Re: [heycam/webidl] Add and improve operations on BufferSources (#987)

@domenic commented on this pull request.



> +
+    <p class="note">This will throw an exception if |arrayBuffer| has an \[[ArrayBufferDetachKey]]
+    that is not undefined, such as a {{Memory|WebAssembly.Memory}}'s {{Memory/buffer}}.
+    [[WASM-JS-API-1]]
+</div>
+
+<div algorithm>
+    To <dfn for="ArrayBuffer" export>transfer</dfn> an {{ArrayBuffer}} |arrayBuffer|, optionally
+    given a [=Realm=] |realm|:
+
+    1.  Asssert: [=!=] [$IsSharedArrayBuffer$](|arrayBuffer|) is false.
+    1.  Assert: [=!=] [$IsDetachedBuffer$](|arrayBuffer|) is false.
+    1.  Let |arrayBufferData| be |arrayBuffer|.\[[ArrayBufferData]].
+    1.  Let |arrayBufferByteLength| be |arrayBuffer|.\[[ArrayBufferByteLength]].
+    1.  Perform [=?=] [$DetachArrayBuffer$](|arrayBuffer|).
+    1.  If |realm| is not given, let |realm| be |arrayBuffer|.\[[Realm]].

Hmm, right. I guess that is why streams uses the current Realm. Probably that's the right fallback here.

-- 
You are receiving this because you are subscribed to this thread.
Reply to this email directly or view it on GitHub:
https://github.com/heycam/webidl/pull/987#discussion_r645560872