1 files changed, 230 insertions, 0 deletions

diff --git a/chromium/third_party/node/node_modules/@babel/traverse/lib/path/lib/virtual-types.js b/chromium/third_party/node/node_modules/@babel/traverse/lib/path/lib/virtual-types.js
new file mode 100644
index 00000000000..7dbda0b7ad8
--- /dev/null
+++ b/chromium/third_party/node/node_modules/@babel/traverse/lib/path/lib/virtual-types.js
@@ -0,0 +1,230 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.ForAwaitStatement = exports.NumericLiteralTypeAnnotation = exports.ExistentialTypeParam = exports.SpreadProperty = exports.RestProperty = exports.Flow = exports.Pure = exports.Generated = exports.User = exports.Var = exports.BlockScoped = exports.Referenced = exports.Scope = exports.Expression = exports.Statement = exports.BindingIdentifier = exports.ReferencedMemberExpression = exports.ReferencedIdentifier = void 0;
+
+var _t = require("@babel/types");
+
+const {
+  isBinding,
+  isBlockScoped,
+  isExportDeclaration,
+  isExpression,
+  isFlow,
+  isForStatement,
+  isForXStatement,
+  isIdentifier,
+  isImportDeclaration,
+  isImportSpecifier,
+  isJSXIdentifier,
+  isJSXMemberExpression,
+  isMemberExpression,
+  isReferenced,
+  isScope,
+  isStatement,
+  isVar,
+  isVariableDeclaration,
+  react
+} = _t;
+const {
+  isCompatTag
+} = react;
+const ReferencedIdentifier = {
+  types: ["Identifier", "JSXIdentifier"],
+
+  checkPath(path, opts) {
+    const {
+      node,
+      parent
+    } = path;
+
+    if (!isIdentifier(node, opts) && !isJSXMemberExpression(parent, opts)) {
+      if (isJSXIdentifier(node, opts)) {
+        if (isCompatTag(node.name)) return false;
+      } else {
+        return false;
+      }
+    }
+
+    return isReferenced(node, parent, path.parentPath.parent);
+  }
+
+};
+exports.ReferencedIdentifier = ReferencedIdentifier;
+const ReferencedMemberExpression = {
+  types: ["MemberExpression"],
+
+  checkPath({
+    node,
+    parent
+  }) {
+    return isMemberExpression(node) && isReferenced(node, parent);
+  }
+
+};
+exports.ReferencedMemberExpression = ReferencedMemberExpression;
+const BindingIdentifier = {
+  types: ["Identifier"],
+
+  checkPath(path) {
+    const {
+      node,
+      parent
+    } = path;
+    const grandparent = path.parentPath.parent;
+    return isIdentifier(node) && isBinding(node, parent, grandparent);
+  }
+
+};
+exports.BindingIdentifier = BindingIdentifier;
+const Statement = {
+  types: ["Statement"],
+
+  checkPath({
+    node,
+    parent
+  }) {
+    if (isStatement(node)) {
+      if (isVariableDeclaration(node)) {
+        if (isForXStatement(parent, {
+          left: node
+        })) return false;
+        if (isForStatement(parent, {
+          init: node
+        })) return false;
+      }
+
+      return true;
+    } else {
+      return false;
+    }
+  }
+
+};
+exports.Statement = Statement;
+const Expression = {
+  types: ["Expression"],
+
+  checkPath(path) {
+    if (path.isIdentifier()) {
+      return path.isReferencedIdentifier();
+    } else {
+      return isExpression(path.node);
+    }
+  }
+
+};
+exports.Expression = Expression;
+const Scope = {
+  types: ["Scopable", "Pattern"],
+
+  checkPath(path) {
+    return isScope(path.node, path.parent);
+  }
+
+};
+exports.Scope = Scope;
+const Referenced = {
+  checkPath(path) {
+    return isReferenced(path.node, path.parent);
+  }
+
+};
+exports.Referenced = Referenced;
+const BlockScoped = {
+  checkPath(path) {
+    return isBlockScoped(path.node);
+  }
+
+};
+exports.BlockScoped = BlockScoped;
+const Var = {
+  types: ["VariableDeclaration"],
+
+  checkPath(path) {
+    return isVar(path.node);
+  }
+
+};
+exports.Var = Var;
+const User = {
+  checkPath(path) {
+    return path.node && !!path.node.loc;
+  }
+
+};
+exports.User = User;
+const Generated = {
+  checkPath(path) {
+    return !path.isUser();
+  }
+
+};
+exports.Generated = Generated;
+const Pure = {
+  checkPath(path, opts) {
+    return path.scope.isPure(path.node, opts);
+  }
+
+};
+exports.Pure = Pure;
+const Flow = {
+  types: ["Flow", "ImportDeclaration", "ExportDeclaration", "ImportSpecifier"],
+
+  checkPath({
+    node
+  }) {
+    if (isFlow(node)) {
+      return true;
+    } else if (isImportDeclaration(node)) {
+      return node.importKind === "type" || node.importKind === "typeof";
+    } else if (isExportDeclaration(node)) {
+      return node.exportKind === "type";
+    } else if (isImportSpecifier(node)) {
+      return node.importKind === "type" || node.importKind === "typeof";
+    } else {
+      return false;
+    }
+  }
+
+};
+exports.Flow = Flow;
+const RestProperty = {
+  types: ["RestElement"],
+
+  checkPath(path) {
+    return path.parentPath && path.parentPath.isObjectPattern();
+  }
+
+};
+exports.RestProperty = RestProperty;
+const SpreadProperty = {
+  types: ["RestElement"],
+
+  checkPath(path) {
+    return path.parentPath && path.parentPath.isObjectExpression();
+  }
+
+};
+exports.SpreadProperty = SpreadProperty;
+const ExistentialTypeParam = {
+  types: ["ExistsTypeAnnotation"]
+};
+exports.ExistentialTypeParam = ExistentialTypeParam;
+const NumericLiteralTypeAnnotation = {
+  types: ["NumberLiteralTypeAnnotation"]
+};
+exports.NumericLiteralTypeAnnotation = NumericLiteralTypeAnnotation;
+const ForAwaitStatement = {
+  types: ["ForOfStatement"],
+
+  checkPath({
+    node
+  }) {
+    return node.await === true;
+  }
+
+};
+exports.ForAwaitStatement = ForAwaitStatement;
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