fix: use uint8array for wasm module instead of base64 decoding (#2739)

Author: JakeChampion

src/build/functions/edge.ts

@@ -97,14 +97,13 @@ const writeHandlerFile = async (ctx: PluginContext, { matchers, name }: NextDefi
   await writeFile(
     join(handlerDirectory, `${handlerName}.js`),
     `
-    import { decode as _base64Decode } from './edge-runtime/vendor/deno.land/[email protected]/encoding/base64.ts';
     import { init as htmlRewriterInit } from './edge-runtime/vendor/deno.land/x/[email protected]/src/index.ts'
-    import {handleMiddleware} from './edge-runtime/middleware.ts';
+    import { handleMiddleware } from './edge-runtime/middleware.ts';
     import handler from './server/${name}.js';
 
-    await htmlRewriterInit({ module_or_path: _base64Decode(${JSON.stringify(
-      htmlRewriterWasm.toString('base64'),
-    )}).buffer });
+    await htmlRewriterInit({ module_or_path: Uint8Array.from(${JSON.stringify([
+      ...htmlRewriterWasm,
+    ])}) });
 
     export default (req, context) => handleMiddleware(req, context, handler);
     `,