From bc4943fd57639de2f672c55d4faef53776f9a016 Mon Sep 17 00:00:00 2001
From: xiangyu <3170102889@zju.edu.cn>
Date: Mon, 10 Oct 2022 23:55:20 +0800
Subject: [PATCH] fix: #176 export md with highlight bug

---
 src/note/noteExportWindow.ts |  1 +
 src/note/noteParse.ts        | 15 +++++++++++++++
 2 files changed, 16 insertions(+)

diff --git a/src/note/noteExportWindow.ts b/src/note/noteExportWindow.ts
index 94c7e8d..7a1b95e 100644
--- a/src/note/noteExportWindow.ts
+++ b/src/note/noteExportWindow.ts
@@ -220,6 +220,7 @@ class NoteExportWindow extends AddonBase {
       exportFile: exportFile,
       exportSingleFile: exportSingleFile,
       exportAutoSync: exportAutoSync,
+      exportHighlight: exportHighlight,
       embedLink: embedLink,
       exportNote: exportNote,
       exportCopy: exportCopy,
diff --git a/src/note/noteParse.ts b/src/note/noteParse.ts
index 86afaef..981b52d 100644
--- a/src/note/noteParse.ts
+++ b/src/note/noteParse.ts
@@ -708,6 +708,21 @@ class NoteParse extends AddonBase {
         return "[" + content + "](" + href + title + ")";
       },
     });
+
+    if (Zotero.Prefs.get("Knowledge4Zotero.exportHighlight")) {
+      turndownService.addRule("backgroundColor", {
+        filter: function (node, options) {
+          return node.nodeName === "SPAN" && node.style["background-color"];
+        },
+
+        replacement: function (content, node) {
+          return `<span style="background-color: ${
+            (node as HTMLElement).style["background-color"]
+          }">${content}</span>`;
+        },
+      });
+    }
+
     const parsedMD = turndownService.turndown(doc.body);
     console.log(parsedMD);
     return parsedMD;