fix web performance

This commit is contained in:
2026-08-31 21:11:18 +07:00
parent 070c6a7e87
commit f7f1ea7438
9 changed files with 153 additions and 84 deletions
Generated
+3
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@@ -1445,6 +1445,7 @@ dependencies = [
"gpui_platform",
"gpui_web",
"instant",
"js-sys",
"log",
"person",
"settings",
@@ -1455,6 +1456,7 @@ dependencies = [
"universal-time 0.3.1 (git+https://github.com/shadowylab/universal-time)",
"wasm-bindgen",
"wasm-bindgen-futures",
"web-sys",
"workspace",
]
@@ -4982,6 +4984,7 @@ dependencies = [
"anyhow",
"common",
"flume 0.11.1",
"futures",
"gpui",
"instant",
"log",
+28 -24
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@@ -290,33 +290,37 @@ impl ChatRegistry {
self.signal_consumer = Some(cx.spawn(async move |this, cx| {
while let Ok(message) = rx.recv_async().await {
match message {
Signal::Message(message) => {
this.update(cx, |this, cx| {
this.new_message(message, cx);
})?;
this.update(cx, |this, cx| {
// Drain the whole queue in a single update so a burst of
// events (e.g. history sync after login) collapses into
// one repaint instead of one per message (important on
// wasm, where everything runs on the main thread).
let mut batch = vec![message];
while let Ok(extra) = rx.try_recv() {
batch.push(extra);
}
Signal::InboxReady => {
this.update(cx, |this, cx| {
this.get_messages(cx);
})?;
}
Signal::Eose => {
this.update(cx, |this, _cx| {
this.tracking.store(false, Ordering::Release);
})?;
this.update(cx, |this, cx| {
this.get_rooms(cx);
})?;
for message in batch {
match message {
Signal::Message(message) => {
this.new_message(message, cx);
}
Signal::InboxReady => {
this.get_messages(cx);
}
Signal::Eose => {
this.tracking.store(false, Ordering::Release);
this.get_rooms(cx);
}
Signal::Error(failed) => {
let _ = trash.update(cx, |this, cx| {
this.insert(failed);
cx.notify();
});
}
};
}
Signal::Error(failed) => {
trash.update(cx, |this, cx| {
this.insert(failed);
cx.notify();
})?;
}
};
})?;
}
Ok(())
+30 -19
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@@ -242,29 +242,40 @@ impl ChatPanel {
while let Ok(status) = rx.recv_async().await {
{
let mut map = reports.write().unwrap();
let status_id = match &*status {
SendStatus::Ok { id, .. } => *id,
SendStatus::Failed { id, .. } => *id,
};
// Find the matching report and update it (exit early on first match)
'outer: for reports_list in map.values_mut() {
for report in reports_list.iter_mut() {
let Some(output) = report.output.as_mut() else {
continue;
};
if *output.id() != status_id {
continue;
}
match &*status {
SendStatus::Ok { relay, .. } => {
output.success.insert(relay.clone(), EventSendStatus::Sent);
// Drain the whole queue in a single update so bursts of
// send statuses collapse into one repaint (important on
// wasm, where everything runs on the main thread).
let mut statuses = vec![status];
while let Ok(extra) = rx.try_recv() {
statuses.push(extra);
}
for status in statuses {
let status_id = match &*status {
SendStatus::Ok { id, .. } => *id,
SendStatus::Failed { id, .. } => *id,
};
// Find the matching report and update it (exit early on first match)
'outer: for reports_list in map.values_mut() {
for report in reports_list.iter_mut() {
let Some(output) = report.output.as_mut() else {
continue;
};
if *output.id() != status_id {
continue;
}
SendStatus::Failed { relay, message, .. } => {
output.failed.insert(relay.clone(), message.clone());
match &*status {
SendStatus::Ok { relay, .. } => {
output.success.insert(relay.clone(), EventSendStatus::Sent);
}
SendStatus::Failed { relay, message, .. } => {
output.failed.insert(relay.clone(), message.clone());
}
}
break 'outer;
}
break 'outer;
}
}
}
+1
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@@ -15,3 +15,4 @@ anyhow.workspace = true
smallvec.workspace = true
flume.workspace = true
log.workspace = true
futures.workspace = true
+59 -33
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@@ -3,7 +3,8 @@ use std::sync::RwLock;
use anyhow::{Error, anyhow};
use common::EventExt;
use gpui::{App, AppContext, Context, Entity, Global, Task, Window};
use futures::FutureExt;
use gpui::{App, AppContext, BackgroundExecutor, Context, Entity, Global, Task, Window};
use instant::Duration;
use nostr_sdk::prelude::*;
use smallvec::{SmallVec, smallvec};
@@ -72,24 +73,36 @@ impl PersonRegistry {
}));
let client3 = client.clone();
let executor = cx.background_executor().clone();
tasks.push(cx.background_spawn(async move {
Self::handle_requests(&client3, &metadata_rx).await;
Self::handle_requests(&client3, &metadata_rx, &executor).await;
}));
tasks.push(cx.spawn(async move |this, cx| {
while let Ok(event) = rx.recv_async().await {
this.update(cx, |this, cx| {
match event {
Dispatch::Person(person) => {
this.insert(person, cx);
}
Dispatch::Announcement(event) => {
this.set_announcement(&event, cx);
}
Dispatch::Relays(event) => {
this.set_messaging_relays(&event, cx);
}
};
// Drain the whole queue in a single update so a burst of
// events collapses into one repaint instead of one per
// event (important on wasm, where everything runs on the
// main thread).
let mut dispatch = vec![event];
while let Ok(extra) = rx.try_recv() {
dispatch.push(extra);
}
for event in dispatch {
match event {
Dispatch::Person(person) => {
this.insert(person, cx);
}
Dispatch::Announcement(event) => {
this.set_announcement(&event, cx);
}
Dispatch::Relays(event) => {
this.set_messaging_relays(&event, cx);
}
};
}
})
.ok();
}
@@ -156,30 +169,43 @@ impl PersonRegistry {
}
/// Handle request for metadata
async fn handle_requests(client: &Client, rx: &flume::Receiver<PublicKey>) {
///
/// Requests are collected into batches and flushed when the batch is
/// full or the timeout expires.
///
/// Note: `flume::Selector::wait_timeout` is intentionally not used here:
/// it relies on `std::time::Instant` and `thread::park_timeout`, which are
/// unavailable on `wasm32-unknown-unknown` (the former panics, the latter
/// is a no-op that would turn the wait into a busy loop on the main
/// thread).
async fn handle_requests(
client: &Client,
rx: &flume::Receiver<PublicKey>,
executor: &BackgroundExecutor,
) {
let mut batch: HashSet<PublicKey> = HashSet::new();
loop {
match flume::Selector::new()
.recv(rx, |result| result.ok())
.wait_timeout(Duration::from_secs(TIMEOUT))
// Wait for the next request, or the batch timeout.
futures::select! {
result = rx.recv_async() => match result {
Ok(public_key) => {
batch.insert(public_key);
// Keep collecting until the batch is full
if batch.len() < 20 {
continue;
}
}
Err(_) => return,
},
_ = executor.timer(Duration::from_secs(TIMEOUT)).fuse() => {}
}
// Flush the batch
if !batch.is_empty()
&& let Err(e) = get_metadata(client, std::mem::take(&mut batch)).await
{
Ok(Some(public_key)) => {
batch.insert(public_key);
// Process the batch if it's full
if batch.len() >= 20
&& let Err(e) = get_metadata(client, std::mem::take(&mut batch)).await
{
log::warn!("Failed to get metadata batch: {e}");
}
}
_ => {
if !batch.is_empty()
&& let Err(e) = get_metadata(client, std::mem::take(&mut batch)).await
{
log::warn!("Failed to get metadata batch: {e}");
}
}
log::warn!("Failed to get metadata batch: {e}");
}
}
}
+17 -3
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@@ -105,7 +105,21 @@ impl Person {
/// Get profile avatar
pub fn avatar(&self) -> SharedString {
self.metadata()
// On web, the browser blocks cross-origin image fetches unless the
// picture host sends CORS headers, so remote avatars can never load
// there. Each doomed fetch still triggers a full-window repaint when
// it fails, which is very costly on wasm's single main thread when a
// list renders many avatars at once. Fall back to the bundled avatar
// for remote pictures on web.
#[cfg(target_arch = "wasm32")]
if let Some(picture) = self.metadata.picture.as_ref()
&& !picture.is_empty()
&& url::Url::parse(picture).is_ok_and(|url| matches!(url.scheme(), "http" | "https"))
{
return "brand/avatar.png".into();
}
self.metadata
.picture
.as_ref()
.filter(|picture| !picture.is_empty())
@@ -115,13 +129,13 @@ impl Person {
/// Get profile name
pub fn name(&self) -> SharedString {
if let Some(display_name) = self.metadata().display_name.as_ref()
if let Some(display_name) = self.metadata.display_name.as_ref()
&& !display_name.is_empty()
{
return SharedString::from(display_name.trim());
}
if let Some(name) = self.metadata().name.as_ref()
if let Some(name) = self.metadata.name.as_ref()
&& !name.is_empty()
{
return SharedString::from(name.trim());
+2
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@@ -31,6 +31,8 @@ tracing-wasm = "0.2"
console_log = "1.0"
wasm-bindgen = "0.2"
wasm-bindgen-futures = "0.4"
js-sys = "0.3"
web-sys = { version = "0.3", features = ["Window", "Performance"] }
universal-time = { git = "https://github.com/shadowylab/universal-time" }
[target.'cfg(target_arch = "wasm32")'.dependencies]
+10 -2
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@@ -11,13 +11,21 @@ struct CustomTimeProvider;
impl WallClock for CustomTimeProvider {
fn system_time(&self) -> SystemTime {
SystemTime::from_unix_duration(instant::Duration::from_secs(0))
// Browser wall clock: milliseconds since the Unix epoch.
let millis = js_sys::Date::now();
SystemTime::from_unix_duration(instant::Duration::from_millis(millis as u64))
}
}
impl MonotonicClock for CustomTimeProvider {
fn instant(&self) -> Instant {
Instant::from_ticks(instant::Duration::from_secs(0))
// `performance.now()` is monotonic; fall back to the wall clock if
// it's unavailable.
let millis = web_sys::window()
.and_then(|window| window.performance())
.map(|performance| performance.now())
.unwrap_or_else(js_sys::Date::now);
Instant::from_ticks(instant::Duration::from_millis(millis as u64))
}
}
+3 -3
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@@ -10,11 +10,11 @@ export default defineConfig({
viteStaticCopy({
targets: [
{
src: path.resolve(__dirname, "../../../assets/icons"),
src: path.resolve(__dirname, "../../assets/icons"),
dest: "assets",
},
{
src: path.resolve(__dirname, "../../../assets/brand"),
src: path.resolve(__dirname, "../../assets/brand"),
dest: "assets",
},
],
@@ -25,7 +25,7 @@ export default defineConfig({
server.middlewares.use(
"/assets",
(req, res, next) => {
const assetsPath = path.resolve(__dirname, "../../../assets");
const assetsPath = path.resolve(__dirname, "../../assets");
const filePath = path.join(
assetsPath,
req.url.replace("/assets", ""),