Enable Sonarcloud

.travis.yml

@@ -1,8 +1,12 @@
 language: node_js
 sudo: false
 node_js:
-  - '6'
-  - '7'
   - '8'
-script: "make"
+  - '9'
+script:
+  - make
+  - sonar-scanner
 after_success: "make coveralls"
+addons:
+  sonarcloud:
+    organization: "felipernb-github"

sonar-project.properties

@@ -0,0 +1,12 @@
+# must be unique in a given SonarQube instance
+sonar.projectKey=algorithmsjs
+# this is the name and version displayed in the SonarQube UI. Was mandatory prior to SonarQube 6.1.
+sonar.projectName=algorithms.js
+sonar.projectVersion=0.11.0
+
+# Path is relative to the sonar-project.properties file. Replace "\" by "/" on Windows.
+# This property is optional if sonar.modules is set. 
+sonar.sources=.
+
+# Encoding of the source code. Default is default system encoding
+#sonar.sourceEncoding=UTF-8