From 5a0a11389c6d9a9b83569f7d0065ed22dfd60c34 Mon Sep 17 00:00:00 2001
From: Farnabaz <farnabaz@gmail.com>
Date: Thu, 6 Mar 2025 13:14:27 +0100
Subject: [PATCH] !fix(MDC): do not generate title/description and toc

---
 src/runtime/components/MDC.vue | 13 ++++++++++++-
 src/runtime/parser/index.ts    | 25 +++++++++++++------------
 src/types/parser.ts            |  2 +-
 3 files changed, 26 insertions(+), 14 deletions(-)

diff --git a/src/runtime/components/MDC.vue b/src/runtime/components/MDC.vue
index 6e16eec9..b8c54cd1 100644
--- a/src/runtime/components/MDC.vue
+++ b/src/runtime/components/MDC.vue
@@ -72,6 +72,13 @@ const props = defineProps({
   cacheKey: {
     type: String,
     default: undefined
+  },
+  /**
+   * Partial parsing (if partial is `true`, title and toc generation will not be generated)
+   */
+  partial: {
+    type: Boolean,
+    default: true
   }
 })
 
@@ -81,7 +88,11 @@ const { data, refresh, error } = await useAsyncData(key.value, async () => {
   if (typeof props.value !== 'string') {
     return props.value
   }
-  return await parseMarkdown(props.value, props.parserOptions)
+  return await parseMarkdown(props.value, {
+    ...props.parserOptions,
+    toc: props.partial ? false : props.parserOptions?.toc,
+    contentHeading: props.partial ? false : props.parserOptions?.contentHeading
+  })
 })
 
 const body = computed(() => props.excerpt ? data.value?.excerpt : data.value?.body)
diff --git a/src/runtime/parser/index.ts b/src/runtime/parser/index.ts
index 69d0c4e2..682b3f58 100644
--- a/src/runtime/parser/index.ts
+++ b/src/runtime/parser/index.ts
@@ -117,28 +117,29 @@ export const createMarkdownParser = async (inlineOptions: MDCParseOptions = {})
       })
     })
 
-    const result = processedFile?.result as { body: MDCRoot, excerpt: MDCRoot | undefined }
+    const parsedContent = processedFile?.result as { body: MDCRoot, excerpt: MDCRoot | undefined }
 
     // Update data with processor data
     const data = Object.assign(
-      inlineOptions.contentHeading !== false ? contentHeading(result.body) : {},
+      inlineOptions.contentHeading !== false ? contentHeading(parsedContent.body) : {},
       frontmatter,
       processedFile?.data || {}
     ) as MDCData
 
-    // Generate toc if it is not disabled in front-matter
-    let toc: Toc | undefined
-    if (data.toc !== false) {
-      const tocOption = defu(data.toc || {}, inlineOptions.toc, defaults.toc)
-      toc = generateToc(result.body, tocOption)
+    const parsedResult = { data, body: parsedContent.body } as MDCParserResult
+
+    // Generate toc if it is not disabled
+    const userTocOption = data.toc ?? inlineOptions.toc
+    if (userTocOption !== false) {
+      const tocOption = defu({} as Toc, userTocOption, defaults.toc)
+      parsedResult.toc = generateToc(parsedContent.body, tocOption)
     }
 
-    return {
-      data,
-      body: result.body,
-      excerpt: result.excerpt,
-      toc
+    if (parsedContent.excerpt) {
+      parsedResult.excerpt = parsedContent.excerpt
     }
+
+    return parsedResult
   }
 }
 
diff --git a/src/types/parser.ts b/src/types/parser.ts
index 1a288ca4..071c626e 100644
--- a/src/types/parser.ts
+++ b/src/types/parser.ts
@@ -32,7 +32,7 @@ export interface MDCParseOptions {
      */
     depth?: number
     searchDepth?: number
-  }
+  } | false
 
   keepComments?: boolean