From 2bec5cb7fd2383a415c04ed67e9cf4cd2ce1d87e Mon Sep 17 00:00:00 2001
From: Fabio Berger <me@fabioberger.com>
Date: Wed, 4 Jul 2018 08:55:16 +0200
Subject: Fix bug in string enum assertion so that we check enum values not
 keys

---
 packages/assert/src/index.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'packages/assert/src')

diff --git a/packages/assert/src/index.ts b/packages/assert/src/index.ts
index 95c7b658b..8e18416c5 100644
--- a/packages/assert/src/index.ts
+++ b/packages/assert/src/index.ts
@@ -41,8 +41,8 @@ export const assert = {
         value: string,
         stringEnum: any /* There is no base type for every string enum */,
     ): void {
-        const doesBelongToStringEnum = !_.isUndefined(stringEnum[value]);
-        const enumValues = _.keys(stringEnum);
+        const enumValues = _.values(stringEnum);
+        const doesBelongToStringEnum = _.includes(enumValues, value);
         const enumValuesAsStrings = _.map(enumValues, enumValue => `'${enumValue}'`);
         const enumValuesAsString = enumValuesAsStrings.join(', ');
         assert.assert(
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