fix: get-actor-definition-default-build (#73)

* fix get default build in get actor definition

* fix tests

* fix double import, lint

Author: MQ37

src/apify-client.ts

@@ -16,11 +16,15 @@ function addUserAgent(config: AxiosRequestConfig): AxiosRequestConfig {
     return updatedConfig;
 }
 
+export function getApifyAPIBaseUrl(): string {
+    return process.env.APIFY_API_BASE_URL || 'https://api.apify.com';
+}
+
 export class ApifyClient extends _ApifyClient {
     constructor(options: ApifyClientOptions) {
         super({
             ...options,
-            baseUrl: process.env.APIFY_API_BASE_URL || undefined,
+            baseUrl: getApifyAPIBaseUrl(),
             requestInterceptors: [addUserAgent],
         });
     }

src/mcp/actors.ts

@@ -1,6 +1,6 @@
 import type { ActorDefinition } from 'apify-client';
 
-import { ApifyClient } from '../apify-client.js';
+import { ApifyClient, getApifyAPIBaseUrl } from '../apify-client.js';
 
 export async function isActorMCPServer(actorID: string, apifyToken: string): Promise<boolean> {
     const mcpPath = await getActorsMCPServerPath(actorID, apifyToken);
@@ -63,18 +63,25 @@ export async function getActorDefinition(actorID: string, apifyToken: string): P
     if (!info) {
         throw new Error(`Actor ${actorID} not found`);
     }
-    const latestBuildID = info.taggedBuilds?.latest?.buildId;
-    if (!latestBuildID) {
-        throw new Error(`Actor ${actorID} does not have a latest build`);
+
+    const actorObjID = info.id;
+    const res = await fetch(`${getApifyAPIBaseUrl()}/v2/acts/${actorObjID}/builds/default`, {
+        headers: {
+            // This is done so tests can pass with public Actors without token
+            ...(apifyToken ? { Authorization: `Bearer ${apifyToken}` } : {}),
+        },
+    });
+    if (!res.ok) {
+        throw new Error(`Failed to fetch default build for actor ${actorID}: ${res.statusText}`);
     }
-    const build = apifyClient.build(latestBuildID);
-    const buildInfo = await build.get();
+    const json = await res.json() as any; // eslint-disable-line @typescript-eslint/no-explicit-any
+    const buildInfo = json.data;
     if (!buildInfo) {
-        throw new Error(`Build ${latestBuildID} not found`);
+        throw new Error(`Default build for Actor ${actorID} not found`);
     }
     const { actorDefinition } = buildInfo;
     if (!actorDefinition) {
-        throw new Error(`Build ${latestBuildID} does not have an actor definition`);
+        throw new Error(`Actor default build ${actorID} does not have Actor definition`);
     }
 
     return actorDefinition;