From 503570e59e010215d22993d11cb61fa801b3b752 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Felix=20B=C3=B6hm?= <188768+fb55@users.noreply.github.com>
Date: Mon, 27 Dec 2021 11:45:51 +0100
Subject: [PATCH] fix(parse): Fix parsing column combinators after tag names

---
 src/__fixtures__/tests.ts | 21 +++++++++++++++++++++
 src/parse.ts              |  5 ++++-
 2 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/src/__fixtures__/tests.ts b/src/__fixtures__/tests.ts
index 388fdc5e..ec788647 100644
--- a/src/__fixtures__/tests.ts
+++ b/src/__fixtures__/tests.ts
@@ -972,4 +972,25 @@ export const tests: [
         ],
         "column combinator",
     ],
+    [
+        "foo||bar",
+        [
+            [
+                {
+                    name: "foo",
+                    namespace: null,
+                    type: SelectorType.Tag,
+                },
+                {
+                    type: SelectorType.ColumnCombinator,
+                },
+                {
+                    name: "bar",
+                    namespace: null,
+                    type: SelectorType.Tag,
+                },
+            ],
+        ],
+        "column combinator without whitespace",
+    ],
 ];
diff --git a/src/parse.ts b/src/parse.ts
index 03534374..6161152b 100644
--- a/src/parse.ts
+++ b/src/parse.ts
@@ -564,7 +564,10 @@ function parseSelector(
                     break loop;
                 }
 
-                if (selector.charCodeAt(selectorIndex) === CharCode.Pipe) {
+                if (
+                    selector.charCodeAt(selectorIndex) === CharCode.Pipe &&
+                    selector.charCodeAt(selectorIndex + 1) !== CharCode.Pipe
+                ) {
                     namespace = name;
                     if (
                         selector.charCodeAt(selectorIndex + 1) ===