From cb4732d14fabfa684970263d4e38e67909ce7408 Mon Sep 17 00:00:00 2001
From: Sjoerd Mulder <sjoerd@crobox.com>
Date: Thu, 8 Apr 2021 08:28:31 +0200
Subject: [PATCH] Simlified if statements

---
 src/utils/discriminator.ts | 16 +++++++---------
 1 file changed, 7 insertions(+), 9 deletions(-)

diff --git a/src/utils/discriminator.ts b/src/utils/discriminator.ts
index 2f5e532c..1bbffa3e 100644
--- a/src/utils/discriminator.ts
+++ b/src/utils/discriminator.ts
@@ -13,18 +13,16 @@ function inverseDictionary(map: Dictionary<string>): Dictionary<string> {
 }
 
 export function findOneOfParentDiscriminator(openApi: OpenApi, parent?: Model): OpenApiDiscriminator | undefined {
-    if (openApi.components) {
+    if (openApi.components && parent) {
         for (const definitionName in openApi.components.schemas) {
             if (openApi.components.schemas.hasOwnProperty(definitionName)) {
                 const schema = openApi.components.schemas[definitionName];
-                if (parent && schema.oneOf?.length && schema.discriminator) {
-                    const isPartOf =
-                        schema.oneOf
-                            .map(definition => definition.$ref && stripNamespace(definition.$ref) === parent.name)
-                            .filter(Boolean).length > 0;
-                    if (isPartOf) {
-                        return schema.discriminator;
-                    }
+                if (
+                    schema.discriminator &&
+                    schema.oneOf?.length &&
+                    schema.oneOf.some(definition => definition.$ref && stripNamespace(definition.$ref) == parent.name)
+                ) {
+                    return schema.discriminator;
                 }
             }
         }