fix: fail gracefully when getting npm info

src/repos.ts

@@ -134,18 +134,22 @@ export class Repos extends ConfigFile<RepoIndex> {
 
   private async addAdditionalInfo(repo: Repository): Promise<Repository> {
     const location = repo.location || path.join(this.directory.name, repo.org, repo.name);
-    const pkgJsonPath = path.join(location, 'package.json');
-    const pkgJson = JSON.parse(await readFile(pkgJsonPath, 'utf-8')) as { name: string };
-    repo.npm = { name: pkgJson.name };
-
-    const npmInfoRaw = exec(`npm view ${pkgJson.name} --json`, { silent: true }).stdout;
-    const npmInfo = JSON.parse(npmInfoRaw) as {
-      'dist-tags': Record<string, string>;
-      versions: string[];
-    };
-    repo.npm.version = npmInfo['dist-tags']['latest'] ?? npmInfo.versions.reverse()[0];
-    repo.npm.tags = npmInfo['dist-tags'];
     repo.location = location;
+    const pkgJsonPath = path.join(location, 'package.json');
+    try {
+      const pkgJson = JSON.parse(await readFile(pkgJsonPath, 'utf-8')) as { name: string };
+      repo.npm = { name: pkgJson.name };
+
+      const npmInfoRaw = exec(`npm view ${pkgJson.name} --json`, { silent: true }).stdout;
+      const npmInfo = JSON.parse(npmInfoRaw) as {
+        'dist-tags': Record<string, string>;
+        versions: string[];
+      };
+      repo.npm.version = npmInfo['dist-tags']['latest'] ?? npmInfo.versions.reverse()[0];
+      repo.npm.tags = npmInfo['dist-tags'];
+    } catch {
+      // likely not an npm package, which is okay
+    }
     return repo;
   }
 }