feat: allow challenges to be hidden by language (#40833)

utils/is-audited.js

@@ -1,15 +1,23 @@
 // this can go once all certs have been audited.
+
+// Currently the auditing is going through Crowdin, so once a cert has been 100%
+// proofread, we can add it in here. That means that translations can come
+// through from Crowdin whenever they are done, but we don't show them on the
+// client until we decide the entire cert is ready.
+
+// NOTE: certificates themselves (.markdown files) are not currently being
+// translated, but when they are they can be included by adding 'certificates'
+// to the arrays below
+
+const auditedCerts = {
+  espanol: [],
+  chinese: []
+};
+
 function isAuditedCert(lang, cert) {
   if (!lang || !cert)
     throw Error('Both arguments must be provided for auditing');
-  // in order to see the challenges in the client, add the certification that
-  // contains those challenges to this array:
-  const auditedCerts = [
-    'responsive-web-design',
-    'javascript-algorithms-and-data-structures',
-    'certificates'
-  ];
-  return lang === 'english' || auditedCerts.includes(cert);
+  return lang === 'english' || auditedCerts[lang].includes(cert);
 }
 
 exports.isAuditedCert = isAuditedCert;