unjs · anonrig · Oct 10, 2024 · Oct 9, 2024 · Oct 9, 2024 · Oct 10, 2024
@@ -1,58 +1,41 @@
 // https://nodejs.org/api/buffer.html
 import type nodeBuffer from "node:buffer";
 
-export {
-  Blob,
-  File,
-  INSPECT_MAX_BYTES,
-  atob,
-  btoa,
-  isAscii,
-  isUtf8,
-  resolveObjectURL,
-  transcode,
-} from "./index";
+export { INSPECT_MAX_BYTES, resolveObjectURL } from "./index";
 
-import {
-  Blob,
-  File,
-  INSPECT_MAX_BYTES,
-  atob,
-  btoa,
-  isAscii,
-  isUtf8,
-  resolveObjectURL,
-  transcode,
-} from "./index";
+import { INSPECT_MAX_BYTES, resolveObjectURL } from "./index";
 
 // @ts-ignore typings are not up to date, but this API exists, see: https://github.com/cloudflare/workerd/pull/2147
 const workerdBuffer = process.getBuiltinModule("node:buffer");
 
 // TODO: Ideally this list is not hardcoded but instead is generated when the preset is being generated in the `env()` call
 //       This generation should use information from https://github.com/cloudflare/workerd/issues/2097
-export const { Buffer, SlowBuffer, constants, kMaxLength, kStringMaxLength } =
-  workerdBuffer;
-
-export default {
-  /**
-   * manually unroll unenv-polyfilled-symbols to make it tree-shakeable
-   */
+export const {
   Blob,
+  Buffer,
   File,
-  INSPECT_MAX_BYTES,
-  atob,
-  btoa,
+  SlowBuffer,
+  constants,
   isAscii,
   isUtf8,
-  resolveObjectURL,
+  kMaxLength,
+  kStringMaxLength,
   transcode,
+} = workerdBuffer;
 
-  /**
-   * manually unroll workerd-polyfilled-symbols to make it tree-shakeable
-   */
+export default {
+  INSPECT_MAX_BYTES,
+  Blob,
   Buffer,
+  File,
   SlowBuffer,
+  atob,
+  btoa,
   constants,
+  isAscii,
+  isUtf8,
   kMaxLength,
   kStringMaxLength,
+  resolveObjectURL,
+  transcode,
 } satisfies typeof nodeBuffer;
@@ -30,3 +30,31 @@ export const url_parse = {
     );
   },
 };
+
+// --- node:buffer
+
+export const buffer_implements = {
+  async test() {
+    const Buffer = await import("unenv/runtime/node/buffer");
+    assert.ok(Buffer.isAscii("hello world"));
+    assert.ok(Buffer.isUtf8("Yağız"));
+    assert.strictEqual(Buffer.btoa("hello"), "aGVsbG8=");
+    assert.strictEqual(Buffer.atob("aGVsbG8="), "hello");
+    {
+      const dest = Buffer.transcode(
+        Buffer.from([
+          0x74, 0x00, 0x1b, 0x01, 0x73, 0x00, 0x74, 0x00, 0x20, 0x00, 0x15,
+          0x26,
+        ]),
+        "ucs2",
+        "utf8",
+      );
+      assert.strictEqual(
+        dest.toString(),
+        Buffer.from("těst ☕", "utf8").toString(),
+      );
+    }
+    assert.ok(new Buffer.File([], "file"));
+    assert.ok(new Buffer.Blob([]));
+  },
+};