flow like the river

VISUALIZACION/node_modules/parcel-bundler/lib/builtins/loaders/node/js-loader.js

@@ -0,0 +1,20 @@
+var fs = require('fs');
+
+module.exports = function loadJSBundle(bundle) {
+  return new Promise(function(resolve, reject) {
+    fs.readFile(__dirname + bundle, 'utf8', function(err, data) {
+      if (err) {
+        reject(err);
+      } else {
+        // wait for the next event loop iteration, so we are sure
+        // the current module is fully loaded
+        setImmediate(function() {
+          resolve(data);
+        });
+      }
+    });
+  })
+  .then(function(code) {
+    new Function('', code)();
+  });
+};