WIP: Popper integration

- adds dropdown events: opening, opened, closing, closed

docs/.vuepress/components/Popper.vue

@@ -0,0 +1,23 @@
+<template>
+  <v-select :options="books" :position="position" label="title"/>
+</template>
+
+<script>
+import books from '../data/books';
+import Popper from 'popper.js';
+
+export default {
+  data: () => ({
+    books,
+  }),
+  methods: {
+    position ({$refs}) {
+      if ($refs.dropdownMenu) {
+        new Popper($refs.toggle, $refs.dropdownMenu, {
+          placement: 'top',
+        });
+      }
+    },
+  },
+};
+</script>

docs/README.md

@@ -36,3 +36,6 @@ If you want to get a quick sense of what vue-select can do, check out
 - **[CodePen Template](http://codepen.io/sagalbot/pen/NpwrQO)**
 - **[GitHub](https://github.com/sagalbot/vue-select)**
 - **[Projects](https://github.com/sagalbot/vue-select/projects)**
+
+
+<Popper />