feat: add afterNavigation callback (fix: #259)

src/client/refresh.js

@@ -30,6 +30,6 @@ export default function _refresh(options = {}) {
       metaInfo.changed.call(this, metaInfo, tags.addedTags, tags.removedTags)
     }
 
-    return metaInfo
+    return { vm: this, metaInfo, tags }
   }
 }

src/shared/mixin.js

@@ -81,7 +81,12 @@ export default function createMixin(Vue, options) {
                 next()
               })
 
-              $router.afterEach(() => $rootMeta.resume())
+              $router.afterEach(() => {
+                const { vm, metaInfo } = $rootMeta.resume()
+                if (metaInfo && metaInfo.afterNavigation && isFunction(metaInfo.afterNavigation)) {
+                  metaInfo.afterNavigation.call(vm, metaInfo)
+                }
+              })
             }
           }
         }

src/shared/options.js

@@ -1,4 +1,4 @@
-import { isObject } from './typeof'
+import { isObject, isFunction } from './typeof'
 
 import {
   keyName,
@@ -29,5 +29,15 @@ export default function setOptions(options) {
     }
   }
 
+  if (options.afterNavigation && !isFunction(options.afterNavigation)) {
+    console.warn(`afterNavigation should be a function, received ${typeof options.afterNavigation} instead`) // eslint-disable-line no-console
+    options.afterNavigation = void 0
+    return options
+  }
+
+  if (options.afterNavigation && !options.refreshOnceOnNavigation) {
+    options.refreshOnceOnNavigation = true
+  }
+
   return options
 }