Sofe Plugin Middlware

config.js

System.config({
  sofe: {
    manifest: {
      "someInternalService": "http://somelocation.com/service-1.0.0.js"
    },
    manifestUrl: 'https://somelocation.com/available-services.json',
    middleware: {
      preLocate: (load, locate) => {
        
      },
      postLocate: [(url, resolve) => {}, (url, resolve) => {}],
      fetch: [ 
        function (load, fetch) {
          console.log('Sofe Pre-fetch', load.name);
          systemFetch.apply(null, arguments);
        },
        function (load, fetch) {
        	if (load.name.indexOf('css') > -1) {
        		if (!hasWindow) {
        			return Promise.resolve('');
        		}
        
        		return new Promise((resolve) => {
        			System.import('sofe-cssmodules/lib/browserLoader.js')
        				.then((Loader) => {
        					const loader = new Loader.default();
        					return resolve(loader.fetch.call(this, load, systemFetch));
        				});
        		});
        
        	} else {
        		return systemFetch.apply(this, arguments);
        	}
        }
      ]
    }
  }
});