Allow Hashtags in Timeline Titles, Sections, and Events

packages/mermaid/src/diagrams/timeline/parser/timeline.jison

@@ -18,18 +18,18 @@
 \#[^\n]*                /* skip comments */
 
 "timeline"               return 'timeline';
-"title"\s[^#\n;]+       return 'title';
+"title"\s[^\n;]+       return 'title';
 accTitle\s*":"\s*                                               { this.begin("acc_title");return 'acc_title'; }
 <acc_title>(?!\n|;|#)*[^\n]*                                    { this.popState(); return "acc_title_value"; }
 accDescr\s*":"\s*                                               { this.begin("acc_descr");return 'acc_descr'; }
 <acc_descr>(?!\n|;|#)*[^\n]*                                    { this.popState(); return "acc_descr_value"; }
 accDescr\s*"{"\s*                                { this.begin("acc_descr_multiline");}
 <acc_descr_multiline>[\}]                       { this.popState(); }
 <acc_descr_multiline>[^\}]*                     return "acc_descr_multiline_value";
-"section"\s[^#:\n;]+    return 'section';
+"section"\s[^:\n;]+    return 'section';
 
 // event starting with "==>" keyword
-":"\s[^#:\n;]+        return 'event';
+":"\s[^:\n;]+        return 'event';
 [^#:\n;]+               return 'period';
 
 

packages/mermaid/src/diagrams/timeline/timeline.spec.js

@@ -1,5 +1,6 @@
 import { parser as timeline } from './parser/timeline.jison';
 import * as timelineDB from './timelineDb.js';
+import * as commonDb from '../common/commonDb.js';
 import { setLogLevel } from '../../diagram-api/diagramAPI.js';
 
 describe('when parsing a timeline ', function () {
@@ -98,5 +99,20 @@ describe('when parsing a timeline ', function () {
         }
       });
     });
+
+    it('TL-6 should handle a title, section, task, and events with hashtags', function () {
+      let str = `timeline
+      title #my#title#
+      section #a#bc-123#
+      task1: #ev#ent1# : #ev#ent2# : #ev#ent3#
+   `;
+      timeline.parse(str);
+      expect(commonDb.getDiagramTitle()).equal('#my#title#');
+      expect(timelineDB.getSections()).to.deep.equal(['#a#bc-123#']);
+      expect(timelineDB.getTasks()[0].task).equal('task1');
+      expect(timelineDB.getTasks()[0].events[0]).equal('#ev#ent1# ');
+      expect(timelineDB.getTasks()[0].events[1]).equal('#ev#ent2# ');
+      expect(timelineDB.getTasks()[0].events[2]).equal('#ev#ent3#');
+    });
   });
 });