Cascader: optimize performance (#21231)

72be8f53 · 好多大米 · GitHub · 6fda9a08 · 72be8f53
Commit 72be8f53 authored Aug 17, 2021 by 好多大米 Committed by GitHub Aug 17, 2021
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packages/cascader/src/cascader.vue packages/cascader/src/cascader.vue +4 -1

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--- a/packages/cascader/src/cascader.vue
+++ b/packages/cascader/src/cascader.vue
@@ -413,6 +413,7 @@ export default {
    handleDropdownLeave() {
      this.filtering = false;
      this.inputValue = this.presentText;
+      this.doDestroy();
    },
    handleKeyDown(event) {
      switch (event.keyCode) {
@@ -643,7 +644,9 @@ export default {
        const offsetHeight = Math.round(tags.getBoundingClientRect().height);
        const height = Math.max(offsetHeight + 6, inputInitialHeight) + 'px';
        inputInner.style.height = height;
-        this.updatePopper();
+        if (this.dropDownVisible) {
+          this.updatePopper();
+        }
      }
    },