refactor: extract editor upload intent

rust/spikes/leptos-tiptap-spike/src/editor_runtime/attachment_upload.rs

@@ -0,0 +1,21 @@
+use serde_json::json;
+use web_sys::{window, CustomEvent, CustomEventInit};
+
+pub(crate) fn dispatch_editor_upload_request(kind: &str, accept: &str) -> Result<(), String> {
+    let win = window().ok_or_else(|| "当前浏览器窗口不可用".to_string())?;
+    let detail = json!({
+        "kind": kind,
+        "accept": accept,
+        "multiple": true,
+        "insertIntoEditor": true,
+    });
+    let detail =
+        serde_wasm_bindgen::to_value(&detail).map_err(|err| format!("构造上传请求失败：{err}"))?;
+    let init = CustomEventInit::new();
+    init.set_detail(&detail);
+    let event = CustomEvent::new_with_event_init_dict("mnote:editor-upload-request", &init)
+        .map_err(|_| "构造上传事件失败".to_string())?;
+    win.dispatch_event(&event)
+        .map(|_| ())
+        .map_err(|_| "派发上传事件失败".to_string())
+}

rust/spikes/leptos-tiptap-spike/src/editor_runtime/mod.rs

@@ -1,4 +1,5 @@
 pub(crate) mod attachment_links;
+pub(crate) mod attachment_upload;
 pub(crate) mod command_sync;
 pub(crate) mod history_safe_commands;
 pub(crate) mod persistence;