From cf786aea6d593d79d6a0e6967c52872ec1011edb Mon Sep 17 00:00:00 2001
From: hgossler <hendrik.gossler@gmail.com>
Date: Wed, 3 May 2017 12:09:38 -0600
Subject: [PATCH] Add functions for v1.10 (#16281)

- VError.hasCauseWithName
- VError.errorFromList
- VError.errorForEach
---
 types/verror/index.d.ts      | 7 +++++--
 types/verror/verror-tests.ts | 9 +++++++++
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/types/verror/index.d.ts b/types/verror/index.d.ts
index b8a14ae425..a77a81f349 100644
--- a/types/verror/index.d.ts
+++ b/types/verror/index.d.ts
@@ -1,4 +1,4 @@
-// Type definitions for verror 1.9
+// Type definitions for verror 1.10
 // Project: https://github.com/davepacheco/node-verror
 // Definitions by: Sven Reglitzki <https://github.com/svi3c/>, Maxime Toumi-M <https://github.com/max4t/>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
@@ -22,8 +22,11 @@ declare class VError extends Error {
 
     static cause(err: Error): Error | null;
     static info(err: Error): VError.Info;
-    static findCauseByName(err: Error, name: string): Error | null;
     static fullStack(err: Error): string;
+    static findCauseByName(err: Error, name: string): Error | null;
+    static hasCauseWithName(err: Error, name: string): boolean;
+    static errorFromList<T extends Error>(errors: T[]): null | T | VError.MultiError;
+    static errorForEach(err: Error, func: (err: Error) => void): void;
 
     cause(): Error | undefined;
     constructor(options: VError.Options | Error, message: string, ...params: any[]);
diff --git a/types/verror/verror-tests.ts b/types/verror/verror-tests.ts
index efb52c9178..c3b560bfb2 100644
--- a/types/verror/verror-tests.ts
+++ b/types/verror/verror-tests.ts
@@ -25,3 +25,12 @@ const info: { [k: string]: any } = VError.info(verror3);
 const namedCause: Error | null = VError.findCauseByName(verror3, "fooError");
 const stack: string = VError.fullStack(verror3);
 const cause3: Error | null = VError.cause(verror3);
+
+// Added in v1.9
+const hasCause: boolean = VError.hasCauseWithName(error, "name");
+
+// Added in v1.10
+const toList1: null|VError|MultiError = VError.errorFromList([verror1]);
+const toList2: null|Error|MultiError = VError.errorFromList([error, verror1]);
+
+VError.errorForEach(multiError, (error: Error) => {});