modified Travis' definition as in node-red project (#72)

Author: KatsuyaHoshii

.travis.yml

@@ -8,10 +8,10 @@ addons:
 matrix:
   include:
     - node_js: "10"
+      script:
+        - ./node_modules/.bin/grunt && istanbul report text && ( cat coverage/lcov.info | $(npm get prefix)/bin/coveralls || true ) && rm -rf coverage
     - node_js: "8"
     - node_js: "6"
-script:
-  - istanbul cover ./node_modules/.bin/grunt --report lcovonly && istanbul report text && ( cat coverage/lcov.info | $(npm get prefix)/bin/coveralls || true ) && rm -rf coverage
 before_script:
   - docker pull swaggerapi/petstore
   - docker run -d -e SWAGGER_URL=http://petstore.swagger.io -e SWAGGER_BASE_PATH=/v2 -p 80:8080 swaggerapi/petstore

Gruntfile.js

@@ -122,7 +122,7 @@ module.exports = function (grunt) {
             options: {
                 timeout: 10000
             },
-            coverage: {
+            all: {
                 src: [ 'test/**/*_spec.js' ]
             }
         }
@@ -131,6 +131,6 @@ module.exports = function (grunt) {
     grunt.loadNpmTasks('grunt-shell');
     grunt.loadNpmTasks('grunt-simple-mocha');
     grunt.loadNpmTasks('grunt-mocha-istanbul');
-    grunt.registerTask('default', ['shell', 'simplemocha']);
-    grunt.registerTask('coverage', 'Run Istanbul code test coverage task', ['shell', 'mocha_istanbul']);
+    grunt.registerTask('default', ['shell', 'mocha_istanbul:all']);
+    grunt.registerTask('coverage', 'Run Istanbul code test coverage task', ['shell', 'mocha_istanbul:all']);
 };

package.json

@@ -100,5 +100,8 @@
     },
     "bin": {
         "node-red-nodegen": "./bin/node-red-nodegen.js"
+    },
+    "scripts": {
+        "test": "grunt"
     }
 }