feat: add autoscroll boolean prop (#1160)

* feat: add autoscroll boolean prop

Fixes #449

* refactor: update autoscroll implementation

Closes #1028
Closes #910

* refactor: only call maybeAdjustScroll in the watcher

* docs: upgrade vuepress

docs/api/props.md

@@ -1,3 +1,16 @@
+## autoscroll <Badge text="v3.10.0+" />
+
+When true, the dropdown will automatically scroll to ensure
+that the option highlighted is fully within the dropdown viewport
+when navigating with keyboard arrows.
+
+```js
+autoscroll: {
+  type: Boolean,
+  default: true
+}
+```
+
 ## appendToBody <Badge text="v3.7.0+" />
 
 Append the dropdown element to the end of the body

docs/package.json

@@ -10,23 +10,23 @@
   "devDependencies": {
     "@octokit/graphql": "^4.3.1",
     "@popperjs/core": "^2.1.0",
-    "@vuepress/plugin-active-header-links": "^1.0.0-alpha.47",
-    "@vuepress/plugin-google-analytics": "^1.0.0-alpha.47",
-    "@vuepress/plugin-nprogress": "^1.0.0-alpha.47",
-    "@vuepress/plugin-pwa": "^1.0.0-alpha.47",
-    "@vuepress/plugin-register-components": "^1.0.0-alpha.47",
-    "@vuepress/plugin-search": "^1.0.0-alpha.47",
+    "@vuepress/plugin-active-header-links": "^1.4.0",
+    "@vuepress/plugin-google-analytics": "^1.4.0",
+    "@vuepress/plugin-nprogress": "^1.4.0",
+    "@vuepress/plugin-pwa": "^1.4.0",
+    "@vuepress/plugin-register-components": "^1.4.0",
+    "@vuepress/plugin-search": "^1.4.0",
     "axios": "^0.19.2",
-    "cross-env": "^5.2.0",
+    "cross-env": "^7.0.2",
     "date-fns": "^2.11.0",
     "dotenv": "^8.2.0",
-    "fuse.js": "^3.4.4",
-    "gh-pages": "^0.11.0",
+    "fuse.js": "^5.1.0",
+    "gh-pages": "^2.2.0",
     "node-sass": "^4.12.0",
     "octonode": "^0.9.5",
-    "sass-loader": "^7.1.0",
+    "sass-loader": "^8.0.2",
     "vue": "^2.6.10",
-    "vuepress": "^1.0.0-alpha.47",
+    "vuepress": "^1.4.0",
     "vuex": "^3.1.0"
   }
 }