adapt plugin to notify v5

Cargo.lock

@@ -2303,10 +2303,22 @@ dependencies = [
  "kqueue",
  "libc",
  "mio",
+ "serde",
  "walkdir",
  "winapi",
 ]
 
+[[package]]
+name = "notify-debouncer-mini"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e23e9fa24f094b143c1eb61f90ac6457de87be6987bc70746e0179f7dbc9007b"
+dependencies = [
+ "crossbeam-channel",
+ "notify",
+ "serde",
+]
+
 [[package]]
 name = "nu-ansi-term"
 version = "0.46.0"
@@ -4048,6 +4060,7 @@ version = "0.1.0"
 dependencies = [
  "log",
  "notify",
+ "notify-debouncer-mini",
  "serde",
  "serde_json",
  "tauri",

plugins/fs-watch/Cargo.toml

@@ -15,4 +15,5 @@ serde_json.workspace = true
 tauri.workspace = true
 log.workspace = true
 thiserror.workspace = true
-notify = "5.0"
+notify = { version = "5.0" , features = ["serde"] }
+notify-debouncer-mini = { version = "0.2.1" , features = ["serde"] }

plugins/fs-watch/guest-js/index.ts

@@ -1,6 +1,6 @@
-import { invoke } from "@tauri-apps/api/tauri";
+import { invoke } from '@tauri-apps/api/tauri';
-import { UnlistenFn } from "@tauri-apps/api/event";
+import { UnlistenFn } from '@tauri-apps/api/event';
-import { appWindow, WebviewWindow } from "@tauri-apps/api/window";
+import { appWindow, WebviewWindow } from '@tauri-apps/api/window';
 
 const w: WebviewWindow = appWindow;
 
@@ -12,39 +12,42 @@ export interface DebouncedWatchOptions extends WatchOptions {
     delayMs?: number;
 }
 
-export interface RawEvent {
+export type RawEvent = {
-  path: string | null;
+    type: RawEventKind;
-  operation: number;
+    paths: string[];
-  cookie: number | null;
+    attrs: unknown;
+};
+
+type RawEventKind =
+    | 'any '
+    | {
+          access?: unknown;
+      }
+    | {
+          create?: unknown;
+      }
+    | {
+          modify?: unknown;
+      }
+    | {
+          remove?: unknown;
       }
+    | 'other';
 
-export type DebouncedEvent =
+export type DebouncedEvent = { kind: 'any'; path: string } | { kind: 'AnyContinous'; path: string };
-  | { type: "NoticeWrite"; payload: string }
-  | { type: "NoticeRemove"; payload: string }
-  | { type: "Create"; payload: string }
-  | { type: "Write"; payload: string }
-  | { type: "Chmod"; payload: string }
-  | { type: "Remove"; payload: string }
-  | { type: "Rename"; payload: string }
-  | { type: "Rescan"; payload: null }
-  | { type: "Error"; payload: { error: string; path: string | null } };
 
 async function unwatch(id: number): Promise<void> {
-  await invoke("plugin:fs-watch|unwatch", { id });
+    await invoke('plugin:fs-watch|unwatch', { id });
 }
 
-export async function watch(
+export async function watch(paths: string | string[], options: DebouncedWatchOptions, cb: (event: DebouncedEvent) => void): Promise<UnlistenFn> {
-  paths: string | string[],
-  options: DebouncedWatchOptions,
-  cb: (event: DebouncedEvent) => void
-): Promise<UnlistenFn> {
     const opts = {
         recursive: false,
         delayMs: 2000,
         ...options,
     };
     let watchPaths;
-  if (typeof paths === "string") {
+    if (typeof paths === 'string') {
         watchPaths = [paths];
     } else {
         watchPaths = paths;
@@ -52,18 +55,15 @@ export async function watch(
 
     const id = window.crypto.getRandomValues(new Uint32Array(1))[0];
 
-  await invoke("plugin:fs-watch|watch", {
+    await invoke('plugin:fs-watch|watch', {
         id,
         paths: watchPaths,
         options: opts,
     });
 
-  const unlisten = await w.listen<DebouncedEvent>(
+    const unlisten = await w.listen<DebouncedEvent>(`watcher://debounced-event/${id}`, (event) => {
-    `watcher://debounced-event/${id}`,
-    (event) => {
         cb(event.payload);
-    }
+    });
-  );
 
     return () => {
         void unwatch(id);
@@ -71,18 +71,14 @@ export async function watch(
     };
 }
 
-export async function watchImmediate(
+export async function watchImmediate(paths: string | string[], options: WatchOptions, cb: (event: RawEvent) => void): Promise<UnlistenFn> {
-  paths: string | string[],
-  options: WatchOptions,
-  cb: (event: RawEvent) => void
-): Promise<UnlistenFn> {
     const opts = {
         recursive: false,
         ...options,
         delayMs: null,
     };
     let watchPaths;
-  if (typeof paths === "string") {
+    if (typeof paths === 'string') {
         watchPaths = [paths];
     } else {
         watchPaths = paths;
@@ -90,18 +86,15 @@ export async function watchImmediate(
 
     const id = window.crypto.getRandomValues(new Uint32Array(1))[0];
 
-  await invoke("plugin:fs-watch|watch", {
+    await invoke('plugin:fs-watch|watch', {
         id,
         paths: watchPaths,
         options: opts,
     });
 
-  const unlisten = await w.listen<RawEvent>(
+    const unlisten = await w.listen<RawEvent>(`watcher://raw-event/${id}`, (event) => {
-    `watcher://raw-event/${id}`,
-    (event) => {
         cb(event.payload);
-    }
+    });
-  );
 
     return () => {
         void unwatch(id);

plugins/fs-watch/src/lib.rs

@@ -1,7 +1,5 @@
-use notify::{
+use notify::{Config, Event, RecommendedWatcher, RecursiveMode, Watcher};
-    raw_watcher, watcher, DebouncedEvent, Op, RawEvent, RecommendedWatcher, RecursiveMode,
+use notify_debouncer_mini::{new_debouncer, DebounceEventResult, Debouncer};
-    Watcher as _,
-};
 use serde::{ser::Serializer, Deserialize, Serialize};
 use tauri::{
     command,
@@ -39,72 +37,33 @@ impl Serialize for Error {
 }
 
 #[derive(Default)]
-struct WatcherCollection(Mutex<HashMap<Id, (RecommendedWatcher, Vec<PathBuf>)>>);
+struct WatcherCollection(Mutex<HashMap<Id, (WatcherKind, Vec<PathBuf>)>>);
-
-#[derive(Clone, Serialize)]
-struct RawEventWrapper {
-    path: Option<PathBuf>,
-    operation: u32,
-    cookie: Option<u32>,
-}
 
-#[derive(Clone, Serialize)]
+enum WatcherKind {
-#[serde(tag = "type", content = "payload")]
+    Debouncer(Debouncer<RecommendedWatcher>),
-enum DebouncedEventWrapper {
+    Watcher(RecommendedWatcher),
-    NoticeWrite(PathBuf),
-    NoticeRemove(PathBuf),
-    Create(PathBuf),
-    Write(PathBuf),
-    Chmod(PathBuf),
-    Remove(PathBuf),
-    Rename(PathBuf, PathBuf),
-    Rescan,
-    Error {
-        error: String,
-        path: Option<PathBuf>,
-    },
-}
-
-impl From<DebouncedEvent> for DebouncedEventWrapper {
-    fn from(event: DebouncedEvent) -> Self {
-        match event {
-            DebouncedEvent::NoticeWrite(path) => Self::NoticeWrite(path),
-            DebouncedEvent::NoticeRemove(path) => Self::NoticeRemove(path),
-            DebouncedEvent::Create(path) => Self::Create(path),
-            DebouncedEvent::Write(path) => Self::Write(path),
-            DebouncedEvent::Chmod(path) => Self::Chmod(path),
-            DebouncedEvent::Remove(path) => Self::Remove(path),
-            DebouncedEvent::Rename(from, to) => Self::Rename(from, to),
-            DebouncedEvent::Rescan => Self::Rescan,
-            DebouncedEvent::Error(error, path) => Self::Error {
-                error: error.to_string(),
-                path,
-            },
-        }
-    }
 }
 
-fn watch_raw<R: Runtime>(window: Window<R>, rx: Receiver<RawEvent>, id: Id) {
+fn watch_raw<R: Runtime>(window: Window<R>, rx: Receiver<notify::Result<Event>>, id: Id) {
     spawn(move || {
         let event_name = format!("watcher://raw-event/{}", id);
         while let Ok(event) = rx.recv() {
-            let _ = window.emit(
+            if let Ok(event) = event {
-                &event_name,
+                // TODO: Should errors be emitted too?
-                RawEventWrapper {
+                let _ = window.emit(&event_name, event);
-                    path: event.path,
+            }
-                    operation: event.op.unwrap_or_else(|_| Op::empty()).bits(),
-                    cookie: event.cookie,
-                },
-            );
         }
     });
 }
 
-fn watch_debounced<R: Runtime>(window: Window<R>, rx: Receiver<DebouncedEvent>, id: Id) {
+fn watch_debounced<R: Runtime>(window: Window<R>, rx: Receiver<DebounceEventResult>, id: Id) {
     spawn(move || {
         let event_name = format!("watcher://debounced-event/{}", id);
         while let Ok(event) = rx.recv() {
-            let _ = window.emit(&event_name, DebouncedEventWrapper::from(event));
+            if let Ok(event) = event {
+                // TODO: Should errors be emitted too?
+                let _ = window.emit(&event_name, event);
+            }
         }
     });
 }
@@ -132,20 +91,21 @@ async fn watch<R: Runtime>(
 
     let watcher = if let Some(delay) = options.delay_ms {
         let (tx, rx) = channel();
-        let mut watcher = watcher(tx, Duration::from_millis(delay))?;
+        let mut debouncer = new_debouncer(Duration::from_millis(delay), None, tx)?;
+        let watcher = debouncer.watcher();
         for path in &paths {
             watcher.watch(path, mode)?;
         }
         watch_debounced(window, rx, id);
-        watcher
+        WatcherKind::Debouncer(debouncer)
     } else {
         let (tx, rx) = channel();
-        let mut watcher = raw_watcher(tx)?;
+        let mut watcher = RecommendedWatcher::new(tx, Config::default())?;
         for path in &paths {
             watcher.watch(path, mode)?;
         }
         watch_raw(window, rx, id);
-        watcher
+        WatcherKind::Watcher(watcher)
     };
 
     watchers.0.lock().unwrap().insert(id, (watcher, paths));
@@ -155,11 +115,20 @@ async fn watch<R: Runtime>(
 
 #[command]
 async fn unwatch(watchers: State<'_, WatcherCollection>, id: Id) -> Result<()> {
-    if let Some((mut watcher, paths)) = watchers.0.lock().unwrap().remove(&id) {
+    if let Some((watcher, paths)) = watchers.0.lock().unwrap().remove(&id) {
+        match watcher {
+            WatcherKind::Debouncer(mut debouncer) => {
+                for path in paths {
+                    debouncer.watcher().unwatch(&path)?
+                }
+            }
+            WatcherKind::Watcher(mut watcher) => {
                 for path in paths {
-            watcher.unwatch(path)?;
+                    watcher.unwatch(&path)?
                 }
             }
+        };
+    }
     Ok(())
 }