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LibJS: Start implementing the stage 3 Intl.DurationFormat proposal
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Idan Horowitz
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commit
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14 changed files with 998 additions and 0 deletions
194
Userland/Libraries/LibJS/Runtime/Intl/DurationFormat.h
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194
Userland/Libraries/LibJS/Runtime/Intl/DurationFormat.h
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/*
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* Copyright (c) 2022, Idan Horowitz <idan.horowitz@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Array.h>
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#include <AK/String.h>
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#include <LibJS/Runtime/Object.h>
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namespace JS::Intl {
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class DurationFormat final : public Object {
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JS_OBJECT(DurationFormat, Object);
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public:
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enum class Style {
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Long,
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Short,
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Narrow,
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Digital
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};
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enum class ValueStyle {
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Long,
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Short,
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Narrow,
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Numeric,
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TwoDigit
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};
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enum class Display {
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Auto,
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Always
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};
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static constexpr auto relevant_extension_keys()
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{
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// 1.3.3 Internal slots, https://tc39.es/proposal-intl-duration-format/#sec-Intl.DurationFormat-internal-slots
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// The value of the [[RelevantExtensionKeys]] internal slot is « "nu" ».
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return AK::Array { "nu"sv };
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}
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explicit DurationFormat(Object& prototype);
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virtual ~DurationFormat() override = default;
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void set_locale(String locale) { m_locale = move(locale); }
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String const& locale() const { return m_locale; }
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void set_data_locale(String data_locale) { m_data_locale = move(data_locale); }
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String const& data_locale() const { return m_data_locale; }
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void set_numbering_system(String numbering_system) { m_numbering_system = move(numbering_system); }
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String const& numbering_system() const { return m_numbering_system; }
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void set_style(StringView style) { m_style = style_from_string(style); }
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String style_string() const { return style_to_string(m_style); }
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void set_years_style(StringView years_style) { m_years_style = date_style_from_string(years_style); }
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StringView years_style_string() const { return value_style_to_string(m_years_style); }
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void set_years_display(StringView years_display) { m_years_display = display_from_string(years_display); }
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StringView years_display_string() const { return display_to_string(m_years_display); }
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void set_months_style(StringView months_style) { m_months_style = date_style_from_string(months_style); }
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StringView months_style_string() const { return value_style_to_string(m_months_style); }
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void set_months_display(StringView months_display) { m_months_display = display_from_string(months_display); }
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StringView months_display_string() const { return display_to_string(m_months_display); }
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void set_weeks_style(StringView weeks_style) { m_weeks_style = date_style_from_string(weeks_style); }
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StringView weeks_style_string() const { return value_style_to_string(m_weeks_style); }
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void set_weeks_display(StringView weeks_display) { m_weeks_display = display_from_string(weeks_display); }
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StringView weeks_display_string() const { return display_to_string(m_weeks_display); }
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void set_days_style(StringView days_style) { m_days_style = date_style_from_string(days_style); }
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StringView days_style_string() const { return value_style_to_string(m_days_style); }
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void set_days_display(StringView days_display) { m_days_display = display_from_string(days_display); }
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StringView days_display_string() const { return display_to_string(m_days_display); }
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void set_hours_style(StringView hours_style) { m_hours_style = time_style_from_string(hours_style); }
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StringView hours_style_string() const { return value_style_to_string(m_hours_style); }
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void set_hours_display(StringView hours_display) { m_hours_display = display_from_string(hours_display); }
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StringView hours_display_string() const { return display_to_string(m_hours_display); }
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void set_minutes_style(StringView minutes_style) { m_minutes_style = time_style_from_string(minutes_style); }
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StringView minutes_style_string() const { return value_style_to_string(m_minutes_style); }
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void set_minutes_display(StringView minutes_display) { m_minutes_display = display_from_string(minutes_display); }
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StringView minutes_display_string() const { return display_to_string(m_minutes_display); }
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void set_seconds_style(StringView seconds_style) { m_seconds_style = time_style_from_string(seconds_style); }
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StringView seconds_style_string() const { return value_style_to_string(m_seconds_style); }
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void set_seconds_display(StringView seconds_display) { m_seconds_display = display_from_string(seconds_display); }
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StringView seconds_display_string() const { return display_to_string(m_seconds_display); }
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void set_milliseconds_style(StringView milliseconds_style) { m_milliseconds_style = sub_second_style_from_string(milliseconds_style); }
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StringView milliseconds_style_string() const { return value_style_to_string(m_milliseconds_style); }
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void set_milliseconds_display(StringView milliseconds_display) { m_milliseconds_display = display_from_string(milliseconds_display); }
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StringView milliseconds_display_string() const { return display_to_string(m_milliseconds_display); }
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void set_microseconds_style(StringView microseconds_style) { m_microseconds_style = sub_second_style_from_string(microseconds_style); }
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StringView microseconds_style_string() const { return value_style_to_string(m_microseconds_style); }
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void set_microseconds_display(StringView microseconds_display) { m_microseconds_display = display_from_string(microseconds_display); }
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StringView microseconds_display_string() const { return display_to_string(m_microseconds_display); }
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void set_nanoseconds_style(StringView nanoseconds_style) { m_nanoseconds_style = sub_second_style_from_string(nanoseconds_style); }
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StringView nanoseconds_style_string() const { return value_style_to_string(m_nanoseconds_style); }
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void set_nanoseconds_display(StringView nanoseconds_display) { m_nanoseconds_display = display_from_string(nanoseconds_display); }
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StringView nanoseconds_display_string() const { return display_to_string(m_nanoseconds_display); }
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void set_fractional_digits(Optional<u8> fractional_digits) { m_fractional_digits = move(fractional_digits); }
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bool has_fractional_digits() const { return m_fractional_digits.has_value(); }
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u8 fractional_digits() const { return m_fractional_digits.value(); }
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private:
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static Style style_from_string(StringView style);
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static StringView style_to_string(Style);
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static ValueStyle date_style_from_string(StringView date_style);
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static ValueStyle time_style_from_string(StringView time_style);
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static ValueStyle sub_second_style_from_string(StringView sub_second_style);
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static StringView value_style_to_string(ValueStyle);
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static Display display_from_string(StringView display);
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static StringView display_to_string(Display);
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String m_locale; // [[Locale]]
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String m_data_locale; // [[DataLocale]]
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String m_numbering_system; // [[NumberingSystem]]
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Style m_style; // [[Style]]
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ValueStyle m_years_style { ValueStyle::Long }; // [[YearsStyle]]
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Display m_years_display { Display::Auto }; // [[YearsDisplay]]
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ValueStyle m_months_style { ValueStyle::Long }; // [[MonthsStyle]]
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Display m_months_display { Display::Auto }; // [[MonthsDisplay]]
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ValueStyle m_weeks_style { ValueStyle::Long }; // [[WeeksStyle]]
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Display m_weeks_display { Display::Auto }; // [[WeeksDisplay]]
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ValueStyle m_days_style { ValueStyle::Long }; // [[DaysStyle]]
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Display m_days_display { Display::Auto }; // [[DaysDisplay]]
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ValueStyle m_hours_style { ValueStyle::Long }; // [[HoursStyle]]
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Display m_hours_display { Display::Auto }; // [[HoursDisplay]]
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ValueStyle m_minutes_style { ValueStyle::Long }; // [[MinutesStyle]]
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Display m_minutes_display { Display::Auto }; // [[MinutesDisplay]]
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ValueStyle m_seconds_style { ValueStyle::Long }; // [[SecondsStyle]]
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Display m_seconds_display { Display::Auto }; // [[SecondsDisplay]]
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ValueStyle m_milliseconds_style { ValueStyle::Long }; // [[MillisecondsStyle]]
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Display m_milliseconds_display { Display::Auto }; // [[MillisecondsDisplay]]
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ValueStyle m_microseconds_style { ValueStyle::Long }; // [[MicrosecondsStyle]]
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Display m_microseconds_display { Display::Auto }; // [[MicrosecondsDisplay]]
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ValueStyle m_nanoseconds_style { ValueStyle::Long }; // [[NanosecondsStyle]]
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Display m_nanoseconds_display { Display::Auto }; // [[NanosecondsDisplay]]
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Optional<u8> m_fractional_digits; // [[FractionalDigits]]
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};
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struct DurationInstanceComponent {
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void (DurationFormat::*set_style_slot)(StringView);
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void (DurationFormat::*set_display_slot)(StringView);
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StringView unit;
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Span<StringView const> values;
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StringView digital_default;
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};
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// Table 1: Components of Duration Instances, https://tc39.es/proposal-intl-duration-format/#table-duration-component
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static constexpr AK::Array<StringView, 3> date_values = { "long"sv, "short"sv, "narrow"sv };
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static constexpr AK::Array<StringView, 5> time_values = { "long"sv, "short"sv, "narrow"sv, "numeric"sv, "2-digit"sv };
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static constexpr AK::Array<StringView, 4> sub_second_values = { "long"sv, "short"sv, "narrow"sv, "numeric"sv };
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static constexpr AK::Array<DurationInstanceComponent, 10> duration_instances_components {
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DurationInstanceComponent { &DurationFormat::set_years_style, &DurationFormat::set_years_display, "years"sv, date_values, "narrow"sv },
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DurationInstanceComponent { &DurationFormat::set_months_style, &DurationFormat::set_months_display, "months"sv, date_values, "narrow"sv },
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DurationInstanceComponent { &DurationFormat::set_weeks_style, &DurationFormat::set_weeks_display, "weeks"sv, date_values, "narrow"sv },
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DurationInstanceComponent { &DurationFormat::set_days_style, &DurationFormat::set_days_display, "days"sv, date_values, "narrow"sv },
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DurationInstanceComponent { &DurationFormat::set_hours_style, &DurationFormat::set_hours_display, "hours"sv, time_values, "numeric"sv },
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DurationInstanceComponent { &DurationFormat::set_minutes_style, &DurationFormat::set_minutes_display, "minutes"sv, time_values, "numeric"sv },
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DurationInstanceComponent { &DurationFormat::set_seconds_style, &DurationFormat::set_seconds_display, "seconds"sv, time_values, "numeric"sv },
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DurationInstanceComponent { &DurationFormat::set_milliseconds_style, &DurationFormat::set_milliseconds_display, "milliseconds"sv, sub_second_values, "numeric"sv },
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DurationInstanceComponent { &DurationFormat::set_microseconds_style, &DurationFormat::set_microseconds_display, "microseconds"sv, sub_second_values, "numeric"sv },
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DurationInstanceComponent { &DurationFormat::set_nanoseconds_style, &DurationFormat::set_nanoseconds_display, "nanoseconds"sv, sub_second_values, "numeric"sv },
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};
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struct DurationUnitOptions {
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String style;
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String display;
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};
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ThrowCompletionOr<DurationUnitOptions> get_duration_unit_options(GlobalObject& global_object, String const& unit, Object const& options, StringView base_style, Span<StringView const> styles_list, StringView digital_base, Optional<String> const& previous_style);
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}
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