laravel-elixir-imagemin - minify images

elixir-extensions.js

var gulp = require('gulp');
var Elixir = require('laravel-elixir');
var changed = require('gulp-changed');
var imagemin = require('gulp-imagemin');
var pngquant = require('imagemin-pngquant');

var Task = Elixir.Task;

Elixir.extend('images', function (src, output) {
    new Task('images', function () {
        return gulp.src(src)
            .pipe(changed(output))
            .pipe(imagemin({
                progressive: true,
                svgoPlugins: [
                    {cleanupIDs: false},
                    {cleanupNumericValues: false},
                    {convertShapeToPath: false},
                    {mergePaths: false},
                    {removeUnknownsAndDefaults: false},
                    {removeViewBox: false},
                ],
                use: [pngquant()]
            }))
            .pipe(gulp.dest(output))
            .pipe(new Elixir.Notification('Images Minified!'));
    })
        .watch(src);
});