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LibJS: Move resolution of some Intl.NumberFormat options to a common AO
This is a normative change in the Intl.NumberFormat V3 spec. See:
29acfc6
This is to allow Intl.PluralRules to use these options, as they were in-
effect required by later AOs anyways.
This commit is contained in:
Timothy Flynn
Tim Flynn
parent
093cf428a3
commit
5b3b14be0a
5 changed files with 197 additions and 63 deletions
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@ -51,7 +51,7 @@ ThrowCompletionOr<NonnullGCPtr<Object>> NumberFormatConstructor::construct(Funct
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auto locales = vm.argument(0);
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auto options = vm.argument(1);
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// 2. Let numberFormat be ? OrdinaryCreateFromConstructor(newTarget, "%NumberFormat.prototype%", « [[InitializedNumberFormat]], [[Locale]], [[DataLocale]], [[NumberingSystem]], [[Style]], [[Unit]], [[UnitDisplay]], [[Currency]], [[CurrencyDisplay]], [[CurrencySign]], [[MinimumIntegerDigits]], [[MinimumFractionDigits]], [[MaximumFractionDigits]], [[MinimumSignificantDigits]], [[MaximumSignificantDigits]], [[RoundingType]], [[Notation]], [[CompactDisplay]], [[UseGrouping]], [[SignDisplay]], [[BoundFormat]] »).
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// 2. Let numberFormat be ? OrdinaryCreateFromConstructor(newTarget, "%NumberFormat.prototype%", « [[InitializedNumberFormat]], [[Locale]], [[DataLocale]], [[NumberingSystem]], [[Style]], [[Unit]], [[UnitDisplay]], [[Currency]], [[CurrencyDisplay]], [[CurrencySign]], [[MinimumIntegerDigits]], [[MinimumFractionDigits]], [[MaximumFractionDigits]], [[MinimumSignificantDigits]], [[MaximumSignificantDigits]], [[RoundingType]], [[Notation]], [[CompactDisplay]], [[UseGrouping]], [[SignDisplay]], [[RoundingMode]], [[RoundingIncrement]], [[TrailingZeroDisplay]], [[BoundFormat]] »).
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auto number_format = TRY(ordinary_create_from_constructor<NumberFormat>(vm, new_target, &Intrinsics::intl_number_format_prototype));
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// 3. Perform ? InitializeNumberFormat(numberFormat, locales, options).
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@ -161,55 +161,22 @@ ThrowCompletionOr<NumberFormat*> initialize_number_format(VM& vm, NumberFormat&
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default_max_fraction_digits = style == NumberFormat::Style::Percent ? 0 : 3;
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}
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// 18. Let roundingIncrement be ? GetNumberOption(options, "roundingIncrement", 1, 5000, 1).
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auto rounding_increment = TRY(get_number_option(vm, *options, vm.names.roundingIncrement, 1, 5000, 1));
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// 19. If roundingIncrement is not in « 1, 2, 5, 10, 20, 25, 50, 100, 200, 250, 500, 1000, 2000, 2500, 5000 », throw a RangeError exception.
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static constexpr auto sanctioned_rounding_increments = AK::Array { 1, 2, 5, 10, 20, 25, 50, 100, 200, 250, 500, 1000, 2000, 2500, 5000 };
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if (!sanctioned_rounding_increments.span().contains_slow(*rounding_increment))
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return vm.throw_completion<RangeError>(ErrorType::IntlInvalidRoundingIncrement, *rounding_increment);
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// 20. If roundingIncrement is not 1, set mxfdDefault to mnfdDefault.
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if (rounding_increment != 1)
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default_max_fraction_digits = default_min_fraction_digits;
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// 21. Let notation be ? GetOption(options, "notation", string, « "standard", "scientific", "engineering", "compact" », "standard").
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// 18. Let notation be ? GetOption(options, "notation", string, « "standard", "scientific", "engineering", "compact" », "standard").
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auto notation = TRY(get_option(vm, *options, vm.names.notation, OptionType::String, { "standard"sv, "scientific"sv, "engineering"sv, "compact"sv }, "standard"sv));
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// 22. Set numberFormat.[[Notation]] to notation.
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// 19. Set numberFormat.[[Notation]] to notation.
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number_format.set_notation(TRY(notation.as_string().utf8_string_view()));
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// 23. Perform ? SetNumberFormatDigitOptions(numberFormat, options, mnfdDefault, mxfdDefault, notation).
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// 20. Perform ? SetNumberFormatDigitOptions(numberFormat, options, mnfdDefault, mxfdDefault, notation).
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TRY(set_number_format_digit_options(vm, number_format, *options, default_min_fraction_digits, default_max_fraction_digits, number_format.notation()));
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// 24. If roundingIncrement is not 1, then
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if (rounding_increment != 1) {
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// a. If numberFormat.[[RoundingType]] is not fractionDigits, throw a TypeError exception.
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if (number_format.rounding_type() != NumberFormatBase::RoundingType::FractionDigits)
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return vm.throw_completion<TypeError>(ErrorType::IntlInvalidRoundingIncrementForRoundingType, *rounding_increment, number_format.rounding_type_string());
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// b. If numberFormat.[[MaximumFractionDigits]] is not equal to numberFormat.[[MinimumFractionDigits]], throw a RangeError exception.
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if (number_format.max_fraction_digits() != number_format.min_fraction_digits())
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return vm.throw_completion<RangeError>(ErrorType::IntlInvalidRoundingIncrementForFractionDigits, *rounding_increment);
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}
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// 25. Set numberFormat.[[RoundingIncrement]] to roundingIncrement.
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number_format.set_rounding_increment(*rounding_increment);
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// 26. Let trailingZeroDisplay be ? GetOption(options, "trailingZeroDisplay", string, « "auto", "stripIfInteger" », "auto").
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auto trailing_zero_display = TRY(get_option(vm, *options, vm.names.trailingZeroDisplay, OptionType::String, { "auto"sv, "stripIfInteger"sv }, "auto"sv));
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// 27. Set numberFormat.[[TrailingZeroDisplay]] to trailingZeroDisplay.
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number_format.set_trailing_zero_display(TRY(trailing_zero_display.as_string().utf8_string_view()));
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// 28. Let compactDisplay be ? GetOption(options, "compactDisplay", string, « "short", "long" », "short").
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// 21. Let compactDisplay be ? GetOption(options, "compactDisplay", string, « "short", "long" », "short").
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auto compact_display = TRY(get_option(vm, *options, vm.names.compactDisplay, OptionType::String, { "short"sv, "long"sv }, "short"sv));
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// 29. Let defaultUseGrouping be "auto".
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// 22. Let defaultUseGrouping be "auto".
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auto default_use_grouping = "auto"sv;
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// 30. If notation is "compact", then
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// 23. If notation is "compact", then
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if (number_format.notation() == NumberFormat::Notation::Compact) {
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// a. Set numberFormat.[[CompactDisplay]] to compactDisplay.
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number_format.set_compact_display(TRY(compact_display.as_string().utf8_string_view()));
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@ -218,25 +185,19 @@ ThrowCompletionOr<NumberFormat*> initialize_number_format(VM& vm, NumberFormat&
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default_use_grouping = "min2"sv;
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}
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// 31. Let useGrouping be ? GetStringOrBooleanOption(options, "useGrouping", « "min2", "auto", "always" », "always", false, defaultUseGrouping).
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// 24. Let useGrouping be ? GetStringOrBooleanOption(options, "useGrouping", « "min2", "auto", "always" », "always", false, defaultUseGrouping).
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auto use_grouping = TRY(get_string_or_boolean_option(vm, *options, vm.names.useGrouping, { "min2"sv, "auto"sv, "always"sv }, "always"sv, false, default_use_grouping));
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// 32. Set numberFormat.[[UseGrouping]] to useGrouping.
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// 25. Set numberFormat.[[UseGrouping]] to useGrouping.
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number_format.set_use_grouping(use_grouping);
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// 33. Let signDisplay be ? GetOption(options, "signDisplay", string, « "auto", "never", "always", "exceptZero, "negative" », "auto").
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// 26. Let signDisplay be ? GetOption(options, "signDisplay", string, « "auto", "never", "always", "exceptZero, "negative" », "auto").
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auto sign_display = TRY(get_option(vm, *options, vm.names.signDisplay, OptionType::String, { "auto"sv, "never"sv, "always"sv, "exceptZero"sv, "negative"sv }, "auto"sv));
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// 34. Set numberFormat.[[SignDisplay]] to signDisplay.
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// 27. Set numberFormat.[[SignDisplay]] to signDisplay.
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number_format.set_sign_display(TRY(sign_display.as_string().utf8_string_view()));
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// 35. Let roundingMode be ? GetOption(options, "roundingMode", string, « "ceil", "floor", "expand", "trunc", "halfCeil", "halfFloor", "halfExpand", "halfTrunc", "halfEven" », "halfExpand").
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auto rounding_mode = TRY(get_option(vm, *options, vm.names.roundingMode, OptionType::String, { "ceil"sv, "floor"sv, "expand"sv, "trunc"sv, "halfCeil"sv, "halfFloor"sv, "halfExpand"sv, "halfTrunc"sv, "halfEven"sv }, "halfExpand"sv));
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// 36. Set numberFormat.[[RoundingMode]] to roundingMode.
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number_format.set_rounding_mode(TRY(rounding_mode.as_string().utf8_string_view()));
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// 37. Return numberFormat.
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// 28. Return numberFormat.
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return &number_format;
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}
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@ -265,25 +226,55 @@ ThrowCompletionOr<void> set_number_format_digit_options(VM& vm, NumberFormatBase
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// 7. Let roundingPriority be ? GetOption(options, "roundingPriority", string, « "auto", "morePrecision", "lessPrecision" », "auto").
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auto rounding_priority = TRY(get_option(vm, options, vm.names.roundingPriority, OptionType::String, { "auto"sv, "morePrecision"sv, "lessPrecision"sv }, "auto"sv));
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// 8. If mnsd is not undefined or mxsd is not undefined, then
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// 8. Let roundingIncrement be ? GetNumberOption(options, "roundingIncrement", 1, 5000, 1).
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auto rounding_increment = TRY(get_number_option(vm, options, vm.names.roundingIncrement, 1, 5000, 1));
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// 9. If roundingIncrement is not in « 1, 2, 5, 10, 20, 25, 50, 100, 200, 250, 500, 1000, 2000, 2500, 5000 », throw a RangeError exception.
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static constexpr auto sanctioned_rounding_increments = AK::Array { 1, 2, 5, 10, 20, 25, 50, 100, 200, 250, 500, 1000, 2000, 2500, 5000 };
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if (!sanctioned_rounding_increments.span().contains_slow(*rounding_increment))
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return vm.throw_completion<RangeError>(ErrorType::IntlInvalidRoundingIncrement, *rounding_increment);
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// 10. Let roundingMode be ? GetOption(options, "roundingMode", string, « "ceil", "floor", "expand", "trunc", "halfCeil", "halfFloor", "halfExpand", "halfTrunc", "halfEven" », "halfExpand").
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auto rounding_mode = TRY(get_option(vm, options, vm.names.roundingMode, OptionType::String, { "ceil"sv, "floor"sv, "expand"sv, "trunc"sv, "halfCeil"sv, "halfFloor"sv, "halfExpand"sv, "halfTrunc"sv, "halfEven"sv }, "halfExpand"sv));
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// 11. Let trailingZeroDisplay be ? GetOption(options, "trailingZeroDisplay", string, « "auto", "stripIfInteger" », "auto").
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auto trailing_zero_display = TRY(get_option(vm, options, vm.names.trailingZeroDisplay, OptionType::String, { "auto"sv, "stripIfInteger"sv }, "auto"sv));
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// 12. NOTE: All fields required by SetNumberFormatDigitOptions have now been read from options. The remainder of this AO interprets the options and may throw exceptions.
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// 13. If roundingIncrement is not 1, set mxfdDefault to mnfdDefault.
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if (rounding_increment != 1)
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default_max_fraction_digits = default_min_fraction_digits;
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// 14. Set intlObj.[[RoundingIncrement]] to roundingIncrement.
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intl_object.set_rounding_increment(*rounding_increment);
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// 15. Set intlObj.[[RoundingMode]] to roundingMode.
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intl_object.set_rounding_mode(TRY(rounding_mode.as_string().utf8_string_view()));
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// 16. Set intlObj.[[TrailingZeroDisplay]] to trailingZeroDisplay.
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intl_object.set_trailing_zero_display(TRY(trailing_zero_display.as_string().utf8_string_view()));
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// 17. If mnsd is not undefined or mxsd is not undefined, then
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// a. Let hasSd be true.
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// 9. Else,
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// 18. Else,
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// a. Let hasSd be false.
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bool has_significant_digits = !min_significant_digits.is_undefined() || !max_significant_digits.is_undefined();
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// 10. If mnfd is not undefined or mxfd is not undefined, then
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// 19. If mnfd is not undefined or mxfd is not undefined, then
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// a. Let hasFd be true.
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// 11. Else,
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// 20. Else,
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// a. Let hasFd be false.
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bool has_fraction_digits = !min_fraction_digits.is_undefined() || !max_fraction_digits.is_undefined();
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// 12. Let needSd be true.
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// 21. Let needSd be true.
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bool need_significant_digits = true;
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// 13. Let needFd be true.
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// 22. Let needFd be true.
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bool need_fraction_digits = true;
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// 14. If roundingPriority is "auto", then
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// 23. If roundingPriority is "auto", then
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if (TRY(rounding_priority.as_string().utf8_string_view()) == "auto"sv) {
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// a. Set needSd to hasSd.
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need_significant_digits = has_significant_digits;
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@ -295,7 +286,7 @@ ThrowCompletionOr<void> set_number_format_digit_options(VM& vm, NumberFormatBase
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}
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}
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// 15. If needSd is true, then
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// 24. If needSd is true, then
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if (need_significant_digits) {
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// a. If hasSd is true, then
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if (has_significant_digits) {
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@ -321,7 +312,7 @@ ThrowCompletionOr<void> set_number_format_digit_options(VM& vm, NumberFormatBase
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}
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}
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// 16. If needFd is true, then
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// 25. If needFd is true, then
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if (need_fraction_digits) {
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// a. If hasFd is true, then
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if (has_fraction_digits) {
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@ -357,7 +348,7 @@ ThrowCompletionOr<void> set_number_format_digit_options(VM& vm, NumberFormatBase
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}
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}
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// 17. If needSd is true or needFd is true, then
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// 26. If needSd is true or needFd is true, then
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if (need_significant_digits || need_fraction_digits) {
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auto rounding_priority_string = TRY(rounding_priority.as_string().utf8_string_view());
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@ -383,7 +374,7 @@ ThrowCompletionOr<void> set_number_format_digit_options(VM& vm, NumberFormatBase
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}
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}
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// 18. Else,
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// 27. Else,
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else {
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// a. Set intlObj.[[RoundingType]] to morePrecision.
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intl_object.set_rounding_type(NumberFormatBase::RoundingType::MorePrecision);
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@ -401,6 +392,17 @@ ThrowCompletionOr<void> set_number_format_digit_options(VM& vm, NumberFormatBase
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intl_object.set_max_significant_digits(2);
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}
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// 28. If roundingIncrement is not 1, then
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if (rounding_increment != 1) {
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// a. If intlObj.[[RoundingType]] is not fractionDigits, throw a TypeError exception.
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if (intl_object.rounding_type() != NumberFormatBase::RoundingType::FractionDigits)
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return vm.throw_completion<TypeError>(ErrorType::IntlInvalidRoundingIncrementForRoundingType, *rounding_increment, intl_object.rounding_type_string());
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// b. If intlObj.[[MaximumFractionDigits]] is not equal to intlObj.[[MinimumFractionDigits]], throw a RangeError exception.
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if (intl_object.max_fraction_digits() != intl_object.min_fraction_digits())
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return vm.throw_completion<RangeError>(ErrorType::IntlInvalidRoundingIncrementForFractionDigits, *rounding_increment);
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}
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return {};
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}
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