Gulp File para compilar os assets no cake

gulpfile.js

var gulp = require('gulp');
var uglify = require('gulp-uglify');
var cssnano = require('gulp-cssnano');
var copy = require('gulp-copy');

gulp.task('minify-js', function () {

    gulp.src('webroot/src/js/**/*.js')
    .pipe(uglify())
    .pipe(gulp.dest('webroot/js'));

});

gulp.task('minify-css', function () {

    gulp.src('webroot/src/css/**/*.css')
    .pipe(cssnano({safe: true}))
    .pipe(gulp.dest('webroot/css'));
});


gulp.task('copy-fonts', function (){

    var options = {prefix: 4};
    gulp.src('webroot/src/css/fontawesome/fonts/**')
    .pipe(copy('webroot/css/fontawesome/fonts/',options));

    gulp.src('webroot/src/css/contextmenu/font/**')
    .pipe(copy('webroot/css/contextmenu/font/',options));

});



gulp.task('copy-img', function (){

    var options = {prefix: 4};
    gulp.src('webroot/src/css/jstree/*.gif')
    .pipe(copy('webroot/css/jstree/',options));

    gulp.src('webroot/src/css/jstree/*.png')
    .pipe(copy('webroot/css/jstree/',options));

});

gulp.task('default', ['minify-js', 'minify-css','copy-fonts','copy-img']);