fix(parse): Fix parsing column combinators after tag names

Author: fb55

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",
+    ],
 ];

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) ===