refactor(util): 移动组件内部依赖的 util 到 core/utils 目录

Author: juzi214032

commitlint.config.js

@@ -13,6 +13,7 @@ module.exports = {
         'VuePress',
         'package.json',
         'README',
+        'util',
         '.editorconfig',
         '.gitignore',
         'commitlint',

dist/collapse-item/index.js

@@ -1,5 +1,5 @@
 
-<label class='form-item {{disabled? "disabled": ""}} l-class form-item-{{labelLayout}}' style="width:{{width}}rpx">
+<label class='form-item {{disabled? "disabled": ""}} l-class form-item-{{labelLayout}}' style="widthform-item:{{width}}rpx">
   <view class="mask" wx:if="{{disabled}}"></view>
   <view class="row" hidden="{{ showRow ? '' : 'hidden' }}" style="width:{{width}}rpx;"></view>
   <view wx:if="{{label && !labelCustom}}" hidden="{{hideLabel}}" class="form-label l-label-class form-label-{{labelLayout}}" style='{{labelLayout !== "top" ? "width:"+ labelWidth+ "rpx;" : "" }} height:{{labelLayout=== "top" ? labelWidth + "rpx" : "" }}'>