Swap to Duration::round from temporal_rs (#3731)

* Swap to Duration::round from temporal_rs

* Clean up round method and impl From for RoundingMode enum

* Fix build failure

* Fix clippy error

* Respond to comments

* Remove commented line

core/engine/src/builtins/temporal/duration/mod.rs

@@ -2,7 +2,7 @@
 
 use crate::{
     builtins::{
-        options::{get_option, get_options_object, RoundingMode},
+        options::{get_option, get_options_object},
         BuiltInBuilder, BuiltInConstructor, BuiltInObject, IntrinsicObject,
     },
     context::intrinsics::{Intrinsics, StandardConstructor, StandardConstructors},
@@ -15,7 +15,10 @@ use crate::{
 };
 use boa_gc::{Finalize, Trace};
 use boa_profiler::Profiler;
-use temporal_rs::{components::Duration as InnerDuration, options::TemporalUnit};
+use temporal_rs::{
+    components::Duration as InnerDuration,
+    options::{RelativeTo, TemporalRoundingMode, TemporalUnit},
+};
 
 use super::{
     options::{get_temporal_rounding_increment, get_temporal_unit, TemporalUnitGroup},
@@ -590,7 +593,6 @@ impl Duration {
             .into())
     }
 
-    // TODO: Migrate to `temporal_rs's Duration::round`
     /// 7.3.20 `Temporal.Duration.prototype.round ( roundTo )`
     pub(crate) fn round(
         this: &JsValue,
@@ -599,7 +601,7 @@ impl Duration {
     ) -> JsResult<JsValue> {
         // 1. Let duration be the this value.
         // 2. Perform ? RequireInternalSlot(duration, [[InitializedTemporalDuration]]).
-        let _duration = this
+        let duration = this
             .as_object()
             .and_then(JsObject::downcast_ref::<Self>)
             .ok_or_else(|| {
@@ -651,15 +653,15 @@ impl Duration {
         // 10. Let relativeToRecord be ? ToRelativeTemporalObject(roundTo).
         // 11. Let zonedRelativeTo be relativeToRecord.[[ZonedRelativeTo]].
         // 12. Let plainRelativeTo be relativeToRecord.[[PlainRelativeTo]].
-        let (_plain_relative_to, _zoned_relative_to) =
+        let (plain_relative_to, zoned_relative_to) =
             super::to_relative_temporal_object(&round_to, context)?;
 
         // 13. Let roundingIncrement be ? ToTemporalRoundingIncrement(roundTo).
-        let _rounding_increment = get_temporal_rounding_increment(&round_to, context)?;
+        let rounding_increment = get_temporal_rounding_increment(&round_to, context)?;
 
         // 14. Let roundingMode be ? ToTemporalRoundingMode(roundTo, "halfExpand").
-        let _rounding_mode = get_option(&round_to, utf16!("roundingMode"), context)?
-            .unwrap_or(RoundingMode::HalfExpand);
+        let rounding_mode =
+            get_option::<TemporalRoundingMode>(&round_to, utf16!("roundingMode"), context)?;
 
         // 15. Let smallestUnit be ? GetTemporalUnit(roundTo, "smallestUnit", datetime, undefined).
         let smallest_unit = get_temporal_unit(
@@ -678,11 +680,18 @@ impl Duration {
                 .with_message("smallestUnit or largestUnit must be present.")
                 .into());
         }
-
-        // NOTE:
-        Err(JsNativeError::range()
-            .with_message("not yet implemented.")
-            .into())
+        let rounded_duration = duration.inner.round(
+            rounding_increment,
+            smallest_unit,
+            largest_unit,
+            rounding_mode,
+            &RelativeTo {
+                date: plain_relative_to.as_ref(),
+                zdt: zoned_relative_to.as_ref(),
+            },
+            context,
+        )?;
+        create_temporal_duration(rounded_duration, None, context).map(Into::into)
     }
 
     /// 7.3.21 `Temporal.Duration.prototype.total ( totalOf )`

core/engine/src/builtins/temporal/mod.rs

@@ -31,14 +31,18 @@ use crate::{
     builtins::{iterable::IteratorRecord, BuiltInBuilder, BuiltInObject, IntrinsicObject},
     context::intrinsics::Intrinsics,
     js_string,
-    property::Attribute,
+    property::{Attribute, PropertyKey},
     realm::Realm,
     string::common::StaticJsStrings,
     value::Type,
-    Context, JsBigInt, JsNativeError, JsObject, JsResult, JsString, JsSymbol, JsValue,
+    Context, JsBigInt, JsError, JsNativeError, JsObject, JsResult, JsString, JsSymbol, JsValue,
 };
+use boa_macros::utf16;
 use boa_profiler::Profiler;
-use temporal_rs::NS_PER_DAY;
+use temporal_rs::{
+    components::{Date as TemporalDate, ZonedDateTime as TemporalZonedDateTime},
+    NS_PER_DAY,
+};
 
 // TODO: Remove in favor of `temporal_rs`
 pub(crate) fn ns_max_instant() -> JsBigInt {
@@ -238,14 +242,27 @@ pub(crate) fn _iterator_to_list_of_types(
 // 13.17 `ValidateTemporalRoundingIncrement ( increment, dividend, inclusive )`
 // Moved to temporal_rs
 
+type RelativeTemporalObjectResult = JsResult<(
+    Option<TemporalDate<JsObject>>,
+    Option<TemporalZonedDateTime<JsObject, JsCustomTimeZone>>,
+)>;
+
 /// 13.21 `ToRelativeTemporalObject ( options )`
 pub(crate) fn to_relative_temporal_object(
-    _options: &JsObject,
-    _context: &mut Context,
-) -> JsResult<(Option<PlainDate>, Option<ZonedDateTime>)> {
-    Err(JsNativeError::range()
-        .with_message("not yet implemented.")
-        .into())
+    options: &JsObject,
+    context: &mut Context,
+) -> RelativeTemporalObjectResult {
+    let relative_to = options.get(PropertyKey::from(utf16!("relativeTo")), context)?;
+    let plain_date = match relative_to {
+        JsValue::String(relative_to_str) => Some(relative_to_str.into()),
+        JsValue::Object(relative_to_obj) => Some(relative_to_obj.into()),
+        _ => None,
+    }
+    .map(|plane_date| Ok::<_, JsError>(to_temporal_date(&plane_date, None, context)?.inner))
+    .transpose()?;
+
+    // TODO: Implement TemporalZonedDateTime conversion when ZonedDateTime is implemented
+    Ok((plain_date, None))
 }
 
 // 13.22 `LargerOfTwoTemporalUnits ( u1, u2 )`

core/engine/src/builtins/temporal/options.rs

@@ -24,15 +24,14 @@ use temporal_rs::options::{
 pub(crate) fn get_temporal_rounding_increment(
     options: &JsObject,
     context: &mut Context,
-) -> JsResult<u32> {
+) -> JsResult<Option<f64>> {
     // 1. Let increment be ? GetOption(normalizedOptions, "roundingIncrement", "number", undefined, 1𝔽).
     let value = options.get(js_string!("roundingIncrement"), context)?;
 
-    let increment = if value.is_undefined() {
-        1.0
-    } else {
-        value.to_number(context)?
-    };
+    if value.is_undefined() {
+        return Ok(None);
+    }
+    let increment = value.to_number(context)?;
 
     // 2. If increment is not finite, throw a RangeError exception.
     if !increment.is_finite() {
@@ -52,7 +51,7 @@ pub(crate) fn get_temporal_rounding_increment(
     }
 
     // 5. Return integerIncrement.
-    Ok(integer_increment as u32)
+    Ok(Some(integer_increment))
 }
 
 /// Gets the `TemporalUnit` from an options object.