refactor: extract attachment link history commands

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

@@ -0,0 +1,87 @@
+use wasm_bindgen::{JsCast, JsValue};
+use web_sys::{window, Element};
+
+const EDITOR_ROOT_SELECTOR: &str = ".editor-surface .ProseMirror";
+
+fn editor_root_element() -> Option<Element> {
+    window()
+        .and_then(|win| win.document())
+        .and_then(|document| document.query_selector(EDITOR_ROOT_SELECTOR).ok().flatten())
+}
+
+/// 当前 DOM 选中文本匹配本地附件链接文本时返回 `true`。
+pub(crate) fn selected_local_attachment_link_text() -> bool {
+    let selection = match window().and_then(|win| win.get_selection().ok().flatten()) {
+        Some(selection) if !selection.is_collapsed() => selection,
+        _ => return false,
+    };
+    let selected_text = String::from(selection.to_string()).trim().to_string();
+    if selected_text.is_empty() {
+        return false;
+    }
+
+    let Some(root) = editor_root_element() else {
+        return false;
+    };
+    let links = root.get_elements_by_tag_name("a");
+    for index in 0..links.length() {
+        let Some(link) = links.item(index) else {
+            continue;
+        };
+        let href = link.get_attribute("href").unwrap_or_default();
+        if !href.contains("/api/local-folder/files/open") {
+            continue;
+        }
+        if link.text_content().unwrap_or_default().trim() == selected_text {
+            return true;
+        }
+    }
+
+    false
+}
+
+/// 当前非空选区命中本地附件链接 mark 时返回 `true`。
+pub(crate) fn selected_local_attachment_link_in_editor_state() -> bool {
+    let Some(root) = editor_root_element() else {
+        return false;
+    };
+    let Ok(editor_value) = js_sys::Reflect::get(root.as_ref(), &JsValue::from_str("editor"))
+    else {
+        return false;
+    };
+    let Ok(state_value) = js_sys::Reflect::get(&editor_value, &JsValue::from_str("state")) else {
+        return false;
+    };
+    let Ok(selection_value) = js_sys::Reflect::get(&state_value, &JsValue::from_str("selection"))
+    else {
+        return false;
+    };
+    let is_empty = js_sys::Reflect::get(&selection_value, &JsValue::from_str("empty"))
+        .ok()
+        .and_then(|value| value.as_bool())
+        .unwrap_or(true);
+    if is_empty {
+        return false;
+    }
+    let Some(get_attributes) = js_sys::Reflect::get(
+        &editor_value,
+        &JsValue::from_str("getAttributes"),
+    )
+    .ok()
+    .and_then(|value| value.dyn_into::<js_sys::Function>().ok())
+    else {
+        return false;
+    };
+    let Ok(attributes) = get_attributes.call1(&editor_value, &JsValue::from_str("link")) else {
+        return false;
+    };
+    js_sys::Reflect::get(&attributes, &JsValue::from_str("href"))
+        .ok()
+        .and_then(|value| value.as_string())
+        .is_some_and(|href| href.contains("/api/local-folder/files/open"))
+}
+
+/// DOM selection 或 Tiptap editor state 任一路径命中本地附件链接即可。
+pub(crate) fn is_local_attachment_link_selected() -> bool {
+    selected_local_attachment_link_in_editor_state() || selected_local_attachment_link_text()
+}

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

@@ -0,0 +1,17 @@
+use leptos_tiptap::TiptapEditorHandle;
+
+use crate::editor_runtime::attachment_links;
+
+/// 通过 Tiptap `delete_selection()` 删除当前选中的本地附件链接，保留撤销/重做历史。
+///
+/// 删除成功返回 `Ok(())`；当前选区不是本地附件链接或删除失败时返回 `Err(message)`。
+pub(crate) fn delete_selected_attachment_link_with_history(
+    editor: &TiptapEditorHandle,
+) -> Result<(), String> {
+    // 先确认当前选区确实是本地附件链接。
+    if !attachment_links::is_local_attachment_link_selected() {
+        return Err("当前选区不是本地附件链接".to_string());
+    }
+    // 继续走 Tiptap 命令路径，保留撤销/重做历史。
+    editor.delete_selection().map_err(|error| error.to_string())
+}

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

@@ -0,0 +1,2 @@
+pub(crate) mod attachment_links;
+pub(crate) mod history_safe_commands;