1 files changed, 27 insertions, 0 deletions
diff --git a/vendor/time/src/interop/js_sys_date_offsetdatetime.rs b/vendor/time/src/interop/js_sys_date_offsetdatetime.rs
new file mode 100644
index 00000000..ecbd601e
--- /dev/null
+++ b/vendor/time/src/interop/js_sys_date_offsetdatetime.rs
@@ -0,0 +1,27 @@
+use num_conv::prelude::*;
+
+use crate::convert::*;
+use crate::OffsetDateTime;
+
+impl From<js_sys::Date> for OffsetDateTime {
+    /// # Panics
+    ///
+    /// This may panic if the timestamp can not be represented.
+    fn from(js_date: js_sys::Date) -> Self {
+        // get_time() returns milliseconds
+        let timestamp_nanos = js_date.get_time() as i128
+            * Nanosecond::per(Millisecond).cast_signed().extend::<i128>();
+        Self::from_unix_timestamp_nanos(timestamp_nanos)
+            .expect("invalid timestamp: Timestamp cannot fit in range")
+    }
+}
+
+impl From<OffsetDateTime> for js_sys::Date {
+    fn from(datetime: OffsetDateTime) -> Self {
+        // new Date() takes milliseconds
+        let timestamp = (datetime.unix_timestamp_nanos()
+            / Nanosecond::per(Millisecond).cast_signed().extend::<i128>())
+            as f64;
+        Self::new(&timestamp.into())
+    }
+}