Show case how to use pretty json

examples/api/src-tauri/src/lib.rs

@@ -37,7 +37,11 @@ pub fn run() {
         .plugin(tauri_plugin_os::init())
         .plugin(tauri_plugin_process::init())
         .plugin(tauri_plugin_shell::init())
-        .plugin(tauri_plugin_store::Builder::default().build())
+        .plugin(
+            tauri_plugin_store::Builder::default()
+                .register_serialize_fn("pretty-json".to_owned(), pretty_json)
+                .build(),
+        )
         .setup(move |app| {
             #[cfg(desktop)]
             {
@@ -159,3 +163,9 @@ pub fn run() {
         }
     })
 }
+
+fn pretty_json(
+    cache: &std::collections::HashMap<String, serde_json::Value>,
+) -> Result<Vec<u8>, Box<dyn std::error::Error + Send + Sync>> {
+    Ok(serde_json::to_vec_pretty(&cache)?)
+}