chore: v2.5.1 (#21)

* fix(parser): fix issue with escaping backslashes when enableEscapeTags is set (#20)

there is a bug in the lexer where when enableEscapeTags is set, backslashes
are not always escaped (ie. \\[b] is treated as an escaped tag, rather than a
literal backslash, and then a tag).

* chore: v2.5.1

packages/bbob-parser/test/lexer.test.js

@@ -305,6 +305,29 @@ describe('lexer', () => {
     expectOutput(output, tokens);
   });
 
+  test('escaped tag and escaped backslash', () => {
+    const tokenizeEscape = input => (createLexer(input, {
+      enableEscapeTags: true
+    }).tokenize());
+    const input = '\\\\\\[b\\\\\\]test\\\\\\[/b\\\\\\]';
+    const tokens = tokenizeEscape(input);
+    const output = [
+      [TYPE.WORD, '\\', '0', '0'],
+      [TYPE.WORD, '[', '0', '0'],
+      [TYPE.WORD, 'b', '0', '0'],
+      [TYPE.WORD, '\\', '0', '0'],
+      [TYPE.WORD, ']', '0', '0'],
+      [TYPE.WORD, 'test', '0', '0'],
+      [TYPE.WORD, '\\', '0', '0'],
+      [TYPE.WORD, '[', '0', '0'],
+      [TYPE.WORD, '/b', '0', '0'],
+      [TYPE.WORD, '\\', '0', '0'],
+      [TYPE.WORD, ']', '0', '0'],
+    ];
+
+    expectOutput(output, tokens);
+  });
+
   describe('html', () => {
     const tokenizeHTML = input => createLexer(input, { openTag: '<', closeTag: '>' }).tokenize();
 

packages/bbob-parser/test/parse.test.js

@@ -184,7 +184,7 @@ describe('Parser', () => {
       ]);
     });
 
-    test('parse escaped tags tags', () => {
+    test('parse escaped tags', () => {
       const ast = parse('\\[b\\]test\\[/b\\]', {
         enableEscapeTags: true
       });
@@ -199,5 +199,25 @@ describe('Parser', () => {
         ']',
       ]);
     });
+
+    test('parse escaped tags and escaped backslash', () => {
+      const ast = parse('\\\\\\[b\\\\\\]test\\\\\\[/b\\\\\\]', {
+        enableEscapeTags: true
+      });
+
+      expectOutput(ast, [
+        '\\',
+        '[',
+        'b',
+        '\\',
+        ']',
+        'test',
+        '\\',
+        '[',
+        '/b',
+        '\\',
+        ']',
+      ]);
+    });
   });
 });