From 3aead4eae2f89fe8ae2bc550ed277f5ec166eace Mon Sep 17 00:00:00 2001
From: Bruno Windels <brunow@matrix.org>
Date: Fri, 18 Sep 2020 13:08:35 +0200
Subject: [PATCH] createEnum does not take an array

---
 src/matrix/e2ee/common.js | 2 +-
 src/utils/enum.js         | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/matrix/e2ee/common.js b/src/matrix/e2ee/common.js
index 190f2fa2..52995765 100644
--- a/src/matrix/e2ee/common.js
+++ b/src/matrix/e2ee/common.js
@@ -17,7 +17,7 @@ limitations under the License.
 import anotherjson from "../../../lib/another-json/index.js";
 import {createEnum} from "../../utils/enum.js";
 
-export const DecryptionSource = createEnum(["Sync", "Timeline", "Retry"]);
+export const DecryptionSource = createEnum("Sync", "Timeline", "Retry");
 
 // use common prefix so it's easy to clear properties that are not e2ee related during session clear
 export const SESSION_KEY_PREFIX = "e2ee:";
diff --git a/src/utils/enum.js b/src/utils/enum.js
index 733a548b..4defcfd7 100644
--- a/src/utils/enum.js
+++ b/src/utils/enum.js
@@ -17,6 +17,9 @@ limitations under the License.
 export function createEnum(...values) {
     const obj = {};
     for (const value of values) {
+        if (typeof value !== "string") {
+            throw new Error("Invalid enum value name" + value?.toString());
+        }
         obj[value] = value;
     }
     return Object.freeze(obj);