gulpfile.js

/* =========================================================================
 * Dependencies
 * ========================================================================= */
var gulp = require('gulp');
var jshint = require('gulp-jshint');
var uglify = require('gulp-uglify');
var replace = require('gulp-replace');
var watch = require('gulp-watch');
var concat = require('gulp-concat');
var clean = require('gulp-clean');
var karma = require('karma').server;
var exec = require('gulp-exec');
var sh = require('shelljs');
var gulpIf = require('gulp-if');

/* =========================================================================
 * Constants
 * ========================================================================= */
var SRCDIR = 'src';
var BUILDDIR = 'release';
//js
var UGLIFYOPTIONS = {
  //http://davidwalsh.name/compress-uglify
  mangle: true,
  compress: {
    sequences: true,
    dead_code: true,
    conditionals: true,
    booleans: true,
    unused: true,
    if_return: true,
    join_vars: true,
    drop_console: true
  }
};
var UNMINIFIEDSCRIPT = 'tablelist.js';
var MINIFIEDSCRIPT = 'tablelist.min.js';

/* =========================================================================
 * Tasks
 * ========================================================================= */
gulp.task('default', ['release', 'jshint', 'test']);

/**
 * Clean the build directory
 */
gulp.task('clean', function(next) {
  sh.rm('-rf', BUILDDIR);
  next();
});

gulp.task('copy-bower', function(next) {
  sh.cp('bower.json', BUILDDIR + '/');
  next();
});

gulp.task('prepare-release-dir', ['clean'], function(next) {
  sh.mkdir(BUILDDIR);
  next();
});

/**
 * Minify javascript files
 */
gulp.task('js', ['js-dev', 'js-prod']);
gulp.task('js-dev', function() {
  return gulp.src([SRCDIR + '/**/**/*.js'])
    .pipe(concat(UNMINIFIEDSCRIPT))
    .pipe(gulp.dest(BUILDDIR));
});
gulp.task('js-prod', function() {
  return gulp.src([SRCDIR + '/**/**/*.js'])
    .pipe(concat(MINIFIEDSCRIPT))
    .pipe(uglify(MINIFIEDSCRIPT, UGLIFYOPTIONS))
    .pipe(gulp.dest(BUILDDIR));
});

/**
 * Release - creates the release directory with all the necessary files for our Bower package
 **/
gulp.task('release', ['jshint', 'prepare-release-dir', 'js', 'copy-bower']);

/**
 * Js Hint
 */
gulp.task('jshint', function() {
  return gulp.src(['src/**/*.js'])
    .pipe(jshint())
    .pipe(jshint.reporter('jshint-stylish'))
    .pipe(jshint.reporter('fail'));
});

/**
 * Watch
 */
gulp.task('watch', function() {
  watch(SRCDIR + '/**/**/*.*', {
    emit: 'one',
    emitOnGlob: false
  }, function() {
    sh.exec('gulp release');
  });
});

/**
 * Run unit tests - this task is run by Wercker when building our app
 */
gulp.task('test', ['jshint']);

/* =========================================================================
 * Helper Functions
 * ========================================================================= */