/// /// import * as gulp from 'gulp'; import * as uglify from 'gulp-uglify'; gulp.task('compress', function() { var tsResult = gulp.src('lib/*.ts') .pipe(uglify()) .pipe(gulp.dest('dist')); }); gulp.task('compress2', function() { var tsResult = gulp.src('lib/*.ts') .pipe(uglify({ mangle: false, preserverComments: "some", compress: false, output: { max_line_len: 300 } })) .pipe(gulp.dest('dist')); });