Update Travis file and npm dev dependencies (#91)

* Update Travis file and npm dev dependencies

* Correct Travis file

* Add test command

* Update gitignore and remove lockfiles

.gitignore

@@ -1,10 +1,21 @@
 /.*
 !/.gitignore
 !/.github
+!/.travis.yml
+
+# Dependencies
+bower_components
+node_modules
+
+# Generated files
+output
+generated-docs
+
+# Lockfiles
+package-lock.json
+*.lock
+
+# Extra files
 !/.jscsrc
 !/.jshintrc
-!/.travis.yml
-/bower_components/
-/generated-docs/
-/node_modules/
-/output/
+!/.eslintc.json

.travis.yml

@@ -2,14 +2,22 @@ language: node_js
 dist: trusty
 sudo: required
 node_js: stable
+env:
+  - PATH=$HOME/purescript:$PATH
 install:
+  - TAG=$(basename $(curl --location --silent --output /dev/null -w %{url_effective} https://github.com/purescript/purescript/releases/latest))
+  - curl --location --output $HOME/purescript.tar.gz https://github.com/purescript/purescript/releases/download/$TAG/linux64.tar.gz
+  - tar -xvf $HOME/purescript.tar.gz -C $HOME/
+  - chmod a+x $HOME/purescript
   - npm install -g bower
   - npm install
-  - bower install
+  - bower install --production
 script:
   - npm run -s build
+  - bower install
+  - npm run -s test
 after_success:
-- >-
-  test $TRAVIS_TAG &&
-  echo $GITHUB_TOKEN | pulp login &&
-  echo y | pulp publish --no-push
+  - >-
+    test $TRAVIS_TAG &&
+    echo $GITHUB_TOKEN | pulp login &&
+    echo y | pulp publish --no-push