feat(catalog-backend-module-github): memoize isGitHubEnterprise check

We should mostly get these for free because of the
GitHub conditional request caching, but this is a
nice safety net and also probably saves us some
time.

Signed-off-by: MT Lewis <mtlewis@users.noreply.github.com>

plugins/catalog-backend-module-github/src/providers/GithubMultiOrgEntityProvider.ts

@@ -52,7 +52,7 @@ import {
   TeamEditedEvent,
   TeamEvent,
 } from '@octokit/webhooks-types';
-import { merge } from 'lodash';
+import { memoize, merge } from 'lodash';
 import { randomUUID } from 'node:crypto';
 
 import {
@@ -315,13 +315,17 @@ export class GithubMultiOrgEntityProvider implements EntityProvider {
     return client;
   }
 
+  private isGitHubEnterprise = memoize((org: string) =>
+    isGitHubEnterprise(this.getRestClient(org)),
+  );
+
   private async shouldExclude(login: string, org: string): Promise<boolean> {
     if (!this.useRestSuspendedCheck) {
       return false;
     }
     const restClient = this.getRestClient(org);
     return (
-      (await isGitHubEnterprise(restClient)) &&
+      (await this.isGitHubEnterprise(org)) &&
       (await isSuspended(login, restClient, { org }))
     );
   }

plugins/catalog-backend-module-github/src/providers/GithubOrgEntityProvider.ts

@@ -75,6 +75,7 @@ import {
 } from '../lib/org';
 import { parseGithubOrgUrl } from '../lib/util';
 import { withLocations } from '../lib/withLocations';
+import { memoize } from 'lodash';
 
 const EVENT_TOPICS = [
   'github.membership',
@@ -260,6 +261,10 @@ export class GithubOrgEntityProvider implements EntityProvider {
     );
   }
 
+  private isGitHubEnterprise = memoize(() =>
+    isGitHubEnterprise(this.getRestClient()),
+  );
+
   private getRestClient(): Octokit {
     if (!this.cachedRestClient) {
       this.cachedRestClient = createRestClient({
@@ -279,7 +284,7 @@ export class GithubOrgEntityProvider implements EntityProvider {
     }
     const restClient = this.getRestClient();
     return (
-      (await isGitHubEnterprise(restClient)) &&
+      (await this.isGitHubEnterprise()) &&
       (await isSuspended(login, restClient, { org }))
     );
   }