chore(cli): warn when product name is missing, closes #14034 (#14105)

Author: lucasfernog

.changes/warn-missing-product-name.md

@@ -0,0 +1,7 @@
+---
+"tauri-cli": patch:enhance
+"@tauri-apps/cli": patch:enhance
+---
+
+Warn if productName is empty when initializing mobile project.
+

crates/tauri-cli/src/mobile/mod.rs

@@ -464,6 +464,12 @@ pub fn get_app(target: Target, config: &TauriConfig, interface: &AppInterface) -
     .lib_name()
     .unwrap_or_else(|| app_name.to_snek_case());
 
+  if config.product_name.is_none() {
+    log::warn!(
+      "`productName` is not set in the Tauri configuration. Using `{app_name}` as the app name."
+    );
+  }
+
   let raw = RawAppConfig {
     name: app_name,
     lib_name: Some(lib_name),