gistfile1.txt

gulp.task('babel', function () {
    return gulp.src(['src/**/*.js*', '!src/**/*.test.js'])
        .pipe(plumber({
            errorHandler: function (err) {
                console.log(err['filename'] || err['name']);
                console.log(err['message']);
                console.log(err['loc']);
                console.log(err['codeFrame'] || err['stack']);
                this.emit('end');
            }
        }))
        .pipe(babel({
            presets: ['babel-preset-es2015', 'react'],
            plugins: [
                'syntax-async-functions',
                'syntax-async-generators',
                'transform-runtime',
                //'transform-es2015-modules-systemjs',
                'transform-es2015-modules-amd'
            ]
        }))
        .pipe(gulp.dest('build'));
});