feat: add init scripts (#361)

plugins/dialog/src/commands.rs

@@ -271,8 +271,8 @@ pub(crate) async fn ask<R: Runtime>(
         title,
         message,
         type_,
-        ok_button_label,
-        cancel_button_label,
+        Some(ok_button_label.unwrap_or_else(|| "Yes".into())),
+        Some(cancel_button_label.unwrap_or_else(|| "No".into())),
     ))
 }
 
@@ -292,7 +292,7 @@ pub(crate) async fn confirm<R: Runtime>(
         title,
         message,
         type_,
-        ok_button_label,
-        cancel_button_label,
+        Some(ok_button_label.unwrap_or_else(|| "Ok".into())),
+        Some(cancel_button_label.unwrap_or_else(|| "Cancel".into())),
     ))
 }

plugins/dialog/src/init.js

@@ -0,0 +1,15 @@
+// Copyright 2019-2023 Tauri Programme within The Commons Conservancy
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: MIT
+
+window.alert = function (message) {
+  window.__TAURI_INVOKE__('plugin:dialog|message', {
+    message: message.toString()
+  })
+}
+
+window.confirm = function (message) {
+  return window.__TAURI_INVOKE__('plugin:dialog|confirm', {
+    message: message.toString()
+  })
+}

plugins/dialog/src/lib.rs

@@ -69,7 +69,15 @@ impl<R: Runtime> Dialog<R> {
 
 /// Initializes the plugin.
 pub fn init<R: Runtime>() -> TauriPlugin<R> {
-    Builder::new("dialog")
+    let mut builder = Builder::new("dialog");
+
+    // Dialogs are implemented natively on Android
+    #[cfg(not(target_os = "android"))]
+    {
+        builder = builder.js_init_script(include_str!("init.js").to_string());
+    }
+
+    builder
         .invoke_handler(tauri::generate_handler![
             commands::open,
             commands::save,