From 93e2785f9f208710d29d1029975a112ffdebe45d Mon Sep 17 00:00:00 2001
From: "David I. Lehn" <dlehn@digitalbazaar.com>
Date: Wed, 6 Sep 2023 22:31:19 -0400
Subject: [PATCH] Handle unset `rdfDirection` the same as `null`.

---
 CHANGELOG.md  |  5 +++++
 lib/toRdf.js  |  4 ++--
 tests/misc.js | 16 ++++++++++++++++
 3 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index b2046c8e..a55d89a3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # jsonld ChangeLog
 
+## 8.3.1 - 2023-09-xx
+
+### Fixed
+- Handle unset `rdfDirection` the same as `null`.
+
 ## 8.3.0 - 2023-09-06
 
 ### Added
diff --git a/lib/toRdf.js b/lib/toRdf.js
index f576f6d8..53f20af4 100644
--- a/lib/toRdf.js
+++ b/lib/toRdf.js
@@ -330,7 +330,7 @@ function _objectToRDF(
         'jsonld.InvalidRdfDirection',
         {value: rdfDirection});
     } else if('@language' in item) {
-      if('@direction' in item && rdfDirection === null) {
+      if('@direction' in item && !rdfDirection) {
         if(options.eventHandler) {
           // FIXME: only emit once?
           _handleEvent({
@@ -351,7 +351,7 @@ function _objectToRDF(
       object.datatype.value = datatype || RDF_LANGSTRING;
       object.language = item['@language'];
     } else {
-      if('@direction' in item && rdfDirection === null) {
+      if('@direction' in item && !rdfDirection) {
         if(options.eventHandler) {
           // FIXME: only emit once?
           _handleEvent({
diff --git a/tests/misc.js b/tests/misc.js
index a552d7f9..908052cd 100644
--- a/tests/misc.js
+++ b/tests/misc.js
@@ -4101,6 +4101,22 @@ _:b0 <ex:p> "v" .
       });
     });
 
+    it('should handle no @lang, @dir, no rdfDirection', async () => {
+      const input = _json_dir_nl_d;
+      const nq = _nq_dir_nl_nd;
+
+      await _test({
+        type: 'toRDF',
+        input,
+        options: {skipExpansion: true},
+        expected: nq,
+        eventCodeLog: [
+          'rdfDirection not set'
+        ],
+        testNotSafe: true
+      });
+    });
+
     it('should handle no @lang, @dir, rdfDirection=null', async () => {
       const input = _json_dir_nl_d;
       const nq = _nq_dir_nl_nd;