From ee038f945844490e7e57c78a57ee2a049d5a823d Mon Sep 17 00:00:00 2001
From: Sammy Jelin <sjelin@gmail.com>
Date: Tue, 19 Jul 2016 14:58:38 -0700
Subject: [PATCH] fix(error message): do not crash of thrown error has made
 `stack` readonly (#3372)

---
 lib/element.ts | 27 +++++++++++++++++----------
 1 file changed, 17 insertions(+), 10 deletions(-)

diff --git a/lib/element.ts b/lib/element.ts
index f3f4807d4..2d3cd2fb7 100644
--- a/lib/element.ts
+++ b/lib/element.ts
@@ -429,16 +429,23 @@ export class ElementArrayFinder extends WebdriverWebElement {
    */
   applyAction_(actionFn: Function): ElementArrayFinder {
     let callerError = new Error();
-    let actionResults = this.getWebElements()
-                            .then((arr: any) => {
-                              return webdriver.promise.all(arr.map(actionFn));
-                            })
-                            .then(null, (e: Error) => {
-                              let noSuchErr = (e as any);
-                              noSuchErr.stack =
-                                  noSuchErr.stack + (callerError as any).stack;
-                              throw noSuchErr;
-                            });
+    let actionResults =
+        this.getWebElements()
+            .then((arr: any) => {
+              return webdriver.promise.all(arr.map(actionFn));
+            })
+            .then(null, (e: Error) => {
+              let noSuchErr: any;
+              let stack: string;
+              if (e instanceof Error) {
+                noSuchErr = (e as any)
+                noSuchErr.stack = noSuchErr.stack + (callerError as any).stack;
+              } else {
+                noSuchErr = (new Error(e.toString()) as any);
+                noSuchErr.stack = (callerError as any).stack;
+              }
+              throw noSuchErr;
+            });
     return new ElementArrayFinder(
         this.browser_, this.getWebElements, this.locator_, actionResults);
   }