Fix crash in esLint linter when meta.docs is undefined for a rule

FIX: Fix a crash in the `esLint` helper when a rule's `meta.docs` isn't defined.

Author: yeonjuan

src/eslint.ts

@@ -23,7 +23,7 @@ export function esLint(eslint: any, config?: any) {
       rules: {}
     }
     eslint.getRules().forEach((desc: any, name: string) => {
-      if (desc.meta.docs.recommended) config.rules[name] = 2
+      if (desc.meta.docs?.recommended) config.rules[name] = 2
     })
   }