refactor: consolidate endpoint loading logic into loadEndpoints function

api/server/services/start/endpoints.js

@@ -0,0 +1,66 @@
+const { agentsConfigSetup } = require('@librechat/api');
+const { EModelEndpoint } = require('librechat-data-provider');
+const { azureAssistantsDefaults, assistantsConfigSetup } = require('./assistants');
+const { azureConfigSetup } = require('./azureOpenAI');
+const { checkAzureVariables } = require('./checks');
+
+/**
+ * Loads custom config endpoints
+ * @param {TCustomConfig} [config]
+ * @param {TCustomConfig['endpoints']['agents']} [agentsDefaults]
+ */
+const loadEndpoints = (config, agentsDefaults) => {
+  const loadedEndpoints = {};
+  const endpoints = config?.endpoints;
+
+  if (endpoints?.[EModelEndpoint.azureOpenAI]) {
+    loadedEndpoints[EModelEndpoint.azureOpenAI] = azureConfigSetup(config);
+    checkAzureVariables();
+  }
+
+  if (endpoints?.[EModelEndpoint.azureOpenAI]?.assistants) {
+    loadedEndpoints[EModelEndpoint.azureAssistants] = azureAssistantsDefaults();
+  }
+
+  if (endpoints?.[EModelEndpoint.azureAssistants]) {
+    loadedEndpoints[EModelEndpoint.azureAssistants] = assistantsConfigSetup(
+      config,
+      EModelEndpoint.azureAssistants,
+      loadedEndpoints[EModelEndpoint.azureAssistants],
+    );
+  }
+
+  if (endpoints?.[EModelEndpoint.assistants]) {
+    loadedEndpoints[EModelEndpoint.assistants] = assistantsConfigSetup(
+      config,
+      EModelEndpoint.assistants,
+      loadedEndpoints[EModelEndpoint.assistants],
+    );
+  }
+
+  loadedEndpoints[EModelEndpoint.agents] = agentsConfigSetup(config, agentsDefaults);
+
+  const endpointKeys = [
+    EModelEndpoint.openAI,
+    EModelEndpoint.google,
+    EModelEndpoint.bedrock,
+    EModelEndpoint.anthropic,
+    EModelEndpoint.gptPlugins,
+  ];
+
+  endpointKeys.forEach((key) => {
+    if (endpoints?.[key]) {
+      loadedEndpoints[key] = endpoints[key];
+    }
+  });
+
+  if (endpoints?.all) {
+    loadedEndpoints.all = endpoints.all;
+  }
+
+  return loadedEndpoints;
+};
+
+module.exports = {
+  loadEndpoints,
+};