Merge pull request #30880 from glen-84/grecaptcha-sitekey-optional

[grecaptcha] sitekey is optional

types/grecaptcha/grecaptcha-tests.ts

@@ -18,11 +18,15 @@ const badge1: ReCaptchaV2.Badge = "bottomleft";
 const badge2: ReCaptchaV2.Badge = "bottomright";
 const badge3: ReCaptchaV2.Badge = "inline";
 
-const invisibleParams: ReCaptchaV2.Parameters = {
+const invisibleParams1: ReCaptchaV2.Parameters = {
   sitekey: "siteKey",
   badge: badge1,
 };
 
+const invisibleParams2: ReCaptchaV2.Parameters = {
+  badge: badge2,
+};
+
 const id1: number = grecaptcha.render("foo");
 const id2: number = grecaptcha.render("foo", params);
 const id3: number = grecaptcha.render(document.getElementById("foo"));

types/grecaptcha/index.d.ts

@@ -46,7 +46,7 @@ declare namespace ReCaptchaV2 {
     /**
      * Your sitekey.
      */
-    sitekey: string;
+    sitekey?: string;
     /**
      * Optional. The color theme of the widget.
      * Accepted values: "light", "dark"