🎨 Supports converting relative path hyperlinks into document block references after importing Markdown https://github.com/siyuan-note/siyuan/issues/13817

Signed-off-by: Daniel <845765@qq.com>

kernel/model/import.go

@@ -976,6 +976,14 @@ func ImportFromLocalPath(boxID, localPath string, toPath string) (err error) {
 					return ast.WalkContinue
 				}
 
+				if strings.HasSuffix(absolutePath, ".md") || strings.HasSuffix(absolutePath, ".markdown") {
+					if !strings.Contains(absolutePath, "assets") {
+						// 链接 .md 文件的情况下只有路径中包含 assets 才算作资源文件，其他情况算作文档链接，后续在 convertMdHyperlinks2WikiLinks 中处理
+						// Supports converting relative path hyperlinks into document block references after importing Markdown https://github.com/siyuan-note/siyuan/issues/13817
+						return ast.WalkContinue
+					}
+				}
+
 				existName := assetsDone[absolutePath]
 				var name string
 				if "" == existName {
@@ -1135,8 +1143,9 @@ func ImportFromLocalPath(boxID, localPath string, toPath string) (err error) {
 		}
 
 		initSearchLinks()
+		convertMdHyperlinks2WikiLinks()
 		convertWikiLinksAndTags()
-		buildBlockRefInText()
+		mergeTextAndHandlerNestedInlines()
 
 		box := Conf.Box(boxID)
 		for i, tree := range importTrees {
@@ -1503,6 +1512,56 @@ func initSearchLinks() {
 	}
 }
 
+func convertMdHyperlinks2WikiLinks() {
+	// Supports converting relative path hyperlinks into document block references after importing Markdown https://github.com/siyuan-note/siyuan/issues/13817
+
+	var unlinks []*ast.Node
+	for _, tree := range importTrees {
+		ast.Walk(tree.Root, func(n *ast.Node, entering bool) ast.WalkStatus {
+			if !entering || ast.NodeTextMark != n.Type {
+				return ast.WalkContinue
+			}
+
+			if "a" != n.TextMarkType {
+				return ast.WalkContinue
+			}
+
+			linkText := n.TextMarkTextContent
+			if "" == linkText {
+				return ast.WalkContinue
+			}
+			linkDest := n.TextMarkAHref
+			if "" == linkDest {
+				return ast.WalkContinue
+			}
+			if strings.HasPrefix(linkDest, "assets/") {
+				return ast.WalkContinue
+			}
+			if !strings.HasSuffix(linkDest, ".md") && !strings.HasSuffix(linkDest, ".markdown") {
+				return ast.WalkContinue
+			}
+			linkDest = strings.TrimSuffix(linkDest, ".md")
+			linkDest = strings.TrimSuffix(linkDest, ".markdown")
+
+			buf := bytes.Buffer{}
+			buf.WriteString("[[")
+			buf.WriteString(linkDest)
+			buf.WriteString("|")
+			buf.WriteString(linkText)
+			buf.WriteString("]]")
+
+			wikilinkNode := &ast.Node{Type: ast.NodeText, Tokens: buf.Bytes()}
+			n.InsertBefore(wikilinkNode)
+			unlinks = append(unlinks, n)
+			return ast.WalkContinue
+		})
+	}
+
+	for _, n := range unlinks {
+		n.Unlink()
+	}
+}
+
 func convertWikiLinksAndTags() {
 	for _, tree := range importTrees {
 		convertWikiLinksAndTags0(tree)
@@ -1601,8 +1660,22 @@ func convertTags(text string) (ret string) {
 	return string(tokens)
 }
 
-// buildBlockRefInText 将文本节点进行结构化处理。
-func buildBlockRefInText() {
+func searchLinkID(link string) (id string) {
+	id = searchLinks[link]
+	if "" != id {
+		return
+	}
+
+	baseName := path.Base(link)
+	for searchLink, searchID := range searchLinks {
+		if path.Base(searchLink) == baseName {
+			return searchID
+		}
+	}
+	return
+}
+
+func mergeTextAndHandlerNestedInlines() {
 	luteEngine := NewLute()
 	luteEngine.SetHTMLTag2TextMark(true)
 	for _, tree := range importTrees {
@@ -1636,18 +1709,3 @@ func buildBlockRefInText() {
 		}
 	}
 }
-
-func searchLinkID(link string) (id string) {
-	id = searchLinks[link]
-	if "" != id {
-		return
-	}
-
-	baseName := path.Base(link)
-	for searchLink, searchID := range searchLinks {
-		if path.Base(searchLink) == baseName {
-			return searchID
-		}
-	}
-	return
-}