cleanup

frontend/src/utils/webauthn.js

@@ -12,10 +12,10 @@ const base64ToBase64url = (value = '') =>
   value.replace(/\+/g, '-').replace(/\//g, '_').replace(/=+$/g, '');
 
 const decodeBase64 = (value) => {
-  if (typeof window !== 'undefined' && typeof window.atob === 'function') {
+  if (window.atob) {
     return window.atob(value);
   }
-  const bufferCtor = typeof globalThis !== 'undefined' ? globalThis.Buffer : undefined;
+  const bufferCtor = globalThis?.Buffer;
   if (bufferCtor) {
     return bufferCtor.from(value, 'base64').toString('binary');
   }
@@ -23,10 +23,10 @@ const decodeBase64 = (value) => {
 };
 
 const encodeBase64 = (binary) => {
-  if (typeof window !== 'undefined' && typeof window.btoa === 'function') {
+  if (window.btoa) {
     return window.btoa(binary);
   }
-  const bufferCtor = typeof globalThis !== 'undefined' ? globalThis.Buffer : undefined;
+  const bufferCtor = globalThis?.Buffer;
   if (bufferCtor) {
     return bufferCtor.from(binary, 'binary').toString('base64');
   }
@@ -54,11 +54,7 @@ export const arrayBufferToBase64url = (buffer) => {
 };
 
 export const isWebAuthnAvailable = () =>
-  typeof window !== 'undefined'
-  && typeof navigator !== 'undefined'
-  && navigator.credentials
-  && typeof navigator.credentials.create === 'function'
-  && typeof navigator.credentials.get === 'function';
+  Boolean(navigator?.credentials?.create && navigator.credentials.get);
 
 export const preparePublicKeyCreationOptions = (challengeResponse) => {
   if (!challengeResponse || !challengeResponse.publicKey) {
@@ -118,10 +114,7 @@ export const serializeRegistrationCredential = (credential) => {
     return null;
   }
 
-  const transports =
-    typeof credential?.response?.getTransports === 'function'
-      ? credential.response.getTransports()
-      : undefined;
+  const transports = credential?.response?.getTransports?.();
 
   return {
     id: credential.id,
@@ -132,10 +125,7 @@ export const serializeRegistrationCredential = (credential) => {
       attestationObject: arrayBufferToBase64url(credential.response.attestationObject),
       transports: transports && transports.length ? Array.from(transports) : undefined,
     },
-    clientExtensionResults:
-      typeof credential.getClientExtensionResults === 'function'
-        ? credential.getClientExtensionResults()
-        : {},
+    clientExtensionResults: credential.getClientExtensionResults?.() || {},
   };
 };
 
@@ -156,9 +146,6 @@ export const serializeAuthenticationCredential = (credential) => {
         ? arrayBufferToBase64url(credential.response.userHandle)
         : undefined,
     },
-    clientExtensionResults:
-      typeof credential.getClientExtensionResults === 'function'
-        ? credential.getClientExtensionResults()
-        : {},
+    clientExtensionResults: credential.getClientExtensionResults?.() || {},
   };
 };