Fixing issue with Cloudflare Workers when using now(): "LinkError: We…

…bAssembly.Instance(): Import uuid-rs#9 module="./index_bg.js" function="__wbg_now_dc6f7ce2227b5592" error: function import requires a callable"

Similar issue: rustwasm/gloo#249

src/timestamp.rs

@@ -262,25 +262,25 @@ pub(crate) const fn decode_unix_timestamp_millis(uuid: &Uuid) -> u64 {
     millis
 }
 
-#[cfg(all(feature = "std", feature = "js", target = "wasm32-unknown-unknown"))]
+#[cfg(all(feature = "std", feature = "js", all(target_arch = "wasm32", target_vendor = "unknown", target_os = "unknown")))]
 fn now() -> (u64, u32) {
     use wasm_bindgen::prelude::*;
 
     #[wasm_bindgen]
     extern "C" {
-        #[wasm_bindgen(js_namespace = Date)]
-        fn now() -> f64;
+        #[wasm_bindgen(js_namespace = Date, catch)]
+        fn now() -> Result<f64, JsValue>;
     }
 
-    let now = now();
+    let now = now().unwrap_throw();
 
     let secs = (now / 1_000.0) as u64;
     let nanos = ((now % 1_000.0) * 1_000_000.0) as u32;
 
     dbg!((secs, nanos))
 }
 
-#[cfg(all(feature = "std", any(not(feature = "js"), not(target = "wasm32-unknown-unknown"))))]
+#[cfg(all(feature = "std", any(not(feature = "js"), not(all(target_arch = "wasm32", target_vendor = "unknown", target_os = "unknown")))))]
 fn now() -> (u64, u32) {
     let dur = std::time::SystemTime::UNIX_EPOCH
         .elapsed()