fix(1876): Support stringify when using multipart/form-data

Author: stijnvanhulle

docs/changelog.md

@@ -6,6 +6,7 @@ title: Changelog
 
 # 4.0.2
 - [`plugin-zod`](/plugins/plugin-zod): Escape omit keys correctly with `'`
+- [`plugin-client`](/plugins/plugin-client): Support stringify when using `multipart/form-data`
 
 # 4.0.1
 - Upgrade internal packages

examples/advanced/src/gen/clients/axios/petService/addFiles.ts

@@ -25,6 +25,8 @@ export async function addFiles(
       const value = requestData[key as keyof typeof requestData]
       if (typeof value === 'string' || (value as unknown) instanceof Blob) {
         formData.append(key, value as unknown as string | Blob)
+      } else {
+        formData.append(key, JSON.stringify(value))
       }
     })
   }

examples/advanced/src/gen/mcp/petRequests/addFiles.ts

@@ -16,6 +16,8 @@ export async function addFilesHandler({ data }: { data: AddFilesMutationRequest
       const value = requestData[key as keyof typeof requestData]
       if (typeof value === 'string' || (value as unknown) instanceof Blob) {
         formData.append(key, value as unknown as string | Blob)
+      } else {
+        formData.append(key, JSON.stringify(value))
       }
     })
   }

examples/client/src/gen/clients/axios/petService/uploadFile.ts

@@ -37,6 +37,8 @@ export async function uploadFile(
       const value = requestData[key as keyof typeof requestData]
       if (typeof value === 'string' || (value as unknown) instanceof Blob) {
         formData.append(key, value as unknown as string | Blob)
+      } else {
+        formData.append(key, JSON.stringify(value))
       }
     })
   }

examples/client/src/gen/clients/axios/xml/uploadFile.ts

@@ -37,6 +37,8 @@ export async function uploadFileXML(
       const value = requestData[key as keyof typeof requestData]
       if (typeof value === 'string' || (value as unknown) instanceof Blob) {
         formData.append(key, value as unknown as string | Blob)
+      } else {
+        formData.append(key, JSON.stringify(value))
       }
     })
   }

examples/fetch/src/gen/uploadFile.ts

@@ -31,6 +31,8 @@ export async function uploadFile(
       const value = requestData[key as keyof typeof requestData]
       if (typeof value === 'string' || (value as unknown) instanceof Blob) {
         formData.append(key, value as unknown as string | Blob)
+      } else {
+        formData.append(key, JSON.stringify(value))
       }
     })
   }

examples/mcp/src/gen/mcp/addFiles.ts

@@ -16,6 +16,8 @@ export async function addFilesHandler({ data }: { data: AddFilesMutationRequest
       const value = requestData[key as keyof typeof requestData]
       if (typeof value === 'string' || (value as unknown) instanceof Blob) {
         formData.append(key, value as unknown as string | Blob)
+      } else {
+        formData.append(key, JSON.stringify(value))
       }
     })
   }

packages/core/mocks/hellowWorld.js

@@ -1 +1 @@
-export const hallo = 'world'
+export const hallo = 'world'

packages/plugin-client/src/components/Client.tsx

@@ -194,6 +194,8 @@ export function Client({
       const value = requestData[key as keyof typeof requestData];
       if (typeof value === 'string' || (value as unknown) instanceof Blob) {
         formData.append(key, value as unknown as string | Blob);
+      } else {
+        formData.append(key, JSON.stringify(value));
       }
     })
    }