From bf1048168b2ee81a97b3ad36b204170717d7a0be Mon Sep 17 00:00:00 2001
From: dolauli <xidi@microsoft.com>
Date: Fri, 2 Apr 2021 16:13:06 +0800
Subject: [PATCH] do not inline base model to support polymorphsim

---
 powershell/plugins/plugin-tweak-m4-model.ts | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/powershell/plugins/plugin-tweak-m4-model.ts b/powershell/plugins/plugin-tweak-m4-model.ts
index 858c6f5f0e..1797927e3a 100644
--- a/powershell/plugins/plugin-tweak-m4-model.ts
+++ b/powershell/plugins/plugin-tweak-m4-model.ts
@@ -26,6 +26,8 @@ async function tweakModel(state: State): Promise<PwshModel> {
 
   handleNoinlineDirective(state);
 
+  handleDiscriminator(state);
+
   return model;
 }
 
@@ -40,6 +42,15 @@ function handleNoinlineDirective(state: State) {
     }
   }
 }
+
+function handleDiscriminator(state: State) {
+  for (const model of state.model.schemas.objects || []) {
+    if (model.discriminator) {
+      model.language.default['skip-inline'] = true;
+    }
+  }
+}
+
 function addResponseHeaderSchema(model: CodeModel) {
   // In remodeler, each operations response headers will has its own scheam. Each header will be schema's property. 
   // But in m4, if 'schema' is not explicitly defined, even 'headers' is specified, there won't be a schema for headers.