perf: update to vue 2.6.x

components/_util/props-util.js

@@ -60,6 +60,13 @@ const getSlots = ele => {
   });
   return slots;
 };
+const getSlot = (self, name = 'default', options = {}) => {
+  return (
+    (self.$scopedSlots && self.$scopedSlots[name] && self.$scopedSlots[name](options)) ||
+    self.$slots[name] ||
+    []
+  );
+};
 const getAllChildren = ele => {
   let componentOptions = ele.componentOptions || {};
   if (ele.$vnode) {
@@ -105,9 +112,9 @@ const getComponentFromProp = (instance, prop, options = instance, execute = true
       return typeof temp === 'function' && execute ? temp(h, options) : temp;
     }
     return (
-      instance.$slots[prop] ||
       (instance.$scopedSlots[prop] && execute && instance.$scopedSlots[prop](options)) ||
       instance.$scopedSlots[prop] ||
+      instance.$slots[prop] ||
       undefined
     );
   } else {
@@ -289,6 +296,7 @@ export {
   isValidElement,
   camelize,
   getSlots,
+  getSlot,
   getAllProps,
   getAllChildren,
 };

components/vc-align/Align.jsx

@@ -4,6 +4,7 @@ import addEventListener from '../_util/Dom/addEventListener';
 import { isWindow, buffer, isSamePoint } from './util';
 import { cloneElement } from '../_util/vnode.js';
 import clonedeep from 'lodash/cloneDeep';
+import { getSlot } from '../_util/props-util';
 
 function getElement(func) {
   if (typeof func !== 'function' || !func) return null;
@@ -133,8 +134,8 @@ export default {
 
   render() {
     const { childrenProps } = this.$props;
-    const child = this.$slots.default[0];
-    if (childrenProps) {
+    const child = getSlot(this)[0];
+    if (child && childrenProps) {
       return cloneElement(child, { props: childrenProps });
     }
     return child;

package.json

@@ -56,8 +56,8 @@
     "prettier"
   ],
   "peerDependencies": {
-    "vue": ">=2.5.0",
-    "vue-template-compiler": ">=2.5.0"
+    "vue": ">=2.6.6",
+    "vue-template-compiler": ">=2.6.6"
   },
   "devDependencies": {
     "@commitlint/cli": "^6.2.0",
@@ -153,17 +153,17 @@
     "through2": "^2.0.3",
     "uglifyjs-webpack-plugin": "^2.1.1",
     "url-loader": "^1.1.2",
-    "vue": "^2.5.16",
+    "vue": "^2.6.6",
     "vue-antd-md-loader": "^1.1.0",
     "vue-clipboard2": "0.0.8",
     "vue-eslint-parser": "^5.0.0",
     "vue-i18n": "^8.3.2",
     "vue-infinite-scroll": "^2.0.2",
     "vue-jest": "^2.5.0",
-    "vue-loader": "^15.5.1",
+    "vue-loader": "^15.6.2",
     "vue-router": "^3.0.1",
-    "vue-server-renderer": "^2.5.16",
-    "vue-template-compiler": "^2.5.16",
+    "vue-server-renderer": "^2.6.6",
+    "vue-template-compiler": "^2.6.6",
     "vue-virtual-scroller": "^0.12.0",
     "vuex": "^3.1.0",
     "webpack": "^4.28.4",