Don't use Instant::now on WASM

.github/workflows/ci.yml

@@ -134,9 +134,7 @@ jobs:
           - postgres
         feature:
           - --features rt_tokio_1
-          - --features rt_async-std_1
           - --features serde --features rt_tokio_1
-          - --features serde --features rt_async-std_1
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3

postgres/Cargo.toml

@@ -31,6 +31,9 @@ tokio = { version = "1.29", features = ["rt"] }
 tokio-postgres = { version = "0.7.9", default-features = false }
 tracing = "0.1.37"
 
+[target.'cfg(target_arch = "wasm32")'.dependencies]
+getrandom = { version = "0.2", features = ["js"] }
+
 [dev-dependencies]
 config = { version = "0.14", features = ["json"] }
 dotenvy = "0.15.0"

src/managed/metrics.rs

@@ -1,22 +1,27 @@
+#[cfg(not(target_arch = "wasm32"))]
 use std::time::{Duration, Instant};
 
 /// Statistics regarding an object returned by the pool
 #[derive(Clone, Copy, Debug)]
 #[must_use]
 pub struct Metrics {
+    #[cfg(not(target_arch = "wasm32"))]
     /// The instant when this object was created
     pub created: Instant,
+    #[cfg(not(target_arch = "wasm32"))]
     /// The instant when this object was last used
     pub recycled: Option<Instant>,
     /// The number of times the objects was recycled
     pub recycle_count: usize,
 }
 
 impl Metrics {
+    #[cfg(not(target_arch = "wasm32"))]
     /// Access the age of this object
     pub fn age(&self) -> Duration {
         self.created.elapsed()
     }
+    #[cfg(not(target_arch = "wasm32"))]
     /// Get the time elapsed when this object was last used
     pub fn last_used(&self) -> Duration {
         self.recycled.unwrap_or(self.created).elapsed()
@@ -26,7 +31,9 @@ impl Metrics {
 impl Default for Metrics {
     fn default() -> Self {
         Self {
+            #[cfg(not(target_arch = "wasm32"))]
             created: Instant::now(),
+            #[cfg(not(target_arch = "wasm32"))]
             recycled: None,
             recycle_count: 0,
         }

src/managed/mod.rs

@@ -66,9 +66,12 @@ use std::{
         atomic::{AtomicUsize, Ordering},
         Arc, Mutex, Weak,
     },
-    time::{Duration, Instant},
+    time::Duration,
 };
 
+#[cfg(not(target_arch = "wasm32"))]
+use std::time::Instant;
+
 use deadpool_runtime::Runtime;
 use tokio::sync::{Semaphore, TryAcquireError};
 
@@ -409,7 +412,10 @@ impl<M: Manager, W: From<Object<M>>> Pool<M, W> {
         }
 
         inner.metrics.recycle_count += 1;
-        inner.metrics.recycled = Some(Instant::now());
+        #[cfg(not(target_arch = "wasm32"))]
+        {
+            inner.metrics.recycled = Some(Instant::now());
+        }
 
         Ok(Some(unready_obj.ready()))
     }