js gulp task modified for qa environment

jsTask.js

gulp.task('js', () =>
  gulp.src(localConfig.src)
    .pipe(gulpif(globalConfig.development(), eslint()))
    .pipe(gulpif(globalConfig.development(), eslint.format()))
    .pipe(gulpif(globalConfig.development(), sourcemaps.init()))
      .pipe(babel())
      .pipe(gulpif(globalConfig.production() || globalConfig.qa(), concat(localConfig.buildFileName)))
      .pipe(gulpif(globalConfig.production(), uglify()))
    .pipe(gulpif(globalConfig.development(), sourcemaps.write()))
    .pipe(gulp.dest(localConfig.dest))
);