2 files changed, 92 insertions, 0 deletions
diff --git a/src-tauri/src/utils/api.rs b/src-tauri/src/utils/api.rs
new file mode 100644
index 0000000..0d5a925
--- /dev/null
+++ b/src-tauri/src/utils/api.rs
@@ -0,0 +1,90 @@
+use std::collections::BTreeSet;
+
+#[derive(Debug)]
+pub struct ApiInfo {
+    pub fn_name: &'static str,
+    pub ts_fn_name: &'static str,
+    pub param_names: &'static [&'static str],
+    pub param_defs: &'static [&'static str],
+    pub return_ts_promise: &'static str,
+    pub import_types: &'static [&'static str],
+    pub import_from: Option<&'static str>,
+}
+
+inventory::collect!(ApiInfo);
+
+pub fn export_api_bindings(import_from: &str, export_to: &str) {
+    use std::collections::BTreeMap;
+
+    let api_infos = inventory::iter::<ApiInfo>.into_iter().collect::<Vec<_>>();
+    if api_infos.is_empty() {
+        return;
+    }
+
+    let mut ts_lines = Vec::new();
+    ts_lines.push(r#"import { invoke } from "@tauri-apps/api/core""#.to_string());
+
+    let mut import_types: BTreeMap<&str, BTreeSet<&str>> = BTreeMap::new();
+    let mut ts_funcs = Vec::new();
+    for api_info in api_infos {
+        let api_types = api_info.import_types.iter().cloned().collect::<Vec<_>>();
+        import_types
+            .entry(api_info.import_from.unwrap_or(import_from))
+            .or_insert_with(BTreeSet::new)
+            .extend(api_types.clone());
+        if api_types.contains(&"Vec") {
+            eprintln!("???? from  {}", api_info.fn_name)
+        }
+
+        // Determine return generic for invoke: need the raw type (not Promise<...>)
+        let invoke_generic = if api_info.return_ts_promise.starts_with("Promise<")
+            && api_info.return_ts_promise.ends_with('>')
+        {
+            &api_info.return_ts_promise["Promise<".len()..api_info.return_ts_promise.len() - 1]
+        } else {
+            "unknown"
+        };
+        let invoke_line = if api_info.param_names.is_empty() {
+            format!("invoke<{}>(\"{}\")", invoke_generic, api_info.fn_name)
+        } else {
+            format!(
+                "invoke<{}>(\"{}\", {{\n        {}\n    }})",
+                invoke_generic,
+                api_info.fn_name,
+                api_info.param_names.join(", ")
+            )
+        };
+
+        ts_funcs.push(format!(
+            "export function {}({}): {} {{\n    \
+                return {}\n\
+            }}\n",
+            api_info.ts_fn_name,
+            api_info.param_defs.join(", "),
+            api_info.return_ts_promise,
+            invoke_line
+        ))
+    }
+
+    for (import_from, import_types) in import_types {
+        ts_lines.push(format!(
+            "import type {{ {} }} from \"{}\"",
+            import_types.iter().cloned().collect::<Vec<_>>().join(", "),
+            import_from
+        ))
+    }
+    ts_lines.push("".to_string());
+    ts_lines.extend(ts_funcs);
+
+    let ts_content = ts_lines.join("\n");
+    let export_to = std::path::Path::new(export_to);
+    if let Some(parent) = export_to.parent() {
+        std::fs::create_dir_all(parent).expect("Failed to create parent directory");
+    }
+    std::fs::write(export_to, ts_content).unwrap();
+}
+
+#[ctor::dtor]
+fn __dropout_export_api_bindings() {
+    export_api_bindings("@/types", "../packages/ui-new/src/client.ts");
+}
diff --git a/src-tauri/src/utils/mod.rs b/src-tauri/src/utils/mod.rs
index c9ac368..709439d 100644
--- a/src-tauri/src/utils/mod.rs
+++ b/src-tauri/src/utils/mod.rs
@@ -1,3 +1,5 @@
+#[cfg(test)]
+pub mod api;
 pub mod path;
 pub mod zip;