fix issue #163 , array findIndex

src/common/helpers/util.js

+function findIndex(ary, fn) {
+  if (ary.findIndex) {
+    return ary.findIndex(fn)
+  }
+  let index = -1
+  ary.some(function (item, i, ary) {
+    const ret = fn.call(this, item, i, ary)
+    if (ret) {
+      index = i
+      return ret
+    }
+  })
+  return index
+}
+
 function deepAssign(to, from) {
   for (let key in from) {
     if (!to[key] || typeof to[key] !== 'object') {
@@ -65,4 +80,4 @@ function resetTypeValue(obj, key, defVal) {
   }
 }
 
-export { deepAssign, createAddAPI, toLocaleDateString, resetTypeValue }
+export { findIndex, deepAssign, createAddAPI, toLocaleDateString, resetTypeValue }

src/components/date-picker/date-picker.vue

@@ -17,7 +17,7 @@
 <script>
   import apiMixin from '../../common/mixins/api'
   import pickerMixin from '../../common/mixins/picker'
-  import { deepAssign } from '../../common/helpers/util'
+  import { deepAssign, findIndex } from '../../common/helpers/util'
   import { computeNatureMaxDay, formatType } from '../../common/lang/date'
 
   const COMPONENT_NAME = 'cube-date-picker'
@@ -145,13 +145,13 @@
       selectedIndex() {
         let selectedIndex = []
         let data = this.data
-        let findIndex
+        let index
 
         for (let i = 0; i < this.columnCount && i < 6 - this.startIndex; i++) {
-          findIndex = data.findIndex((item) => {
+          index = findIndex(data, (item) => {
             return this.valueArray[i] && item.value === this.valueArray[i]
           })
-          selectedIndex[i] = findIndex !== -1 ? findIndex : 0
+          selectedIndex[i] = index !== -1 ? index : 0
           data = data[selectedIndex[i]].children
         }
 

src/components/select/select.vue

@@ -7,6 +7,7 @@
 </template>
 
 <script>
+  import { findIndex } from '../../common/helpers/util'
   const COMPONENT_NAME = 'cube-select'
 
   const EVENT_CHANGE = 'change'
@@ -67,23 +68,23 @@
           return item
         })]
       },
-      findIndex() {
-        const findIndex = this.adaptOptions[0].findIndex((item) => {
+      valueIndex() {
+        const index = findIndex(this.adaptOptions[0], (item) => {
           return item.value === this.value
         })
-        this.picker && this.picker.setData(this.adaptOptions, findIndex !== -1 ? [findIndex] : [0])
+        this.picker && this.picker.setData(this.adaptOptions, index !== -1 ? [index] : [0])
 
-        return findIndex
+        return index
       },
       selectedText() {
-        return this.findIndex !== -1 ? this.adaptOptions[0][this.findIndex].text : ''
+        return this.valueIndex !== -1 ? this.adaptOptions[0][this.valueIndex].text : ''
       }
     },
     created() {
       this.picker = this.$createPicker({
         title: this.title,
         data: this.adaptOptions,
-        selectedIndex: this.findIndex !== -1 ? [this.findIndex] : [0],
+        selectedIndex: this.valueIndex !== -1 ? [this.valueIndex] : [0],
         cancelTxt: this.cancelTxt,
         confirmTxt: this.confirmTxt,
         onSelect: this.hided,