1 files changed, 9 insertions, 7 deletions
diff --git a/node_modules/tslint/lib/rules/preferConstRule.js b/node_modules/tslint/lib/rules/preferConstRule.js
index 1efc5b1e0..6bb1a3cd0 100644
--- a/node_modules/tslint/lib/rules/preferConstRule.js
+++ b/node_modules/tslint/lib/rules/preferConstRule.js
@@ -22,7 +22,7 @@ var Lint = require("../index");
 var utils = require("tsutils");
 var OPTION_DESTRUCTURING_ALL = "all";
 var OPTION_DESTRUCTURING_ANY = "any";
-var Rule = (function (_super) {
+var Rule = /** @class */ (function (_super) {
     tslib_1.__extends(Rule, _super);
     function Rule() {
         return _super !== null && _super.apply(this, arguments) || this;
@@ -64,7 +64,7 @@ var Rule = (function (_super) {
     return Rule;
 }(Lint.Rules.AbstractRule));
 exports.Rule = Rule;
-var Scope = (function () {
+var Scope = /** @class */ (function () {
     function Scope(functionScope) {
         this.variables = new Map();
         this.reassigned = new Set();
@@ -83,7 +83,7 @@ var Scope = (function () {
     };
     return Scope;
 }());
-var PreferConstWalker = (function (_super) {
+var PreferConstWalker = /** @class */ (function (_super) {
     tslib_1.__extends(PreferConstWalker, _super);
     function PreferConstWalker() {
         return _super !== null && _super.apply(this, arguments) || this;
@@ -137,10 +137,12 @@ var PreferConstWalker = (function (_super) {
                 _this.handleVariableDeclaration(node);
             }
             else if (node.kind === ts.SyntaxKind.CatchClause) {
-                _this.handleBindingName(node.variableDeclaration.name, {
-                    canBeConst: false,
-                    isBlockScoped: true,
-                });
+                if (node.variableDeclaration !== undefined) {
+                    _this.handleBindingName(node.variableDeclaration.name, {
+                        canBeConst: false,
+                        isBlockScoped: true,
+                    });
+                }
             }
             else if (node.kind === ts.SyntaxKind.Parameter) {
                 _this.handleBindingName(node.name, {