flow like the river

VISUALIZACION/node_modules/regenerator-transform/lib/util.js

@@ -0,0 +1,36 @@
+"use strict";
+
+exports.__esModule = true;
+exports.runtimeProperty = runtimeProperty;
+exports.isReference = isReference;
+exports.replaceWithOrRemove = replaceWithOrRemove;
+
+var _babelTypes = require("babel-types");
+
+var t = _interopRequireWildcard(_babelTypes);
+
+function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
+
+function runtimeProperty(name) {
+  return t.memberExpression(t.identifier("regeneratorRuntime"), t.identifier(name), false);
+} /**
+   * Copyright (c) 2014, Facebook, Inc.
+   * All rights reserved.
+   *
+   * This source code is licensed under the BSD-style license found in the
+   * https://raw.github.com/facebook/regenerator/master/LICENSE file. An
+   * additional grant of patent rights can be found in the PATENTS file in
+   * the same directory.
+   */
+
+function isReference(path) {
+  return path.isReferenced() || path.parentPath.isAssignmentExpression({ left: path.node });
+}
+
+function replaceWithOrRemove(path, replacement) {
+  if (replacement) {
+    path.replaceWith(replacement);
+  } else {
+    path.remove();
+  }
+}