Bump version

Cargo.toml

@@ -1,11 +1,14 @@
 [package]
 name = "crosstime"
-version = "0.1.0"
+version = "0.1.2"
 edition = "2021"
 
+[features]
+local-offset = [ "time/local-offset" ]
+
 [dependencies]
 time = "0.3"
 
 [target.'cfg(target_arch = "wasm32")'.dependencies]
-wasm-bindgen = "0.2"
+js-sys = "0.3.57"
 

src/lib.rs

@@ -1,18 +1,28 @@
 use time::OffsetDateTime;
 
 #[cfg(target_arch = "wasm32")]
-#[wasm_bindgen::prelude::wasm_bindgen(inline_js = r#"
-export function unix_millis_now() {
-  return Date.now();
-}"#)]
-extern "C" {
-    fn unix_millis_now() -> f64;
+pub fn now_utc() -> OffsetDateTime {
+    return OffsetDateTime::from_unix_timestamp_nanos((js_sys::Date::now() * 1_000_000f64) as i128)
+        .expect("current time outside supported range");
 }
 
+#[cfg(not(target_arch = "wasm32"))]
+#[inline(always)]
 pub fn now_utc() -> OffsetDateTime {
-    #[cfg(target_arch = "wasm32")]
-    return OffsetDateTime::from_unix_timestamp_nanos((unix_millis_now() * 1_000_000f64) as i128)
-        .expect("time outside supported range");
-    #[cfg(not(target_arch = "wasm32"))]
     return OffsetDateTime::now_utc();
 }
+
+#[cfg(feature = "local-offset")]
+#[cfg(target_arch = "wasm32")]
+pub fn current_local_offset() -> Result<time::UtcOffset, time::error::IndeterminateOffset> {
+    // get_timezone_offset is in minutes
+    time::UtcOffset::from_whole_seconds((js_sys::Date::new_0().get_timezone_offset() * 60f64) as i32)
+        .map_err(|_| time::error::IndeterminateOffset)
+}
+
+#[cfg(feature = "local-offset")]
+#[cfg(not(target_arch = "wasm32"))]
+#[inline(always)]
+pub fn current_local_offset() -> Result<time::UtcOffset, time::error::IndeterminateOffset> {
+    time::UtcOffset::current_local_offset()
+}