Merge pull request #94 from nikitavik/main

Author: HiDeoo

CHANGELOG.md

@@ -1,3 +1,7 @@
+## Unreleased
+
+* Update TypeScript `onBeforeChange` return type to support promises.
+
 ## 0.7.0
 
 * Add missing TypeScript `title` attribute type to steps.

index.d.ts

@@ -82,7 +82,7 @@ declare module 'intro.js-react' {
      * If you want to prevent the transition to the next / previous step, you can return false in this callback
      * (available since intro.js 2.8.0).
      */
-    onBeforeChange?(nextStepIndex: number, nextElement: Element): void | false;
+    onBeforeChange?(nextStepIndex: number, nextElement: Element): void | false | Promise<void | false>;
     /**
      * Callback called after changing the current step.
      */