flow like the river

VISUALIZACION/node_modules/babel-plugin-transform-es2015-arrow-functions/lib/index.js

@@ -0,0 +1,34 @@
+"use strict";
+
+exports.__esModule = true;
+
+exports.default = function (_ref) {
+  var t = _ref.types;
+
+  return {
+    visitor: {
+      ArrowFunctionExpression: function ArrowFunctionExpression(path, state) {
+        if (state.opts.spec) {
+          var node = path.node;
+
+          if (node.shadow) return;
+
+          node.shadow = { this: false };
+          node.type = "FunctionExpression";
+
+          var boundThis = t.thisExpression();
+          boundThis._forceShadow = path;
+
+          path.ensureBlock();
+          path.get("body").unshiftContainer("body", t.expressionStatement(t.callExpression(state.addHelper("newArrowCheck"), [t.thisExpression(), boundThis])));
+
+          path.replaceWith(t.callExpression(t.memberExpression(node, t.identifier("bind")), [t.thisExpression()]));
+        } else {
+          path.arrowFunctionToShadowed();
+        }
+      }
+    }
+  };
+};
+
+module.exports = exports["default"];