src: update for node-fetch v3 compatibility

While the generated code still needs to be updated to use
node-fetch v3, these changes make the library compatible with
it.

src/config.ts

@@ -168,7 +168,7 @@ export class KubeConfig implements SecurityAuthentication {
             headers,
             method: opts.method,
             timeout: opts.timeout,
-        };
+        } as RequestInit;
     }
 
     public async applyToHTTPSOptions(opts: https.RequestOptions | WebSocket.ClientOptions): Promise<void> {

src/config_test.ts

@@ -284,13 +284,14 @@ describe('KubeConfig', () => {
             });
 
             strictEqual(requestInit.method, 'POST');
-            strictEqual(requestInit.timeout, 5);
-            deepEqual((requestInit.headers as Headers).raw(), {
-                Authorization: ['Basic Zm9vOmJhcg=='],
-                list: ['a', 'b'],
-                number: ['5'],
-                string: ['str'],
-            });
+            // timeout has been removed from the spec.
+            strictEqual((requestInit as any).timeout, 5);
+            const headers = requestInit.headers as Headers;
+            strictEqual(Array.from(headers).length, 4);
+            strictEqual(headers.get('Authorization'), 'Basic Zm9vOmJhcg==');
+            strictEqual(headers.get('list'), 'a, b');
+            strictEqual(headers.get('number'), '5');
+            strictEqual(headers.get('string'), 'str');
             assertRequestAgentsEqual(requestInit.agent as Agent, expectedAgent);
         });
     });

src/log.ts

@@ -140,7 +140,7 @@ export class Log {
             const status = response.status;
             if (status === 200) {
                 // TODO: the follow search param still has the stream close prematurely based on my testing
-                response.body.pipe(stream);
+                response.body!.pipe(stream);
             } else if (status === 500) {
                 const v1status = response.body as V1Status;
                 const v1code = v1status.code;

src/watch.ts

@@ -1,3 +1,4 @@
+import { STATUS_CODES } from 'node:http';
 import { createInterface } from 'node:readline';
 import fetch from 'node-fetch';
 import { KubeConfig } from './config.js';
@@ -54,11 +55,13 @@ export class Watch {
             const response = await fetch(watchURL, requestInit);
 
             if (response.status === 200) {
-                response.body.on('error', doneCallOnce);
-                response.body.on('close', () => doneCallOnce(null));
-                response.body.on('finish', () => doneCallOnce(null));
+                const body = response.body!;
 
-                const lines = createInterface(response.body);
+                body.on('error', doneCallOnce);
+                body.on('close', () => doneCallOnce(null));
+                body.on('finish', () => doneCallOnce(null));
+
+                const lines = createInterface(body);
                 lines.on('error', doneCallOnce);
                 lines.on('close', () => doneCallOnce(null));
                 lines.on('finish', () => doneCallOnce(null));
@@ -71,7 +74,9 @@ export class Watch {
                     }
                 });
             } else {
-                const error = new Error(response.statusText) as Error & {
+                const statusText =
+                    response.statusText || STATUS_CODES[response.status] || 'Internal Server Error';
+                const error = new Error(statusText) as Error & {
                     statusCode: number | undefined;
                 };
                 error.statusCode = response.status;

src/watch_test.ts

@@ -154,7 +154,7 @@ describe('Watch', () => {
         strictEqual(doneCalled, 0);
 
         const errIn = new Error('err');
-        (response as IncomingMessage).socket.destroy(errIn);
+        (response as IncomingMessage).destroy(errIn);
 
         await donePromise;
 
@@ -232,7 +232,7 @@ describe('Watch', () => {
         strictEqual(doneErr.length, 0);
 
         const errIn = new Error('err');
-        (response as IncomingMessage).socket.destroy(errIn);
+        (response as IncomingMessage).destroy(errIn);
 
         await donePromise;