update blocks build format

Author: Amelia Wattenbeger

build.ts

@@ -13,7 +13,8 @@ async function main() {
       entryPoints: [`./` + block.entry],
       bundle: true,
       outdir: `dist/${block.id}`,
-      format: "cjs",
+      format: "iife",
+      globalName: "BlockBundle",
       minify: true,
       platform: "node",
     });

src/blocks/example-file-block/index.tsx

@@ -5,7 +5,7 @@ import {
 } from "@githubnext/utils";
 import "./index.css";
 
-export function Block(props: FileBlockProps) {
+export default function (props: FileBlockProps) {
   const { context, content } = props;
   const language = getLanguageFromFilename(context.file);
 

src/blocks/example-folder-block/index.tsx

@@ -1,6 +1,6 @@
 import { FolderBlockProps, useTailwindCdn } from "@githubnext/utils";
 
-export function Block(props: FolderBlockProps) {
+export default function (props: FolderBlockProps) {
   useTailwindCdn();
 
   return (