gulp-buble 
Compile ES2015 with buble
Issues with the output should be reported on the buble issue tracker.
Install
$ npm i gulp-buble -D
Usage
const gulp = require('gulp');
const buble = require('gulp-buble');
gulp.task('default', function () {
return gulp.src('src/app.js')
.pipe(buble())
.pipe(gulp.dest('dist'));
});
It is possible to pass transforms option as the first argument to buble(), to tansform only some specific features of ES2015. For example:
const gulp = require('gulp');
const buble = require('gulp-buble');
gulp.task('default', function () {
return gulp.src('src/app.js')
.pipe(buble({
transforms: {
arrow: true,
generator: false
}
}))
.pipe(gulp.dest('dist'));
});
For complete list of buble options, please consult buble guide
Source Maps
Use gulp-sourcemaps like this:
const gulp = require('gulp');
const sourcemaps = require('gulp-sourcemaps');
const buble = require('gulp-buble');
const concat = require('gulp-concat');
gulp.task('default', () =>
gulp.src('src/**/*.js')
.pipe(sourcemaps.init())
.pipe(buble())
.pipe(concat('app.js'))
.pipe(sourcemaps.write('.'))
.pipe(gulp.dest('dist'))
);
License
MIT © Bogdan Chadkin