Merge pull request #954 from ngbinh/scala.js-uses-nodejs

Switch to use nodeJsEnv as default jsEnv to build scala.js

.travis.yml

@@ -10,6 +10,10 @@ scala:
 script:
   - scripts/travis-publish.sh
 
+# http://austinpray.com/ops/2015/09/20/change-travis-node-version.html
+install:
+  - rm -rf ~/.nvm && git clone https://github.com/creationix/nvm.git ~/.nvm && (cd ~/.nvm && git checkout `git describe --abbrev=0 --tags`) && source ~/.nvm/nvm.sh && nvm install $TRAVIS_NODE_VERSION
+
 notifications:
   webhooks:
     urls:
@@ -21,12 +25,16 @@ env:
   global:
   - secure: Kf44XQFpq2QGe3rn98Dsf5Uz3WXzPDralS54co7sqT5oQGs1mYLYZRYz+I75ZSo5ffZ86H7M+AI9YFofqGwAjBixBbqf1tGkUh3oZp2fN3QfqzazGV3HzC+o41zALG5FL+UBaURev9ChQ5fYeTtFB7YAzejHz4y5E97awk934Rg=
   - secure: QbNAu0jCaKrwjJi7KZtYEBA/pYbTJ91Y1x/eLAJpsamswVOvwnThA/TLYuux+oiZQCiDUpBzP3oxksIrEEUAhl0lMtqRFY3MrcUr+si9NIjX8hmoFwkvZ5o1b7pmLF6Vz3rQeP/EWMLcljLzEwsrRXeK0Ei2E4vFpsg8yz1YXJg=
+  - TRAVIS_NODE_VERSION="4"
+  - CATS_BOT_BUILD=true
 cache:
   directories:
   - $HOME/.sbt/0.13/dependency
   - $HOME/.sbt/boot/scala*
   - $HOME/.sbt/launchers
   - $HOME/.ivy2/cache
+  - $HOME/.nvm
+
 before_cache:
   - du -h -d 1 $HOME/.ivy2/cache
   - du -h -d 2 $HOME/.sbt/

build.sbt

@@ -5,6 +5,8 @@ import sbtunidoc.Plugin.UnidocKeys._
 import ReleaseTransformations._
 import ScoverageSbtPlugin._
 
+lazy val botBuild = settingKey[Boolean]("Build by TravisCI instead of local dev environment")
+
 lazy val scoverageSettings = Seq(
   ScoverageKeys.coverageMinimum := 60,
   ScoverageKeys.coverageFailOnMinimum := false,
@@ -55,7 +57,15 @@ lazy val commonJsSettings = Seq(
     s"-P:scalajs:mapSourceURI:$a->$g/"
   },
   scalaJSStage in Global := FastOptStage,
-  parallelExecution := false
+  parallelExecution := false,
+  // Using Rhino as jsEnv to build scala.js code can lead to OOM, switch to PhantomJS by default
+  scalaJSUseRhino := false,
+  requiresDOM := false,
+  jsEnv := NodeJSEnv().value,
+  // Only used for scala.js for now
+  botBuild := sys.props.getOrElse("CATS_BOT_BUILD", default="false") == "true",
+  // batch mode decreases the amount of memory needed to compile scala.js code
+  scalaJSOptimizerOptions := scalaJSOptimizerOptions.value.withBatchMode(botBuild.value)
 )
 
 lazy val commonJvmSettings = Seq(