0.2.3: Fix the bug to set the right length value after vanX.replace call to an array

Author: Tao-VanJS

x/dist/van-x.nomodule.js

@@ -99,6 +99,7 @@
     }
     for (let k in obj) delete obj[k]
     for (let k in newObj) obj[k] = newObj[k]
+    if (Array.isArray(obj)) while (obj.length > 0 && !(obj.length - 1 in obj)) --obj.length
     items[statesSym] = newStates
     ++items[keysGenSym].val
   }

x/dist/van-x.nomodule.min.js

@@ -1,6 +1,6 @@
 {
   "name": "vanjs-ext",
-  "version": "0.2.2",
+  "version": "0.2.3",
   "description": "The official extension library for VanJS",
   "files": [
     "src/van-x.js",

x/package.json

@@ -115,6 +115,7 @@ let replace = (items, f) => {
 
   for (let k in obj) delete obj[k]
   for (let k in newObj) obj[k] = newObj[k]
+  if (Array.isArray(obj)) while (obj.length > 0 && !(obj.length - 1 in obj)) --obj.length
   items[statesSym] = newStates
   ++items[keysGenSym].val
 }

x/src/van-x.js

@@ -164,6 +164,10 @@ window.runTests = async (van, vanX, file) => {
             assertEq(json.val, '[3,null,4]');
             vanX.replace(data, _ => [1, 2, 3, 4]);
             assertEq(json.val, '[1,2,3,4]');
+            vanX.replace(data, _ => [1, 2]);
+            assertEq(json.val, '[1,2]');
+            vanX.replace(data, _ => []);
+            assertEq(json.val, '[]');
         },
         reactive_objJson: () => {
             const data = vanX.reactive({ a: 1, b: 2 });

x/test/van-x.test.js

@@ -164,6 +164,10 @@ window.runTests = async (van, vanX, file) => {
             assertEq(json.val, '[3,null,4]');
             vanX.replace(data, _ => [1, 2, 3, 4]);
             assertEq(json.val, '[1,2,3,4]');
+            vanX.replace(data, _ => [1, 2]);
+            assertEq(json.val, '[1,2]');
+            vanX.replace(data, _ => []);
+            assertEq(json.val, '[]');
         },
         reactive_objJson: () => {
             const data = vanX.reactive({ a: 1, b: 2 });

x/test/van-x.test.nomodule.js

@@ -219,6 +219,12 @@ window.runTests = async (van: Van, vanX: typeof vanXObj, file: string) => {
 
       vanX.replace(data, _ => [1, 2, 3, 4])
       assertEq(json.val, '[1,2,3,4]')
+
+      vanX.replace(data, _ => [1, 2])
+      assertEq(json.val, '[1,2]')
+
+      vanX.replace(data, _ => [])
+      assertEq(json.val, '[]')
     },
 
     reactive_objJson: () => {