From 9c2c48dcee8d607c11ef521a9e692b67f355d32c Mon Sep 17 00:00:00 2001
From: 刘汉宸 <liuhanchen@zeyihuoyun.com>
Date: Tue, 7 Sep 2021 14:13:20 +0800
Subject: [PATCH] fix: 修复Select组件无法加入空字符串值的问题

---
 packages/select/index.vue | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/packages/select/index.vue b/packages/select/index.vue
index c8d76b3..6b19ebd 100644
--- a/packages/select/index.vue
+++ b/packages/select/index.vue
@@ -243,10 +243,11 @@ export default {
     fixOptions(list) {
       let hash = {};
       return [...this.options, ...list].reduce((result, item) => {
-        if (!hash[item[this.valueKey]]) {
+        let hashKey = `${item[this.valueKey]}` || '_empty';
+        if (!hash[hashKey]) {
           // 如果当前元素的key值没有在hash对象里，则可放入最终结果数组
-          hash[item[this.valueKey]] = true; // 把当前元素key值添加到hash对象
-          item[this.valueKey] && item[this.labelKey] && result.push(item); // 把当前元素放入结果数组
+          hash[hashKey] = true; // 把当前元素key值添加到hash对象
+          item[this.labelKey] && result.push(item); // 把当前元素放入结果数组
         }
         return result; // 返回结果数组
       }, []);
--
libgit2 0.21.0