查找最旧一条缓存

src/utils/cache/RepositorySearch.ts

@@ -6,16 +6,31 @@ interface CacheWrapper<T> {
 
 interface Caches<T> {
   total_page:number
-  list:{[page:number]:T[]}
+  list:{[page:number]:T[]},
+  cache_created_time:Date
 }
 
 const cache:CacheWrapper<RepositorySearchResultItem> = {}
 
+/**
+ * 查找最旧一条缓存
+ * @returns
+ */
+function findOldestCache () {
+  const cache_sort = Object.entries(cache).sort((a, b) => a[1].cache_created_time.getTime() - b[1].cache_created_time.getTime())
+  const oldest = cache_sort.shift()!
+  return {
+    page: parseInt(oldest[0], 10),
+    cache: oldest[1]
+  }
+}
+
 export function RepositorySearchCache (keyword:string, max_cache_count:number) {
   if (!cache[keyword]) {
     cache[keyword] = {
       list: [],
-      total_page: 0
+      total_page: 0,
+      cache_created_time: new Date()
     }
   }
 
@@ -42,7 +57,7 @@ export function RepositorySearchCache (keyword:string, max_cache_count:number) {
     add (page:number, data:RepositorySearchResultItem[]) {
       if (!_cache_list[page] && this.getCount() >= max_cache_count) {
         this.remove(
-          parseInt(Object.keys(_cache_list).shift()!, 10)
+          findOldestCache().page
         )
       }
       _cache_list[page] = data