From 185bab605aa62f414780a22c731799b21e6e93ab Mon Sep 17 00:00:00 2001
From: Harald Fernengel <harald.fernengel@here.com>
Date: Tue, 21 Apr 2020 12:38:23 +0200
Subject: [PATCH] Make "Index" a reserved word

Some APIs have a model called "Index" which would create a file
"Index.ts" which would override "index.ts" on case-insensitive file
systems (e.g. macOS, some Windows versions). Make "Index" a reserved
word to prevent this clash.
---
 docs/generators/typescript-fetch.md                            | 1 +
 .../codegen/languages/TypeScriptFetchClientCodegen.java        | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/docs/generators/typescript-fetch.md b/docs/generators/typescript-fetch.md
index af3dd9162686..40e7ff4eb2cc 100644
--- a/docs/generators/typescript-fetch.md
+++ b/docs/generators/typescript-fetch.md
@@ -76,6 +76,7 @@ sidebar_label: typescript-fetch
 <li>HTTPHeaders</li>
 <li>HTTPMethod</li>
 <li>HTTPQuery</li>
+<li>Index</li>
 <li>JSONApiResponse</li>
 <li>Middleware</li>
 <li>ModelPropertyNaming</li>
diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/TypeScriptFetchClientCodegen.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/TypeScriptFetchClientCodegen.java
index b1ab5e4fa818..bb2d108f85d1 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/TypeScriptFetchClientCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/TypeScriptFetchClientCodegen.java
@@ -312,6 +312,9 @@ private void addExtraReservedWords() {
         this.reservedWords.add("VoidApiResponse");
         this.reservedWords.add("BlobApiResponse");
         this.reservedWords.add("TextApiResponse");
+        // "Index" would create a file "Index.ts" which on case insensitive filesystems
+        // would override our "index.js" file
+        this.reservedWords.add("Index");
     }
 
     private boolean getUseSingleRequestParameter() {