Add support for doctype (#37)

* Add support for doctype

* Automatically prepend doctype

1 files changed, 9 insertions, 0 deletions

diff --git a/src/frontend/h.ts b/src/frontend/h.ts
index cd94583f8..70965e135 100644
--- a/src/frontend/h.ts
+++ b/src/frontend/h.ts
@@ -6,6 +6,15 @@ export type HTag = string | AstroComponent;
 const voidTags = new Set(['area', 'base', 'br', 'col', 'command', 'embed', 'hr', 'img', 'input', 'keygen', 'link', 'meta', 'param', 'source', 'track', 'wbr']);
 
 function* _h(tag: string, attrs: HProps, children: Array<HChild>) {
+  if(tag === '!doctype') {
+    yield '<!doctype ';
+    if(attrs) {
+      yield Object.keys(attrs).join(' ');
+    }
+    yield '>';
+    return;
+  }
+
   yield `<${tag}`;
   if (attrs) {
     yield ' ';