flow like the river

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

@@ -0,0 +1,63 @@
+"use strict";
+
+exports.__esModule = true;
+
+var _getIterator2 = require("babel-runtime/core-js/get-iterator");
+
+var _getIterator3 = _interopRequireDefault(_getIterator2);
+
+exports.default = function (_ref) {
+  var t = _ref.types;
+
+  function statementList(key, path) {
+    var paths = path.get(key);
+
+    for (var _iterator = paths, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : (0, _getIterator3.default)(_iterator);;) {
+      var _ref2;
+
+      if (_isArray) {
+        if (_i >= _iterator.length) break;
+        _ref2 = _iterator[_i++];
+      } else {
+        _i = _iterator.next();
+        if (_i.done) break;
+        _ref2 = _i.value;
+      }
+
+      var _path = _ref2;
+
+      var func = _path.node;
+      if (!_path.isFunctionDeclaration()) continue;
+
+      var declar = t.variableDeclaration("let", [t.variableDeclarator(func.id, t.toExpression(func))]);
+
+      declar._blockHoist = 2;
+
+      func.id = null;
+
+      _path.replaceWith(declar);
+    }
+  }
+
+  return {
+    visitor: {
+      BlockStatement: function BlockStatement(path) {
+        var node = path.node,
+            parent = path.parent;
+
+        if (t.isFunction(parent, { body: node }) || t.isExportDeclaration(parent)) {
+          return;
+        }
+
+        statementList("body", path);
+      },
+      SwitchCase: function SwitchCase(path) {
+        statementList("consequent", path);
+      }
+    }
+  };
+};
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+module.exports = exports["default"];