chore: update deps

src/router/scrollBehaviour.ts

@@ -0,0 +1,58 @@
+/**
+ * Handles the scroll behavior on route navigation
+ *
+ * @param {object} to Route object of next page
+ * @param {object} from Route object of previous page
+ * @param {object} savedPosition Used by popstate navigations
+ * @returns {(object|boolean)} Scroll position or `false`
+ */
+// @ts-ignore
+export async function scrollBehavior(to, from, savedPosition) {
+  await scrollWaiter.wait();
+  // Use predefined scroll behavior if defined, defaults to no scroll behavior
+  const behavior = document.documentElement.style.scrollBehavior || 'auto';
+
+  // Returning the `savedPosition` (if available) will result in a native-like
+  // behavior when navigating with back/forward buttons
+  if (savedPosition) {
+    return { ...savedPosition, behavior };
+  }
+
+  // Scroll to anchor by returning the selector
+  if (to.hash) {
+    return { el: decodeURI(to.hash), behavior };
+  }
+
+  // Check if any matched route config has meta that discourages scrolling to top
+  if (to.matched.some((m: any) => m.meta.scrollToTop === false)) {
+    // Leave scroll as it is
+    return false;
+  }
+
+  // Always scroll to top
+  return { left: 0, top: 0, behavior };
+}
+
+// see https://github.com/vuejs/vue-router-next/blob/master/playground/scrollWaiter.ts
+class ScrollQueue {
+  private resolve: (() => void) | null = null;
+  private promise: Promise<any> | null = null;
+
+  add() {
+    this.promise = new Promise((resolve) => {
+      this.resolve = resolve;
+    });
+  }
+
+  flush() {
+    this.resolve && this.resolve();
+    this.resolve = null;
+    this.promise = null;
+  }
+
+  async wait() {
+    await this.promise;
+  }
+}
+
+export const scrollWaiter = new ScrollQueue();