ALso sanitize dots and parenthesises for slug generation

Author: powerivq

platform/lib/samples/CodeSection.js

@@ -271,9 +271,13 @@ module.exports = class CodeSection {
       return;
     }
     const name = matches[1].trim().replace(/`/g, '');
+    let id = name.toLowerCase();
+    id = id.replace(/\s+/g, '-');
+    id = id.replace(/\./g, '-');
+    id = id.replace(/[\(\)]/g, '');
     const heading = {
-      id: name.toLowerCase().replace(/\s+/g, '-'),
-      name: name,
+      id,
+      name,
     };
     this.headings.push(heading);
   }

platform/lib/samples/CodeSection.test.js

@@ -184,6 +184,15 @@ describe('CodeSection', () => {
         },
       ]);
     });
+    it('escapes the heading', () => {
+      section.appendDoc('##Some Doc amp.getState()');
+      expect(section.headings).toEqual([
+        {
+          id: 'some-doc-amp-getstate',
+          name: 'Some Doc amp.getState()',
+        },
+      ]);
+    });
     it('adds multiple headings', () => {
       section.appendDoc('##Some Doc');
       section.appendDoc('##Another Doc');