feat: improve DX of events (#12)

* feat: improve DX of events

* Update global_shortcut.rs

* Update event.rs

* deploy docs to gh pages

* Delete rustdoc.yml

* add tests for global shortcut

* improve logs produced by tauri_log

* wip docs

* update docs

* move error to separate module

* feat: simplify functions returning array backed iterators

* rebase and cleanup

* fixes

examples/test/src/event.rs

@@ -1,10 +1,38 @@
 use anyhow::ensure;
+use futures::StreamExt;
 use tauri_sys::{event, tauri};
 
 pub async fn emit() -> anyhow::Result<()> {
-    event::emit("foo", &"bar").await?;
+    event::emit("javascript-event", &"bar").await?;
 
     ensure!(tauri::invoke::<_, bool>("verify_receive", &()).await?);
 
     Ok(())
 }
+
+pub async fn listen() -> anyhow::Result<()> {
+    let events = event::listen::<u32>("rust-event-listen").await?;
+    tauri::invoke::<_, ()>("emit_event_5_times", &()).await?;
+
+    let events: Vec<u32> = events
+        .take(5)
+        .map(|e| e.payload)
+        .collect()
+        .await;
+
+    ensure!(events == vec![0, 1, 2, 3, 4]);
+
+    Ok(())
+}
+
+pub async fn once() -> anyhow::Result<()> {
+    // this causes enough delay for `once` to register it's event listener before the event gets triggered
+    wasm_bindgen_futures::spawn_local(async {
+        tauri::invoke::<_, ()>("emit_event", &()).await.unwrap();
+    });
+    let event = event::once::<String>("rust-event-once").await?;
+
+    ensure!(event.payload == "Hello World from Rust!");
+
+    Ok(())
+}