const path = require('path');
const join = path.join;
const relative = path.relative;
const gulp = require('gulp');
const cmd = require('@nuintun/gulp-cmd');
const alias = {
  'css-loader': 'util/css-loader/1.0.0/css-loader'
};

// Fixed css resource path
function onpath(path, property, file, wwwroot) {
  if (/^[^./\\]/.test(path)) {
    path = './' + path;
  }

  if (path.indexOf('.') === 0) {
    path = join(dirname(file), path);
    path = relative(wwwroot, path);
    path = '/' + path;
    path = path.replace(/\\+/g, '/');
  }

  path = path.replace('assets/', 'online/');

  return path;
}

// Task
gulp.task('default', function() {
  gulp
    .src('assets/js/**/*.js', { base: 'assets/js' })
    .pipe(
      cmd({
        alias: alias,
        base: '/assets/js',
        ignore: ['jquery'],
        css: { onpath: onpath }
      })
    )
    .pipe(gulp.dest('online/js'));
});