From b60c2cac8cc3737e755bc560264bf332e37ad005 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9D=A8=E5=A5=95?=
 <Leopoldthecoder@users.noreply.github.com>
Date: Thu, 15 Mar 2018 12:28:15 +0800
Subject: [PATCH] Form: make filter conditions for getFilteredRule clearer
 (#10181)

---
 packages/form/src/form-item.vue | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/packages/form/src/form-item.vue b/packages/form/src/form-item.vue
index 1e1a524fc..d5c1b94c5 100644
--- a/packages/form/src/form-item.vue
+++ b/packages/form/src/form-item.vue
@@ -243,7 +243,12 @@
         const rules = this.getRules();
 
         return rules.filter(rule => {
-          return !rule.trigger || rule.trigger.indexOf(trigger) !== -1 || (Array.isArray(rule.trigger) && trigger === '');
+          if (!rule.trigger || trigger === '') return true;
+          if (Array.isArray(rule.trigger)) {
+            return rule.trigger.indexOf(trigger) > -1;
+          } else {
+            return rule.trigger === trigger;
+          }
         }).map(rule => objectAssign({}, rule));
       },
       onFieldBlur() {