Add travis build

Author: javierbrea

.travis.yml

@@ -0,0 +1,31 @@
+language: node_js
+
+node_js:
+  - "10"
+
+cache:
+  directories:
+    - "node_modules"
+    - "$HOME/.sonar/cache"
+
+addons:
+  sonarcloud:
+    organization: "javierbrea"
+    token:
+      secure: "$SONAR_TOKEN"
+    branch:
+      name: "$TRAVIS_CURRENT_BRANCH"
+
+script:
+  - npm run lint
+  - npm run test-ci
+  - npm run coveralls
+  - 'if [ "$TRAVIS_PULL_REQUEST" = "false" ]; then sonar-scanner; fi'
+
+deploy:
+  provider: npm
+  email: "devops@xbyorange.com"
+  api_key: "$NPM_TOKEN"
+  on:
+    tags: true
+  skip_cleanup: true