fix(cascader-panel): default value doesn't work in lazy mode (#2338)

fix #2312

packages/cascader-panel/__tests__/cascader-panel.spec.ts

@@ -560,7 +560,7 @@ describe('CascaderPanel.vue', () => {
     expect(wrapper.vm.value).toEqual([1, 2])
   })
 
-  test('lazy load with default value', async () => {
+  test('lazy load with default primitive value', async () => {
     const wrapper = mount(CascaderPanel, {
       props: {
         props: {
@@ -578,6 +578,35 @@ describe('CascaderPanel.vue', () => {
     expect(wrapper.find(`.is-active`).text()).toBe('option2')
   })
 
+  test('lazy load with default object value', async () => {
+    const wrapper = mount(CascaderPanel, {
+      props: {
+        props: {
+          lazy: true,
+          lazyLoad(node, resolve) {
+            const { level } = node
+            setTimeout(() => {
+              const nodes = Array.from({ length: level + 1 })
+                .map(() => ({
+                  value: { id: ++id },
+                  label: `option${id}`,
+                  leaf: level >= 1,
+                }))
+              resolve(nodes)
+            }, 1000)
+          },
+        },
+        modelValue: [{ id: 1 }, { id: 2 }],
+      },
+    })
+
+    jest.runAllTimers()
+    await nextTick()
+
+    expect(wrapper.findAll(MENU).length).toBe(2)
+    expect(wrapper.find(`.is-active`).text()).toBe('option2')
+  })
+
   test('no loaded nodes should not be checked', async () => {
     const wrapper = _mount({
       template: `

packages/cascader-panel/src/store.ts

@@ -59,7 +59,7 @@ export default class Store {
     if (!value && value !== 0) return null
 
     const nodes = this.getFlattedNodes(leafOnly)
-      .filter(node => node.value === value || isEqual(node.pathValues, value))
+      .filter(node => isEqual(node.value, value) || isEqual(node.pathValues, value))
 
     return nodes[0] || null
   }
@@ -68,7 +68,7 @@ export default class Store {
     if (!node) return null
 
     const nodes = this.getFlattedNodes(false)
-      .filter(({ value, level }) => node.value === value && node.level === level)
+      .filter(({ value, level }) => isEqual(node.value, value) && node.level === level)
 
     return nodes[0] || null
   }