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LibWeb: Implement 'Safely extract BodyInit' AO
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@ -13,6 +13,19 @@
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namespace Web::Fetch {
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// https://fetch.spec.whatwg.org/#bodyinit-safely-extract
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WebIDL::ExceptionOr<Infrastructure::BodyWithType> safely_extract_body(JS::Realm& realm, BodyInitOrReadbleBytes const& object)
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{
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// 1. If object is a ReadableStream object, then:
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if (auto const* stream = object.get_pointer<JS::Handle<Streams::ReadableStream>>()) {
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// 1. Assert: object is neither disturbed nor locked.
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VERIFY(!((*stream)->is_disturbed() || (*stream)->is_locked()));
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}
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// 2. Return the result of extracting object.
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return extract_body(realm, object);
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}
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// https://fetch.spec.whatwg.org/#concept-bodyinit-extract
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WebIDL::ExceptionOr<Infrastructure::BodyWithType> extract_body(JS::Realm& realm, BodyInitOrReadbleBytes const& object, bool keepalive)
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{
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@ -20,6 +20,7 @@ using XMLHttpRequestBodyInit = Variant<JS::Handle<FileAPI::Blob>, JS::Handle<JS:
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using BodyInit = Variant<JS::Handle<Streams::ReadableStream>, JS::Handle<FileAPI::Blob>, JS::Handle<JS::Object>, JS::Handle<URL::URLSearchParams>, String>;
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using BodyInitOrReadbleBytes = Variant<JS::Handle<Streams::ReadableStream>, JS::Handle<FileAPI::Blob>, JS::Handle<JS::Object>, JS::Handle<URL::URLSearchParams>, String, ReadonlyBytes>;
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WebIDL::ExceptionOr<Infrastructure::BodyWithType> safely_extract_body(JS::Realm&, BodyInitOrReadbleBytes const&);
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WebIDL::ExceptionOr<Infrastructure::BodyWithType> extract_body(JS::Realm&, BodyInitOrReadbleBytes const&, bool keepalive = false);
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}
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