tweaks

Author: iuioiua

src/jsonify/parse.ts

@@ -1,4 +1,3 @@
-import { decodeBase64 } from "@std/encoding/base64";
 import {
   HOLE,
   INFINITY_NEG,
@@ -92,7 +91,9 @@ function unpack(
         }
         case "Uint8Array":
           // TODO(iuioiua): use `Uint8Array.prototype.fromBase64()` once
-          // available (https://github.com/denoland/deno/issues/25051)
+          // available in Deno (https://github.com/denoland/deno/issues/25051)
+          // and sufficiently supported in browsers
+          // (https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Uint8Array/fromBase64#browser_compatibility)
           return hydrated[idx] = decodeBase64(current[1]);
       }
     } else {
@@ -121,3 +122,12 @@ function unpack(
     return actual;
   }
 }
+
+function decodeBase64(base64: string): Uint8Array {
+  const binary = atob(base64);
+  const bytes = new Uint8Array(binary.length);
+  for (let i = 0; i < binary.length; i++) {
+    bytes[i] = binary.charCodeAt(i);
+  }
+  return bytes;
+}

src/jsonify/stringify.ts

@@ -1,4 +1,3 @@
-import { encodeBase64 } from "@std/encoding/base64";
 import {
   HOLE,
   INFINITY_NEG,
@@ -111,7 +110,9 @@ function serializeInner(
       str += `["RegExp",${JSON.stringify(value.source)}, "${value.flags}"]`;
     } else if (value instanceof Uint8Array) {
       // TODO(iuioiua): use `Uint8Array.prototype.toBase64()` once available
-      // (https://github.com/denoland/deno/issues/25051)
+      // in Deno (https://github.com/denoland/deno/issues/25051) and
+      // sufficiently supported in browsers
+      // (https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Uint8Array/toBase64#browser_compatibility)
       str += `["Uint8Array","${encodeBase64(value)}"]`;
     } else if (value instanceof Set) {
       const items = new Array(value.size);
@@ -150,3 +151,8 @@ function serializeInner(
   out[idx] = str;
   return idx;
 }
+
+function encodeBase64(bytes: Uint8Array): string {
+  const binary = String.fromCharCode(...bytes);
+  return btoa(binary);
+}