text: // very simple compiler
  
  var gulp = require('gulp');
  var uglify = require('gulp-uglify');
  var sourcemaps = require('gulp-sourcemaps');
  var concat = require('gulp-concat');
  
  gulp.task('build', function() {
    return gulp.src(['src/*.js'])
      .pipe(sourcemaps.init())
      .pipe(concat('drag-and-drop.min.js'))
      .pipe(uglify())
      .pipe(sourcemaps.write('./'))
      .pipe(gulp.dest('dst'));
  });
  
  gulp.task('default', ['build']);