fix: dont interpret }| as {|

Author: jeswr

src/N3Lexer.js

@@ -294,18 +294,19 @@ export default class N3Lexer {
       case '!':
         if (!this._n3Mode)
           break;
+      case '{':
+        // Note the input[0] === '{' is required as this could be a fall-through from the above case
+        if (input.length > 1 && input[0] === '{' && input[1] === '|') {
+          type = '{|', matchLength = 2;
+          break;
+        }
       case ',':
       case ';':
       case '[':
       case ']':
       case '(':
       case ')':
-      case '{':
       case '}':
-        if (input.length > 1 && input[1] === '|') {
-          type = '{|', matchLength = 2;
-          break;
-        }
         if (
           !this._lineMode &&
           // The token might actually be {| and we just have not encountered the pipe yet

test/N3Parser-test.js

@@ -1253,6 +1253,12 @@ describe('Parser', () => {
           ['a', 'b', 'c'],
           [['a', 'b', 'c'], 'd', 'e']));
 
+    it('should not parse }|',
+        shouldNotParse('<a> <b> <c> }| <d> <e> |} .', 'Unexpected graph closing on line 1.'));
+
+    it('should not parse |{',
+        shouldNotParse('<a> <b> <c> {| <d> <e> |{ .', 'Unexpected "|{" on line 1.'));
+
     it('should parse an explicit triple with reified annotation that is chunked at the pipe',
       shouldParseChunks(['<a> <b> <c> {| <d> <e> |', '} .'],
           ['a', 'b', 'c'],