From 0469abd4a9c9270a1fdc962969e36e63699af8b4 Mon Sep 17 00:00:00 2001
From: Florian Dold <florian.dold@gmail.com>
Date: Sun, 10 Dec 2017 21:51:33 +0100
Subject: upgrade dependencies

---
 node_modules/tslint/lib/error.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'node_modules/tslint/lib/error.js')

diff --git a/node_modules/tslint/lib/error.js b/node_modules/tslint/lib/error.js
index 38fd4fce9..95bc9f811 100644
--- a/node_modules/tslint/lib/error.js
+++ b/node_modules/tslint/lib/error.js
@@ -28,7 +28,8 @@ var FatalError = /** @class */ (function (_super) {
         _this.message = message;
         _this.innerError = innerError;
         _this.name = FatalError.NAME;
-        _this.stack = new Error().stack;
+        // Fix prototype chain for target ES5
+        Object.setPrototypeOf(_this, FatalError.prototype);
         return _this;
     }
     FatalError.NAME = "FatalError";
@@ -36,7 +37,7 @@ var FatalError = /** @class */ (function (_super) {
 }(Error));
 exports.FatalError = FatalError;
 function isError(possibleError) {
-    return possibleError != null && possibleError.message !== undefined;
+    return possibleError != undefined && possibleError.message !== undefined;
 }
 exports.isError = isError;
 function showWarningOnce(message) {
-- 
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