Merge pull request #3 from leapfrogtechnology/eslint

Eslint the source

.eslintrc

@@ -0,0 +1,16 @@
+{
+    "parser": "babel-eslint",
+    "rules": {
+        "strict": 0,
+        "quotes": [2, "single"]
+    },
+    "parserOptions": {
+        "ecmaVersion": 6,
+        "sourceType": "module"
+    },
+    "env": {
+        "browser": true,
+        "node": true,
+        "es6": true
+    }
+}

gulpfile.js

@@ -2,26 +2,42 @@
 var gulp = require('gulp');
 var babelify = require('babelify');
 var uglify = require('gulp-uglify');
+var eslint = require('gulp-eslint');
 var rename = require('gulp-rename');
 var browserify = require('browserify');
 var source = require('vinyl-source-stream');
 
-gulp.task('compile', function() {
+// Lint using eslint
+gulp.task('lint', function() {
+    return gulp.src([
+            '**/*.js',
+            '!dist/**',
+            '!coverage/**',
+            '!node_modules/**'
+        ])
+        .pipe(eslint())
+        .pipe(eslint.format())
+        .pipe(eslint.failAfterError());
+});
+
+// Compile ES6
+gulp.task('compile', ['lint'], function() {
     return browserify({ entries: './src/H.js', debug: true })
         .transform(babelify)
         .bundle()
         .pipe(source('h.js'))
         .pipe(gulp.dest('dist'));
 });
 
+// Uglify
 gulp.task('uglify', ['compile'], function() {
-    gulp.src('dist/h.js')
+    return gulp.src('dist/h.js')
         .pipe(rename({suffix: '.min'}))
         .pipe(uglify())
         .pipe(gulp.dest('dist'));
 });
 
-gulp.task('default', ['compile', 'uglify']);
+gulp.task('default', ['lint', 'compile', 'uglify']);
 
 gulp.task('watch', function() {
     gulp.watch('./src/**/*.js', ['default']);

package.json

@@ -7,11 +7,14 @@
     "handlebars": "^4.*"
   },
   "devDependencies": {
+    "babel-eslint": "^5.0.0",
     "babel-preset-es2015": "^6.5.0",
     "babelify": "^7.2.0",
     "browserify": "^13.0.0",
     "browserify-istanbul": "^0.2.1",
+    "eslint": "^2.2.0",
     "gulp": "^3.9.1",
+    "gulp-eslint": "^2.0.0",
     "gulp-rename": "^1.2.2",
     "gulp-uglify": "^1.5.2",
     "isparta": "^4.0.0",