From 075a9d115b3497a13d6ca8453045d0c267b0958e Mon Sep 17 00:00:00 2001
From: Ayo <ramon.aycojr@gmail.com>
Date: Sun, 29 Jan 2023 00:39:03 +0100
Subject: [PATCH] feat: clean shared link in the parsed html if conditions are
 met

---
 components/status/StatusBody.vue              | 16 +++++++++++++++
 components/status/StatusContent.vue           |  7 ++++++-
 components/status/StatusPreviewCard.vue       |  5 +++--
 components/status/StatusPreviewCardNormal.vue |  4 +++-
 composables/content-parse.ts                  | 20 ++++++++++++++++++-
 5 files changed, 47 insertions(+), 5 deletions(-)

diff --git a/components/status/StatusBody.vue b/components/status/StatusBody.vue
index 733f9974..8a41e050 100644
--- a/components/status/StatusBody.vue
+++ b/components/status/StatusBody.vue
@@ -5,15 +5,29 @@ const {
   status,
   newer,
   withAction = true,
+  cleanSharedLink,
 } = defineProps<{
   status: mastodon.v1.Status | mastodon.v1.StatusEdit
   newer?: mastodon.v1.Status
   withAction?: boolean
+  cleanSharedLink?: string | false
 }>()
 
 const { translation } = useTranslation(status, getLanguageCode())
 
 const emojisObject = useEmojisFallback(() => status.emojis)
+
+/**
+ * example status raw content
+ *
+ * <p>🔴 trying to code live - come let&#39;s talk <span class="h-card"><a href="https://m.webtoo.ls/@elk" class="u-url mention">@<span>elk</span></a></span> and <a href="https://social.ayco.io/tags/opensource" class="mention hashtag" rel="tag">#<span>opensource</span></a> <a href="https://www.twitch.tv/ayoayco" target="_blank" rel="nofollow noopener noreferrer"><span class="invisible">https://www.</span><span class="">twitch.tv/ayoayco</span><span class="invisible"></span></a></p>
+ *
+ *
+ * "<p>I say something about the link first</p><p><a href=\"https://ayco.io\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"><span class=\"invisible\">https://</span><span class=\"\">ayco.io</span><span class=\"invisible\"></span></a></p>"
+
+ *
+ */
+
 const vnode = $computed(() => {
   if (!status.content)
     return null
@@ -24,7 +38,9 @@ const vnode = $computed(() => {
     collapseMentionLink: !!('inReplyToId' in status && status.inReplyToId),
     status: 'id' in status ? status : undefined,
     inReplyToStatus: newer,
+    cleanSharedLink,
   })
+
   return vnode
 })
 </script>
diff --git a/components/status/StatusContent.vue b/components/status/StatusContent.vue
index 459f4cd7..01a84355 100644
--- a/components/status/StatusContent.vue
+++ b/components/status/StatusContent.vue
@@ -16,6 +16,10 @@ const filter = $computed(() => filterResult?.filter)
 
 const filterPhrase = $computed(() => filter?.title)
 const isFiltered = $computed(() => filterPhrase && (context && context !== 'details' ? filter?.context.includes(context) : false))
+
+const cleanSharedLink = !status.poll
+  && !status.mediaAttachments.length
+  && status.card?.url
 </script>
 
 <template>
@@ -34,7 +38,7 @@ const isFiltered = $computed(() => filterPhrase && (context && context !== 'deta
       <template v-else-if="status.spoilerText" #spoiler>
         <p>{{ status.spoilerText }}</p>
       </template>
-      <StatusBody v-if="!status.sensitive || status.spoilerText" :status="status" :newer="newer" :with-action="!isDetails" :class="isDetails ? 'text-xl' : ''" />
+      <StatusBody v-if="!status.sensitive || status.spoilerText" :clean-shared-link="cleanSharedLink" :status="status" :newer="newer" :with-action="!isDetails" :class="isDetails ? 'text-xl' : ''" />
       <StatusTranslation :status="status" />
       <StatusPoll v-if="status.poll" :status="status" />
       <StatusMedia
@@ -45,6 +49,7 @@ const isFiltered = $computed(() => filterPhrase && (context && context !== 'deta
         v-if="status.card"
         :card="status.card"
         :small-picture-only="status.mediaAttachments?.length > 0"
+        :clean-shared-link="cleanSharedLink"
       />
       <StatusCard
         v-if="status.reblog"
diff --git a/components/status/StatusPreviewCard.vue b/components/status/StatusPreviewCard.vue
index 9eb68522..1006e1fc 100644
--- a/components/status/StatusPreviewCard.vue
+++ b/components/status/StatusPreviewCard.vue
@@ -7,15 +7,16 @@ const props = defineProps<{
   smallPictureOnly?: boolean
   /** When it is root card in the list, not appear as a child card */
   root?: boolean
+  /** Defined when the preview card URL matches the last shared link href attribute */
+  cleanSharedLink?: string
 }>()
 
 const providerName = $computed(() => props.card.providerName ? props.card.providerName : new URL(props.card.url).hostname)
-
 const gitHubCards = $(usePreferences('experimentalGitHubCards'))
 </script>
 
 <template>
   <LazyStatusPreviewGitHub v-if="gitHubCards && providerName === 'GitHub'" :card="card" />
   <LazyStatusPreviewStackBlitz v-else-if="gitHubCards && providerName === 'stackblitz.com'" :card="card" :small-picture-only="smallPictureOnly" :root="root" />
-  <StatusPreviewCardNormal v-else :card="card" :small-picture-only="smallPictureOnly" :root="root" />
+  <StatusPreviewCardNormal v-else :card="card" :clean-shared-link="cleanSharedLink" :small-picture-only="smallPictureOnly" :root="root" />
 </template>
diff --git a/components/status/StatusPreviewCardNormal.vue b/components/status/StatusPreviewCardNormal.vue
index 4907630d..96c71113 100644
--- a/components/status/StatusPreviewCardNormal.vue
+++ b/components/status/StatusPreviewCardNormal.vue
@@ -7,6 +7,8 @@ const props = defineProps<{
   smallPictureOnly?: boolean
   /** When it is root card in the list, not appear as a child card */
   root?: boolean
+  /** Defined when the preview card URL matches the last shared link href attribute */
+  cleanSharedLink?: string
 }>()
 
 // mastodon's default max og image width
@@ -19,7 +21,7 @@ const isSquare = $computed(() => (
   || Number(props.card.width || 0) < ogImageWidth
   || Number(props.card.height || 0) < ogImageWidth / 2
 ))
-const providerName = $computed(() => props.card.providerName ? props.card.providerName : new URL(props.card.url).hostname)
+const providerName = $computed(() => props.card.providerName ? `${props.card.providerName} · ${props.cleanSharedLink}` : new URL(props.card.url).hostname)
 
 // TODO: handle card.type: 'photo' | 'video' | 'rich';
 const cardTypeIconMap: Record<mastodon.v1.PreviewCardType, string> = {
diff --git a/composables/content-parse.ts b/composables/content-parse.ts
index 797323a1..1de903ab 100644
--- a/composables/content-parse.ts
+++ b/composables/content-parse.ts
@@ -16,6 +16,7 @@ export interface ContentParseOptions {
   collapseMentionLink?: boolean
   status?: mastodon.v1.Status
   inReplyToStatus?: mastodon.v1.Status
+  cleanSharedLink?: string | false // this is defined when conditions for cleaning the link are met
 }
 
 const sanitizerBasicClasses = filterClasses(/^(h-\S*|p-\S*|u-\S*|dt-\S*|e-\S*|mention|hashtag|ellipsis|invisible)$/u)
@@ -84,6 +85,7 @@ export function parseMastodonHTML(
     mentions,
     status,
     inReplyToStatus,
+    cleanSharedLink,
   } = options
 
   if (markdown) {
@@ -127,7 +129,23 @@ export function parseMastodonHTML(
   if (collapseMentionLink)
     transforms.push(transformCollapseMentions(status, inReplyToStatus))
 
-  return transformSync(parse(html), transforms)
+  const node = parse(html) as Node
+
+  if (cleanSharedLink) {
+    const filteredNode = node.children.filter(child => !!child.children) // remove invisible spans
+    const filteredLength = filteredNode.length
+    const length = filteredNode[filteredLength - 1].children.length
+    const lastChild = filteredNode[filteredLength - 1].children[length - 1]
+    const sharedHref = lastChild.attributes?.href
+    const match = sharedHref === cleanSharedLink
+
+    if (match) {
+      const index = length - 1
+      filteredNode[filteredLength - 1].children.splice(index, 1)
+    }
+  }
+
+  return transformSync(node, transforms)
 }
 
 /**