From 5d278ba3b1702f2dd3f23ecd48c41e546c5eda39 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=99=88=E5=98=89=E6=B6=B5?= <chenjiahan@meituan.com>
Date: Fri, 29 Sep 2017 17:19:56 +0800
Subject: [PATCH] fix: remove unnecessary supports in wap browser

---
 packages/utils/transition.js       | 33 +++---------------------------
 packages/vant-css/scripts/build.sh |  1 -
 packages/vant-css/src/icon.css     |  1 -
 packages/vant-css/src/reset.css    |  1 -
 packages/vant-css/src/stepper.css  |  3 ---
 5 files changed, 3 insertions(+), 36 deletions(-)

diff --git a/packages/utils/transition.js b/packages/utils/transition.js
index 698e2d730..104c86f1f 100644
--- a/packages/utils/transition.js
+++ b/packages/utils/transition.js
@@ -3,36 +3,14 @@ import Vue from 'vue';
 var exportObj = {};
 
 if (!Vue.prototype.$isServer) {
-  var docStyle = document.documentElement.style;
-  var engine;
-  var translate3d = false;
-
-  if (window.opera && Object.prototype.toString.call(window.opera) === '[object Opera]') {
-    engine = 'presto';
-  } else if ('MozAppearance' in docStyle) {
-    engine = 'gecko';
-  } else if ('WebkitAppearance' in docStyle) {
-    engine = 'webkit';
-  } else if (typeof navigator.cpuClass === 'string') {
-    engine = 'trident';
-  }
-
-  var cssPrefix = { trident: '-ms-', gecko: '-moz-', webkit: '-webkit-', presto: '-o-' }[engine];
-
-  var vendorPrefix = { trident: 'ms', gecko: 'Moz', webkit: 'Webkit', presto: 'O' }[engine];
-
-  var helperElem = document.createElement('div');
-  var perspectiveProperty = vendorPrefix + 'Perspective';
+  var cssPrefix = '-webkit-';
+  var vendorPrefix = 'Webkit';
   var transformProperty = vendorPrefix + 'Transform';
   var transformStyleName = cssPrefix + 'transform';
   var transitionProperty = vendorPrefix + 'Transition';
   var transitionStyleName = cssPrefix + 'transition';
   var transitionEndProperty = vendorPrefix.toLowerCase() + 'TransitionEnd';
 
-  if (helperElem.style[perspectiveProperty] !== undefined) {
-    translate3d = true;
-  }
-
   var getTranslate = function(element) {
     var result = { left: 0, top: 0 };
     if (element === null || element.style === null) return result;
@@ -65,12 +43,7 @@ if (!Vue.prototype.$isServer) {
     }
 
     cancelTranslateElement(element);
-
-    if (translate3d) {
-      element.style[transformProperty] += ' translate(' + (x ? (x + 'px') : '0px') + ',' + (y ? (y + 'px') : '0px') + ') translateZ(0px)';
-    } else {
-      element.style[transformProperty] += ' translate(' + (x ? (x + 'px') : '0px') + ',' + (y ? (y + 'px') : '0px') + ')';
-    }
+    element.style[transformProperty] += ' translate(' + (x ? (x + 'px') : '0px') + ',' + (y ? (y + 'px') : '0px') + ')';
   };
 
   var cancelTranslateElement = function(element) {
diff --git a/packages/vant-css/scripts/build.sh b/packages/vant-css/scripts/build.sh
index 968965790..de0c3475e 100644
--- a/packages/vant-css/scripts/build.sh
+++ b/packages/vant-css/scripts/build.sh
@@ -73,7 +73,6 @@ cat > $basepath/../src/icon.css <<EOF
 
   /* Font smoothing. That was taken from TWBS */
   -webkit-font-smoothing: antialiased;
-  -moz-osx-font-smoothing: grayscale;
 
   /* Uncomment for 3D effect */
   /* text-shadow: 1px 1px 1px rgba(127, 127, 127, 0.3); */
diff --git a/packages/vant-css/src/icon.css b/packages/vant-css/src/icon.css
index 08f66012d..2522ef749 100644
--- a/packages/vant-css/src/icon.css
+++ b/packages/vant-css/src/icon.css
@@ -39,7 +39,6 @@
 
   /* Font smoothing. That was taken from TWBS */
   -webkit-font-smoothing: antialiased;
-  -moz-osx-font-smoothing: grayscale;
 
   /* Uncomment for 3D effect */
   /* text-shadow: 1px 1px 1px rgba(127, 127, 127, 0.3); */
diff --git a/packages/vant-css/src/reset.css b/packages/vant-css/src/reset.css
index baed4bd5a..30b06ae69 100644
--- a/packages/vant-css/src/reset.css
+++ b/packages/vant-css/src/reset.css
@@ -67,5 +67,4 @@ textarea {
   font-family: inherit;
   margin: 0;
   -webkit-appearance: none;
-      -moz-appearance: none;
 }
diff --git a/packages/vant-css/src/stepper.css b/packages/vant-css/src/stepper.css
index 479861c82..277058ced 100644
--- a/packages/vant-css/src/stepper.css
+++ b/packages/vant-css/src/stepper.css
@@ -86,7 +86,4 @@
     -webkit-appearance: none;
     margin: 0;
   }
-  input[type=number] {
-    -moz-appearance: textfield;
-  }
 }