Allow client option for custom dispatcher into fetch requests (e.g. to disable certificate validation) openapi-ts#1631

Author: mellster2012

package.json

@@ -20,6 +20,7 @@
     "@changesets/cli": "^2.27.1",
     "del-cli": "^5.1.0",
     "prettier": "^3.2.5",
-    "typescript": "^5.4.5"
+    "typescript": "^5.4.5",
+    "undici": "^6.14.1"
   }
 }

packages/openapi-fetch/src/index.d.ts

@@ -15,6 +15,8 @@ import type {
 export interface ClientOptions extends Omit<RequestInit, "headers"> {
   /** set the common root URL for all API requests */
   baseUrl?: string;
+  /** custom dispatcher */
+  dispatcher?: unknown;
   /** custom fetch (defaults to globalThis.fetch) */
   fetch?: (request: Request) => ReturnType<typeof fetch>;
   /** global querySerializer */

packages/openapi-fetch/src/index.js

@@ -12,6 +12,7 @@ const PATH_PARAM_RE = /\{[^{}]+\}/g;
 export default function createClient(clientOptions) {
   let {
     baseUrl = "",
+    dispatcher = undefined,
     fetch: baseFetch = globalThis.fetch,
     querySerializer: globalQuerySerializer,
     bodySerializer: globalBodySerializer,
@@ -91,7 +92,7 @@ export default function createClient(clientOptions) {
     }
 
     // fetch!
-    let response = await fetch(request);
+    let response = await fetch(request, dispatcher ? { dispatcher } : undefined);
 
     // middleware (response)
     // execute in reverse-array order (first priority gets last transform)