1 files changed, 118 insertions, 0 deletions
diff --git a/chromium/third_party/node/node_modules/@babel/traverse/lib/index.js b/chromium/third_party/node/node_modules/@babel/traverse/lib/index.js
new file mode 100644
index 00000000000..aa4616c9f63
--- /dev/null
+++ b/chromium/third_party/node/node_modules/@babel/traverse/lib/index.js
@@ -0,0 +1,118 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+Object.defineProperty(exports, "NodePath", {
+  enumerable: true,
+  get: function () {
+    return _path.default;
+  }
+});
+Object.defineProperty(exports, "Scope", {
+  enumerable: true,
+  get: function () {
+    return _scope.default;
+  }
+});
+Object.defineProperty(exports, "Hub", {
+  enumerable: true,
+  get: function () {
+    return _hub.default;
+  }
+});
+exports.visitors = exports.default = void 0;
+
+var _context = require("./context");
+
+var visitors = require("./visitors");
+
+exports.visitors = visitors;
+
+var _t = require("@babel/types");
+
+var cache = require("./cache");
+
+var _path = require("./path");
+
+var _scope = require("./scope");
+
+var _hub = require("./hub");
+
+const {
+  VISITOR_KEYS,
+  removeProperties,
+  traverseFast
+} = _t;
+
+function traverse(parent, opts = {}, scope, state, parentPath) {
+  if (!parent) return;
+
+  if (!opts.noScope && !scope) {
+    if (parent.type !== "Program" && parent.type !== "File") {
+      throw new Error("You must pass a scope and parentPath unless traversing a Program/File. " + `Instead of that you tried to traverse a ${parent.type} node without ` + "passing scope and parentPath.");
+    }
+  }
+
+  if (!VISITOR_KEYS[parent.type]) {
+    return;
+  }
+
+  visitors.explode(opts);
+  traverse.node(parent, opts, scope, state, parentPath);
+}
+
+var _default = traverse;
+exports.default = _default;
+traverse.visitors = visitors;
+traverse.verify = visitors.verify;
+traverse.explode = visitors.explode;
+
+traverse.cheap = function (node, enter) {
+  return traverseFast(node, enter);
+};
+
+traverse.node = function (node, opts, scope, state, parentPath, skipKeys) {
+  const keys = VISITOR_KEYS[node.type];
+  if (!keys) return;
+  const context = new _context.default(scope, opts, state, parentPath);
+
+  for (const key of keys) {
+    if (skipKeys && skipKeys[key]) continue;
+    if (context.visit(node, key)) return;
+  }
+};
+
+traverse.clearNode = function (node, opts) {
+  removeProperties(node, opts);
+  cache.path.delete(node);
+};
+
+traverse.removeProperties = function (tree, opts) {
+  traverseFast(tree, traverse.clearNode, opts);
+  return tree;
+};
+
+function hasDenylistedType(path, state) {
+  if (path.node.type === state.type) {
+    state.has = true;
+    path.stop();
+  }
+}
+
+traverse.hasType = function (tree, type, denylistTypes) {
+  if (denylistTypes != null && denylistTypes.includes(tree.type)) return false;
+  if (tree.type === type) return true;
+  const state = {
+    has: false,
+    type: type
+  };
+  traverse(tree, {
+    noScope: true,
+    denylist: denylistTypes,
+    enter: hasDenylistedType
+  }, null, state);
+  return state.has;
+};
+
+traverse.cache = cache;
+\ No newline at end of file