From c05143cf2c754e333f41b819f28aa1f5d8b1d6c8 Mon Sep 17 00:00:00 2001
From: Lightling <contact@lightling.xyz>
Date: Thu, 30 May 2024 17:27:50 -0400
Subject: [PATCH] guard against same-route links

---
 libs/embeds/src/link.ts                       | 10 ++++-
 .../src/components/shared/header-link.vue     |  5 ++-
 .../components/shared/router-link-guard.vue   | 44 +++++++++++++++++++
 3 files changed, 57 insertions(+), 2 deletions(-)
 create mode 100644 projects/frontend/src/components/shared/router-link-guard.vue

diff --git a/libs/embeds/src/link.ts b/libs/embeds/src/link.ts
index 5b28aaf..60bf404 100644
--- a/libs/embeds/src/link.ts
+++ b/libs/embeds/src/link.ts
@@ -31,7 +31,9 @@ export class LinkEmbed extends HTMLElement {
       if (_link.dataset?.href?.startsWith('/') && !!window.router) {
         e.preventDefault()
         const route = window.router.resolve({ path: _link.dataset.href })
-        window.router.push(route)
+        if (route.path !== window.router.currentRoute.value.path) {
+          window.router.push(route)
+        }
       }
     })
     this._observers.href = {
@@ -40,6 +42,12 @@ export class LinkEmbed extends HTMLElement {
         const { element } = this._observers.href
         element!.setAttribute('href', newVal)
         element!.dataset.href = newVal
+        if (!!window.router) {
+          const route = window.router.resolve({ path: newVal })
+          if (route.path === window.router.currentRoute.value.path) {
+            element!.classList.add('current-route')
+          }
+        }
       },
     }
     this._observers.target = {
diff --git a/projects/frontend/src/components/shared/header-link.vue b/projects/frontend/src/components/shared/header-link.vue
index b5f57d7..f9e64df 100644
--- a/projects/frontend/src/components/shared/header-link.vue
+++ b/projects/frontend/src/components/shared/header-link.vue
@@ -1,8 +1,11 @@
 <script setup lang="ts">
 import { computed } from 'vue'
 import { type HeaderEntry } from '@goldenwere/mackenzii-types'
+
 import { useRouteStore } from 'src/routes'
 
+import RouterLinkGuard from './router-link-guard.vue'
+
 const props = defineProps<{
   entry: HeaderEntry,
 }>()
@@ -29,7 +32,7 @@ li.header-entry
     :target='entry.target || "_self"'
   )
     span {{ entry.displayName }}
-  router-link(
+  RouterLinkGuard(
     v-else
     :to='{ name }'
     :target='entry.target || "_self"'
diff --git a/projects/frontend/src/components/shared/router-link-guard.vue b/projects/frontend/src/components/shared/router-link-guard.vue
new file mode 100644
index 0000000..ab97fca
--- /dev/null
+++ b/projects/frontend/src/components/shared/router-link-guard.vue
@@ -0,0 +1,44 @@
+<script setup lang="ts">
+import { computed, ref } from 'vue'
+import { RouterLink, useRouter } from 'vue-router'
+
+import { getCurrentRoute } from 'src/utilities/vuetils'
+
+const props = defineProps({
+  // @ts-ignore
+  ...RouterLink.props,
+})
+
+let route = ref(getCurrentRoute())
+const router = useRouter()
+const to = router.resolve(props.to)
+const isExternalLink = computed(() => typeof props.to === 'string' && props.to.startsWith('http'))
+const isCurrentRoute = computed(() => to.fullPath === route.value.fullPath)
+router.afterEach(() => {
+  route.value = getCurrentRoute()
+})
+</script>
+
+<template lang="pug">
+span
+  a.external-link(
+    v-if='isExternalLink'
+  )
+    slot
+  span.current-route(
+    v-else-if='isCurrentRoute'
+  )
+    slot
+  router-link(
+    v-else
+    v-bind='$props'
+    custom
+    v-slot='{ href, navigate }'
+  )
+    a(
+      v-bind='$attrs'
+      :href='href'
+      @click='navigate'
+    )
+      slot
+</template>