matrix_sdk_common/
sleep.rs

1// Copyright 2024 The Matrix.org Foundation C.I.C.
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//     http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15use std::time::Duration;
16
17/// Sleep for the specified duration.
18///
19/// This is a cross-platform sleep implementation that works on both wasm32 and
20/// non-wasm32 targets.
21pub async fn sleep(duration: Duration) {
22    #[cfg(not(target_arch = "wasm32"))]
23    tokio::time::sleep(duration).await;
24
25    #[cfg(target_arch = "wasm32")]
26    gloo_timers::future::TimeoutFuture::new(u32::try_from(duration.as_millis()).unwrap_or_else(
27        |_| {
28            tracing::error!("Sleep duration too long, sleeping for u32::MAX ms");
29            u32::MAX
30        },
31    ))
32    .await;
33}
34
35#[cfg(test)]
36mod tests {
37    use matrix_sdk_test_macros::async_test;
38
39    use super::*;
40
41    #[cfg(target_arch = "wasm32")]
42    wasm_bindgen_test::wasm_bindgen_test_configure!(run_in_browser);
43
44    #[async_test]
45    async fn test_sleep() {
46        // Just test that it doesn't panic
47        sleep(Duration::from_millis(1)).await;
48    }
49}