refactor(runtime-vapor): replace apply with spread operator for key extraction

Author: johnsoncodehk

packages/runtime-vapor/src/apiCreateFor.ts

@@ -159,7 +159,7 @@ export const createFor = (
         while (right < commonLength) {
           const index = newLength - right - 1
           const item = getItem(source, index)
-          const key = getKey.apply(null, item)
+          const key = getKey(...item)
           const block = oldBlocks[oldLength - right - 1]
           if (block.key === key) {
             update(block, ...item)
@@ -175,7 +175,7 @@ export const createFor = (
 
         while (left < commonLength - right) {
           const item = getItem(source, left)
-          const key = getKey.apply(null, item)
+          const key = getKey(...item)
           const oldBlock = oldBlocks[left]
           const oldKey = oldBlock.key
           if (oldKey === key) {
@@ -194,14 +194,14 @@ export const createFor = (
         const prepareLength = Math.min(newLength - right, commonLength)
         for (let i = left; i < prepareLength; i++) {
           const item = getItem(source, i)
-          const key = getKey.apply(null, item)
+          const key = getKey(...item)
           pendingNews[l1++] = [i, item, key]
         }
 
         if (!l1 && !l2) {
           for (let i = prepareLength; i < newLength - right; i++) {
             const item = getItem(source, i)
-            const key = getKey.apply(null, item)
+            const key = getKey(...item)
             mount(source, i, item, key, defaultAnchor)
           }
         } else {
@@ -250,7 +250,7 @@ export const createFor = (
 
           for (let i = prepareLength; i < newLength - right; i++) {
             const item = getItem(source, i)
-            const key = getKey.apply(null, item)
+            const key = getKey(...item)
             moveOrMount(i, item, key, -1)
           }