refactor: split tree shell page runtime

rust/crates/mnote-web/browser/tree-shell-runtime.js

@@ -1,6 +1,11 @@
 // MNote debug /tree shell 浏览器运行时外置模块。
 // 该文件由 tree.rs 原 inline runtime 同构迁出，语义仍由 Rust tree_shell reducer 主导。
 
+import {
+  reconcilePageRuntimeResult,
+  reducePageActionWithRuntime,
+} from "./tree-shell-page-runtime.js";
+
 function buildFileTreeRuntimeEnvironment(runtimeContext) {
   const fileTreeRowById = runtimeContext.fileTreeRowById || new Map();
   return {
@@ -17,60 +22,6 @@ function buildFileTreeRuntimeEnvironment(runtimeContext) {
   };
 }
 
-async function reducePageActionWithRuntime(runtimeContext, action, item) {
-  if (runtimeContext.mode !== "page" || !runtimeContext.runtimeReduceEndpoint) {
-    return null;
-  }
-  const runtimeAction = runtimeContext.buildPageRuntimeAction(action, item);
-  if (!runtimeAction) return null;
-  const response = await fetch(runtimeContext.runtimeReduceEndpoint, {
-    method: "POST",
-    headers: { "content-type": "application/json" },
-    body: JSON.stringify({
-      mode: "page",
-      requestId: `page-runtime-${Date.now()}`,
-      environment: runtimeContext.buildPageRuntimeEnvironment(),
-      state: runtimeContext.readPageRuntimeState(action, item),
-      action: runtimeAction,
-    }),
-  });
-  if (!response.ok) {
-    throw new Error(await runtimeContext.readErrorMessage(response));
-  }
-  return response.json();
-}
-
-function reconcilePageRuntimeResult(runtimeContext, runtimeResult, item) {
-  const result = runtimeContext.normalizePageRuntimeResult(runtimeResult);
-  if (!result) return false;
-  const previousExpanded = new Set(runtimeContext.expanded);
-  let shouldPatchTree = false;
-  if (Array.isArray(result.expandedIds)) {
-    shouldPatchTree =
-      runtimeContext.commitPageExpandedIds(result.expandedIds) || shouldPatchTree;
-  }
-  const currentFocusedNodeId = runtimeContext.getFocusedNodeId();
-  if (result.focusedId && result.focusedId !== currentFocusedNodeId) {
-    runtimeContext.setFocusedNodeId(result.focusedId);
-    runtimeContext.postPageFocusChange(result.focusedId);
-    shouldPatchTree = true;
-  }
-  const itemNodeId = runtimeContext.normalizeText(item?.nodeId);
-  if (
-    itemNodeId &&
-    previousExpanded.has(itemNodeId) !== runtimeContext.expanded.has(itemNodeId)
-  ) {
-    runtimeContext.postPageExpandChange(itemNodeId, runtimeContext.expanded.has(itemNodeId));
-  }
-  if (shouldPatchTree) {
-    runtimeContext.patchPageTreeAfterRuntimeState(
-      Array.isArray(result.expandedIds) ? [itemNodeId, ...result.expandedIds] : [itemNodeId],
-      result.focusedId || runtimeContext.getFocusedNodeId(),
-    );
-  }
-  return shouldPatchTree;
-}
-
 function startTreeShellRuntime() {
   const stateElement = document.getElementById("tree-shell-state");
   const appElement = document.getElementById("tree-shell-app");