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LibJS: Implement Temporal.Duration.prototype.toJSON()

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This commit is contained in:
Linus Groh 2021-11-07 01:46:15 +00:00
parent b2548393d2
commit 90fa356b93
3 changed files with 32 additions and 0 deletions
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12
Userland/Libraries/LibJS/Runtime/Temporal/DurationPrototype.cpp
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@ -46,6 +46,7 @@ void DurationPrototype::initialize(GlobalObject& global_object)
define_native_function(vm.names.negated, negated, 0, attr);
define_native_function(vm.names.abs, abs, 0, attr);
define_native_function(vm.names.toString, to_string, 0, attr);
define_native_function(vm.names.toJSON, to_json, 0, attr);
define_native_function(vm.names.valueOf, value_of, 0, attr);
}
@ -311,6 +312,17 @@ JS_DEFINE_NATIVE_FUNCTION(DurationPrototype::to_string)
return js_string(vm, temporal_duration_to_string(result.years, result.months, result.weeks, result.days, result.hours, result.minutes, result.seconds, result.milliseconds, result.microseconds, result.nanoseconds, precision.precision));
}
// 7.3.23 Temporal.Duration.prototype.toJSON ( ), https://tc39.es/proposal-temporal/#sec-temporal.duration.prototype.tojson
JS_DEFINE_NATIVE_FUNCTION(DurationPrototype::to_json)
{
// 1. Let duration be the this value.
// 2. Perform ? RequireInternalSlot(duration, [[InitializedTemporalDuration]]).
auto* duration = TRY(typed_this_object(global_object));
// 3. Return ! TemporalDurationToString(duration.[[Years]], duration.[[Months]], duration.[[Weeks]], duration.[[Days]], duration.[[Hours]], duration.[[Minutes]], duration.[[Seconds]], duration.[[Milliseconds]], duration.[[Microseconds]], duration.[[Nanoseconds]], "auto").
return js_string(vm, temporal_duration_to_string(duration->years(), duration->months(), duration->weeks(), duration->days(), duration->hours(), duration->minutes(), duration->seconds(), duration->milliseconds(), duration->microseconds(), duration->nanoseconds(), "auto"sv));
}
// 7.3.25 Temporal.Duration.prototype.valueOf ( ), https://tc39.es/proposal-temporal/#sec-temporal.duration.prototype.valueof
JS_DEFINE_NATIVE_FUNCTION(DurationPrototype::value_of)
{

1
Userland/Libraries/LibJS/Runtime/Temporal/DurationPrototype.h
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@ -36,6 +36,7 @@ private:
JS_DECLARE_NATIVE_FUNCTION(negated);
JS_DECLARE_NATIVE_FUNCTION(abs);
JS_DECLARE_NATIVE_FUNCTION(to_string);
JS_DECLARE_NATIVE_FUNCTION(to_json);
JS_DECLARE_NATIVE_FUNCTION(value_of);
};

19
Userland/Libraries/LibJS/Tests/builtins/Temporal/Duration/Duration.prototype.toJSON.js Normal file
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@ -0,0 +1,19 @@
describe("correct behavior", () => {
test("length is 0", () => {
expect(Temporal.Duration.prototype.toJSON).toHaveLength(0);
});
test("basic functionality", () => {
expect(new Temporal.Duration(1, 2, 3, 4, 5, 6, 7, 8, 9, 10).toJSON()).toBe(
"P1Y2M3W4DT5H6M7.00800901S"
);
});
});
describe("errors", () => {
test("this value must be a Temporal.Duration object", () => {
expect(() => {
Temporal.Duration.prototype.toJSON.call("foo");
}).toThrowWithMessage(TypeError, "Not an object of type Temporal.Duration");
});
});