build/tasks/serve.js
var gulp = require('gulp'),
browserSync = require('browser-sync');
gulp.task('serve', ['build'], function(done) {
browserSync({
open: false,
port: 9000,
server: {
baseDir: ['.'],
middleware: function (req, res, next) {
res.setHeader('Access-Control-Allow-Origin', '*');
next();
}
}
}, done);
});