From 6b1c2fbdd5dbb347fe47766008b4d9054ac7828e Mon Sep 17 00:00:00 2001
From: handongxun <handongxun@dcloud.io>
Date: Thu, 13 Jun 2019 15:08:34 +0800
Subject: [PATCH] =?UTF-8?q?fix(mp):=20mp-alipay=20uni.createSelectorQuery?=
 =?UTF-8?q?=20fields=20=E6=8A=A5=E9=94=99=E9=97=AE=E9=A2=98=EF=BC=8C?=
 =?UTF-8?q?=E7=9B=AE=E5=89=8D=E4=B8=8Eapp/=E5=BE=AE=E4=BF=A1=E8=BF=98?=
 =?UTF-8?q?=E6=98=AF=E6=9C=89=E5=B7=AE=E5=BC=82,=E4=B8=80=E6=AC=A1?=
 =?UTF-8?q?=E5=8F=AA=E8=83=BD=E4=BC=A0=E5=85=A51=E4=B8=AA=E5=8F=82?=
 =?UTF-8?q?=E6=95=B0,=E5=A4=9A=E4=B8=AA=E5=8F=82=E6=95=B0=E9=9C=80?=
 =?UTF-8?q?=E8=A6=81=E5=86=8D=E6=AC=A1select?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/platforms/mp-alipay/service/api/index.js | 56 ++++++++++++++++++++
 1 file changed, 56 insertions(+)

diff --git a/src/platforms/mp-alipay/service/api/index.js b/src/platforms/mp-alipay/service/api/index.js
index bef4c2478..ddd302f3e 100644
--- a/src/platforms/mp-alipay/service/api/index.js
+++ b/src/platforms/mp-alipay/service/api/index.js
@@ -1,4 +1,5 @@
 import {
+  isFn,
   hasOwn
 } from 'uni-shared'
 
@@ -32,3 +33,58 @@ export function startGyroscope (params) {
     errMsg: 'startGyroscope:ok'
   })
 }
+
+function createExecCallback (execCallback) {
+  return function wrapperExecCallback (res) {
+    this.actions.forEach((action, index) => {
+      (action._$callbacks || []).forEach(callback => {
+        callback(res[index])
+      })
+    })
+    execCallback(res)
+  }
+}
+
+function addCallback (callback) {
+  if (isFn(callback)) {
+    const action = this.actions[this.actions.length - 1]
+    if (action) {
+      (action._$callbacks || (action._$callbacks = [])).push(callback)
+    }
+  }
+}
+
+export function createSelectorQuery () {
+  const query = my.createSelectorQuery()
+
+  const oldExec = query.exec
+  const oldScrollOffset = query.scrollOffset
+  const oldBoundingClientRect = query.boundingClientRect
+  query.exec = function exec (callback) {
+    return oldExec.call(this, createExecCallback(callback).bind(this))
+  }
+  query.scrollOffset = function scrollOffset (callback) {
+    const ret = oldScrollOffset.call(this)
+    addCallback.call(this, callback)
+    return ret
+  }
+  query.boundingClientRect = function boundingClientRect (callback) {
+    const ret = oldBoundingClientRect.call(this)
+    addCallback.call(this, callback)
+    return ret
+  }
+
+  if (!query.fields) {
+    query.fields = function ({ rect, size, scrollOffset } = {}, callback) {
+      if (rect || size) {
+        this.boundingClientRect()
+      }
+      if (scrollOffset) {
+        this.scrollOffset()
+      }
+      addCallback.call(this, callback)
+      return this
+    }
+  }
+  return query
+}
-- 
GitLab