trim html before checking for doctype html fragment

FredKSchott · Dec 13, 2020 · 9492843 · 9492843 · vercel · Dec 13, 2020
1 parent 968b01c
commit 9492843
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/snowpack/src/build/build-import-proxy.ts b/snowpack/src/build/build-import-proxy.ts
@@ -89,7 +89,7 @@ export function wrapHtmlResponse({
 
   // Full Page Transformations: Only full page responses should get these transformations.
   // Any code not containing `<!DOCTYPE html>` is assumed to be an HTML fragment.
-  const isFullPage = code.toLowerCase().startsWith('<!doctype html>');
+  const isFullPage = code.trim().toLowerCase().startsWith('<!doctype html>');
   if (hmr && !isFullPage && !config.buildOptions.htmlFragments) {
     throw new Error(`HTML fragment found!
 HTML fragments (files not starting with "<!doctype html>") are not transformed like full HTML pages.