/**
 * Created by lisheng on 15/6/21.
 */

var gulp = require('gulp');
var babel = require('gulp-babel');

gulp.task('babel', function () {
    return gulp.src('index.js')
        .pipe(babel())
        .pipe(gulp.dest('dist'));
});


gulp.task('watch', function() {
    gulp.watch('index.js', ['babel']);

});

这是我的配置文件。手动触发 gulp babel是可以的