Fix stale prevRef blocking cross-def change detection

src/hooks/useFieldValidations.tsx

@@ -156,16 +156,47 @@ export function useFieldValidations<T>(
   useEffect(() => {
     const getVal = (name: FormNamePath<T>) => form.getFieldValue(name);
 
-    // ── 静态 def diff ──
+    // ═══ 第一遍：纯检测，不写 prevRef ═══
+
+    // 静态 def
+    const changedStaticDefs: StaticValidationDef<T>[] = [];
     for (const def of staticDefs) {
       const defKey = pathKey(def.target);
       const depKeys = def.deps.map((d) => pathKey(d));
-      let changed = false;
       for (const dk of [defKey, ...depKeys]) {
-        const cur = JSON.stringify(snapshot[dk]);
+        if (prevRef.current[dk] !== JSON.stringify(snapshot[dk])) {
-        if (prevRef.current[dk] !== cur) { changed = true; prevRef.current[dk] = cur; }
+          changedStaticDefs.push(def);
+          break;
+        }
+      }
+    }
+
+    // 列表 def —— 收集每行变化
+    const changedListRows = new Map<_ListValidationDef<T>, Set<number>>();
+    for (const ld of listDefs) {
+      const listKey = pathKey(ld.list);
+      const prevRows = (prevRef.current[listKey] ?? []) as string[];
+      const curRows = (snapshot[listKey] ?? []) as string[];
+
+      if (isShallowArrEqual(prevRows, curRows)) continue;
+
+      const rows = new Set<number>();
+      const maxLen = Math.max(prevRows.length, curRows.length);
+      for (let i = 0; i < maxLen; i++) {
+        if (prevRows[i] !== curRows[i]) rows.add(i);
+      }
+      changedListRows.set(ld, rows);
+    }
+
+    // ═══ 第二遍：写入 prevRef + 重置 timer ═══
+
+    // 静态 def
+    for (const def of changedStaticDefs) {
+      const defKey = pathKey(def.target);
+      const depKeys = def.deps.map((d) => pathKey(d));
+      for (const dk of [defKey, ...depKeys]) {
+        prevRef.current[dk] = JSON.stringify(snapshot[dk]);
       }
-      if (!changed) continue;
 
       const timerKey = "s_" + defKey;
       if (timersRef.current[timerKey]) clearTimeout(timersRef.current[timerKey]);
@@ -179,27 +210,19 @@ export function useFieldValidations<T>(
       }, def.debounce ?? 800);
     }
 
-    // ── 列表 def 逐行 diff ──
+    // 列表 def
-    for (const ld of listDefs) {
+    for (const [ld, changedRows] of changedListRows) {
       const listKey = pathKey(ld.list);
-      const prevRows = (prevRef.current[listKey] ?? []) as string[];
       const curRows = (snapshot[listKey] ?? []) as string[];
+
+      // 写入 prevRef
       prevRef.current[listKey] = curRows;
 
-      if (!isShallowArrEqual(prevRows, curRows)) {
+      // 清除被删除行的 timer 和 result
-        // 找出变化的行
+      const prevLen = (prevRef.current[listKey + "_len"] as number | undefined) ?? curRows.length;
-        const maxLen = Math.max(prevRows.length, curRows.length);
+      for (let i = curRows.length; i < prevLen; i++) {
-        const changedRows = new Set<number>();
-        for (let i = 0; i < maxLen; i++) {
-          if (prevRows[i] !== curRows[i]) changedRows.add(i);
-        }
-        // 清除多余旧行的 timer
-        for (let i = curRows.length; i < prevRows.length; i++) {
         const oldTimerKey = timerKey(ld, i);
         if (timersRef.current[oldTimerKey]) clearTimeout(timersRef.current[oldTimerKey]);
-        }
-        // 清除已删除行的 result
-        for (let i = curRows.length; i < prevRows.length; i++) {
         const deletedKey = pathKey([...toArray(ld.list), i, ld.target]);
         setResults((prev) => {
           const next = { ...prev };
@@ -207,6 +230,8 @@ export function useFieldValidations<T>(
           return next;
         });
       }
+      prevRef.current[listKey + "_len"] = curRows.length;
+
       // 为变化行重置定时器
       for (const i of changedRows) {
         if (i >= curRows.length) continue;
@@ -227,7 +252,6 @@ export function useFieldValidations<T>(
         }, ld.debounce ?? 800);
       }
     }
-    }
   }, [snapshot, staticDefs, listDefs, form]);
 
   // 卸载时清除所有定时器