完成50%

2026-07-23 08:23:59 +08:00
parent 9b0ad62df4
commit f1edc6b533
218 changed files with 24318 additions and 5514 deletions
@@ -0,0 +1,34 @@
+// 放弃表单确认的唯一生命周期所有者。页面只负责把 visible 同步到自己的 ref；
+// 重复返回复用同一 Promise，确认、取消或卸载都会先清空内部状态再释放等待者。
+export const createDiscardConfirmation = (setVisible) => {
+  if (typeof setVisible !== "function") {
+    throw new TypeError("createDiscardConfirmation 的 setVisible 必须是函数");
+  }
+
+  let pendingPromise = null;
+  let resolvePending = null;
+
+  const settle = (confirmed) => {
+    const resolve = resolvePending;
+    resolvePending = null;
+    pendingPromise = null;
+    setVisible(false);
+    resolve?.(confirmed === true);
+  };
+
+  const request = () => {
+    if (pendingPromise) return pendingPromise;
+    setVisible(true);
+    pendingPromise = new Promise((resolve) => {
+      resolvePending = resolve;
+    });
+    return pendingPromise;
+  };
+
+  return Object.freeze({
+    request,
+    confirm: () => settle(true),
+    cancel: () => settle(false),
+    dispose: () => settle(false),
+  });
+};