From 4006a86cec5f2cc4ae7fd0a8a7be883eae75b559 Mon Sep 17 00:00:00 2001
From: neverland <chenjiahan@buaa.edu.cn>
Date: Tue, 13 Mar 2018 16:36:56 +0800
Subject: [PATCH] [Improvement] PullRefresh: support trigger loading animation
 (#684)

---
 docs/demos/views/pull-refresh.vue | 2 +-
 packages/pull-refresh/index.vue   | 6 ++----
 test/specs/sku.spec.js            | 8 +++++++-
 3 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/docs/demos/views/pull-refresh.vue b/docs/demos/views/pull-refresh.vue
index f63c6c214..a8ed2990f 100644
--- a/docs/demos/views/pull-refresh.vue
+++ b/docs/demos/views/pull-refresh.vue
@@ -45,7 +45,7 @@ export default {
   .van-pull-refresh {
     &,
     &__track {
-      height: 100%;
+      height: calc(100vh - 50px);
     }
   }
 
diff --git a/packages/pull-refresh/index.vue b/packages/pull-refresh/index.vue
index c895dcd36..9646d81cd 100644
--- a/packages/pull-refresh/index.vue
+++ b/packages/pull-refresh/index.vue
@@ -76,10 +76,8 @@ export default create({
 
   watch: {
     value(val) {
-      if (!val) {
-        this.duration = this.animationDuration;
-        this.getStatus(0);
-      }
+      this.duration = this.animationDuration;
+      this.getStatus(val ? this.headHeight : 0, val);
     }
   },
 
diff --git a/test/specs/sku.spec.js b/test/specs/sku.spec.js
index f687a13cf..4fbf01613 100644
--- a/test/specs/sku.spec.js
+++ b/test/specs/sku.spec.js
@@ -4,7 +4,6 @@ import Toast from 'packages/toast';
 import { mount } from 'avoriaz';
 import { DOMChecker } from '../utils';
 import skuMockData from '../../docs/demos/mock/sku';
-import repeat from 'lodash/repeat';
 
 const data = skuMockData['zh-CN'];
 const { skuHelper } = Sku;
@@ -13,6 +12,13 @@ const initialSku = {
   s1: '30349',
   s2: '1193'
 };
+const repeat = (str, count) => {
+  let result = '';
+  for (let i = 0; i < count; i++) {
+    result += str;
+  }
+  return result;
+};
 
 const File = function() {
   this.name = 'test';