{

  "desktop" : {

    "src" : [

      "dev/desktop/js/**/*.js",

      "!dev/desktop/js/vendor/**"

    ],

    "dest" : "build/desktop/js"

  },

  "mobile" : {

    "src" : [

      "dev/mobile/js/**/*.js",

      "!dev/mobile/js/vendor/**"

    ],

    "dest" : "build/mobile/js"

  }

}

// npm install --save-dev gulp gulp-uglify

var gulp = require('gulp');

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

var config = require('./config.json');

function doStuff(cfg) {

  return gulp.src(cfg.src)

    .pipe(uglify())

    .pipe(gulp.dest(cfg.dest));

}

gulp.task('dry', function() {

  doStuff(config.desktop);

  doStuff(config.mobile);

});