Disable next button on Python wizard creation (#18069)

* disable next button on wizard creation * check pages registered in nav validator
microsoft · Jan 13, 2022 · cfa6fec · cfa6fec
1 parent 9d9ee7e
commit cfa6fec
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/extensions/notebook/src/dialog/configurePython/configurePythonWizard.ts b/extensions/notebook/src/dialog/configurePython/configurePythonWizard.ts
@@ -99,6 +99,10 @@ export class ConfigurePythonWizard {
 		});
 
 		this._wizard.registerNavigationValidator(async (info) => {
+			// The pages have not been registered yet
+			if (pages.size === 0) {
+				return false;
+			}
 			let lastPage = pages.get(info.lastPage);
 			let newPage = pages.get(info.newPage);