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https://github.com/tauri-apps/tauri.git
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fix(core): fix emit skipping webview listeners if filter wasn't provided (#9107)
* fix(core): fix emit skipping webview listeners if filter wasn't provided * Update .changes/core-emit-js-all-targets.md * update api example --------- Co-authored-by: Lucas Fernandes Nogueira <lucas@tauri.app> Co-authored-by: Lucas Nogueira <lucas@tauri.studio>
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Amr Bashir
GitHub
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5541aafef3
5
.changes/core-emit-js-all-targets.md
Normal file
5
.changes/core-emit-js-all-targets.md
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@ -0,0 +1,5 @@
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---
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'tauri': 'patch:bug'
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---
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Fix `emit` and `emit_to` (when used with `EventTarget::Any`) always skipping the webview listeners.
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@ -16,12 +16,6 @@ use std::{
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},
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};
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#[derive(Debug, Clone, PartialEq, Eq, Hash)]
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struct JsHandler {
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target: EventTarget,
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id: EventId,
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}
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/// What to do with the pending handler when resolving it?
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enum Pending {
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Unlisten(EventId),
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@ -48,6 +42,18 @@ impl Handler {
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}
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}
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#[derive(Debug, Clone, PartialEq, Eq, Hash)]
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struct JsHandler {
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target: EventTarget,
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id: EventId,
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}
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impl JsHandler {
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fn new(target: EventTarget, id: EventId) -> Self {
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Self { target, id }
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}
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}
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type WebviewLabel = String;
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type EventName = String;
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@ -189,23 +195,16 @@ impl Listeners {
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F: Fn(&EventTarget) -> bool,
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{
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let mut maybe_pending = false;
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match self.inner.handlers.try_lock() {
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Err(_) => self.insert_pending(Pending::Emit(emit_args.clone())),
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Ok(lock) => {
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if let Some(handlers) = lock.get(&emit_args.event_name) {
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let handlers: Vec<_> = match filter {
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Some(filter) => handlers
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.iter()
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.filter(|(_, Handler { target, .. })| *target == EventTarget::Any || filter(target))
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.collect(),
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None => handlers.iter().collect(),
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};
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if !handlers.is_empty() {
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let handlers = handlers.iter();
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let handlers = handlers.filter(|(_, h)| match_any_or_filter(&h.target, &filter));
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for (&id, Handler { callback, .. }) in handlers {
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maybe_pending = true;
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for (&id, Handler { callback, .. }) in handlers {
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(callback)(Event::new(id, emit_args.payload.clone()))
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}
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(callback)(Event::new(id, emit_args.payload.clone()))
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}
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}
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}
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@ -236,44 +235,26 @@ impl Listeners {
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.or_default()
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.entry(event.to_string())
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.or_default()
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.insert(JsHandler { id, target });
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.insert(JsHandler::new(target, id));
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}
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pub(crate) fn unlisten_js(&self, id: EventId) {
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let mut listeners = self.inner.js_event_listeners.lock().unwrap();
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let mut empty = None;
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let listeners = listeners.values_mut();
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'outer: for listeners in listeners {
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for (key, handlers) in listeners.iter_mut() {
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let mut found = false;
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handlers.retain(|h| {
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let keep = h.id != id;
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if !found {
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found = !keep
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}
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keep
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});
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pub(crate) fn unlisten_js(&self, event: &str, id: EventId) {
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let mut js_listeners = self.inner.js_event_listeners.lock().unwrap();
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let js_listeners = js_listeners.values_mut();
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for js_listeners in js_listeners {
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if let Some(handlers) = js_listeners.get_mut(event) {
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handlers.retain(|h| h.id != id);
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if handlers.is_empty() {
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empty.replace(key.clone());
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js_listeners.remove(event);
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}
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if found {
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break 'outer;
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}
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}
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if let Some(key) = &empty {
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listeners.remove(key);
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}
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}
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}
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pub(crate) fn unlisten_all_js(&self, webview_label: &str) {
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let inner_listeners = self.inner.as_ref();
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let mut js_listeners = inner_listeners.js_event_listeners.lock().unwrap();
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let js_listeners = self.inner.as_ref();
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let mut js_listeners = js_listeners.js_event_listeners.lock().unwrap();
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js_listeners.remove(webview_label);
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}
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@ -282,11 +263,11 @@ impl Listeners {
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event: &str,
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filter: F,
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) -> bool {
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let listeners = self.inner.js_event_listeners.lock().unwrap();
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listeners.values().any(|events| {
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let js_listeners = self.inner.js_event_listeners.lock().unwrap();
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js_listeners.values().any(|events| {
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events
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.get(event)
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.map(|handlers| handlers.iter().any(|h| filter(&h.target)))
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.map(|handlers| handlers.iter().any(|handler| filter(&handler.target)))
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.unwrap_or(false)
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})
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}
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@ -296,20 +277,20 @@ impl Listeners {
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mut webviews: I,
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event: &str,
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emit_args: &EmitArgs,
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filter: Option<&F>,
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filter: Option<F>,
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) -> crate::Result<()>
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where
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R: Runtime,
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I: Iterator<Item = &'a Webview<R>>,
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F: Fn(&EventTarget) -> bool,
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{
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let listeners = self.inner.js_event_listeners.lock().unwrap();
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let js_listeners = self.inner.js_event_listeners.lock().unwrap();
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webviews.try_for_each(|webview| {
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if let Some(handlers) = listeners.get(webview.label()).and_then(|s| s.get(event)) {
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if let Some(handlers) = js_listeners.get(webview.label()).and_then(|s| s.get(event)) {
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let handlers = handlers.iter();
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let handlers = handlers.filter(|handler| match_any_or_filter(&handler.target, &filter));
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for JsHandler { target, .. } in handlers {
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if *target == EventTarget::Any || filter.as_ref().map(|f| f(target)).unwrap_or(false) {
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webview.emit_js(emit_args, target)?;
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}
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webview.emit_js(emit_args, target)?;
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}
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}
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@ -331,11 +312,19 @@ impl Listeners {
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webviews,
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event,
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emit_args,
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None::<&&dyn Fn(&EventTarget) -> bool>,
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None::<&dyn Fn(&EventTarget) -> bool>,
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)
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}
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}
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#[inline(always)]
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fn match_any_or_filter<F: Fn(&EventTarget) -> bool>(
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target: &EventTarget,
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filter: &Option<F>,
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) -> bool {
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*target == EventTarget::Any || filter.as_ref().map(|f| f(target)).unwrap_or(true)
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}
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#[cfg(test)]
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mod test {
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use super::*;
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@ -1297,7 +1297,7 @@ fn main() {
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id,
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))?;
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listeners.unlisten_js(id);
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listeners.unlisten_js(event, id);
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Ok(())
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}
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38
examples/api/src-tauri/Cargo.lock
generated
38
examples/api/src-tauri/Cargo.lock
generated
@ -172,6 +172,12 @@ version = "0.21.7"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "9d297deb1925b89f2ccc13d7635fa0714f12c87adce1c75356b39ca9b7178567"
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[[package]]
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name = "base64"
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version = "0.22.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "9475866fec1451be56a3c2400fd081ff546538961565ccb5b7142cbd22bc7a51"
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[[package]]
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name = "bitflags"
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version = "1.3.2"
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@ -1769,9 +1775,9 @@ dependencies = [
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[[package]]
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name = "log"
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version = "0.4.20"
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version = "0.4.21"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "b5e6163cb8c49088c2c36f57875e58ccd8c87c7427f7fbd50ea6710b2f3f2e8f"
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checksum = "90ed8c1e510134f979dbc4f070f87d4313098b704861a105fe34231c70a3901c"
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[[package]]
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name = "loom"
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@ -2265,7 +2271,7 @@ version = "1.6.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e5699cc8a63d1aa2b1ee8e12b9ad70ac790d65788cd36101fa37f87ea46c4cef"
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dependencies = [
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"base64",
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"base64 0.21.7",
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"indexmap 2.2.3",
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"line-wrap",
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"quick-xml",
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@ -2556,7 +2562,7 @@ version = "0.11.24"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "c6920094eb85afde5e4a138be3f2de8bbdf28000f0029e72c45025a56b042251"
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dependencies = [
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"base64",
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"base64 0.21.7",
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"bytes",
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"encoding_rs",
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"futures-core",
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@ -2790,7 +2796,7 @@ version = "3.6.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "15d167997bd841ec232f5b2b8e0e26606df2e7caa4c31b95ea9ca52b200bd270"
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dependencies = [
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"base64",
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"base64 0.21.7",
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"chrono",
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"hex",
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"indexmap 1.9.3",
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@ -3019,7 +3025,7 @@ version = "1.0.6"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "1bbdb58577b6301f8d17ae2561f32002a5bae056d444e0f69e611e504a276204"
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dependencies = [
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"base64",
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"base64 0.21.7",
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"serde",
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"serde_json",
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]
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@ -3145,7 +3151,7 @@ checksum = "e1fc403891a21bcfb7c37834ba66a547a8f402146eba7265b5a6d88059c9ff2f"
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[[package]]
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name = "tauri"
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version = "2.0.0-beta.8"
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version = "2.0.0-beta.9"
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dependencies = [
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"anyhow",
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"bytes",
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@ -3195,7 +3201,7 @@ dependencies = [
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[[package]]
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name = "tauri-build"
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version = "2.0.0-beta.6"
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version = "2.0.0-beta.7"
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dependencies = [
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"anyhow",
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"cargo_toml",
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@ -3217,9 +3223,9 @@ dependencies = [
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[[package]]
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name = "tauri-codegen"
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version = "2.0.0-beta.6"
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version = "2.0.0-beta.7"
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dependencies = [
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"base64",
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"base64 0.22.0",
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"brotli",
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"ico",
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"json-patch",
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@ -3242,7 +3248,7 @@ dependencies = [
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[[package]]
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name = "tauri-macros"
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version = "2.0.0-beta.6"
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version = "2.0.0-beta.7"
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dependencies = [
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"heck",
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"proc-macro2",
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@ -3254,7 +3260,7 @@ dependencies = [
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[[package]]
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name = "tauri-plugin"
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version = "2.0.0-beta.6"
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version = "2.0.0-beta.7"
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dependencies = [
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"anyhow",
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"glob",
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@ -3280,7 +3286,7 @@ dependencies = [
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[[package]]
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name = "tauri-runtime"
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version = "2.0.0-beta.6"
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version = "2.0.0-beta.7"
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dependencies = [
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"gtk",
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"http",
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@ -3296,7 +3302,7 @@ dependencies = [
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[[package]]
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name = "tauri-runtime-wry"
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version = "2.0.0-beta.6"
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version = "2.0.0-beta.7"
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dependencies = [
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"cocoa",
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"gtk",
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@ -3318,7 +3324,7 @@ dependencies = [
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[[package]]
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name = "tauri-utils"
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version = "2.0.0-beta.6"
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version = "2.0.0-beta.7"
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dependencies = [
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"aes-gcm",
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"brotli",
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@ -4384,7 +4390,7 @@ version = "0.37.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "8b717040ba9771fd88eb428c6ea6b555f8e734ff8534f02c13e8f10d97f5935e"
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dependencies = [
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"base64",
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"base64 0.21.7",
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"block",
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"cfg_aliases 0.1.1",
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"cocoa",
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@ -1,13 +1,15 @@
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<script>
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import { listen, emit } from '@tauri-apps/api/event'
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import { getCurrent } from '@tauri-apps/api/webviewWindow'
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import { invoke } from '@tauri-apps/api/core'
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import { onMount, onDestroy } from 'svelte'
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export let onMessage
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let unlisten
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const webviewWindow = getCurrent()
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onMount(async () => {
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unlisten = await listen('rust-event', onMessage)
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unlisten = await webviewWindow.listen('rust-event', onMessage)
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})
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onDestroy(() => {
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if (unlisten) {
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@ -35,7 +37,7 @@
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}
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function emitEvent() {
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emit('js-event', 'this is the payload string')
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webviewWindow.emit('js-event', 'this is the payload string')
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}
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</script>
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