[bugfix] Picker: misspelling of visibleItemCount (#549)

packages/picker/PickerColumn.vue

@@ -40,7 +40,7 @@ export default create({
       type: Array,
       default: () => []
     },
-    visibileColumnCount: {
+    visibleItemCount: {
       type: Number,
       default: 5
     },
@@ -90,12 +90,12 @@ export default create({
     },
 
     baseOffset() {
-      return this.itemHeight * (this.visibileColumnCount - 1) / 2;
+      return this.itemHeight * (this.visibleItemCount - 1) / 2;
     },
 
     columnStyle() {
       return {
-        height: (this.itemHeight * this.visibileColumnCount) + 'px'
+        height: (this.itemHeight * this.visibleItemCount) + 'px'
       };
     },
 

packages/picker/index.vue

@@ -16,7 +16,7 @@
         :class-name="item.className"
         :default-index="item.defaultIndex"
         :item-height="itemHeight"
-        :visibile-column-count="visibileColumnCount"
+        :visible-item-count="visibleItemCount"
         @change="onChange(index)"
       />
       <div class="van-picker__frame van-hairline--top-bottom" :style="frameStyle" />
@@ -41,7 +41,7 @@ export default create({
     showToolbar: Boolean,
     confirmButtonText: String,
     cancelButtonText: String,
-    visibileColumnCount: Number,
+    visibleItemCount: Number,
     valueKey: {
       type: String,
       default: 'text'