From ca3c3aee4f84f762de233fed7e2f10f25ee54b7b Mon Sep 17 00:00:00 2001
From: holazz <2418184580@qq.com>
Date: Sat, 5 Nov 2022 12:21:24 +0800
Subject: [PATCH 1/2] fix(components): [cascader] remove extra space in the
 search text

---
 packages/components/cascader/src/index.vue | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/packages/components/cascader/src/index.vue b/packages/components/cascader/src/index.vue
index d9037a4c70207..d1c306d91b123 100644
--- a/packages/components/cascader/src/index.vue
+++ b/packages/components/cascader/src/index.vue
@@ -40,7 +40,9 @@
         <el-input
           ref="input"
           v-model="inputValue"
-          :placeholder="searchInputValue ? '' : inputPlaceholder"
+          :placeholder="
+            searchInputValue || presentTags.length > 0 ? '' : inputPlaceholder
+          "
           :readonly="readonly"
           :disabled="isDisabled"
           :validate-event="false"
@@ -401,7 +403,7 @@ export default defineComponent({
       const nodes = checkedNodes.value
       return nodes.length
         ? multiple.value
-          ? ' '
+          ? ''
           : nodes[0].calcText(showAllLevels, separator)
         : ''
     })

From 24079da347f230abe1176a554b2e7990f00719a0 Mon Sep 17 00:00:00 2001
From: holazz <2418184580@qq.com>
Date: Sat, 5 Nov 2022 13:34:16 +0800
Subject: [PATCH 2/2] chore: optimize condition with computed

---
 packages/components/cascader/src/index.vue | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/packages/components/cascader/src/index.vue b/packages/components/cascader/src/index.vue
index d1c306d91b123..fb076499b6879 100644
--- a/packages/components/cascader/src/index.vue
+++ b/packages/components/cascader/src/index.vue
@@ -40,9 +40,7 @@
         <el-input
           ref="input"
           v-model="inputValue"
-          :placeholder="
-            searchInputValue || presentTags.length > 0 ? '' : inputPlaceholder
-          "
+          :placeholder="currentPlaceholder"
           :readonly="readonly"
           :disabled="isDisabled"
           :validate-event="false"
@@ -375,6 +373,11 @@ export default defineComponent({
     const inputPlaceholder = computed(
       () => props.placeholder || t('el.cascader.placeholder')
     )
+    const currentPlaceholder = computed(() =>
+      searchInputValue.value || presentTags.value.length > 0
+        ? ''
+        : inputPlaceholder.value
+    )
     const realSize = useSize()
     const tagSize = computed(() =>
       ['small'].includes(realSize.value) ? 'small' : 'default'
@@ -740,6 +743,7 @@ export default defineComponent({
       popperVisible,
       inputHover,
       inputPlaceholder,
+      currentPlaceholder,
       filtering,
       presentText,
       checkedValue,