From 765064a190b1a24dfb9ae808e99807ddae2ed212 Mon Sep 17 00:00:00 2001
From: Mikasa33 <mikasa33@qq.com>
Date: Tue, 25 May 2021 01:17:32 +0800
Subject: [PATCH] feat(form): requires Increase function type value (#649)
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* feat(form): requires Increase function type value

* feat(form): requires Increase function type value

* fix(form): 修复 rules 赋值错误的问题
---
 src/components/Form/src/components/FormItem.vue | 8 ++++++--
 src/components/Form/src/types/form.ts           | 2 +-
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/components/Form/src/components/FormItem.vue b/src/components/Form/src/components/FormItem.vue
index 57b63ac7..b9701e0b 100644
--- a/src/components/Form/src/components/FormItem.vue
+++ b/src/components/Form/src/components/FormItem.vue
@@ -174,8 +174,12 @@
           return Promise.resolve();
         }
 
-        if ((!rules || rules.length === 0) && required) {
-          rules = [{ required, validator }];
+        const getRequired = isFunction(required)
+          ? required(unref(getValues))
+          : required;
+
+        if ((!rules || rules.length === 0) && getRequired) {
+          rules = [{ required: getRequired, validator }];
         }
 
         const requiredRuleIndex: number = rules.findIndex(
diff --git a/src/components/Form/src/types/form.ts b/src/components/Form/src/types/form.ts
index 1cc0b16c..d5159aac 100644
--- a/src/components/Form/src/types/form.ts
+++ b/src/components/Form/src/types/form.ts
@@ -149,7 +149,7 @@ export interface FormSchema {
       }) => Recordable)
     | object;
   // Required
-  required?: boolean;
+  required?: boolean | ((renderCallbackParams: RenderCallbackParams) => boolean);
 
   suffix?: string | number | ((values: RenderCallbackParams) => string | number);