var gulp = require('gulp');
var sourcemaps = require('gulp-sourcemaps');
var coffee = require('gulp-coffee');
var insert = require('gulp-insert');
var uglify = require('gulp-uglify-es').default;
var concat = require('gulp-concat');

var paths = {
  scripts: 'client/scripts/**/*.coffee',
  images: 'client/img/**/*'
};

gulp.task('js', function(){
  return gulp.src(paths.scripts)
    .pipe(sourcemaps.init())
      .pipe(concat('app.min.js'))
      .pipe(coffee({bare: true}))
      .pipe(insert.transform(function(contents, file) {
        return '$(function () {' + contents + '});';
      }))
      .pipe(uglify())
    .pipe(sourcemaps.write())
    .pipe(gulp.dest('static'))
});

gulp.task('default', [ 'js' ]);