fix: avoid falsy value wrongly filter out

Author: SukkaW

packages/openapi-ts/src/plugins/@hey-api/client-ky/bundle/client.ts

@@ -127,21 +127,21 @@ export const createClient = (config: Config = {}): Client => {
 
     const kyOptions: KyOptions = {
       body: validBody as BodyInit,
-      ...(opts.cache ? { cache: opts.cache } : {}),
-      ...(opts.credentials ? { credentials: opts.credentials } : {}),
-      ...(opts.headers ? { headers: opts.headers } : {}),
-      ...(opts.integrity ? { integrity: opts.integrity } : {}),
-      ...(opts.keepalive ? { keepalive: opts.keepalive } : {}),
-      ...(opts.method ? { method: opts.method } : {}),
-      ...(opts.mode ? { mode: opts.mode } : {}),
-      redirect: opts.redirect || 'follow',
-      ...(opts.referrer ? { referrer: opts.referrer } : {}),
-      ...(opts.referrerPolicy ? { referrerPolicy: opts.referrerPolicy } : {}),
-      ...(opts.signal ? { signal: opts.signal } : {}),
+      ...(opts.cache !== undefined ? { cache: opts.cache } : {}),
+      ...(opts.credentials !== undefined ? { credentials: opts.credentials } : {}),
+      ...(opts.headers !== undefined ? { headers: opts.headers } : {}),
+      ...(opts.integrity !== undefined ? { integrity: opts.integrity } : {}),
+      ...(opts.keepalive !== undefined ? { keepalive: opts.keepalive } : {}),
+      ...(opts.method !== undefined ? { method: opts.method } : {}),
+      ...(opts.mode !== undefined ? { mode: opts.mode } : {}),
+      redirect: opts.redirect ?? 'follow',
+      ...(opts.referrer !== undefined ? { referrer: opts.referrer } : {}),
+      ...(opts.referrerPolicy !== undefined ? { referrerPolicy: opts.referrerPolicy } : {}),
+      ...(opts.signal !== undefined ? { signal: opts.signal } : {}),
       throwHttpErrors: opts.throwOnError ?? false,
-      ...(opts.timeout ? { timeout: opts.timeout } : {}),
-      retry: opts.retry ?? 2,
+      ...(opts.timeout !== undefined ? { timeout: opts.timeout } : {}),
       ...opts.kyOptions,
+      retry: opts.retry ?? opts.kyOptions?.retry ?? 2,
     };
 
     let request = new Request(url, {