update

src/components/breadcrumb/breadcrumb-item.vue

@@ -15,26 +15,12 @@
 <script>
     import mixinsLink from '../../mixins/link';
     const prefixCls = 'ivu-breadcrumb-item';
-    import { oneOf } from '../../utils/assist';
 
     export default {
         name: 'BreadcrumbItem',
         mixins: [ mixinsLink ],
         props: {
-            to: {
+
-                type: [Object, String]
-            },
-            replace: {
-                type: Boolean,
-                default: false
-            },
-            target: {
-                type: String,
-                validator (value) {
-                    return oneOf(value, ['_blank', '_self', '_parent', '_top']);
-                },
-                default: '_self'
-            }
         },
         data () {
             return {

src/components/button/button.vue

@@ -68,20 +68,6 @@
                 type: Boolean,
                 default: false
             },
-            to: {
-                type: [Object, String]
-            },
-            replace: {
-                type: Boolean,
-                default: false
-            },
-            target: {
-                type: String,
-                validator (value) {
-                    return oneOf(value, ['_blank', '_self', '_parent', '_top']);
-                },
-                default: '_self'
-            }
         },
         data () {
             return {

src/components/menu/menu-item.vue

@@ -4,7 +4,7 @@
 </template>
 <script>
     import Emitter from '../../mixins/emitter';
-    import { findComponentUpward, oneOf } from '../../utils/assist';
+    import { findComponentUpward } from '../../utils/assist';
     const prefixCls = 'ivu-menu';
     import mixin from './mixin';
     import mixinsLink from '../../mixins/link';
@@ -21,20 +21,6 @@
                 type: Boolean,
                 default: false
             },
-            to: {
-                type: [Object, String]
-            },
-            replace: {
-                type: Boolean,
-                default: false
-            },
-            target: {
-                type: String,
-                validator (value) {
-                    return oneOf(value, ['_blank', '_self', '_parent', '_top']);
-                },
-                default: '_self'
-            }
         },
         data () {
             return {

src/mixins/link.js

@@ -1,4 +1,22 @@
+import { oneOf } from '../utils/assist';
+
 export default {
+    props: {
+        to: {
+            type: [Object, String]
+        },
+        replace: {
+            type: Boolean,
+            default: false
+        },
+        target: {
+            type: String,
+            validator (value) {
+                return oneOf(value, ['_blank', '_self', '_parent', '_top']);
+            },
+            default: '_self'
+        }
+    },
     computed: {
         linkUrl () {
             const type = typeof this.to;