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js: Implement pretty-printing of WeakRef objects

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Linus Groh 2022-06-30 20:00:20 +01:00
parent dee8e53773
commit 8b9f5b0286
1 changed files with 10 additions and 0 deletions
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10
Userland/Utilities/js.cpp
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@ -73,6 +73,7 @@
#include <LibJS/Runtime/TypedArray.h> #include <LibJS/Runtime/TypedArray.h>
#include <LibJS/Runtime/Value.h> #include <LibJS/Runtime/Value.h>
#include <LibJS/Runtime/WeakMap.h> #include <LibJS/Runtime/WeakMap.h>
#include <LibJS/Runtime/WeakRef.h>
#include <LibJS/Runtime/WeakSet.h> #include <LibJS/Runtime/WeakSet.h>
#include <LibJS/SourceTextModule.h> #include <LibJS/SourceTextModule.h>
#include <LibLine/Editor.h> #include <LibLine/Editor.h>
@ -429,6 +430,13 @@ static void print_weak_set(JS::WeakSet const& weak_set, HashTable<JS::Object*>&)
// Note: We could tell you what's actually inside, but not in insertion order. // Note: We could tell you what's actually inside, but not in insertion order.
} }
static void print_weak_ref(JS::WeakRef const& weak_ref, HashTable<JS::Object*>& seen_objects)
{
print_type("WeakRef");
js_out(" ");
print_value(weak_ref.value().visit([](Empty) -> JS::Value { return JS::js_undefined(); }, [](auto* value) -> JS::Value { return value; }), seen_objects);
}
static void print_promise(JS::Promise const& promise, HashTable<JS::Object*>& seen_objects) static void print_promise(JS::Promise const& promise, HashTable<JS::Object*>& seen_objects)
{ {
print_type("Promise"); print_type("Promise");
@ -1002,6 +1010,8 @@ static void print_value(JS::Value value, HashTable<JS::Object*>& seen_objects)
return print_weak_map(static_cast<JS::WeakMap&>(object), seen_objects); return print_weak_map(static_cast<JS::WeakMap&>(object), seen_objects);
if (is<JS::WeakSet>(object)) if (is<JS::WeakSet>(object))
return print_weak_set(static_cast<JS::WeakSet&>(object), seen_objects); return print_weak_set(static_cast<JS::WeakSet&>(object), seen_objects);
if (is<JS::WeakRef>(object))
return print_weak_ref(static_cast<JS::WeakRef&>(object), seen_objects);
if (is<JS::DataView>(object)) if (is<JS::DataView>(object))
return print_data_view(static_cast<JS::DataView&>(object), seen_objects); return print_data_view(static_cast<JS::DataView&>(object), seen_objects);
if (is<JS::ProxyObject>(object)) if (is<JS::ProxyObject>(object))