Adding formatting check to CI (#24)

.travis.yml

@@ -4,7 +4,6 @@ node_js:
   lts/*
 
 before_install:
-  - npm install -g elm@0.19.0-no-deps elm-test@0.19.0-rev6
-
-script: make && make test
+  - npm install -g elm@0.19.0-no-deps elm-test@0.19.0-rev6 elm-format@0.8.1
 
+script: make && make test && make lint

Makefile

@@ -12,3 +12,12 @@ build:
 test:
 	elm make src/library/Todo.elm --output /dev/null # build the library just to test it compiles
 	elm-test
+
+.PHONY: format
+format:
+	elm-format . --yes
+
+
+.PHONY: lint
+lint:
+	elm-format . --validate

src/compiler/Stage/Desugar.elm

@@ -151,6 +151,7 @@ desugarUnit =
     Ok Canonical.Unit
 
 
+
 -- HELPERS
 
 
@@ -159,6 +160,7 @@ desugarUnit =
     -- from
     Frontend.Lambda [ arg1, arg2 ] body
 
+
     -- to
     Canonical.Lambda arg1 (Canonical.Lambda arg2 body)
 

tests/ParserTest.elm

@@ -611,7 +611,6 @@ expr =
                   )
                 ]
               )
-
             ]
         )