fix(provider-cloud): set apiKey in Azure AI Foundry endpoint (#195)

* fix(providers-cloud): set string-type API key for Azure AI

* Check apiKey anyway

* Remove the unnecessary null check

packages-ext/providers-cloud/src/providers/azure.ts

@@ -73,18 +73,15 @@ export const createAzure = async (options: CreateAzureOptions) => {
     // For the extra steps to obtain the bearer token, please refer to the following links:
     // https://learn.microsoft.com/en-us/azure/api-management/api-management-authenticate-authorize-azure-openai
     // https://learn.microsoft.com/en-us/azure/ai-services/openai/reference#authentication
-    if (typeof options.apiKey === 'function') {
-      init.headers ??= {}
+    const token = `Bearer ${typeof options.apiKey === 'function' ? await options.apiKey() : options.apiKey}`
 
-      const token = `Bearer ${await options.apiKey()}`
-
-      if (Array.isArray(init.headers))
-        init.headers.push(['Authorization', token])
-      else if (init.headers instanceof Headers)
-        init.headers.append('Authorization', token)
-      else
-        init.headers.Authorization = token
-    }
+    init.headers ??= {}
+    if (Array.isArray(init.headers))
+      init.headers.push(['Authorization', token])
+    else if (init.headers instanceof Headers)
+      init.headers.append('Authorization', token)
+    else
+      init.headers.Authorization = token
 
     return globalThis.fetch(input, init)
   }