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js: Implement pretty-printing of WeakMap objects

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This commit is contained in:
Linus Groh 2022-06-30 19:59:24 +01:00
parent 18f27c2e64
commit 28e184e5cc
1 changed files with 10 additions and 0 deletions
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10
Userland/Utilities/js.cpp
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@ -72,6 +72,7 @@
#include <LibJS/Runtime/Temporal/ZonedDateTime.h>
#include <LibJS/Runtime/TypedArray.h>
#include <LibJS/Runtime/Value.h>
#include <LibJS/Runtime/WeakMap.h>
#include <LibJS/SourceTextModule.h>
#include <LibLine/Editor.h>
#include <LibMain/Main.h>
@ -413,6 +414,13 @@ static void print_set(JS::Set const& set, HashTable<JS::Object*>& seen_objects)
js_out("}}");
}
static void print_weak_map(JS::WeakMap const& weak_map, HashTable<JS::Object*>&)
{
print_type("WeakMap");
js_out(" ({})", weak_map.values().size());
// Note: We could tell you what's actually inside, but not in insertion order.
}
static void print_promise(JS::Promise const& promise, HashTable<JS::Object*>& seen_objects)
{
print_type("Promise");
@ -982,6 +990,8 @@ static void print_value(JS::Value value, HashTable<JS::Object*>& seen_objects)
return print_map(static_cast<JS::Map&>(object), seen_objects);
if (is<JS::Set>(object))
return print_set(static_cast<JS::Set&>(object), seen_objects);
if (is<JS::WeakMap>(object))
return print_weak_map(static_cast<JS::WeakMap&>(object), seen_objects);
if (is<JS::DataView>(object))
return print_data_view(static_cast<JS::DataView&>(object), seen_objects);
if (is<JS::ProxyObject>(object))