1 files changed, 99 insertions, 0 deletions
diff --git a/tools/node_modules/babel-eslint/node_modules/@babel/types/lib/validators/isReferenced.js b/tools/node_modules/babel-eslint/node_modules/@babel/types/lib/validators/isReferenced.js
new file mode 100644
index 0000000000..5bb68b4ad4
--- /dev/null
+++ b/tools/node_modules/babel-eslint/node_modules/@babel/types/lib/validators/isReferenced.js
@@ -0,0 +1,99 @@
+"use strict";
+
+exports.__esModule = true;
+exports.default = isReferenced;
+
+function isReferenced(node, parent) {
+  switch (parent.type) {
+    case "BindExpression":
+      return parent.object === node || parent.callee === node;
+
+    case "MemberExpression":
+    case "JSXMemberExpression":
+      if (parent.property === node && parent.computed) {
+        return true;
+      } else if (parent.object === node) {
+        return true;
+      } else {
+        return false;
+      }
+
+    case "MetaProperty":
+      return false;
+
+    case "ObjectProperty":
+      if (parent.key === node) {
+        return parent.computed;
+      }
+
+    case "VariableDeclarator":
+      return parent.id !== node;
+
+    case "ArrowFunctionExpression":
+    case "FunctionDeclaration":
+    case "FunctionExpression":
+      var _arr = parent.params;
+
+      for (var _i = 0; _i < _arr.length; _i++) {
+        var param = _arr[_i];
+        if (param === node) return false;
+      }
+
+      return parent.id !== node;
+
+    case "ExportSpecifier":
+      if (parent.source) {
+        return false;
+      } else {
+        return parent.local === node;
+      }
+
+    case "ExportNamespaceSpecifier":
+    case "ExportDefaultSpecifier":
+      return false;
+
+    case "JSXAttribute":
+      return parent.name !== node;
+
+    case "ClassProperty":
+      if (parent.key === node) {
+        return parent.computed;
+      } else {
+        return parent.value === node;
+      }
+
+    case "ImportDefaultSpecifier":
+    case "ImportNamespaceSpecifier":
+    case "ImportSpecifier":
+      return false;
+
+    case "ClassDeclaration":
+    case "ClassExpression":
+      return parent.id !== node;
+
+    case "ClassMethod":
+    case "ObjectMethod":
+      return parent.key === node && parent.computed;
+
+    case "LabeledStatement":
+      return false;
+
+    case "CatchClause":
+      return parent.param !== node;
+
+    case "RestElement":
+      return false;
+
+    case "AssignmentExpression":
+      return parent.right === node;
+
+    case "AssignmentPattern":
+      return parent.right === node;
+
+    case "ObjectPattern":
+    case "ArrayPattern":
+      return false;
+  }
+
+  return true;
+}
+\ No newline at end of file