node_modules

1 files changed, 24 insertions, 6 deletions

diff --git a/node_modules/babel-traverse/lib/scope/index.js b/node_modules/babel-traverse/lib/scope/index.js
index a1146e3ab..36cfb3429 100644
--- a/node_modules/babel-traverse/lib/scope/index.js
+++ b/node_modules/babel-traverse/lib/scope/index.js
@@ -10,6 +10,10 @@ var _create = require("babel-runtime/core-js/object/create");
 
 var _create2 = _interopRequireDefault(_create);
 
+var _map = require("babel-runtime/core-js/map");
+
+var _map2 = _interopRequireDefault(_map);
+
 var _classCallCheck2 = require("babel-runtime/helpers/classCallCheck");
 
 var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);
@@ -234,6 +238,8 @@ var Scope = function () {
     this.parentBlock = path.parent;
     this.block = path.node;
     this.path = path;
+
+    this.labels = new _map2.default();
   }
 
   Scope.prototype.traverse = function traverse(node, opts, state) {
@@ -241,7 +247,7 @@ var Scope = function () {
   };
 
   Scope.prototype.generateDeclaredUidIdentifier = function generateDeclaredUidIdentifier() {
-    var name = arguments.length <= 0 || arguments[0] === undefined ? "temp" : arguments[0];
+    var name = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : "temp";
 
     var id = this.generateUidIdentifier(name);
     this.push({ id: id });
@@ -249,13 +255,13 @@ var Scope = function () {
   };
 
   Scope.prototype.generateUidIdentifier = function generateUidIdentifier() {
-    var name = arguments.length <= 0 || arguments[0] === undefined ? "temp" : arguments[0];
+    var name = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : "temp";
 
     return t.identifier(this.generateUid(name));
   };
 
   Scope.prototype.generateUid = function generateUid() {
-    var name = arguments.length <= 0 || arguments[0] === undefined ? "temp" : arguments[0];
+    var name = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : "temp";
 
     name = t.toIdentifier(name).replace(/^_+/, "").replace(/[0-9]+$/g, "");
 
@@ -264,7 +270,7 @@ var Scope = function () {
     do {
       uid = this._generateUid(name, i);
       i++;
-    } while (this.hasBinding(uid) || this.hasGlobal(uid) || this.hasReference(uid));
+    } while (this.hasLabel(uid) || this.hasBinding(uid) || this.hasGlobal(uid) || this.hasReference(uid));
 
     var program = this.getProgramParent();
     program.references[uid] = true;
@@ -459,9 +465,21 @@ var Scope = function () {
     return t.callExpression(file.addHelper(helperName), args);
   };
 
+  Scope.prototype.hasLabel = function hasLabel(name) {
+    return !!this.getLabel(name);
+  };
+
+  Scope.prototype.getLabel = function getLabel(name) {
+    return this.labels.get(name);
+  };
+
+  Scope.prototype.registerLabel = function registerLabel(path) {
+    this.labels.set(path.node.label.name, path);
+  };
+
   Scope.prototype.registerDeclaration = function registerDeclaration(path) {
     if (path.isLabeledStatement()) {
-      this.registerBinding("label", path);
+      this.registerLabel(path);
     } else if (path.isFunctionDeclaration()) {
       this.registerBinding("hoisted", path.get("id"), path);
     } else if (path.isVariableDeclaration()) {
@@ -529,7 +547,7 @@ var Scope = function () {
   };
 
   Scope.prototype.registerBinding = function registerBinding(kind, path) {
-    var bindingPath = arguments.length <= 2 || arguments[2] === undefined ? path : arguments[2];
+    var bindingPath = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : path;
 
     if (!kind) throw new ReferenceError("no `kind`");