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LibJS+js: Parse new constructor options from Intl.NumberFormat V3
This contains minimal changes to parse newly added and modified options from the Intl.NumberFormat V3 proposal, while maintaining main spec behavior in Intl.NumberFormat.prototype.format. The parsed options are reflected only in Intl.NumberFormat.prototype.resolvedOptions and the js REPL.
This commit is contained in:
Timothy Flynn
Linus Groh
parent
cd8bcd06c6
commit
33698b9615
11 changed files with 589 additions and 75 deletions
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@ -80,6 +80,7 @@ JS_DEFINE_NATIVE_FUNCTION(NumberFormatConstructor::supported_locales_of)
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}
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// 15.1.2 InitializeNumberFormat ( numberFormat, locales, options ), https://tc39.es/ecma402/#sec-initializenumberformat
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// 1.1.2 InitializeNumberFormat ( numberFormat, locales, options ), https://tc39.es/proposal-intl-numberformat-v3/out/numberformat/proposed.html#sec-initializenumberformat
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ThrowCompletionOr<NumberFormat*> initialize_number_format(GlobalObject& global_object, NumberFormat& number_format, Value locales_value, Value options_value)
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{
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auto& vm = global_object.vm();
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@ -170,32 +171,71 @@ ThrowCompletionOr<NumberFormat*> initialize_number_format(GlobalObject& global_o
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// 20. Perform ? SetNumberFormatDigitOptions(numberFormat, options, mnfdDefault, mxfdDefault, notation).
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TRY(set_number_format_digit_options(global_object, number_format, *options, default_min_fraction_digits, default_max_fraction_digits, number_format.notation()));
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// 21. Let compactDisplay be ? GetOption(options, "compactDisplay", "string", « "short", "long" », "short").
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// 21. Let roundingIncrement be ? GetNumberOption(options, "roundingIncrement", 1, 5000, 1).
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auto rounding_increment = TRY(get_number_option(global_object, *options, vm.names.roundingIncrement, 1, 5000, 1));
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// 22. 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>(global_object, ErrorType::IntlInvalidRoundingIncrement, *rounding_increment);
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// 23. If roundingIncrement is not 1 and numberFormat.[[RoundingType]] is not fractionDigits, throw a TypeError exception.
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if ((rounding_increment != 1) && (number_format.rounding_type() != NumberFormatBase::RoundingType::FractionDigits))
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return vm.throw_completion<TypeError>(global_object, ErrorType::IntlInvalidRoundingIncrementForRoundingType, *rounding_increment, number_format.rounding_type_string());
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// 24. If roundingIncrement is not 1 and numberFormat.[[MaximumFractionDigits]] is not equal to numberFormat.[[MinimumFractionDigits]], throw a RangeError exception.
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if ((rounding_increment != 1) && (number_format.max_fraction_digits() != number_format.min_fraction_digits()))
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return vm.throw_completion<RangeError>(global_object, ErrorType::IntlInvalidRoundingIncrementForFractionDigits, *rounding_increment);
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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(global_object, *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(trailing_zero_display.as_string().string());
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// 28. Let compactDisplay be ? GetOption(options, "compactDisplay", "string", « "short", "long" », "short").
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auto compact_display = TRY(get_option(global_object, *options, vm.names.compactDisplay, OptionType::String, { "short"sv, "long"sv }, "short"sv));
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// 22. If notation is "compact", then
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// 29. 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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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(compact_display.as_string().string());
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// b. Set defaultUseGrouping to "min2".
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default_use_grouping = "min2"sv;
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}
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// 23. Let useGrouping be ? GetOption(options, "useGrouping", "boolean", undefined, true).
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auto use_grouping = TRY(get_option(global_object, *options, vm.names.useGrouping, OptionType::Boolean, {}, true));
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// 31. 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(global_object, *options, vm.names.useGrouping, { "min2"sv, "auto"sv, "always"sv }, "always"sv, false, default_use_grouping));
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// 24. Set numberFormat.[[UseGrouping]] to useGrouping.
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number_format.set_use_grouping(use_grouping.as_bool());
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// 32. Set numberFormat.[[UseGrouping]] to useGrouping.
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number_format.set_use_grouping(use_grouping);
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// 25. Let signDisplay be ? GetOption(options, "signDisplay", "string", « "auto", "never", "always", "exceptZero" », "auto").
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auto sign_display = TRY(get_option(global_object, *options, vm.names.signDisplay, OptionType::String, { "auto"sv, "never"sv, "always"sv, "exceptZero"sv }, "auto"sv));
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// 33. Let signDisplay be ? GetOption(options, "signDisplay", "string", « "auto", "never", "always", "exceptZero, "negative" », "auto").
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auto sign_display = TRY(get_option(global_object, *options, vm.names.signDisplay, OptionType::String, { "auto"sv, "never"sv, "always"sv, "exceptZero"sv, "negative"sv }, "auto"sv));
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// 26. Set numberFormat.[[SignDisplay]] to signDisplay.
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// 34. Set numberFormat.[[SignDisplay]] to signDisplay.
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number_format.set_sign_display(sign_display.as_string().string());
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// 27. Return numberFormat.
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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(global_object, *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(rounding_mode.as_string().string());
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// 37. Return numberFormat.
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return &number_format;
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}
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// 15.1.3 SetNumberFormatDigitOptions ( intlObj, options, mnfdDefault, mxfdDefault, notation ), https://tc39.es/ecma402/#sec-setnfdigitoptions
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// 1.1.1 SetNumberFormatDigitOptions ( intlObj, options, mnfdDefault, mxfdDefault, notation ), https://tc39.es/proposal-intl-numberformat-v3/out/numberformat/proposed.html#sec-setnfdigitoptions
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ThrowCompletionOr<void> set_number_format_digit_options(GlobalObject& global_object, NumberFormatBase& intl_object, Object const& options, int default_min_fraction_digits, int default_max_fraction_digits, NumberFormat::Notation notation)
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{
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auto& vm = global_object.vm();
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@ -218,46 +258,66 @@ ThrowCompletionOr<void> set_number_format_digit_options(GlobalObject& global_obj
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// 6. Set intlObj.[[MinimumIntegerDigits]] to mnid.
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intl_object.set_min_integer_digits(*min_integer_digits);
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// 7. If mnsd is not undefined or mxsd is not undefined, then
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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(global_object, 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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// a. Let hasSd be true.
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// 8. Else,
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// 9. 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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// 9. If mnfd is not undefined or mxfd is not undefined, then
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// 10. If mnfd is not undefined or mxfd is not undefined, then
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// a. Let hasFd be true.
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// 10. Else,
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// 11. 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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// 11. Let needSd be hasSd.
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bool need_significant_digits = has_significant_digits;
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// 12. Let needSd be true.
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bool need_significant_digits = true;
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// 12. If hasSd is true, or hasFd is false and notation is "compact", then
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// a. Let needFd be false.
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// 13. Else,
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// a. Let needFd be true.
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bool need_fraction_digits = !has_significant_digits && (has_fraction_digits || (notation != NumberFormat::Notation::Compact));
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// 13. Let needFd be true.
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bool need_fraction_digits = true;
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// 14. If needSd is true, then
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if (need_significant_digits) {
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// a. Assert: hasSd is true.
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VERIFY(has_significant_digits);
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// 14. If roundingPriority is "auto", then
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if (rounding_priority.as_string().string() == "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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// b. Set mnsd to ? DefaultNumberOption(mnsd, 1, 21, 1).
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auto min_digits = TRY(default_number_option(global_object, min_significant_digits, 1, 21, 1));
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// c. Set mxsd to ? DefaultNumberOption(mxsd, mnsd, 21, 21).
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auto max_digits = TRY(default_number_option(global_object, max_significant_digits, *min_digits, 21, 21));
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// d. Set intlObj.[[MinimumSignificantDigits]] to mnsd.
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intl_object.set_min_significant_digits(*min_digits);
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// e. Set intlObj.[[MaximumSignificantDigits]] to mxsd.
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intl_object.set_max_significant_digits(*max_digits);
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// b. If hasSd is true, or hasFd is false and notation is "compact", then
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if (has_significant_digits || (!has_fraction_digits && notation == NumberFormat::Notation::Compact)) {
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// i. Set needFd to false.
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need_fraction_digits = false;
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}
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}
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// 15. If needFd is true, then
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// 15. 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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// i. Set mnsd to ? DefaultNumberOption(mnsd, 1, 21, 1).
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auto min_digits = TRY(default_number_option(global_object, min_significant_digits, 1, 21, 1));
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// ii. Set mxsd to ? DefaultNumberOption(mxsd, mnsd, 21, 21).
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auto max_digits = TRY(default_number_option(global_object, max_significant_digits, *min_digits, 21, 21));
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// iii. Set intlObj.[[MinimumSignificantDigits]] to mnsd.
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intl_object.set_min_significant_digits(*min_digits);
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// iv. Set intlObj.[[MaximumSignificantDigits]] to mxsd.
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intl_object.set_max_significant_digits(*max_digits);
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}
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// b. Else,
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else {
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// i. Set intlObj.[[MinimumSignificantDigits]] to 1.
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intl_object.set_min_significant_digits(1);
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// ii. Set intlObj.[[MaximumSignificantDigits]] to 21.
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intl_object.set_max_significant_digits(21);
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}
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}
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// 16. 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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@ -293,20 +353,46 @@ ThrowCompletionOr<void> set_number_format_digit_options(GlobalObject& global_obj
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}
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}
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// 16. If needSd is false and needFd is false, then
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if (!need_significant_digits && !need_fraction_digits) {
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// a. Set intlObj.[[RoundingType]] to compactRounding.
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intl_object.set_rounding_type(NumberFormatBase::RoundingType::CompactRounding);
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}
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// 17. Else if hasSd is true, then
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else if (has_significant_digits) {
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// a. Set intlObj.[[RoundingType]] to significantDigits.
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intl_object.set_rounding_type(NumberFormatBase::RoundingType::SignificantDigits);
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// 17. If needSd is true or needFd is true, then
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if (need_significant_digits || need_fraction_digits) {
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// a. If roundingPriority is "morePrecision", then
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if (rounding_priority.as_string().string() == "morePrecision"sv) {
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// i. Set intlObj.[[RoundingType]] to morePrecision.
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intl_object.set_rounding_type(NumberFormatBase::RoundingType::MorePrecision);
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}
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// b. Else if roundingPriority is "lessPrecision", then
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else if (rounding_priority.as_string().string() == "lessPrecision"sv) {
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// i. Set intlObj.[[RoundingType]] to lessPrecision.
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intl_object.set_rounding_type(NumberFormatBase::RoundingType::LessPrecision);
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}
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// c. Else if hasSd is true, then
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else if (has_significant_digits) {
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// i. Set intlObj.[[RoundingType]] to significantDigits.
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intl_object.set_rounding_type(NumberFormatBase::RoundingType::SignificantDigits);
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}
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// d. Else,
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else {
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// i. Set intlObj.[[RoundingType]] to fractionDigits.
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intl_object.set_rounding_type(NumberFormatBase::RoundingType::FractionDigits);
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}
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}
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// 18. Else,
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else {
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// a. Set intlObj.[[RoundingType]] to fractionDigits.
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intl_object.set_rounding_type(NumberFormatBase::RoundingType::FractionDigits);
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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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// b. Set intlObj.[[MinimumFractionDigits]] to 0.
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intl_object.set_min_fraction_digits(0);
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// c. Set intlObj.[[MaximumFractionDigits]] to 0.
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intl_object.set_max_fraction_digits(0);
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// d. Set intlObj.[[MinimumSignificantDigits]] to 1.
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intl_object.set_min_significant_digits(1);
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// e. Set intlObj.[[MaximumSignificantDigits]] to 2.
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intl_object.set_max_significant_digits(2);
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}
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return {};
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