Switch to wasm-timer for Instant, don't use parking_lot

Author: expenses

Cargo.toml

@@ -15,11 +15,10 @@ Timeouts for futures.
 [dependencies]
 
 [target.wasm32-unknown-unknown.dependencies]
-instant = { version = "0.1.2", features = ["wasm-bindgen"] }
+wasm-timer = "0.2.4"
 wasm-bindgen = "0.2.55"
 futures = "0.3.1"
 web-sys = "0.3.32"
-parking_lot = "0.10.0"
 
 [dev-dependencies]
 async-std = { version = "1.0.1", features = ["attributes"] }

src/global_wasm.rs

@@ -1,5 +1,5 @@
 use futures::task::{self, ArcWake};
-use parking_lot::Mutex;
+use std::sync::Mutex;
 use std::convert::TryFrom;
 use std::future::Future;
 use std::pin::Pin;
@@ -26,10 +26,10 @@ pub(crate) fn run() -> TimerHandle {
 /// processes everything.
 fn schedule_callback(timer: Arc<Mutex<Timer>>, when: Duration) {
     let window = web_sys::window().expect("Unable to access Window");
-    let _ = window
+    window
         .set_timeout_with_callback_and_timeout_and_arguments_0(
             &Closure::once_into_js(move || {
-                let mut timer_lock = timer.lock();
+                let mut timer_lock = timer.lock().unwrap();
 
                 // We start by polling the timer. If any new `Delay` is created, the waker will be used
                 // to wake up this task pre-emptively. As such, we pass a `Waker` that calls

src/lib.rs

@@ -35,6 +35,6 @@ use timer::{ScheduledTimer, Timer, TimerHandle};
 
 pub use self::delay::Delay;
 #[cfg(all(target_arch = "wasm32", target_os = "unknown"))]
-use instant::Instant;
+use wasm_timer::Instant;
 #[cfg(not(all(target_arch = "wasm32", target_os = "unknown")))]
 use std::time::Instant;