ci(travis): add build stages (#1467)

Author: michael-ciniawsky

.gitignore

@@ -1,7 +1,11 @@
+.DS_Store
+
 npm-debug.log
+
+.idea
+.nyc_output
+
+client
+coverage
+ssl/*.pem
 node_modules
-/client
-/coverage
-/ssl/*.pem
-.idea/
-.DS_Store

.travis.yml

@@ -1,19 +1,38 @@
-sudo: false
-branches:
-  only:
-    - master
+language: node_js
 
-language:
-  node_js
+jobs:
+  fast_finish: true
+  include:
+    - stage: Lint
+      env: SCRIPT=lint
+      node_js: 'stable'
+    - &linux
+      stage: Test (Linux)
+      env: SCRIPT=test
+      node_js: 'stable'
+    - <<: *linux
+      node_js: 'lts/*'
+    - <<: *linux
+      node_js: 6
+    - &osx
+      stage: Test (MacOS)
+      os: 'osx'
+      env: SCRIPT=test
+      node_js: 'stable'
+    - <<: *osx
+      node_js: 'lts/*'
+    - <<: *osx
+      node_js: 6
 
-node_js:
-  - '8'
-  - '6'
+install:
+  - npm i -g npm@latest
+  - npm i
 
-script:
-  npm run ci
+script: npm run $SCRIPT
 
 after_success:
-  - npm i -g codecov
-  - cat ./coverage/coverage.json | codecov
-  - rm -rf ./coverage
+  - npm i codecov
+  - $(npm bin)/codecov
+
+notifications:
+  email: false