Refactor to use `Response.bytes()`, `Uint8Array.toBase64()`, and `Uint8Array.fromBase...

These functions became baseline in 2025.

diff --git a/index.html b/index.html
index a6e05a73244a04bd82b18b2c402960910d95bea2..4f36b039d3c463c5d0fd23898723814861f5c421 100644 (file)
--- a/index.html
+++ b/index.html
@@ -299,16 +299,12 @@
     async function textToGzipBase64(text) {
       const stream = new Blob([text]).stream();
       const compressed = stream.pipeThrough(new CompressionStream('gzip'));
-      const buffer = new Uint8Array(await new Response(compressed).arrayBuffer());
-      let encoded = '';
-      buffer.forEach(byte => encoded += String.fromCharCode(byte));
-      const b64 = btoa(encoded);
-      return b64;
+      const buffer = await new Response(compressed).bytes();
+      return buffer.toBase64();
     }
 
     async function gzipBase64ToText(b64) {
-      const encoded = atob(b64);
-      const buffer = Uint8Array.from(encoded, c => c.charCodeAt(0));
+      const buffer = Uint8Array.fromBase64(b64);
       const stream = new Blob([buffer]).stream();
       const decompressed = stream.pipeThrough(new DecompressionStream('gzip'));
       const text = await new Response(decompressed).text();