feat: remove override.fetch.explode option (BREAKING CHANGE) (#2481)

* feat: remove `override.fetch.explode` option (BREAKING CHANGE)

* docs: remove override.fetch.explode documentation

Author: soartec-lab

docs/src/pages/reference/configuration/output.mdx

@@ -1063,15 +1063,6 @@ Default: `true`
 When using `fetch` for `client` or `httpClient`, the Fetch response type includes HTTP status for easier processing by the application.
 To return a defined return type instead of an automatically generated return type, set this value to `false`.
 
-#### explode
-
-Type: `Boolean`.
-Default: `true`
-
-By default, the Fetch client follows the OpenAPI specification for query parameter explode behavior. This means that query parameters will be exploded unless explicitly set to `false` in the OpenAPI schema.
-
-To maintain backward compatibility with the previous behavior (where only parameters with `explode: true` are exploded), set this value to `false`.
-
 ##### forceSuccessResponse
 
 Type: `Boolean`.

packages/core/src/types.ts

@@ -629,14 +629,12 @@ export type SwrOptions = {
 export type NormalizedFetchOptions = {
   includeHttpResponseReturnType: boolean;
   forceSuccessResponse: boolean;
-  explode: boolean;
   jsonReviver?: Mutator;
 };
 
 export type FetchOptions = {
   includeHttpResponseReturnType?: boolean;
   forceSuccessResponse?: boolean;
-  explode?: boolean;
   jsonReviver?: Mutator;
 };
 

packages/fetch/src/index.ts

@@ -65,9 +65,7 @@ export const generateRequestFunction = (
     const schemaObject = schema.schema as SchemaObject;
 
     return (
-      schema.in === 'query' &&
-      schemaObject.type === 'array' &&
-      (schema.explode || override.fetch.explode)
+      schema.in === 'query' && schemaObject.type === 'array' && schema.explode
     );
   });
 

packages/orval/src/utils/options.ts

@@ -354,7 +354,6 @@ export const normalizeOptions = async (
             true,
           forceSuccessResponse:
             outputOptions.override?.fetch?.forceSuccessResponse ?? false,
-          explode: outputOptions.override?.fetch?.explode ?? true,
           ...outputOptions.override?.fetch,
         },
         useDates: outputOptions.override?.useDates || false,