fix: use uint8array for user's wasm modules used in middleware instead of base64

Author: pieh

edge-runtime/vendor.ts

@@ -2,7 +2,6 @@
 // It acts as a seed that populates the `vendor/` directory and should not be
 // imported directly.
 
-import 'https://deno.land/[email protected]/encoding/base64.ts'
 import 'https://deno.land/[email protected]/http/cookie.ts'
 import 'https://deno.land/[email protected]/node/buffer.ts'
 import 'https://deno.land/[email protected]/node/events.ts'

src/build/functions/edge.ts

@@ -126,23 +126,9 @@ const copyHandlerDependencies = async (
   const outputFile = join(destDir, `server/${name}.js`)
 
   if (wasm?.length) {
-    const base64ModulePath = join(
-      destDir,
-      'edge-runtime/vendor/deno.land/[email protected]/encoding/base64.ts',
-    )
-
-    const base64ModulePathRelativeToOutputFile = toPosixPath(
-      relative(dirname(outputFile), base64ModulePath),
-    )
-
-    parts.push(`import { decode as _base64Decode } from "${base64ModulePathRelativeToOutputFile}";`)
     for (const wasmChunk of wasm ?? []) {
       const data = await readFile(join(srcDir, wasmChunk.filePath))
-      parts.push(
-        `const ${wasmChunk.name} = _base64Decode(${JSON.stringify(
-          data.toString('base64'),
-        )}).buffer`,
-      )
+      parts.push(`const ${wasmChunk.name} = Uint8Array.from(${JSON.stringify([...data])})`)
     }
   }