🎨 Display reference counts in the backlink panel https://github.com/siyuan-note/siyuan/issues/13618

kernel/model/render.go

@@ -19,6 +19,7 @@ package model
 import (
 	"bytes"
 	"regexp"
+	"strconv"
 	"strings"
 
 	"github.com/88250/gulu"
@@ -141,6 +142,36 @@ func renderBlockText(node *ast.Node, excludeTypes []string) (ret string) {
 	return
 }
 
+func fillBlockRefCount(nodes []*ast.Node) {
+	var defIDs []string
+	for _, n := range nodes {
+		ast.Walk(n, func(n *ast.Node, entering bool) ast.WalkStatus {
+			if !entering {
+				return ast.WalkContinue
+			}
+
+			if n.IsBlock() {
+				defIDs = append(defIDs, n.ID)
+			}
+			return ast.WalkContinue
+		})
+	}
+	defIDs = gulu.Str.RemoveDuplicatedElem(defIDs)
+	refCount := sql.QueryRefCount(defIDs)
+	for _, n := range nodes {
+		ast.Walk(n, func(n *ast.Node, entering bool) ast.WalkStatus {
+			if !entering || !n.IsBlock() {
+				return ast.WalkContinue
+			}
+
+			if cnt := refCount[n.ID]; 0 < cnt {
+				n.SetIALAttr("refcount", strconv.Itoa(cnt))
+			}
+			return ast.WalkContinue
+		})
+	}
+}
+
 func renderBlockDOMByNodes(nodes []*ast.Node, luteEngine *lute.Lute) string {
 	tree := &parse.Tree{Root: &ast.Node{Type: ast.NodeDocument}, Context: &parse.Context{ParseOption: luteEngine.ParseOptions}}
 	blockRenderer := render.NewProtyleRenderer(tree, luteEngine.RenderOptions)