From 0cd98084da37f4c28ed5cc73e8abc6684a11dca8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=88=B1=E7=89=B9=E6=AF=8F=E7=BE=8A=E9=98=9F?=
 <t2026104239910027@eduxiji.net>
Date: Wed, 12 Aug 2026 14:27:25 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20Temporal.PlainDateTime.prototype.equals?=
 =?UTF-8?q?=EF=BC=88=E5=AE=9E=E4=BE=8B/=E5=AD=97=E7=AC=A6=E4=B8=B2/?=
 =?UTF-8?q?=E5=AF=B9=E8=B1=A1/ZDT=20=E7=BB=9F=E4=B8=80=E6=AF=94=E8=BE=83?=
 =?UTF-8?q?=EF=BC=8C=E7=BB=91=E5=AE=9A=E6=B3=A8=E5=86=8C=EF=BC=89?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 crates/oxide_builtins/src/temporal.rs         | 15 +++++++++++++++
 crates/oxide_vm/src/bindings/bind_temporal.rs |  5 +++++
 2 files changed, 20 insertions(+)

diff --git a/crates/oxide_builtins/src/temporal.rs b/crates/oxide_builtins/src/temporal.rs
index e02cb12..3edf251 100644
--- a/crates/oxide_builtins/src/temporal.rs
+++ b/crates/oxide_builtins/src/temporal.rs
@@ -2961,6 +2961,21 @@ pub fn plain_date_time_compare<H: VmHost>(vm: &mut H, args: &[u8]) -> NativeResu
     }))
 }
 
+/// `Temporal.PlainDateTime.prototype.equals(other)`：比较日期时间分量是否相等。
+pub fn plain_date_time_equals<H: VmHost>(vm: &mut H, args: &[u8]) -> NativeResult {
+    let (y, m, d, ns) = match plain_date_time_parts(vm, args) {
+        Ok(parts) => parts,
+        Err(e) => return NativeResult::Err(e),
+    };
+    let other_val = if args.len() > 1 { vm.reg(args[1]) } else { JsValue::undefined() };
+    let other = match plain_date_time_like_parts(vm, other_val, true) {
+        Ok(parts) => parts,
+        Err(e) => return NativeResult::Err(e),
+    };
+    let equal = other.0 == y && other.1 == m && other.2 == d && other.3 as u64 == ns as u64;
+    NativeResult::Ok(JsValue::bool(equal))
+}
+
 fn plain_date_time_parts<H: VmHost>(vm: &mut H, args: &[u8]) -> Result<(i32, u32, u32, f64), JsValue> {
     let ptr = receiver_obj(vm, args)?;
     let obj = unsafe { &*ptr };
diff --git a/crates/oxide_vm/src/bindings/bind_temporal.rs b/crates/oxide_vm/src/bindings/bind_temporal.rs
index 9d99cbf..353ce23 100644
--- a/crates/oxide_vm/src/bindings/bind_temporal.rs
+++ b/crates/oxide_vm/src/bindings/bind_temporal.rs
@@ -530,6 +530,11 @@ pub fn bind_temporal(core: &Arc<KernelCore>, session: &KernelSession, global: &m
                 oxide_builtins::temporal::plain_date_time_since::<crate::vm::Vm> as *const (),
                 1,
             ),
+            (
+                "equals",
+                oxide_builtins::temporal::plain_date_time_equals::<crate::vm::Vm> as *const (),
+                1,
+            ),
         ],
     );
     bind_well_known_data_property(