From 749823aefa60a6325ce584ef2120496769ae0cde Mon Sep 17 00:00:00 2001
From: LittleSheep <littlesheep.code@hotmail.com>
Date: Sat, 8 Nov 2025 12:28:13 +0800
Subject: [PATCH] :necktie: Disabled preserve empty lines on the article posts

---
 app/components/Post/PostItem.vue        |  9 +++--
 app/composables/useMarkdownProcessor.ts | 44 ++++++++++++++-----------
 app/pages/posts/[...slug].vue           | 14 ++++++--
 3 files changed, 43 insertions(+), 24 deletions(-)

diff --git a/app/components/Post/PostItem.vue b/app/components/Post/PostItem.vue
index 087b075..f9001d9 100644
--- a/app/components/Post/PostItem.vue
+++ b/app/components/Post/PostItem.vue
@@ -65,7 +65,11 @@ const emit = defineEmits<{
   react: [symbol: string, attitude: number, delta: number]
 }>()
 
-const { render } = useMarkdownProcessor()
+const preserveEmptyLinesRef = ref(true) // New ref for the option
+
+const { render } = useMarkdownProcessor({
+  preserveEmptyLines: preserveEmptyLinesRef
+})
 
 const htmlContent = ref<string>("")
 
@@ -74,8 +78,9 @@ function handleReaction(symbol: string, attitude: number, delta: number) {
 }
 
 watch(
-  props.item,
+  () => props.item, // Watch the item prop directly
   (value) => {
+    preserveEmptyLinesRef.value = value.type !== 1 // Update the ref
     if (value.content) htmlContent.value = render(value.content)
   },
   { immediate: true, deep: true }
diff --git a/app/composables/useMarkdownProcessor.ts b/app/composables/useMarkdownProcessor.ts
index 6e0ca3e..c9ea46f 100644
--- a/app/composables/useMarkdownProcessor.ts
+++ b/app/composables/useMarkdownProcessor.ts
@@ -1,3 +1,4 @@
+import { computed, unref, type Ref } from "vue"
 import {
   createMarkdownExit,
   type PluginSimple,
@@ -12,33 +13,38 @@ import katex from "katex"
 import "highlight.js/styles/a11y-dark.min.css"
 
 export function useMarkdownProcessor(
-  { preserveEmptyLines }: { preserveEmptyLines?: boolean } = {
+  options: { preserveEmptyLines?: boolean | Ref<boolean> } = {
     preserveEmptyLines: true
   }
 ) {
   const serverUrl = useSolarNetworkUrl()
 
-  const processor = createMarkdownExit({
-    breaks: true,
-    html: true,
-    linkify: true,
-    typographer: true
-  })
-    // @ts-ignore
-    .use(texmath, {
-      engine: katex,
-      delimiters: "dollars",
-      katexOptions: { macros: { "\\RR": "\\mathbb{R}" } }
-    })
-    .use(hljsMarkdown, { hljs })
-    .use(imgSolarNetworkPlugin, { serverUrl: serverUrl })
+  const processor = computed(() => {
+    const currentPreserveEmptyLines = unref(options.preserveEmptyLines)
 
-  if (preserveEmptyLines) {
-    processor.use(preserveEmptyLinesPlugin)
-  }
+    const md = createMarkdownExit({
+      breaks: true,
+      html: true,
+      linkify: true,
+      typographer: true
+    })
+      // @ts-ignore
+      .use(texmath, {
+        engine: katex,
+        delimiters: "dollars",
+        katexOptions: { macros: { "\\RR": "\\mathbb{R}" } }
+      })
+      .use(hljsMarkdown, { hljs })
+      .use(imgSolarNetworkPlugin, { serverUrl: serverUrl })
+
+    if (currentPreserveEmptyLines) {
+      md.use(preserveEmptyLinesPlugin)
+    }
+    return md
+  })
 
   return {
-    render: (content: string) => processor.render(content)
+    render: (content: string) => processor.value.render(content)
   }
 }
 
diff --git a/app/pages/posts/[...slug].vue b/app/pages/posts/[...slug].vue
index 73a24d1..7d459b6 100644
--- a/app/pages/posts/[...slug].vue
+++ b/app/pages/posts/[...slug].vue
@@ -139,7 +139,7 @@
 </template>
 
 <script setup lang="ts">
-import { computed } from "vue"
+import { computed, ref } from "vue" // Added ref
 import { useMarkdownProcessor } from "~/composables/useMarkdownProcessor"
 import type { SnPost } from "~/types/api"
 
@@ -147,10 +147,14 @@ const route = useRoute()
 const slugParts = route.params.slug as string[]
 const id = slugParts.join("/")
 
-const { render } = useMarkdownProcessor()
-
 const apiServer = useSolarNetwork()
 
+const preserveEmptyLinesRef = ref(true) // New ref for the option
+
+const { render } = useMarkdownProcessor({
+  preserveEmptyLines: preserveEmptyLinesRef
+})
+
 const {
   data: postData,
   error,
@@ -159,6 +163,10 @@ const {
   try {
     const resp = await apiServer(`/sphere/posts/${id}`)
     const post = resp as SnPost
+
+    // Update the ref based on post.type
+    preserveEmptyLinesRef.value = post.type !== 1
+
     let html = ""
     if (post.content) {
       html = render(post.content)