var gulp = require('gulp');
var pngmin = require('gulp-pngmin');
 
// Basic usage
gulp.task('pngmin', function() {
  gulp.src('src/images/**/*.png')
    .pipe(pngmin())
    .pipe(gulp.dest('dist/images'));
});

var gulp = require('gulp');
var pngmin = require('gulp-pngmin');
gulp.task('pngmin', function() {
  gulp.src('src/images/**/*.png')
    .pipe(pngmin([192]))
    .pipe(gulp.dest('dist/images'));
});