From 67142b61cdbdaca99effb4f18e86b56bcb07c57e Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Sun, 1 Aug 2021 17:11:32 +0100
Subject: Handle internal hyperlinks created with complex fields

---
 lib/docx/body-reader.js | 29 +++++++++++++++++------------
 1 file changed, 17 insertions(+), 12 deletions(-)

(limited to 'lib')

diff --git a/lib/docx/body-reader.js b/lib/docx/body-reader.js
index 90c2b39..0d04ccd 100644
--- a/lib/docx/body-reader.js
+++ b/lib/docx/body-reader.js
@@ -139,28 +139,33 @@ function BodyReader(options) {
         } else if (type === "end") {
             complexFieldStack.pop();
         } else if (type === "separate") {
-            var href = parseHyperlinkFieldCode(currentInstrText.join(''));
-            var complexField = href === null ? unknownComplexField : {type: "hyperlink", href: href};
+            var hyperlinkOptions = parseHyperlinkFieldCode(currentInstrText.join(''));
+            var complexField = hyperlinkOptions === null ? unknownComplexField : {type: "hyperlink", options: hyperlinkOptions};
             complexFieldStack.pop();
             complexFieldStack.push(complexField);
         }
         return emptyResult();
     }
 
-    function currentHyperlinkHref() {
+    function currentHyperlinkOptions() {
         var topHyperlink = _.last(complexFieldStack.filter(function(complexField) {
             return complexField.type === "hyperlink";
         }));
-        return topHyperlink ? topHyperlink.href : null;
+        return topHyperlink ? topHyperlink.options : null;
     }
 
     function parseHyperlinkFieldCode(code) {
-        var result = /\s*HYPERLINK "(.*)"/.exec(code);
-        if (result) {
-            return result[1];
-        } else {
-            return null;
+        var externalLinkResult = /\s*HYPERLINK "(.*)"/.exec(code);
+        if (externalLinkResult) {
+            return {href: externalLinkResult[1]};
+        }
+
+        var internalLinkResult = /\s*HYPERLINK\s+\\l\s+"(.*)"/.exec(code);
+        if (internalLinkResult) {
+            return {anchor: internalLinkResult[1]};
         }
+
+        return null;
     }
 
     function readInstrText(element) {
@@ -236,9 +241,9 @@ function BodyReader(options) {
                     var properties = _.find(children, isRunProperties);
                     children = children.filter(negate(isRunProperties));
 
-                    var hyperlinkHref = currentHyperlinkHref();
-                    if (hyperlinkHref !== null) {
-                        children = [new documents.Hyperlink(children, {href: hyperlinkHref})];
+                    var hyperlinkOptions = currentHyperlinkOptions();
+                    if (hyperlinkOptions !== null) {
+                        children = [new documents.Hyperlink(children, hyperlinkOptions)];
                     }
 
                     return new documents.Run(children, properties);
-- 
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