gulpfile.js

// Build automation
// Require sudo npm install -g gulp
// For dev, initiate watch by executing either `gulp` or `gulp watch`

var gulp = require('gulp'),
    browserify = require('browserify'),
    source = require('vinyl-source-stream'),
    buffer = require('vinyl-buffer'),
    uglify = require('gulp-uglify-es').default,
    shell = require('gulp-shell'),
    rename = require('gulp-rename'),
    exec = require('child_process').exec;
var babelify = require('babelify');

var path = {
  mainJs: './src/main/js/main_html5.js',
  flashOSMFJs: './src/osmf/js/osmf_flash.js',
  flashAkamaiJs: './src/akamai/js/akamaiHD_flash.js',
  youtubeJs: './src/youtube/js/youtube.js'
};

var main_html5_fn = function() {
  uglify_fn(path.mainJs);
};

var osmf_fn = function() {
  uglify_fn(path.flashOSMFJs);
};

var akamai_fn = function() {
  uglify_fn(path.flashAkamaiJs);
};

var youtube_fn = function() {
  uglify_fn(path.youtubeJs);
};

var uglify_fn = function(srcFile) {
  var transform = [babelify];

  //excluding OSMF from babelify since it has a lot of code
  //that conflicts with strict mode
  if (srcFile.indexOf(path.flashOSMFJs) >= 0) {
    transform = [];
  }
  var b = browserify({
    entries: srcFile,
    debug: false,
    transform: transform
  });

  b.bundle()
    .pipe(source(getFileNameFromPath(srcFile)))
    .pipe(buffer())
    .pipe(gulp.dest('./build/'))
    .pipe(uglify())
    .pipe(rename({
      extname: '.min.js'
    }))
    .pipe(gulp.dest('./build/'));
};

var getFileNameFromPath = function(path) {
  var start = path.lastIndexOf('/') + 1;
  return path.substring(start);
};

// Dependency task
gulp.task('init_module', function(callback) {
  exec("git submodule update --init && cd html5-common && npm install && cd ..", function(err) {
    if (err) return callback(err);
    callback();
  });
});

gulp.task('build_flash_osmf', function(callback) {
  exec("ant -buildfile build_flash.xml -Dbuild=build/classes wrapper", function(err) {
    exec("ant -buildfile build_flash.xml -Dbuild=build/classes build-CC-osmf", function(err) {
      exec("ant -buildfile build_flash.xml -Dbuild=build/classes build-osmf", function(err) {
        if (err) console.log("Error occured in building osmf plugin : " + err);
        else {osmf_fn();}
        exec("ant -buildfile build_flash.xml -Dbuild=build/classes clean-osmf", function(err) {
          if (err) return callback(err);
            callback();
        });
      });
    });
  });
});

gulp.task('build_flash_akamai', function(callback) {
  exec("ant -buildfile build_flash.xml -Dbuild=build/classes wrapper", function(err) {
    exec("ant -buildfile build_flash.xml -Dbuild=build/classes build-CC-akamai", function(err) {
      exec("ant -buildfile build_flash.xml -Dbuild=build/classes build-akamai", function(err) {
        if (err) console.log("Error occured in building akamai plugin : " + err);
        else {akamai_fn();}
          exec("ant -buildfile build_flash.xml -Dbuild=build/classes clean-akamai", function(err) {
            if (err) return callback(err);
              callback();
          });
      });
    });
  });
});

gulp.task('build', ['init_module', 'build_flash_osmf', 'build_flash_akamai'], function() {
  youtube_fn();
  main_html5_fn();
});

gulp.task('test', shell.task(['jest --verbose']));

// Initiate a watch
gulp.task('watch', function() {
  gulp.watch("src/**/*", ['build']);
});

// The default task (called when you run `gulp` from cli)
gulp.task('default', ['build']);

// Generate documentation
gulp.task("docs", shell.task("./node_modules/.bin/jsdoc -c ./jsdoc_conf.json"));