fix: not fail for missing window.Vaadin.Flow (#11669)

Fixes regression caused by #11635 Fixes #11666
vaadin · Aug 27, 2021 · 4aba3b5 · 4aba3b5
1 parent 316d993
commit 4aba3b5
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/flow-server/src/main/resources/plugins/application-theme-plugin/theme-generator.js b/flow-server/src/main/resources/plugins/application-theme-plugin/theme-generator.js
@@ -260,6 +260,7 @@ function generateThemeFile(themeFolder, themeName, themeProperties, productionMo
   themeFile += imports.join('');
   themeFile += `
 window.Vaadin = window.Vaadin || {};
+window.Vaadin.Flow = window.Vaadin.Flow || {};
 window.Vaadin.Flow.injectedGlobalCss = [];
 
 /**