From dde937a7ed58f09c91b562aa76e938882af45cfd Mon Sep 17 00:00:00 2001
From: Nikita Gusakov <gusnkt@gmail.com>
Date: Mon, 15 Jul 2024 14:40:04 +0200
Subject: [PATCH] fix: schema.content might be omitted references #369

---
 .changeset/rich-olives-scream.md                     |  5 +++++
 .../src/transform/header-object.ts                   |  2 +-
 .../src/transform/request-body-object.ts             |  2 +-
 .../src/transform/response-object.ts                 |  2 +-
 .../test/transform/request-body-object.test.ts       | 11 +++++++++++
 .../test/transform/response-object.test.ts           | 12 ++++++++++++
 6 files changed, 31 insertions(+), 3 deletions(-)
 create mode 100644 .changeset/rich-olives-scream.md

diff --git a/.changeset/rich-olives-scream.md b/.changeset/rich-olives-scream.md
new file mode 100644
index 000000000..50225ff5b
--- /dev/null
+++ b/.changeset/rich-olives-scream.md
@@ -0,0 +1,5 @@
+---
+"openapi-typescript": patch
+---
+
+fix: schema.content might be omitted
diff --git a/packages/openapi-typescript/src/transform/header-object.ts b/packages/openapi-typescript/src/transform/header-object.ts
index e4d3b3e73..cb3654e5b 100644
--- a/packages/openapi-typescript/src/transform/header-object.ts
+++ b/packages/openapi-typescript/src/transform/header-object.ts
@@ -17,7 +17,7 @@ export default function transformHeaderObject(headerObject: HeaderObject, option
 
   if (headerObject.content) {
     const type: ts.TypeElement[] = [];
-    for (const [contentType, mediaTypeObject] of getEntries(headerObject.content, options.ctx)) {
+    for (const [contentType, mediaTypeObject] of getEntries(headerObject.content ?? {}, options.ctx)) {
       const nextPath = `${options.path ?? "#"}/${escapePointer(contentType)}`;
       const mediaType =
         "$ref" in mediaTypeObject
diff --git a/packages/openapi-typescript/src/transform/request-body-object.ts b/packages/openapi-typescript/src/transform/request-body-object.ts
index beeeef915..a89e5475d 100644
--- a/packages/openapi-typescript/src/transform/request-body-object.ts
+++ b/packages/openapi-typescript/src/transform/request-body-object.ts
@@ -14,7 +14,7 @@ export default function transformRequestBodyObject(
   options: TransformNodeOptions,
 ): ts.TypeNode {
   const type: ts.TypeElement[] = [];
-  for (const [contentType, mediaTypeObject] of getEntries(requestBodyObject.content, options.ctx)) {
+  for (const [contentType, mediaTypeObject] of getEntries(requestBodyObject.content ?? {}, options.ctx)) {
     const nextPath = createRef([options.path, contentType]);
     const mediaType =
       "$ref" in mediaTypeObject
diff --git a/packages/openapi-typescript/src/transform/response-object.ts b/packages/openapi-typescript/src/transform/response-object.ts
index 37b6398fa..a23aa686d 100644
--- a/packages/openapi-typescript/src/transform/response-object.ts
+++ b/packages/openapi-typescript/src/transform/response-object.ts
@@ -74,7 +74,7 @@ export default function transformResponseObject(
   // content
   const contentObject: ts.TypeElement[] = [];
   if (responseObject.content) {
-    for (const [contentType, mediaTypeObject] of getEntries(responseObject.content, options.ctx)) {
+    for (const [contentType, mediaTypeObject] of getEntries(responseObject.content ?? {}, options.ctx)) {
       const property = ts.factory.createPropertySignature(
         /* modifiers     */ tsModifiers({ readonly: options.ctx.immutable }),
         /* name          */ tsPropertyIndex(contentType),
diff --git a/packages/openapi-typescript/test/transform/request-body-object.test.ts b/packages/openapi-typescript/test/transform/request-body-object.test.ts
index 4f8965350..10bf4f8a0 100644
--- a/packages/openapi-typescript/test/transform/request-body-object.test.ts
+++ b/packages/openapi-typescript/test/transform/request-body-object.test.ts
@@ -47,6 +47,17 @@ describe("transformRequestBodyObject", () => {
     content: {
         "*/*"?: never;
     };
+}`,
+      },
+    ],
+    [
+      "no-content",
+      {
+        given: {},
+        want: `{
+    content: {
+        "*/*"?: never;
+    };
 }`,
       },
     ],
diff --git a/packages/openapi-typescript/test/transform/response-object.test.ts b/packages/openapi-typescript/test/transform/response-object.test.ts
index f370aab08..685810be5 100644
--- a/packages/openapi-typescript/test/transform/response-object.test.ts
+++ b/packages/openapi-typescript/test/transform/response-object.test.ts
@@ -70,6 +70,18 @@ describe("transformResponseObject", () => {
         // options: DEFAULT_OPTIONS,
       },
     ],
+    [
+      "no-content",
+      {
+        given: {},
+        want: `{
+    headers: {
+        [name: string]: unknown;
+    };
+    content?: never;
+}`,
+      },
+    ],
   ];
 
   for (const [testName, { given, want, options = DEFAULT_OPTIONS, ci }] of tests) {