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LibJS: Change Intl's GetOption AO to accept a Span rather than a Vector

Allocating a Vector for each of these invocations is a bit silly when
the values are basically all compile-time arrays. This AO is used even
more heavily by Intl.DateTimeFormat, so change it to accept a Span to
reduce its cost.

This also adds an overload to accept a fixed-size C-array so callers do
not have to be prefixed with AK::Array, i.e. this:

    get_option(..., AK::Array { "a"sv, "b"sv }, ...);

Reduces to:

    get_option(..., { "a"sv, "b"sv }, ...);

(Which is how all call sites were already written to construct a Vector
in place).
This commit is contained in:
Timothy Flynn 2021-11-27 10:12:58 -05:00 committed by Linus Groh
parent 55aecf5381
commit bb11437792
3 changed files with 12 additions and 5 deletions

View file

@ -6,6 +6,7 @@
#pragma once
#include <AK/Span.h>
#include <AK/String.h>
#include <AK/Variant.h>
#include <AK/Vector.h>
@ -46,9 +47,15 @@ Vector<String> lookup_supported_locales(Vector<String> const& requested_locales)
Vector<String> best_fit_supported_locales(Vector<String> const& requested_locales);
ThrowCompletionOr<Array*> supported_locales(GlobalObject&, Vector<String> const& requested_locales, Value options);
ThrowCompletionOr<Object*> coerce_options_to_object(GlobalObject& global_object, Value options);
ThrowCompletionOr<Value> get_option(GlobalObject& global_object, Object const& options, PropertyKey const& property, Value::Type type, Vector<StringView> const& values, Fallback fallback);
ThrowCompletionOr<Value> get_option(GlobalObject& global_object, Object const& options, PropertyKey const& property, Value::Type type, Span<StringView const> values, Fallback fallback);
ThrowCompletionOr<Optional<int>> default_number_option(GlobalObject& global_object, Value value, int minimum, int maximum, Optional<int> fallback);
ThrowCompletionOr<Optional<int>> get_number_option(GlobalObject& global_object, Object const& options, PropertyKey const& property, int minimum, int maximum, Optional<int> fallback);
Vector<PatternPartition> partition_pattern(StringView pattern);
template<size_t Size>
ThrowCompletionOr<Value> get_option(GlobalObject& global_object, Object const& options, PropertyKey const& property, Value::Type type, StringView const (&values)[Size], Fallback fallback)
{
return get_option(global_object, options, property, type, Span<StringView const> { values }, fallback);
}
}