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LibJS: Allow locale approximately signs to be empty in Intl.NumberFormat

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This is a normative change in the Intl.NumberFormat V3 spec. See:
23e69cf

This isn't particularly testable because every locale in the CLDR has a
non-empty "approximatelySign" field in cldr-numbers-modern. The issue
for this change seems to be considering the "miscPatterns/approximately"
field instead, which has different semantics. But as noted on the CLDR
issue https://unicode-org.atlassian.net/browse/CLDR-14918, the ICU uses
the "approximatelySign" field (as do our implementation).
This commit is contained in:
Timothy Flynn 2023-01-30 09:56:54 -05:00 • committed by Tim Flynn
parent 5b3b14be0a
commit 4475f21e9e
1 changed files with 10 additions and 8 deletions
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18
Userland/Libraries/LibJS/Runtime/Intl/NumberFormat.cpp
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@ -1812,16 +1812,18 @@ ThrowCompletionOr<Vector<PatternPartitionWithSource>> format_approximately(VM& v
{
// 1. Let i be an index into result, determined by an implementation-defined algorithm based on numberFormat and result.
// 2. Let approximatelySign be an ILND String value used to signify that a number is approximate.
auto approximately_sign = TRY_OR_THROW_OOM(vm, ::Locale::get_number_system_symbol(number_format.data_locale(), number_format.numbering_system(), ::Locale::NumericSymbol::ApproximatelySign)).value_or("~"sv);
auto approximately_sign = TRY_OR_THROW_OOM(vm, ::Locale::get_number_system_symbol(number_format.data_locale(), number_format.numbering_system(), ::Locale::NumericSymbol::ApproximatelySign));
// 3. Insert a new Record { [[Type]]: "approximatelySign", [[Value]]: approximatelySign } at index i in result.
PatternPartitionWithSource partition;
partition.type = "approximatelySign"sv;
partition.value = TRY_OR_THROW_OOM(vm, String::from_utf8(approximately_sign));
// 3. If approximatelySign is not empty, insert a new Record { [[Type]]: "approximatelySign", [[Value]]: approximatelySign } at index i in result.
if (approximately_sign.has_value() && !approximately_sign->is_empty()) {
PatternPartitionWithSource partition;
partition.type = "approximatelySign"sv;
partition.value = TRY_OR_THROW_OOM(vm, String::from_utf8(*approximately_sign));
result.insert_before_matching(move(partition), [](auto const& part) {
return part.type.is_one_of("integer"sv, "decimal"sv, "plusSign"sv, "minusSign"sv, "percentSign"sv, "currency"sv);
});
result.insert_before_matching(move(partition), [](auto const& part) {
return part.type.is_one_of("integer"sv, "decimal"sv, "plusSign"sv, "minusSign"sv, "percentSign"sv, "currency"sv);
});
}
// 4. Return result.
return result;