ft/aurelia_project/tasks/process-markup.js

import gulp from 'gulp';
import htmlmin from 'gulp-htmlmin';
import changedInPlace from 'gulp-changed-in-place';
import project from '../aurelia.json';
import {build} from 'aurelia-cli';
import lintMarkup from './lint-markup';

export default function processMarkup() {
  return gulp.src(project.markupProcessor.source)
    .pipe(lintMarkup())
    .pipe(changedInPlace({firstPass: true}))
    .pipe(htmlmin({
      removeComments: true,
      collapseWhitespace: true,
      conservativeCollapse: true,
      minifyCSS: true,
      minifyJS: true
    }))
    .pipe(build.bundle());
}