close #42 fallback to html when doctype is invalid

Yuyz0112 · Yuyz0112 · commit 8565b0d692bb · 2020-09-06T16:59:03.000+08:00
diff --git a/src/rebuild.ts b/src/rebuild.ts
@@ -85,7 +85,7 @@ function buildNode(
       return doc.implementation.createDocument(null, '', null);
     case NodeType.DocumentType:
       return doc.implementation.createDocumentType(
-        n.name,
+        n.name || 'html',
         n.publicId,
         n.systemId,
       );
diff --git a/test/__snapshots__/integration.ts.snap b/test/__snapshots__/integration.ts.snap
@@ -175,6 +175,15 @@ exports[`[html file]: invalid-attribute.html 1`] = `
 </body></html>"
 `;
 
+exports[`[html file]: invalid-doctype.html 1`] = `
+"<!DOCTYPE html><html xmlns=\\"http://www.w3.org/1999/xhtml\\" lang=\\"en\\"><head>
+    <meta charset=\\"UTF-8\\" />
+    <meta name=\\"viewport\\" content=\\"width=device-width, initial-scale=1.0\\" />
+    <title>Invalid Doctype</title>
+  </head>
+  <body></body></html>"
+`;
+
 exports[`[html file]: invalid-tagname.html 1`] = `
 "<!DOCTYPE html><html xmlns=\\"http://www.w3.org/1999/xhtml\\" lang=\\"en\\"><head>
   <meta charset=\\"UTF-8\\" />
diff --git a/test/html/invalid-doctype.html b/test/html/invalid-doctype.html
@@ -0,0 +1,9 @@
+<!DOCTYPE >
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>Invalid Doctype</title>
+  </head>
+  <body></body>
+</html>
