feat(app): add plugin (#345)

plugins/app/src/commands.rs

@@ -0,0 +1,33 @@
+use tauri::{AppHandle, Runtime};
+
+#[tauri::command]
+pub fn version<R: Runtime>(app: AppHandle<R>) -> String {
+    app.package_info().version.to_string()
+}
+
+#[tauri::command]
+pub fn name<R: Runtime>(app: AppHandle<R>) -> String {
+    app.package_info().name.clone()
+}
+
+#[tauri::command]
+pub fn tauri_version() -> &'static str {
+    // TODO: return actual tauri version with `tauri::VERSION`
+    env!("CARGO_PKG_VERSION")
+}
+
+#[tauri::command]
+#[allow(unused_variables)]
+pub fn show<R: Runtime>(app: AppHandle<R>) -> tauri::Result<()> {
+    #[cfg(target_os = "macos")]
+    app.show()?;
+    Ok(())
+}
+
+#[tauri::command]
+#[allow(unused_variables)]
+pub fn hide<R: Runtime>(app: AppHandle<R>) -> tauri::Result<()> {
+    #[cfg(target_os = "macos")]
+    app.hide()?;
+    Ok(())
+}

plugins/app/src/lib.rs

@@ -0,0 +1,18 @@
+use tauri::{
+    plugin::{Builder, TauriPlugin},
+    Runtime,
+};
+
+mod commands;
+
+pub fn init<R: Runtime>() -> TauriPlugin<R> {
+    Builder::new("app")
+        .invoke_handler(tauri::generate_handler![
+            commands::version,
+            commands::name,
+            commands::tauri_version,
+            commands::show,
+            commands::hide
+        ])
+        .build()
+}