remove overly-granular check

packages/http/src/webauthn.ts

@@ -114,7 +114,7 @@ export async function getWebAuthnAssertion(
   payload: string,
   options?: TurnkeyCredentialRequestOptions
 ): Promise<string> {
-  const webAuthnSupported = await hasWebAuthnSupport();
+  const webAuthnSupported = hasWebAuthnSupport();
 
   if (!webAuthnSupported) {
     throw new Error("webauthn is not supported by this browser");
@@ -136,7 +136,7 @@ export async function getWebAuthnAssertion(
 export async function getWebAuthnAttestation(
   options: TurnkeyCredentialCreationOptions
 ): Promise<TAttestation> {
-  const webAuthnSupported = await hasWebAuthnSupport();
+  const webAuthnSupported = hasWebAuthnSupport();
 
   if (!webAuthnSupported) {
     throw new Error("webauthn is not supported by this browser");
@@ -147,16 +147,9 @@ export async function getWebAuthnAttestation(
   return toInternalAttestation(res.toJSON());
 }
 
-// For additional details see https://web.dev/articles/passkey-form-autofill#feature-detection, https://github.com/w3c/webauthn/wiki/Explainer:-WebAuthn-Conditional-UI
-async function hasWebAuthnSupport(): Promise<boolean> {
-  if (
-    window.PublicKeyCredential &&
-    PublicKeyCredential.isConditionalMediationAvailable
-  ) {
-    const isCMA = await PublicKeyCredential.isConditionalMediationAvailable();
-
-    return isCMA;
-  }
-
-  return false;
+// `hasWebAuthnSupport` checks for barebones webauthn support.
+// For additional details and granular settings, see:
+// https://web.dev/articles/passkey-form-autofill#feature-detection, https://developer.mozilla.org/en-US/docs/Web/API/PublicKeyCredential
+function hasWebAuthnSupport(): boolean {
+  return !!window.PublicKeyCredential;
 }