improve: memory management

improve: remove performance cost of debounce on non-debounce instances.
ali77gh · Apr 6, 2023 · 8719e19 · 8719e19
1 parent 3d9240d
commit 8719e19
Showing 1 changed file with 14 additions and 6 deletions.
diff --git a/lib/src/telescope.dart b/lib/src/telescope.dart
@@ -88,17 +88,16 @@ class Telescope<T> {
     void calAndUpdate() {
       isCalculating?.value = true;
       int dh = getDependenciesHash();
-      Future.delayed(debounceTime, () {
-        if (debounceTime != Duration.zero) {
-          int cdh = getDependenciesHash();
-          if (dh != cdh) return;
-        }
+      void inner(){
         cal().then((value) {
           if (enableCaching) {
             hashmap[dh] = value;
             if (cacheExpireTime != null) {
               var expTime = DateTime.now().add(cacheExpireTime);
               expireTimeMap[dh] = expTime;
+              Future.delayed(cacheExpireTime, (){
+                expireTimeMap.remove(dh);
+              });
             }
           }
           int cdh = getDependenciesHash();
@@ -107,7 +106,16 @@ class Telescope<T> {
           isCalculating?.value = false;
           notifyAll();
         });
-      });
+      }
+      if (debounceTime != Duration.zero) {
+        Future.delayed(debounceTime, () {
+          int cdh = getDependenciesHash();
+          if (dh != cdh) return;
+          inner();
+        });
+      }else{
+        inner();
+      }
     }
 
     calAndUpdate();