation.Record typeAnnotations ->
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List.concatMap (Node.value >> Tuple.second >> typeAnnotationNames moduleContext) typeAnnotations
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TypeAnnotation.GenericRecord _ typeAnnotations ->
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List.concatMap (Node.value >> Tuple.second >> typeAnnotationNames moduleContext) (Node.value typeAnnotations)
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TypeAnnotation.FunctionTypeAnnotation arg returnType ->
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typeAnnotationNames moduleContext arg ++ typeAnnotationNames moduleContext returnType
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finalEvaluation : ModuleContext -> List (Error {})
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finalEvaluation context =
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if List.isEmpty context.texts then
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[]
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else
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[ Rule.error
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{ message = "\n" ++ String.join "\n" context.texts ++ "\n"
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, details = [ "details" ]
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}
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{ start = { row = 1, column = 1 }
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, end = { row = 1, column = 7 }
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}
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]
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