gulpfile.js

var gulp = require('gulp');
var jshint = require('gulp-jshint');
var jasmine = require('gulp-jasmine');

// *******************************************


gulp.task('jshint', function(){
    return gulp.src(['src/**/*.js', 'tests/**/*.js'])
        .pipe(jshint())
        .pipe(jshint.reporter('jshint-stylish'));
});

gulp.task('jasmine', function () {
    return gulp.src('src/tests/**/*.js')
        // gulp-jasmine works on filepaths so you can't have any plugins before it
        .pipe(jasmine());
});

gulp.task('test', ['jasmine', 'jshint']);

// ***************************************

gulp.task('watch', function () {
    gulp.watch('src/**/*.js', ['test']);
});

// *******************************************

gulp.task('default', ['test', 'watch']);