gulpfile.js

var gulp   = require("gulp"),
    babel  = require("gulp-babel"),
    karma  = require('karma').server,
    rename = require("gulp-rename"),
    watch  = require("gulp-watch"),
    color  = require("colors");



/**
 * Compile ES6 to ES5 with Babel.js
 */
gulp.task("babel", function () {
    watch('src/smacss.es6.js', function () {
        console.log("Compiling " + "smacss.es6.js".green)
        gulp.src("src/smacss.es6.js")
            .pipe(babel()) 
            .pipe(rename("smacss.js"))
            .pipe(gulp.dest("dist"));
    });
});


/**
 * Run test once and exit
 */
gulp.task('test', function (done) {
    karma.start({
        configFile: __dirname + '/test/run.js',
        singleRun: true
    }, done);
});


/**
 * Watch for file changes and re-run tests on each change
 */
gulp.task('tdd', function (done) {
    karma.start({
        configFile: __dirname + '/test/run.js',
    }, done);
});