This plugin can be used on: .js files and even on .coffee and .ts files after using the right plugin

Options : all options of the uglify-es package

Sample usage:

malta app/source/index.js public/js -plugins=malta-es-uglify

or in the .json file :

"app/source/index.js" : "public/js -plugins=malta-es-uglify",
...

or in a script :

var Malta = require('malta');
Malta.get().check([
    'app/source/index.js',
    'public/js',
    '-plugins=malta-es-uglify',
    '-options=showPath:false,watchInterval:500,verbose:0'
    ]).start(function (o) {
        var s = this;
        console.log('name : ' + o.name)
        console.log("content : \n" + o.content);
        'plugin' in o && console.log("plugin : " + o.plugin);
        console.log('=========');
    });