[#76] Modernise project

Resolves #76

.travis.yml

@@ -4,7 +4,7 @@ language: haskell
 git:
   depth: 5
 
-cabal: "head"
+cabal: "3.0"
 
 cache:
   directories:
@@ -17,21 +17,21 @@ matrix:
 
   # Cabal
   - ghc: 8.4.4
-  - ghc: 8.6.3
+  - ghc: 8.6.5
 
   # stack
-  - ghc: 8.6.3
-    env: STACK_YAML="$TRAVIS_BUILD_DIR/stack.yaml"
   - ghc: 8.4.4
     env: STACK_YAML="$TRAVIS_BUILD_DIR/stack-8.4.4.yaml"
+  - ghc: 8.6.5
+    env: STACK_YAML="$TRAVIS_BUILD_DIR/stack.yaml"
 
 install:
   - |
     if [ -z "$STACK_YAML" ]; then
       ghc --version
       cabal --version
-      cabal new-update
-      cabal new-build --enable-tests --enable-benchmarks
+      cabal update
+      cabal build --enable-tests --enable-benchmarks
     else
       # install stack
       curl -sSL https://get.haskellstack.org/ | sh
@@ -44,7 +44,7 @@ install:
 script:
   - |
     if [ -z "$STACK_YAML" ]; then
-      cabal new-test --enable-tests
+      cabal test --enable-tests
     else
       stack test --system-ghc
     fi

CHANGELOG.md

@@ -7,6 +7,8 @@ The changelog is available [on GitHub][2].
 
 * [#72](https://github.com/holmusk/elm-street/issues/72):
   Use consistent encoders and decoders for unary constructors.
+* [#76](https://github.com/holmusk/elm-street/issues/76):
+  Support GHC-8.6.5. Use common stanzas.
 
 ## 0.0.1 — Mar 29, 2019
 

backend/Main.hs

@@ -1,4 +1,4 @@
-module Main where
+module Main (main) where
 
 import Network.Wai.Handler.Warp (run)
 

elm-street.cabal

@@ -1,4 +1,4 @@
-cabal-version:       2.0
+cabal-version:       2.4
 name:                elm-street
 version:             0.0.2.0
 synopsis:            Crossing the road between Haskell and Elm
@@ -11,35 +11,22 @@ homepage:            https://github.com/Holmusk/elm-street
 bug-reports:         https://github.com/Holmusk/elm-street/issues
 license:             MPL-2.0
 license-file:        LICENSE
-author:              Holmusk
-maintainer:          tech@holmusk.com
+author:              Veronika Romashkina, Dmitrii Kovanikov
+maintainer:          Holmusk <tech@holmusk.com>
 copyright:           2019 Holmusk
 category:            Language, Compiler, Elm
 build-type:          Simple
 extra-doc-files:     README.md
                    , CHANGELOG.md
-tested-with:         GHC == 8.4.4, GHC == 8.6.3
+tested-with:         GHC == 8.4.4
+                     GHC == 8.6.5
 
 source-repository head
   type:                git
   location:            https://github.com/Holmusk/elm-street.git
 
-library
-  hs-source-dirs:      src
-  exposed-modules:     Elm
-                         Elm.Aeson
-                         Elm.Ast
-                         Elm.Generate
-                         Elm.Generic
-                         Elm.Print
-
+common common-options
   build-depends:       base >= 4.11.1.0 && < 4.13
-                     , aeson >= 1.3
-                     , directory ^>= 1.3
-                     , filepath ^>= 1.4
-                     , prettyprinter ^>= 1.2.1
-                     , text ^>= 1.2
-                     , time
 
   ghc-options:         -Wall
                        -Wincomplete-uni-patterns
@@ -64,136 +51,72 @@ library
                        StandaloneDeriving
                        TupleSections
                        TypeApplications
+                       TypeOperators
                        ViewPatterns
 
+library
+  import:              common-options
+  hs-source-dirs:      src
+  exposed-modules:     Elm
+                         Elm.Aeson
+                         Elm.Ast
+                         Elm.Generate
+                         Elm.Generic
+                         Elm.Print
+
+  build-depends:       aeson >= 1.3
+                     , directory ^>= 1.3
+                     , filepath ^>= 1.4
+                     , prettyprinter ^>= 1.2.1
+                     , text ^>= 1.2
+                     , time
+
 library types
+  import:              common-options
   hs-source-dirs:      types
   exposed-modules:     Types
 
-  build-depends:       base >= 4.11 && < 4.13
-                     , aeson
+  build-depends:       aeson
                      , elm-street
                      , text
                      , time
 
-  ghc-options:         -Wall
-                       -Wincomplete-uni-patterns
-                       -Wincomplete-record-updates
-                       -Wcompat
-                       -Widentities
-                       -Wredundant-constraints
-                       -fhide-source-paths
-                       -Wmissing-export-lists
-                       -Wpartial-fields
-
-  default-language:    Haskell2010
-  default-extensions:  ConstraintKinds
-                       DeriveGeneric
-                       GeneralizedNewtypeDeriving
-                       InstanceSigs
-                       KindSignatures
-                       LambdaCase
-                       OverloadedStrings
-                       RecordWildCards
-                       ScopedTypeVariables
-                       StandaloneDeriving
-                       TupleSections
-                       TypeApplications
-                       ViewPatterns
-
 executable generate-elm
+  import:              common-options
   hs-source-dirs:      generate-elm
   main-is:             Main.hs
 
-  build-depends:       base
-                     , elm-street
+  build-depends:       elm-street
                      , types
 
-  ghc-options:         -Wall
-                       -threaded
+  ghc-options:         -threaded
                        -rtsopts
                        -with-rtsopts=-N
-                       -Wincomplete-uni-patterns
-                       -Wincomplete-record-updates
-                       -Wcompat
-                       -Widentities
-                       -Wredundant-constraints
-                       -fhide-source-paths
-
-  default-language:    Haskell2010
 
 executable run-backend
+  import:              common-options
   hs-source-dirs:      backend
   main-is:             Main.hs
   other-modules:       Api
 
-  build-depends:       base
-                     , servant >= 0.14 && < 0.17
+  build-depends:       servant >= 0.14 && < 0.17
                      , servant-server >= 0.14 && < 0.17
                      , types
                      , wai ^>= 3.2
                      , warp ^>= 3.2
 
-  ghc-options:         -Wall
-                       -threaded
+  ghc-options:         -threaded
                        -rtsopts
                        -with-rtsopts=-N
-                       -Wincomplete-uni-patterns
-                       -Wincomplete-record-updates
-                       -Wcompat
-                       -Widentities
-                       -Wredundant-constraints
-                       -fhide-source-paths
-
-  default-language:    Haskell2010
-  default-extensions:  ConstraintKinds
-                       DeriveGeneric
-                       GeneralizedNewtypeDeriving
-                       InstanceSigs
-                       KindSignatures
-                       LambdaCase
-                       OverloadedStrings
-                       RecordWildCards
-                       ScopedTypeVariables
-                       StandaloneDeriving
-                       TupleSections
-                       TypeApplications
-                       TypeOperators
-                       ViewPatterns
 
 test-suite elm-street-test
+  import:              common-options
   type:                exitcode-stdio-1.0
   hs-source-dirs:      test
   main-is:             Spec.hs
 
-  build-depends:       base >= 4.11.1.0 && < 4.13
-                     , elm-street
-
+  build-depends:       elm-street
 
-  ghc-options:         -Wall
-                       -threaded
+  ghc-options:         -threaded
                        -rtsopts
                        -with-rtsopts=-N
-                       -Wincomplete-uni-patterns
-                       -Wincomplete-record-updates
-                       -Wcompat
-                       -Widentities
-                       -Wredundant-constraints
-                       -fhide-source-paths
-                       -Wmissing-export-lists
-                       -Wpartial-fields
-
-  default-language:    Haskell2010
-  default-extensions:  ConstraintKinds
-                       DeriveGeneric
-                       GeneralizedNewtypeDeriving
-                       InstanceSigs
-                       KindSignatures
-                       LambdaCase
-                       OverloadedStrings
-                       RecordWildCards
-                       ScopedTypeVariables
-                       StandaloneDeriving
-                       TupleSections
-                       TypeApplications
-                       ViewPatterns

stack-8.4.4.yaml

@@ -1,4 +1 @@
 resolver: lts-12.26
-
-ghc-options:
-  "$locals": -fhide-source-paths

stack.yaml

@@ -1,4 +1,2 @@
-resolver: lts-13.7
+resolver: lts-14.4
 
-ghc-options:
-  "$locals": -fhide-source-paths