1 files changed, 64 insertions, 0 deletions
diff --git a/tools/node_modules/babel-eslint/node_modules/@babel/types/lib/traverse/traverse.js b/tools/node_modules/babel-eslint/node_modules/@babel/types/lib/traverse/traverse.js
new file mode 100644
index 0000000000..b51ed99de0
--- /dev/null
+++ b/tools/node_modules/babel-eslint/node_modules/@babel/types/lib/traverse/traverse.js
@@ -0,0 +1,64 @@
+"use strict";
+
+exports.__esModule = true;
+exports.default = traverse;
+
+var _definitions = require("../definitions");
+
+function traverse(node, handlers, state) {
+  if (typeof handlers === "function") {
+    handlers = {
+      enter: handlers
+    };
+  }
+
+  var _ref = handlers,
+      enter = _ref.enter,
+      exit = _ref.exit;
+  traverseSimpleImpl(node, enter, exit, state, []);
+}
+
+function traverseSimpleImpl(node, enter, exit, state, ancestors) {
+  var keys = _definitions.VISITOR_KEYS[node.type];
+  if (!keys) return;
+  if (enter) enter(node, ancestors, state);
+
+  for (var _iterator = keys, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.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 _key2 = _ref2;
+    var subNode = node[_key2];
+
+    if (Array.isArray(subNode)) {
+      for (var i = 0; i < subNode.length; i++) {
+        var child = subNode[i];
+        if (!child) continue;
+        ancestors.push({
+          node: node,
+          key: _key2,
+          index: i
+        });
+        traverseSimpleImpl(child, enter, exit, state, ancestors);
+        ancestors.pop();
+      }
+    } else if (subNode) {
+      ancestors.push({
+        node: node,
+        key: _key2
+      });
+      traverseSimpleImpl(subNode, enter, exit, state, ancestors);
+      ancestors.pop();
+    }
+  }
+
+  if (exit) exit(node, ancestors, state);
+}
+\ No newline at end of file