squash: rewrite callback in verbose way

Author: LiviaMedeiros

benchmark/fs/bench-glob.js

@@ -35,7 +35,11 @@ async function main(config) {
       case 'callback':
         noDead = await new Promise((resolve, reject) => {
           fs.glob(pattern, { cwd: fullPath, recursive }, (err, matches) => {
-            err ? reject(err) : resolve(matches);
+            if (err) {
+              reject(err)
+            } else {
+              resolve(matches);
+            }
           });
         });
         break;