feat(storage): local存储增加有效期

soybeanjs · Nov 23, 2021 · e6c9b35 · e6c9b35
1 parent 03b398a
commit e6c9b35
Showing 1 changed file with 12 additions and 3 deletions.
diff --git a/src/utils/storage/local.ts b/src/utils/storage/local.ts
@@ -1,12 +1,21 @@
-export function setLocal(key: string, value: unknown) {
-  const json = JSON.stringify(value);
+/** 默认缓存期限为7天 */
+const DEFAULT_CACHE_TIME = 60 * 60 * 24 * 7;
+
+export function setLocal(key: string, value: unknown, expire: number | null = DEFAULT_CACHE_TIME) {
+  const json = JSON.stringify({ value, expire: expire !== null ? new Date().getTime() + expire * 1000 : null });
   window.localStorage.setItem(key, json);
 }
 
 export function getLocal<T>(key: string) {
   const json = window.localStorage.getItem(key);
   if (json) {
-    return JSON.parse(json) as T;
+    const data = JSON.parse(json);
+    const { value, expire } = data;
+    /** 在有效期内直接返回 */
+    if (expire === null || expire >= Date.now()) {
+      return value as T;
+    }
+    removeLocal(key);
   }
   return null;
 }