Merge pull request #8 from mermaid-js/develop

merge from base

.github/pull_request_template.md

@@ -0,0 +1,7 @@
+## Summary
+Brief description about the content of your PR.
+
+## Design Decisions
+Describe the way your implementation works or what design decisions you made if applicable.
+
+Resolves #<your issue id here>

cypress/integration/rendering/classDiagram.spec.js

@@ -164,7 +164,31 @@ describe('Class diagram', () => {
     cy.get('svg');
   });
 
-  it('5: should render a simple class diagram with Generic class', () => {
+  it('5: should render a simple class diagram with abstract method', () => {
+    imgSnapshotTest(
+      `
+    classDiagram
+      Class01 <|-- AveryLongClass : Cool
+      Class01 : someMethod()*
+      `,
+      {}
+    );
+    cy.get('svg');
+  });
+
+  it('6: should render a simple class diagram with static method', () => {
+    imgSnapshotTest(
+      `
+    classDiagram
+      Class01 <|-- AveryLongClass : Cool
+      Class01 : someMethod()$
+      `,
+      {}
+    );
+    cy.get('svg');
+  });
+
+  it('7: should render a simple class diagram with Generic class', () => {
     imgSnapshotTest(
       `
     classDiagram
@@ -184,7 +208,7 @@ describe('Class diagram', () => {
     cy.get('svg');
   });
 
-  it('6: should render a simple class diagram with Generic class and relations', () => {
+  it('8: should render a simple class diagram with Generic class and relations', () => {
     imgSnapshotTest(
       `
     classDiagram

cypress/integration/rendering/flowchart.spec.js

@@ -396,4 +396,61 @@ describe('Flowcart', () => {
       { flowchart: { htmlLabels: false } }
     );
   });
+  it('15: Render Stadium shape', () => {
+    imgSnapshotTest(
+      ` graph TD
+      A([stadium shape test])
+      A -->|Get money| B([Go shopping])
+      B --> C([Let me think...<br />Do I want something for work,<br />something to spend every free second with,<br />or something to get around?])
+      C -->|One| D([Laptop])
+      C -->|Two| E([iPhone])
+      C -->|Three| F([Car<br/>wroom wroom])
+      click A "index.html#link-clicked" "link test"
+      click B testClick "click test"
+      classDef someclass fill:#f96;
+      class A someclass;`,
+      { flowchart: { htmlLabels: false } }
+    );
+  });
+  it('16: Render Stadium shape', () => {
+    imgSnapshotTest(
+      `graph LR
+        A1[Multi<br>Line] -->|Multi<br>Line| B1(Multi<br>Line)
+        C1[Multi<br/>Line] -->|Multi<br/>Line| D1(Multi<br/>Line)
+        E1[Multi<br />Line] -->|Multi<br />Line| F1(Multi<br />Line)
+        A2[Multi<br>Line] -->|Multi<br>Line| B2(Multi<br>Line)
+        C2[Multi<br/>Line] -->|Multi<br/>Line| D2(Multi<br/>Line)
+        E2[Multi<br />Line] -->|Multi<br />Line| F2(Multi<br />Line)
+        linkStyle 0 stroke:DarkGray,stroke-width:2px
+        linkStyle 1 stroke:DarkGray,stroke-width:2px
+        linkStyle 2 stroke:DarkGray,stroke-width:2px
+      `,
+      { flowchart: { htmlLabels: false } }
+    );
+  });
+  it('17: Chaining of nodes', () => {
+    imgSnapshotTest(
+      `graph LR
+        a --> b --> c
+      `,
+      { flowchart: { htmlLabels: false } }
+    );
+  });
+  it('18: Multiple nodes and chaining in one statement', () => {
+    imgSnapshotTest(
+      `graph LR
+        a --> b c--> d
+      `,
+      { flowchart: { htmlLabels: false } }
+    );
+  });
+  it('19: Multiple nodes and chaining in one statement', () => {
+    imgSnapshotTest(
+      `graph TD
+      A[ h ] -- hello --> B[" test "]:::exClass C --> D;
+      classDef exClass background:#bbb,border:1px solid red;
+      `,
+      { flowchart: { htmlLabels: false } }
+    );
+  });
 });

cypress/integration/rendering/gantt.spec.js

@@ -38,4 +38,20 @@ describe('Sequencediagram', () => {
       {}
     );
   });
+  it('Multiple dependencies syntax', () => {
+    imgSnapshotTest(
+      `
+      gantt
+      dateFormat  YYYY-MM-DD
+      axisFormat  %d/%m
+      title Adding GANTT diagram to mermaid
+      excludes weekdays 2014-01-10
+
+      apple :a, 2017-07-20, 1w
+      banana :crit, b, 2017-07-23, 1d
+      cherry :active, c, after b a, 1d
+      `,
+      {}
+    );
+  });
 });

cypress/integration/rendering/sequencediagram.spec.js

@@ -2,8 +2,8 @@
 
 import { imgSnapshotTest } from '../../helpers/util';
 
-context('Aliasing', () => {
+context('Sequence diagram', () => {
-  it('should render a simple sequence diagrams', () => {
+  it('should render a simple sequence diagram', () => {
     imgSnapshotTest(
       `
       sequenceDiagram
@@ -32,6 +32,23 @@ context('Aliasing', () => {
       {}
     );
   });
+  it('should handle different line breaks', () => {
+    imgSnapshotTest(
+      `
+      sequenceDiagram
+      participant 1 as multiline<br>using #lt;br#gt;
+      participant 2 as multiline<br/>using #lt;br/#gt;
+      participant 3 as multiline<br />using #lt;br /#gt;
+      1->>2: multiline<br>using #lt;br#gt;
+      note right of 2: multiline<br>using #lt;br#gt;
+      2->>3: multiline<br/>using #lt;br/#gt;
+      note right of 3: multiline<br/>using #lt;br/#gt;
+      3->>1: multiline<br />using #lt;br /#gt;
+      note right of 1: multiline<br />using #lt;br /#gt;
+    `,
+      {}
+    );
+  });
   context('background rects', () => {
     it('should render a single and nested rects', () => {
       imgSnapshotTest(

cypress/platform/current.html

@@ -16,11 +16,16 @@
   </head>
   <body>
     <h1>info below</h1>
-    <div style="display: flex;">
+    <div style="display: flex;width: 100%; height: 100%">
-      <div class="mermaid">graph TD
+      <div class="mermaid" style="width: 100%; height: 100%">
-        A ==> B
+        graph TB
-        A --> C
+          A --> B
-        A -.-> D
+          A ==> C
+          A .-> D
+          A === E
+          A -.- F
+          D -- Hello --> a
+          D-- text including R TD space --xb
       </div>
 </div>
   <script src="./mermaid.js"></script>
@@ -29,9 +34,9 @@
         theme: 'dark',
         // arrowMarkerAbsolute: true,
         // themeCSS: '.edgePath .path {stroke: red;} .arrowheadPath {fill: red;}',
-        logLevel: 3,
+        logLevel: 0,
         flowchart: { curve: 'linear', "htmlLabels": false },
-        gantt: { axisFormat: '%m/%d/%Y' },
+        // gantt: { axisFormat: '%m/%d/%Y' },
         sequence: { actorMargin: 50 },
         // sequenceDiagram: { actorMargin: 300 } // deprecated
       });

dist/index.html

@@ -300,6 +300,31 @@ click B testClick "click test"
 classDef someclass fill:#f96;
 class A someclass;
   </div>
+  <div class="mermaid">
+    graph TD
+    A([stadium shape test])
+    A -->|Get money| B([Go shopping])
+    B --> C([Let me think...<br />Do I want something for work,<br />something to spend every free second with,<br />or something to get around?])
+    C -->|One| D([Laptop])
+    C -->|Two| E([iPhone])
+    C -->|Three| F([Car<br/>wroom wroom])
+    click A "index.html#link-clicked" "link test"
+    click B testClick "click test"
+    classDef someclass fill:#f96;
+    class A someclass;
+  </div>
+  <div class="mermaid">
+    graph LR
+    A1[Multi<br>Line] -->|Multi<br>Line| B1(Multi<br>Line)
+    C1[Multi<br/>Line] -->|Multi<br/>Line| D1(Multi<br/>Line)
+    E1[Multi<br />Line] -->|Multi<br />Line| F1(Multi<br />Line)
+    A2[Multi<br>Line] -->|Multi<br>Line| B2(Multi<br>Line)
+    C2[Multi<br/>Line] -->|Multi<br/>Line| D2(Multi<br/>Line)
+    E2[Multi<br />Line] -->|Multi<br />Line| F2(Multi<br />Line)
+    linkStyle 0 stroke:DarkGray,stroke-width:2px
+    linkStyle 1 stroke:DarkGray,stroke-width:2px
+    linkStyle 2 stroke:DarkGray,stroke-width:2px
+  </div>
 
   <hr/>
 
@@ -331,6 +356,18 @@ and
 Alice -->> John: Parallel message 2
 end
   </div>
+  <div class="mermaid">
+    sequenceDiagram
+    participant 1 as multiline<br>using #lt;br#gt;
+    participant 2 as multiline<br/>using #lt;br/#gt;
+    participant 3 as multiline<br />using #lt;br /#gt;
+    1->>2: multiline<br>using #lt;br#gt;
+    note right of 2: multiline<br>using #lt;br#gt;
+    2->>3: multiline<br/>using #lt;br/#gt;
+    note right of 3: multiline<br/>using #lt;br/#gt;
+    3->>1: multiline<br />using #lt;br /#gt;
+    note right of 1: multiline<br />using #lt;br /#gt;
+  </div>
 
   <hr/>
 

docs/README.md

@@ -1,4 +1,4 @@
-[![Build Status](https://travis-ci.org/knsv/mermaid.svg?branch=master)](https://travis-ci.org/knsv/mermaid)
+[![Build Status](https://travis-ci.org/mermaid-js/mermaid.svg?branch=master)](https://travis-ci.org/mermaid-js/mermaid)
 [![Coverage Status](https://coveralls.io/repos/github/knsv/mermaid/badge.svg?branch=master)](https://coveralls.io/github/knsv/mermaid?branch=master)
 [![Join the chat at https://gitter.im/knsv/mermaid](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/knsv/mermaid?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 

docs/classDiagram.md

@@ -105,17 +105,10 @@ Naming convention: a class name should be composed of alphanumeric (unicode allo
 
 UML provides mechanisms to represent class members, such as attributes and methods, and additional information about them.
 
-#### Visibility
+Mermaid distinguishes between attributes and functions/methods based on if the **parenthesis** `()` are present or not. The ones with `()` are treated as functions/methods, and others as attributes.
-To specify the visibility of a class member (i.e. any attribute or method), these notations may be placed before the member's name, but is it optional:
 
-- `+`	Public
-- `-`	Private
-- `#`	Protected
-- `~`	Package
 
-Mermaid distinguishes between attributes and functions/methods based on if the **parenthesis** `()` are present or not. The one with `()` are treated as functions/methods, and others as attributes.
+There are two ways to define the members of a class, and regardless of whichever syntax is used to define the members, the output will still be same. The two different ways are :
-
-There are two ways to define the members of a class, and regardless of the whichever syntax is used to define the members, the output will still be same. The two different ways are :
 - Associate a member of a class using **:** (colon) followed by member name, useful to define one member at a time. For example: 
 
  ```
@@ -150,7 +143,22 @@ class BankAccount{
         +BigDecimal balance
         +deposit(amount)
         +withdrawl(amount)
-}```
+}
+```
+
+
+#### Visibility
+To specify the visibility of a class member (i.e. any attribute or method), these notations may be placed before the member's name, but it is optional:
+
+- `+`	Public
+- `-`	Private
+- `#`	Protected
+- `~`	Package
+
+>_note_ you can also include additional _classifers_ to a method definition by adding the following notations to the end of the method, i.e.: after the `()`:
+> - `*` Abstract e.g.: `someAbstractMethod()*`
+> - `$` Static e.g.: `someStaticMethod()$`
+
 
 ## Defining Relationship
 A relationship is a general term covering the specific types of logical connections found on class and object diagrams. 

docs/flowchart.md

@@ -78,6 +78,17 @@ graph LR
     id1(This is the text in the box)
 ```
 
+### A stadium-shaped node
+
+```
+graph LR
+    id1([This is the text in the box])
+```
+```mermaid
+graph LR
+    id1([This is the text in the box])
+```
+
 ### A node in the form of a circle
 
 ```

docs/gantt.md

@@ -87,6 +87,20 @@ gantt
        Add another diagram to demo page    :48h
    ```
 
+It is possible to set multiple depenendenies separated by space:
+```
+    gantt
+        apple :a, 2017-07-20, 1w
+        banana :crit, b, 2017-07-23, 1d
+        cherry :active, c, after b a, 1d
+```
+```
+    gantt
+        apple :a, 2017-07-20, 1w
+        banana :crit, b, 2017-07-23, 1d
+        cherry :active, c, after b a, 1d
+```
+
 ### Title
 
 Tbd

docs/index.html

@@ -7,7 +7,7 @@
   <meta name="description" content="Markdownish syntax for generating flowcharts, sequence diagrams, class diagrams, gantt charts and git graphs.">
   <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
   <link rel="stylesheet" href="//unpkg.com/docsify/lib/themes/vue.css">
-  <script src="//cdn.jsdelivr.net/npm/mermaid@8.4.3/dist/mermaid.min.js"></script>
+  <script src="//cdn.jsdelivr.net/npm/mermaid@8.4.4/dist/mermaid.min.js"></script>
   <script>
     (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
     (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),

docs/usage.md

@@ -159,14 +159,13 @@ The main idea of the API is to be able to call a render function with the graph
 will render the graph and call a callback with the resulting svg code. With this approach it is up to the site creator to
 fetch the graph definition from the site (perhaps from a textarea), render it and place the graph somewhere in the site.
 
-To do this, include mermaidAPI on your web website instead of mermaid.js. The example below show an outline of how this
+The example below show an outline of how this could be used. The example just logs the resulting svg to the javascript console.
-could be used. The example just logs the resulting svg to the javascript console.
 
 ```html
-<script src="mermaidAPI.js"></script>
+<script src="mermaid.js"></script>
 
 <script>
-    mermaidAPI.initialize({
+    mermaid.mermaidAPI.initialize({
         startOnLoad:false
     });
     $(function(){
@@ -178,7 +177,7 @@ could be used. The example just logs the resulting svg to the javascript console
         };
 
         var graphDefinition = 'graph TB\na-->b';
-        var graph = mermaidAPI.render('graphDiv', graphDefinition, insertSvg);
+        var graph = mermaid.mermaidAPI.render('graphDiv', graphDefinition, insertSvg);
     });
 </script>
 ```

package.json

@@ -1,6 +1,6 @@
 {
   "name": "mermaid",
-  "version": "8.4.3",
+  "version": "8.4.4",
   "description": "Markdownish syntax for generating flowcharts, sequence diagrams, class diagrams, gantt charts and git graphs.",
   "main": "dist/mermaid.core.js",
   "keywords": [

src/diagrams/class/classDb.js

@@ -94,7 +94,7 @@ export const addMember = function(className, member) {
     if (memberString.startsWith('<<') && memberString.endsWith('>>')) {
       // Remove leading and trailing brackets
       theClass.annotations.push(memberString.substring(2, memberString.length - 2));
-    } else if (memberString.endsWith(')')) {
+    } else if (memberString.indexOf(')') > 0) {
       theClass.methods.push(memberString);
     } else if (memberString) {
       theClass.members.push(memberString);

src/diagrams/class/classDiagram.spec.js

@@ -442,5 +442,27 @@ describe('class diagram, ', function () {
       expect(testClass.methods[0]).toBe('test()');
       expect(testClass.methods[1]).toBe('foo()');
     });
+
+    it('should handle abstract methods', function () {
+      const str = 'classDiagram\n' + 'class Class1\n' + 'Class1 : someMethod()*';
+      parser.parse(str);
+
+      const testClass = parser.yy.getClass('Class1');
+      expect(testClass.annotations.length).toBe(0);
+      expect(testClass.members.length).toBe(0);
+      expect(testClass.methods.length).toBe(1);
+      expect(testClass.methods[0]).toBe('someMethod()*');
+    });
+
+    it('should handle static methods', function () {
+      const str = 'classDiagram\n' + 'class Class1\n' + 'Class1 : someMethod()$';
+      parser.parse(str);
+
+      const testClass = parser.yy.getClass('Class1');
+      expect(testClass.annotations.length).toBe(0);
+      expect(testClass.members.length).toBe(0);
+      expect(testClass.methods.length).toBe(1);
+      expect(testClass.methods[0]).toBe('someMethod()$');
+    });
   });
 });

src/diagrams/class/classRenderer.js

@@ -281,10 +281,34 @@ const drawClass = function(elem, classDef) {
   logger.info('Rendering class ' + classDef);
 
   const addTspan = function(textEl, txt, isFirst) {
+    let displayText = txt;
+    let cssStyle = '';
+    let methodEnd = txt.indexOf(')') + 1;
+
+    if (methodEnd > 1 && methodEnd <= txt.length) {
+      let classifier = txt.substring(methodEnd);
+
+      switch (classifier) {
+        case '*':
+          cssStyle = 'font-style:italic;';
+          break;
+        case '$':
+          cssStyle = 'text-decoration:underline;';
+          break;
+      }
+
+      displayText = txt.substring(0, methodEnd);
+    }
+
     const tSpan = textEl
       .append('tspan')
       .attr('x', conf.padding)
-      .text(txt);
+      .text(displayText);
+
+    if (cssStyle !== '') {
+      tSpan.attr('style', cssStyle);
+    }
+
     if (!isFirst) {
       tSpan.attr('dy', conf.textHeight);
     }

src/diagrams/flowchart/flowChartShapes.js

@@ -135,9 +135,29 @@ function rect_right_inv_arrow(parent, bbox, node) {
   return shapeSvg;
 }
 
+function stadium(parent, bbox, node) {
+  const h = bbox.height;
+  const w = bbox.width + h / 4;
+
+  const shapeSvg = parent
+    .insert('rect', ':first-child')
+    .attr('rx', h / 2)
+    .attr('ry', h / 2)
+    .attr('x', -w / 2)
+    .attr('y', -h / 2)
+    .attr('width', w)
+    .attr('height', h);
+
+  node.intersect = function(point) {
+    return dagreD3.intersect.rect(node, point);
+  };
+  return shapeSvg;
+}
+
 export function addToRender(render) {
   render.shapes().question = question;
   render.shapes().hexagon = hexagon;
+  render.shapes().stadium = stadium;
 
   // Add custom shape for box with inverted arrow on left side
   render.shapes().rect_left_inv_arrow = rect_left_inv_arrow;

src/diagrams/flowchart/flowChartShapes.spec.js

@@ -1,6 +1,29 @@
 import { addToRender } from './flowChartShapes';
 
 describe('flowchart shapes', function() {
+  // rect-based shapes
+  [
+    ['stadium', useWidth, useHeight]
+  ].forEach(function([shapeType, getW, getH]) {
+    it(`should add a ${shapeType} shape that renders a properly positioned rect element`, function() {
+      const mockRender = MockRender();
+      const mockSvg = MockSvg();
+      addToRender(mockRender);
+
+      [[100, 100], [123, 45], [71, 300]].forEach(function([width, height]) {
+        const shape = mockRender.shapes()[shapeType](mockSvg, { width, height }, {});
+        const w = width + height / 4;
+        const h = height;
+        const dx = -getW(w, h) / 2;
+        const dy = -getH(w, h) / 2;
+        expect(shape.__tag).toEqual('rect');
+        expect(shape.__attrs).toHaveProperty('x', dx);
+        expect(shape.__attrs).toHaveProperty('y', dy);
+      });
+    });
+  });
+
+  // polygon-based shapes
   [
     [
       'question',

src/diagrams/flowchart/flowDb.js

@@ -102,7 +102,7 @@ export const addVertex = function(_id, text, type, style, classes) {
  * @param type
  * @param linktext
  */
-export const addLink = function(_start, _end, type, linktext) {
+export const addSingleLink = function(_start, _end, type, linktext) {
   let start = _start;
   let end = _end;
   if (start[0].match(/\d/)) start = MERMAID_DOM_ID_PREFIX + start;
@@ -127,6 +127,14 @@ export const addLink = function(_start, _end, type, linktext) {
   }
   edges.push(edge);
 };
+export const addLink = function(_start, _end, type, linktext) {
+  let i, j;
+  for (i = 0; i < _start.length; i++) {
+    for (j = 0; j < _end.length; j++) {
+      addSingleLink(_start[i], _end[j], type, linktext);
+    }
+  }
+};
 
 /**
  * Updates a link's line interpolation algorithm
@@ -501,6 +509,130 @@ export const firstGraph = () => {
   return false;
 };
 
+const destructStartLink = _str => {
+  const str = _str.trim();
+
+  switch (str) {
+    case '<--':
+      return { type: 'arrow', stroke: 'normal' };
+    case 'x--':
+      return { type: 'arrow_cross', stroke: 'normal' };
+    case 'o--':
+      return { type: 'arrow_circle', stroke: 'normal' };
+    case '<-.':
+      return { type: 'arrow', stroke: 'dotted' };
+    case 'x-.':
+      return { type: 'arrow_cross', stroke: 'dotted' };
+    case 'o-.':
+      return { type: 'arrow_circle', stroke: 'dotted' };
+    case '<==':
+      return { type: 'arrow', stroke: 'thick' };
+    case 'x==':
+      return { type: 'arrow_cross', stroke: 'thick' };
+    case 'o==':
+      return { type: 'arrow_circle', stroke: 'thick' };
+    case '--':
+      return { type: 'arrow_open', stroke: 'normal' };
+    case '==':
+      return { type: 'arrow_open', stroke: 'thick' };
+    case '-.':
+      return { type: 'arrow_open', stroke: 'dotted' };
+  }
+};
+
+const destructEndLink = _str => {
+  const str = _str.trim();
+
+  switch (str) {
+    case '--x':
+      return { type: 'arrow_cross', stroke: 'normal' };
+    case '-->':
+      return { type: 'arrow', stroke: 'normal' };
+    case '<-->':
+      return { type: 'double_arrow_point', stroke: 'normal' };
+    case 'x--x':
+      return { type: 'double_arrow_cross', stroke: 'normal' };
+    case 'o--o':
+      return { type: 'double_arrow_circle', stroke: 'normal' };
+    case 'o.-o':
+      return { type: 'double_arrow_circle', stroke: 'dotted' };
+    case '<==>':
+      return { type: 'double_arrow_point', stroke: 'thick' };
+    case 'o==o':
+      return { type: 'double_arrow_circle', stroke: 'thick' };
+    case 'x==x':
+      return { type: 'double_arrow_cross', stroke: 'thick' };
+    case 'x.-x':
+      return { type: 'double_arrow_cross', stroke: 'dotted' };
+    case 'x-.-x':
+      return { type: 'double_arrow_cross', stroke: 'dotted' };
+    case '<.->':
+      return { type: 'double_arrow_point', stroke: 'dotted' };
+    case '<-.->':
+      return { type: 'double_arrow_point', stroke: 'dotted' };
+    case 'o-.-o':
+      return { type: 'double_arrow_circle', stroke: 'dotted' };
+    case '--o':
+      return { type: 'arrow_circle', stroke: 'normal' };
+    case '---':
+      return { type: 'arrow_open', stroke: 'normal' };
+    case '-.-x':
+      return { type: 'arrow_cross', stroke: 'dotted' };
+    case '-.->':
+      return { type: 'arrow', stroke: 'dotted' };
+    case '-.-o':
+      return { type: 'arrow_circle', stroke: 'dotted' };
+    case '-.-':
+      return { type: 'arrow_open', stroke: 'dotted' };
+    case '.-x':
+      return { type: 'arrow_cross', stroke: 'dotted' };
+    case '.->':
+      return { type: 'arrow', stroke: 'dotted' };
+    case '.-o':
+      return { type: 'arrow_circle', stroke: 'dotted' };
+    case '.-':
+      return { type: 'arrow_open', stroke: 'dotted' };
+    case '==x':
+      return { type: 'arrow_cross', stroke: 'thick' };
+    case '==>':
+      return { type: 'arrow', stroke: 'thick' };
+    case '==o':
+      return { type: 'arrow_circle', stroke: 'thick' };
+    case '===':
+      return { type: 'arrow_open', stroke: 'thick' };
+  }
+};
+
+const destructLink = (_str, _startStr) => {
+  const info = destructEndLink(_str);
+  let startInfo;
+  if (_startStr) {
+    startInfo = destructStartLink(_startStr);
+    console.log(startInfo, info);
+    if (startInfo.stroke !== info.stroke) {
+      return { type: 'INVALID', stroke: 'INVALID' };
+    }
+
+    if (startInfo.type === 'arrow_open') {
+      // -- xyz -->  - take arrow type form ending
+      startInfo.type = info.type;
+    } else {
+      // x-- xyz -->  - not supported
+      if (startInfo.type !== info.type) return { type: 'INVALID', stroke: 'INVALID' };
+
+      startInfo.type = 'double_' + startInfo.type;
+    }
+
+    if (startInfo.type === 'double_arrow') {
+      startInfo.type = 'double_arrow_point';
+    }
+
+    return startInfo;
+  }
+
+  return info;
+};
+
 export default {
   addVertex,
   addLink,
@@ -523,6 +655,7 @@ export default {
   getDepthFirstPos,
   indexNodes,
   getSubGraphs,
+  destructLink,
   lex: {
     firstGraph
   }

src/diagrams/flowchart/flowRenderer.js

@@ -154,6 +154,9 @@ export const addVertices = function(vert, g, svgId) {
       case 'ellipse':
         _shape = 'ellipse';
         break;
+      case 'stadium':
+        _shape = 'stadium';
+        break;
       case 'group':
         _shape = 'rect';
         break;
@@ -236,18 +239,18 @@ export const addEdges = function(edges, g) {
       }
     } else {
       edgeData.arrowheadStyle = 'fill: #333';
-      if (typeof edge.style === 'undefined') {
       edgeData.labelpos = 'c';
+
       if (getConfig().flowchart.htmlLabels) {
         edgeData.labelType = 'html';
         edgeData.label = '<span class="edgeLabel">' + edge.text + '</span>';
       } else {
         edgeData.labelType = 'text';
+        edgeData.label = edge.text.replace(/<br ?\/?>/g, '\n');
+
+        if (typeof edge.style === 'undefined') {
           edgeData.style = edgeData.style || 'stroke: #333; stroke-width: 1.5px;fill:none';
-          edgeData.label = edge.text.replace(/<br>/g, '\n');
         }
-      } else {
-        edgeData.label = edge.text.replace(/<br>/g, '\n');
       }
     }
     // Add the edge to the graph

src/diagrams/flowchart/flowRenderer.spec.js

@@ -1,4 +1,4 @@
-import { addVertices } from './flowRenderer';
+import { addVertices, addEdges } from './flowRenderer';
 import { setConfig } from '../../config';
 
 setConfig({
@@ -22,6 +22,7 @@ describe('the flowchart renderer', function() {
       ['odd_right', 'rect_left_inv_arrow'],
       ['circle', 'circle'],
       ['ellipse', 'ellipse'],
+      ['stadium', 'stadium'],
       ['group', 'rect']
     ].forEach(function([type, expectedShape, expectedRadios = 0]) {
       it(`should add the correct shaped node to the graph for vertex type ${type}`, function() {
@@ -93,4 +94,32 @@ describe('the flowchart renderer', function() {
       expect(addedNodes[0][1]).toHaveProperty('labelStyle', expectedLabelStyle);
     });
   });
+
+  describe('when adding edges to a graph', function() {
+    it('should handle multiline texts and set centered label position', function() {
+      const addedEdges = [];
+      const mockG = {
+        setEdge: function(s, e, data, c) {
+          addedEdges.push(data);
+        }
+      };
+      addEdges(
+        [
+          { text: 'Multi<br>Line' },
+          { text: 'Multi<br/>Line' },
+          { text: 'Multi<br />Line' },
+          { style: ['stroke:DarkGray', 'stroke-width:2px'], text: 'Multi<br>Line' },
+          { style: ['stroke:DarkGray', 'stroke-width:2px'], text: 'Multi<br/>Line' },
+          { style: ['stroke:DarkGray', 'stroke-width:2px'], text: 'Multi<br />Line' }
+        ],
+        mockG,
+        'svg-id'
+      );
+
+      addedEdges.forEach(function(edge) {
+        expect(edge).toHaveProperty('label', 'Multi\nLine');
+        expect(edge).toHaveProperty('labelpos', 'c');
+      });
+    });
+  });
 });

src/diagrams/flowchart/parser/flow-edges.spec.js

@@ -87,7 +87,7 @@ describe('[Edges] when parsing', () => {
       expect(edges[0].text).toBe('');
     });
 
-    it('should handle double edged nodes with text on thick arrows', function() {
+    it('should handle double edged nodes with text on thick arrows XYZ1', function() {
       const res = flow.parser.parse('graph TD;\nA x== text ==x B;');
 
       const vert = flow.parser.yy.getVertices();

src/diagrams/flowchart/parser/flow-singlenode.spec.js

@@ -22,6 +22,16 @@ describe('[Singlenodes] when parsing', () => {
     expect(edges.length).toBe(0);
     expect(vert['A'].styles.length).toBe(0);
   });
+  it('should handle a single node with white space after it (SN1)', function() {
+    // Silly but syntactically correct
+    const res = flow.parser.parse('graph TD;A ;');
+
+    const vert = flow.parser.yy.getVertices();
+    const edges = flow.parser.yy.getEdges();
+
+    expect(edges.length).toBe(0);
+    expect(vert['A'].styles.length).toBe(0);
+  });
 
   it('should handle a single square node', function() {
     // Silly but syntactically correct

src/diagrams/flowchart/parser/flow-text.spec.js

@@ -182,7 +182,7 @@ describe('[Text] when parsing', () => {
 
       expect(edges[0].stroke).toBe('normal');
     });
-    it('it should handle dotted text on lines', function() {
+    it('it should handle dotted text on lines (TD3)', function() {
       const res = flow.parser.parse('graph TD;A-. test text with == .->B;');
 
       const vert = flow.parser.yy.getVertices();
@@ -265,7 +265,7 @@ describe('[Text] when parsing', () => {
       expect(edges[0].text).toBe('text including URL space');
     });
 
-    it('should handle space and dir (TD)', function() {
+    it('should handle space and dir (TD2)', function() {
       const res = flow.parser.parse('graph TD;A-- text including R TD space --xB;');
 
       const vert = flow.parser.yy.getVertices();

src/diagrams/flowchart/parser/flow-vertice-chaining.spec.js

@@ -34,4 +34,179 @@ describe('when parsing flowcharts', function() {
     expect(edges[1].type).toBe('arrow');
     expect(edges[1].text).toBe('');
   });
+  it('should handle chaining of vertices', function() {
+    const res = flow.parser.parse(`
+    graph TD
+      A B --> C;
+    `);
+
+    const vert = flow.parser.yy.getVertices();
+    const edges = flow.parser.yy.getEdges();
+
+    expect(vert['A'].id).toBe('A');
+    expect(vert['B'].id).toBe('B');
+    expect(vert['C'].id).toBe('C');
+    expect(edges.length).toBe(2);
+    expect(edges[0].start).toBe('A');
+    expect(edges[0].end).toBe('C');
+    expect(edges[0].type).toBe('arrow');
+    expect(edges[0].text).toBe('');
+    expect(edges[1].start).toBe('B');
+    expect(edges[1].end).toBe('C');
+    expect(edges[1].type).toBe('arrow');
+    expect(edges[1].text).toBe('');
+  });
+  it('should multiple vertices in link statement in the begining', function() {
+    const res = flow.parser.parse(`
+    graph TD
+      A-->B C;
+    `);
+
+    const vert = flow.parser.yy.getVertices();
+    const edges = flow.parser.yy.getEdges();
+
+    expect(vert['A'].id).toBe('A');
+    expect(vert['B'].id).toBe('B');
+    expect(vert['C'].id).toBe('C');
+    expect(edges.length).toBe(2);
+    expect(edges[0].start).toBe('A');
+    expect(edges[0].end).toBe('B');
+    expect(edges[0].type).toBe('arrow');
+    expect(edges[0].text).toBe('');
+    expect(edges[1].start).toBe('A');
+    expect(edges[1].end).toBe('C');
+    expect(edges[1].type).toBe('arrow');
+    expect(edges[1].text).toBe('');
+  });
+  it('should multiple vertices in link statement at the end', function() {
+    const res = flow.parser.parse(`
+    graph TD
+      A B--> C D;
+    `);
+
+    const vert = flow.parser.yy.getVertices();
+    const edges = flow.parser.yy.getEdges();
+
+    expect(vert['A'].id).toBe('A');
+    expect(vert['B'].id).toBe('B');
+    expect(vert['C'].id).toBe('C');
+    expect(vert['D'].id).toBe('D');
+    expect(edges.length).toBe(4);
+    expect(edges[0].start).toBe('A');
+    expect(edges[0].end).toBe('C');
+    expect(edges[0].type).toBe('arrow');
+    expect(edges[0].text).toBe('');
+    expect(edges[1].start).toBe('A');
+    expect(edges[1].end).toBe('D');
+    expect(edges[1].type).toBe('arrow');
+    expect(edges[1].text).toBe('');
+    expect(edges[2].start).toBe('B');
+    expect(edges[2].end).toBe('C');
+    expect(edges[2].type).toBe('arrow');
+    expect(edges[2].text).toBe('');
+    expect(edges[3].start).toBe('B');
+    expect(edges[3].end).toBe('D');
+    expect(edges[3].type).toBe('arrow');
+    expect(edges[3].text).toBe('');
+  });
+  it('should handle chaining of vertices at both ends at once', function() {
+    const res = flow.parser.parse(`
+    graph TD
+      A B--> C D;
+    `);
+
+    const vert = flow.parser.yy.getVertices();
+    const edges = flow.parser.yy.getEdges();
+
+    expect(vert['A'].id).toBe('A');
+    expect(vert['B'].id).toBe('B');
+    expect(vert['C'].id).toBe('C');
+    expect(vert['D'].id).toBe('D');
+    expect(edges.length).toBe(4);
+    expect(edges[0].start).toBe('A');
+    expect(edges[0].end).toBe('C');
+    expect(edges[0].type).toBe('arrow');
+    expect(edges[0].text).toBe('');
+    expect(edges[1].start).toBe('A');
+    expect(edges[1].end).toBe('D');
+    expect(edges[1].type).toBe('arrow');
+    expect(edges[1].text).toBe('');
+    expect(edges[2].start).toBe('B');
+    expect(edges[2].end).toBe('C');
+    expect(edges[2].type).toBe('arrow');
+    expect(edges[2].text).toBe('');
+    expect(edges[3].start).toBe('B');
+    expect(edges[3].end).toBe('D');
+    expect(edges[3].type).toBe('arrow');
+    expect(edges[3].text).toBe('');
+  });
+  it('should handle chaining and multiple nodes in in link statement', function() {
+    const res = flow.parser.parse(`
+    graph TD
+      A --> B C --> D;
+    `);
+
+    const vert = flow.parser.yy.getVertices();
+    const edges = flow.parser.yy.getEdges();
+
+    expect(vert['A'].id).toBe('A');
+    expect(vert['B'].id).toBe('B');
+    expect(vert['C'].id).toBe('C');
+    expect(vert['D'].id).toBe('D');
+    expect(edges.length).toBe(4);
+    expect(edges[0].start).toBe('A');
+    expect(edges[0].end).toBe('B');
+    expect(edges[0].type).toBe('arrow');
+    expect(edges[0].text).toBe('');
+    expect(edges[1].start).toBe('A');
+    expect(edges[1].end).toBe('C');
+    expect(edges[1].type).toBe('arrow');
+    expect(edges[1].text).toBe('');
+    expect(edges[2].start).toBe('B');
+    expect(edges[2].end).toBe('D');
+    expect(edges[2].type).toBe('arrow');
+    expect(edges[2].text).toBe('');
+    expect(edges[3].start).toBe('C');
+    expect(edges[3].end).toBe('D');
+    expect(edges[3].type).toBe('arrow');
+    expect(edges[3].text).toBe('');
+  });
+  it('should handle chaining and multiple nodes in in link statement with extra info in statements', function() {
+    const res = flow.parser.parse(`
+    graph TD
+      A[ h ] -- hello --> B[" test "]:::exClass C --> D;
+      classDef exClass background:#bbb,border:1px solid red;
+    `);
+
+    const vert = flow.parser.yy.getVertices();
+    const edges = flow.parser.yy.getEdges();
+
+    const classes = flow.parser.yy.getClasses();
+
+    expect(classes['exClass'].styles.length).toBe(2);
+    expect(classes['exClass'].styles[0]).toBe('background:#bbb');
+    expect(classes['exClass'].styles[1]).toBe('border:1px solid red');
+    expect(vert['A'].id).toBe('A');
+    expect(vert['B'].id).toBe('B');
+    expect(vert['B'].classes[0]).toBe('exClass');
+    expect(vert['C'].id).toBe('C');
+    expect(vert['D'].id).toBe('D');
+    expect(edges.length).toBe(4);
+    expect(edges[0].start).toBe('A');
+    expect(edges[0].end).toBe('B');
+    expect(edges[0].type).toBe('arrow');
+    expect(edges[0].text).toBe('hello');
+    expect(edges[1].start).toBe('A');
+    expect(edges[1].end).toBe('C');
+    expect(edges[1].type).toBe('arrow');
+    expect(edges[1].text).toBe('hello');
+    expect(edges[2].start).toBe('B');
+    expect(edges[2].end).toBe('D');
+    expect(edges[2].type).toBe('arrow');
+    expect(edges[2].text).toBe('');
+    expect(edges[3].start).toBe('C');
+    expect(edges[3].end).toBe('D');
+    expect(edges[3].type).toBe('arrow');
+    expect(edges[3].text).toBe('');
+  });
 });

src/diagrams/flowchart/parser/flow.jison

@@ -8,6 +8,7 @@
 %lex
 %x string
 %x dir
+%x vertex
 %%
 \%\%[^\n]*\n*           /* do nothing */
 ["]                     this.begin("string");
@@ -40,48 +41,50 @@
 ";"                   return 'SEMI';
 ","                   return 'COMMA';
 "*"                   return 'MULT';
-\s*\-\-[x]\s*            return 'ARROW_CROSS';
+\s*\-\-[x]\s*            return 'LINK';
-\s*\-\-\>\s*             return 'ARROW_POINT';
+\s*\-\-\>\s*             return 'LINK';
-\s*\<\-\-\>\s*           return 'DOUBLE_ARROW_POINT';
+\s*\<\-\-\>\s*           return 'LINK';
-\s*[x]\-\-[x]\s*         return 'DOUBLE_ARROW_CROSS';
+\s*[x]\-\-[x]\s*         return 'LINK';
-\s*[o]\-\-[o]\s*         return 'DOUBLE_ARROW_CIRCLE';
+\s*[o]\-\-[o]\s*         return 'LINK';
-\s*[o]\.\-[o]\s*         return 'DOUBLE_DOTTED_ARROW_CIRCLE';
+\s*[o]\.\-[o]\s*         return 'LINK';
-\s*\<\=\=\>\s*           return 'DOUBLE_THICK_ARROW_POINT';
+\s*\<\=\=\>\s*           return 'LINK';
-\s*[o]\=\=[o]\s*         return 'DOUBLE_THICK_ARROW_CIRCLE';
+\s*[o]\=\=[o]\s*         return 'LINK';
-\s*[x]\=\=[x]\s*         return 'DOUBLE_THICK_ARROW_CROSS';
+\s*[x]\=\=[x]\s*         return 'LINK';
-\s*[x].\-[x]\s*          return 'DOUBLE_DOTTED_ARROW_CROSS';
+\s*[x].\-[x]\s*          return 'LINK';
-\s*[x]\-\.\-[x]\s*       return 'DOUBLE_DOTTED_ARROW_CROSS';
+\s*[x]\-\.\-[x]\s*       return 'LINK';
-\s*\<\.\-\>\s*           return 'DOUBLE_DOTTED_ARROW_POINT';
+\s*\<\.\-\>\s*           return 'LINK';
-\s*\<\-\.\-\>\s*         return 'DOUBLE_DOTTED_ARROW_POINT';
+\s*\<\-\.\-\>\s*         return 'LINK';
-\s*[o]\-\.\-[o]\s*       return 'DOUBLE_DOTTED_ARROW_CIRCLE';
+\s*[o]\-\.\-[o]\s*       return 'LINK';
-\s*\-\-[o]\s*            return 'ARROW_CIRCLE';
+\s*\-\-[o]\s*            return 'LINK';
-\s*\-\-\-\s*             return 'ARROW_OPEN';
+\s*\-\-\-\s*             return 'LINK';
-\s*\-\.\-[x]\s*          return 'DOTTED_ARROW_CROSS';
+\s*\-\.\-[x]\s*          return 'LINK';
-\s*\-\.\-\>\s*           return 'DOTTED_ARROW_POINT';
+\s*\-\.\-\>\s*           return 'LINK';
-\s*\-\.\-[o]\s*          return 'DOTTED_ARROW_CIRCLE';
+\s*\-\.\-[o]\s*          return 'LINK';
-\s*\-\.\-\s*             return 'DOTTED_ARROW_OPEN';
+\s*\-\.\-\s*             return 'LINK';
-\s*.\-[x]\s*             return 'DOTTED_ARROW_CROSS';
+\s*.\-[x]\s*             return 'LINK';
-\s*\.\-\>\s*             return 'DOTTED_ARROW_POINT';
+\s*\.\-\>\s*             return 'LINK';
-\s*\.\-[o]\s*            return 'DOTTED_ARROW_CIRCLE';
+\s*\.\-[o]\s*            return 'LINK';
-\s*\.\-\s*               return 'DOTTED_ARROW_OPEN';
+\s*\.\-\s*               return 'LINK';
-\s*\=\=[x]\s*            return 'THICK_ARROW_CROSS';
+\s*\=\=[x]\s*            return 'LINK';
-\s*\=\=\>\s*             return 'THICK_ARROW_POINT';
+\s*\=\=\>\s*             return 'LINK';
-\s*\=\=[o]\s*            return 'THICK_ARROW_CIRCLE';
+\s*\=\=[o]\s*            return 'LINK';
-\s*\=\=[\=]\s*           return 'THICK_ARROW_OPEN';
+\s*\=\=[\=]\s*           return 'LINK';
-\s*\<\-\-\s*             return 'START_DOUBLE_ARROW_POINT';
+\s*\<\-\-\s*             return 'START_LINK';
-\s*[x]\-\-\s*            return 'START_DOUBLE_ARROW_CROSS';
+\s*[x]\-\-\s*            return 'START_LINK';
-\s*[o]\-\-\s*            return 'START_DOUBLE_ARROW_CIRCLE';
+\s*[o]\-\-\s*            return 'START_LINK';
-\s*\<\-\.\s*             return 'START_DOUBLE_DOTTED_ARROW_POINT';
+\s*\<\-\.\s*             return 'START_LINK';
-\s*[x]\-\.\s*            return 'START_DOUBLE_DOTTED_ARROW_CROSS';
+\s*[x]\-\.\s*            return 'START_LINK';
-\s*[o]\-\.\s*            return 'START_DOUBLE_DOTTED_ARROW_CIRCLE';
+\s*[o]\-\.\s*            return 'START_LINK';
-\s*\<\=\=\s*             return 'START_DOUBLE_THICK_ARROW_POINT';
+\s*\<\=\=\s*             return 'START_LINK';
-\s*[x]\=\=\s*            return 'START_DOUBLE_THICK_ARROW_CROSS';
+\s*[x]\=\=\s*            return 'START_LINK';
-\s*[o]\=\=\s*            return 'START_DOUBLE_THICK_ARROW_CIRCLE';
+\s*[o]\=\=\s*            return 'START_LINK';
-\s*\-\-\s*               return '--';
+\s*\-\-\s*               return 'START_LINK';
-\s*\-\.\s*               return '-.';
+\s*\-\.\s*               return 'START_LINK';
-\s*\=\=\s*               return '==';
+\s*\=\=\s*               return 'START_LINK';
 "(-"                  return '(-';
 "-)"                  return '-)';
+"(["                  return 'STADIUMSTART';
+"])"                  return 'STADIUMEND';
 \-                    return 'MINUS';
 "."                   return 'DOT';
 [\_]                  return 'UNDERSCORE';
@@ -92,6 +95,7 @@
 "<"                   return 'TAGSTART';
 ">"                   return 'TAGEND';
 "^"                   return 'UP';
+"\|"                   return 'SEP';
 "v"                   return 'DOWN';
 [A-Za-z]+             return 'ALPHA';
 "\\]"                 return 'TRAPEND';
@@ -245,7 +249,7 @@ spaceList
 
 statement
     : verticeStatement separator
-    { $$=$1}
+    { /* console.warn('finat vs', $1.nodes); */ $$=$1.nodes}
     | styleStatement separator
     {$$=[];}
     | linkStyleStatement separator
@@ -283,68 +287,49 @@ separator: NEWLINE | SEMI | EOF ;
 //         {$$ = [$1];yy.setClass($1,$3)}
 //    ;
 
-verticeStatement: verticeStatement link node { yy.addLink($1[0],$3[0],$2); $$ = $3.concat($1) }
+
-    |node { $$ = $1 }
+verticeStatement: verticeStatement link node
+        { /* console.warn('vs',$1.stmt,$3); */ yy.addLink($1.stmt,$3,$2); $$ = { stmt: $3, nodes: $3.concat($1.nodes) } }
+    |  verticeStatement link node spaceList
+        { /* console.warn('vs',$1.stmt,$3); */ yy.addLink($1.stmt,$3,$2); $$ = { stmt: $3, nodes: $3.concat($1.nodes) } }
+    |node spaceList {/*console.warn('noda', $1);*/ $$ = {stmt: $1, nodes:$1 }}
+    |node { /*console.warn('noda', $1);*/ $$ = {stmt: $1, nodes:$1 }}
     ;
 
 node: vertex
-        { $$ = [$1];}
+        { /* console.warn('nod', $1); */ $$ = [$1];}
+    | node spaceList vertex
+        { $$ = [$1[0], $3]; /*console.warn('pip', $1, $3, $$);*/ }
     | vertex STYLE_SEPARATOR idString
         {$$ = [$1];yy.setClass($1,$3)}
     ;
 
 vertex:  idString SQS text SQE
         {$$ = $1;yy.addVertex($1,$3,'square');}
-    |  idString SQS text SQE spaceList
-        {$$ = $1;yy.addVertex($1,$3,'square');}
     | idString PS PS text PE PE
         {$$ = $1;yy.addVertex($1,$4,'circle');}
-    | idString PS PS text PE PE spaceList
-        {$$ = $1;yy.addVertex($1,$4,'circle');}
     | idString '(-' text '-)'
         {$$ = $1;yy.addVertex($1,$3,'ellipse');}
-    | idString '(-' text '-)' spaceList
+    | idString STADIUMSTART text STADIUMEND
-        {$$ = $1;yy.addVertex($1,$3,'ellipse');}
+        {$$ = $1;yy.addVertex($1,$3,'stadium');}
     | idString PS text PE
         {$$ = $1;yy.addVertex($1,$3,'round');}
-    | idString PS text PE spaceList
-        {$$ = $1;yy.addVertex($1,$3,'round');}
     | idString DIAMOND_START text DIAMOND_STOP
         {$$ = $1;yy.addVertex($1,$3,'diamond');}
-    | idString DIAMOND_START text DIAMOND_STOP spaceList
-        {$$ = $1;yy.addVertex($1,$3,'diamond');}
     | idString DIAMOND_START DIAMOND_START text DIAMOND_STOP DIAMOND_STOP
         {$$ = $1;yy.addVertex($1,$4,'hexagon');}
-    | idString DIAMOND_START DIAMOND_START text DIAMOND_STOP DIAMOND_STOP spaceList
-        {$$ = $1;yy.addVertex($1,$4,'hexagon');}
     | idString TAGEND text SQE
         {$$ = $1;yy.addVertex($1,$3,'odd');}
-    | idString TAGEND text SQE spaceList
-        {$$ = $1;yy.addVertex($1,$3,'odd');}
     | idString TRAPSTART text TRAPEND
         {$$ = $1;yy.addVertex($1,$3,'trapezoid');}
-    | idString TRAPSTART text TRAPEND spaceList
-        {$$ = $1;yy.addVertex($1,$3,'trapezoid');}
     | idString INVTRAPSTART text INVTRAPEND
         {$$ = $1;yy.addVertex($1,$3,'inv_trapezoid');}
-    | idString INVTRAPSTART text INVTRAPEND spaceList
-        {$$ = $1;yy.addVertex($1,$3,'inv_trapezoid');}
     | idString TRAPSTART text INVTRAPEND
         {$$ = $1;yy.addVertex($1,$3,'lean_right');}
-    | idString TRAPSTART text INVTRAPEND spaceList
-        {$$ = $1;yy.addVertex($1,$3,'lean_right');}
     | idString INVTRAPSTART text TRAPEND
         {$$ = $1;yy.addVertex($1,$3,'lean_left');}
-    | idString INVTRAPSTART text TRAPEND spaceList
-        {$$ = $1;yy.addVertex($1,$3,'lean_left');}
-/*  | idString SQS text TAGSTART
-        {$$ = $1;yy.addVertex($1,$3,'odd_right');}
-    | idString SQS text TAGSTART spaceList
-        {$$ = $1;yy.addVertex($1,$3,'odd_right');} */
     | idString
-        {$$ = $1;yy.addVertex($1);}
+        { /*console.warn('h: ', $1);*/$$ = $1;yy.addVertex($1);}
-    | idString spaceList
-        {$$ = $1;yy.addVertex($1);}
     ;
 
 
@@ -357,92 +342,12 @@ link: linkStatement arrowText
     {$1.text = $2;$$ = $1;}
     | linkStatement
     {$$ = $1;}
-    | '--' text ARROW_POINT
+    | START_LINK text LINK
-        {$$ = {"type":"arrow","stroke":"normal","text":$2};}
+        {var inf = yy.destructLink($3, $1); $$ = {"type":inf.type,"stroke":inf.stroke,"text":$2};}
-    | 'START_DOUBLE_ARROW_POINT' text ARROW_POINT
-        {$$ = {"type":"double_arrow_point","stroke":"normal","text":$2};}
-    | '--' text ARROW_CIRCLE
-        {$$ = {"type":"arrow_circle","stroke":"normal","text":$2};}
-    | 'START_DOUBLE_ARROW_CIRCLE' text ARROW_CIRCLE
-        {$$ = {"type":"double_arrow_circle","stroke":"normal","text":$2};}
-    | '--' text ARROW_CROSS
-        {$$ = {"type":"arrow_cross","stroke":"normal","text":$2};}
-    | 'START_DOUBLE_ARROW_CROSS' text ARROW_CROSS
-        {$$ = {"type":"double_arrow_cross","stroke":"normal","text":$2};}
-    | '--' text ARROW_OPEN
-        {$$ = {"type":"arrow_open","stroke":"normal","text":$2};}
-    | '-.' text DOTTED_ARROW_POINT
-        {$$ = {"type":"arrow","stroke":"dotted","text":$2};}
-    | 'START_DOUBLE_DOTTED_ARROW_POINT' text DOTTED_ARROW_POINT
-        {$$ = {"type":"double_arrow_point","stroke":"dotted","text":$2};}
-    | '-.' text DOTTED_ARROW_CIRCLE
-        {$$ = {"type":"arrow_circle","stroke":"dotted","text":$2};}
-    | 'START_DOUBLE_DOTTED_ARROW_CIRCLE' text DOTTED_ARROW_CIRCLE
-        {$$ = {"type":"double_arrow_circle","stroke":"dotted","text":$2};}
-    | '-.' text DOTTED_ARROW_CROSS
-        {$$ = {"type":"arrow_cross","stroke":"dotted","text":$2};}
-    | 'START_DOUBLE_DOTTED_ARROW_CROSS' text DOTTED_ARROW_CROSS
-        {$$ = {"type":"double_arrow_cross","stroke":"dotted","text":$2};}
-    | '-.' text DOTTED_ARROW_OPEN
-        {$$ = {"type":"arrow_open","stroke":"dotted","text":$2};}
-    | '==' text THICK_ARROW_POINT
-        {$$ = {"type":"arrow","stroke":"thick","text":$2};}
-    | 'START_DOUBLE_THICK_ARROW_POINT' text THICK_ARROW_POINT
-        {$$ = {"type":"double_arrow_point","stroke":"thick","text":$2};}
-    | '==' text THICK_ARROW_CIRCLE
-        {$$ = {"type":"arrow_circle","stroke":"thick","text":$2};}
-    | 'START_DOUBLE_THICK_ARROW_CIRCLE' text THICK_ARROW_CIRCLE
-        {$$ = {"type":"double_arrow_circle","stroke":"thick","text":$2};}
-    | '==' text THICK_ARROW_CROSS
-        {$$ = {"type":"arrow_cross","stroke":"thick","text":$2};}
-    | 'START_DOUBLE_THICK_ARROW_CROSS' text THICK_ARROW_CROSS
-        {$$ = {"type":"double_arrow_cross","stroke":"thick","text":$2};}
-    | '==' text THICK_ARROW_OPEN
-        {$$ = {"type":"arrow_open","stroke":"thick","text":$2};}
     ;
 
-linkStatement: ARROW_POINT
+linkStatement: LINK
-        {$$ = {"type":"arrow","stroke":"normal"};}
+        {var inf = yy.destructLink($1);$$ = {"type":inf.type,"stroke":inf.stroke};}
-    | DOUBLE_ARROW_POINT
-        {$$ = {"type":"double_arrow_point","stroke":"normal"};}
-    | ARROW_CIRCLE
-        {$$ = {"type":"arrow_circle","stroke":"normal"};}
-    | DOUBLE_ARROW_CIRCLE
-        {$$ = {"type":"double_arrow_circle","stroke":"normal"};}
-    | ARROW_CROSS
-        {$$ = {"type":"arrow_cross","stroke":"normal"};}
-    | DOUBLE_ARROW_CROSS
-        {$$ = {"type":"double_arrow_cross","stroke":"normal"};}
-    | ARROW_OPEN
-        {$$ = {"type":"arrow_open","stroke":"normal"};}
-    | DOTTED_ARROW_POINT
-        {$$ = {"type":"arrow","stroke":"dotted"};}
-    | DOUBLE_DOTTED_ARROW_POINT
-        {$$ = {"type":"double_arrow_point","stroke":"dotted"};}
-    | DOTTED_ARROW_CIRCLE
-        {$$ = {"type":"arrow_circle","stroke":"dotted"};}
-    | DOUBLE_DOTTED_ARROW_CIRCLE
-        {$$ = {"type":"double_arrow_circle","stroke":"dotted"};}
-    | DOTTED_ARROW_CROSS
-        {$$ = {"type":"arrow_cross","stroke":"dotted"};}
-    | DOUBLE_DOTTED_ARROW_CROSS
-        {$$ = {"type":"double_arrow_cross","stroke":"dotted"};}
-    | DOTTED_ARROW_OPEN
-        {$$ = {"type":"arrow_open","stroke":"dotted"};}
-    | THICK_ARROW_POINT
-        {$$ = {"type":"arrow","stroke":"thick"};}
-    | DOUBLE_THICK_ARROW_POINT
-        {$$ = {"type":"double_arrow_point","stroke":"thick"};}
-    | THICK_ARROW_CIRCLE
-        {$$ = {"type":"arrow_circle","stroke":"thick"};}
-    | DOUBLE_THICK_ARROW_CIRCLE
-        {$$ = {"type":"double_arrow_circle","stroke":"thick"};}
-    | THICK_ARROW_CROSS
-        {$$ = {"type":"arrow_cross","stroke":"thick"};}
-    | DOUBLE_THICK_ARROW_CROSS
-        {$$ = {"type":"double_arrow_cross","stroke":"thick"};}
-    | THICK_ARROW_OPEN
-        {$$ = {"type":"arrow_open","stroke":"thick"};}
         ;
 
 arrowText:
@@ -530,7 +435,7 @@ styleComponent: ALPHA | COLON | MINUS | NUM | UNIT | SPACE | HEX | BRKT | DOT |
 
 /* Token lists */
 
-textToken      : textNoTagsToken | TAGSTART | TAGEND | '=='  | '--' | PCT | DEFAULT;
+textToken      : textNoTagsToken | TAGSTART | TAGEND | START_LINK | PCT | DEFAULT;
 
 textNoTagsToken: alphaNumToken | SPACE | MINUS | keywords ;
 
@@ -563,5 +468,5 @@ alphaNumToken  : PUNCTUATION | UNICODE_TEXT | NUM| ALPHA | COLON | COMMA | PLUS
 
 idStringToken  : ALPHA|UNDERSCORE |UNICODE_TEXT | NUM|  COLON | COMMA | PLUS | MINUS | DOWN |EQUALS | MULT | BRKT | DOT | PUNCTUATION;
 
-graphCodeTokens:  TRAPSTART | TRAPEND | INVTRAPSTART | INVTRAPEND | PIPE | PS | PE | SQS | SQE | DIAMOND_START | DIAMOND_STOP | TAGSTART | TAGEND | ARROW_CROSS | ARROW_POINT | ARROW_CIRCLE | ARROW_OPEN | QUOTE | SEMI ;
+graphCodeTokens: STADIUMSTART | STADIUMEND | TRAPSTART | TRAPEND | INVTRAPSTART | INVTRAPEND | PIPE | PS | PE | SQS | SQE | DIAMOND_START | DIAMOND_STOP | TAGSTART | TAGEND | ARROW_CROSS | ARROW_POINT | ARROW_CIRCLE | ARROW_OPEN | QUOTE | SEMI;
 %%

src/diagrams/flowchart/parser/subgraph.spec.js

@@ -16,6 +16,7 @@ describe('when parsing subgraphs', function() {
     const subgraphs = flow.parser.yy.getSubGraphs();
     expect(subgraphs.length).toBe(1);
     const subgraph = subgraphs[0];
+
     expect(subgraph.nodes.length).toBe(2);
     expect(subgraph.nodes[0]).toBe('a2');
     expect(subgraph.nodes[1]).toBe('a1');
@@ -191,6 +192,15 @@ describe('when parsing subgraphs', function() {
     expect(edges[0].type).toBe('arrow');
   });
 
+  it('should handle subgraphs3', function() {
+    const res = flow.parser.parse('graph TD\nA-->B\nsubgraph myTitle   \n\n    c-->d \nend\n');
+
+    const vert = flow.parser.yy.getVertices();
+    const edges = flow.parser.yy.getEdges();
+
+    expect(edges[0].type).toBe('arrow');
+  });
+
   it('should handle nested subgraphs', function() {
     const str =
       'graph TD\n' +
@@ -218,6 +228,14 @@ describe('when parsing subgraphs', function() {
     const vert = flow.parser.yy.getVertices();
     const edges = flow.parser.yy.getEdges();
 
+    expect(edges[0].type).toBe('arrow');
+  });
+  it('should handle subgraphs with multi node statements in it', function() {
+    const res = flow.parser.parse('graph TD\nA-->B\nsubgraph myTitle\na b --> c e\n end;');
+
+    const vert = flow.parser.yy.getVertices();
+    const edges = flow.parser.yy.getEdges();
+
     expect(edges[0].type).toBe('arrow');
   });
 });

src/diagrams/gantt/ganttDb.js

@@ -138,14 +138,28 @@ const getStartDate = function(prevTime, dateFormat, str) {
   const afterStatement = re.exec(str.trim());
 
   if (afterStatement !== null) {
-    const task = findTaskById(afterStatement[1]);
+    // check all after ids and take the latest
+    let latestEndingTask = null;
+    afterStatement[1].split(' ').forEach(function(id) {
+      let task = findTaskById(id);
+      if (typeof task !== 'undefined') {
+        if (!latestEndingTask) {
+          latestEndingTask = task;
+        } else {
+          if (task.endTime > latestEndingTask.endTime) {
+            latestEndingTask = task;
+          }
+        }
+      }
+    });
 
-    if (typeof task === 'undefined') {
+    if (!latestEndingTask) {
       const dt = new Date();
       dt.setHours(0, 0, 0, 0);
       return dt;
+    } else {
+      return latestEndingTask.endTime;
     }
-    return task.endTime;
   }
 
   // Check for actual date set

src/diagrams/git/gitGraphRenderer.js

@@ -302,6 +302,7 @@ export const draw = function(txt, id, ver) {
   try {
     const parser = gitGraphParser.parser;
     parser.yy = db;
+    parser.yy.clear();
 
     logger.debug('in gitgraph renderer', txt + '\n', 'id:', id, ver);
     // Parse the graph definition

src/diagrams/pie/parser/pie.jison

@@ -49,7 +49,7 @@ line
 
 statement
 	:  STR VALUE {
-		console.log('str:'+$1+' value: '+$2)
+		/*console.log('str:'+$1+' value: '+$2)*/
 		yy.addSection($1,yy.cleanupValue($2));  }
 	| title {yy.setTitle($1.substr(6));$$=$1.substr(6);}
 	;

src/diagrams/sequence/sequenceDiagram.spec.js

@@ -333,6 +333,34 @@ describe('when parsing a sequenceDiagram', function() {
     expect(messages[0].from).toBe('Alice');
     expect(messages[2].from).toBe('John');
   });
+  it('it should handle different line breaks', function() {
+    const str =
+      'sequenceDiagram\n' +
+      'participant 1 as multiline<br>text\n' +
+      'participant 2 as multiline<br/>text\n' +
+      'participant 3 as multiline<br />text\n' +
+      '1->>2: multiline<br>text\n' +
+      'note right of 2: multiline<br>text\n' +
+      '2->>3: multiline<br/>text\n' +
+      'note right of 3: multiline<br/>text\n' +
+      '3->>1: multiline<br />text\n' +
+      'note right of 1: multiline<br />text\n';
+
+    parser.parse(str);
+
+    const actors = parser.yy.getActors();
+    expect(actors['1'].description).toBe('multiline<br>text');
+    expect(actors['2'].description).toBe('multiline<br/>text');
+    expect(actors['3'].description).toBe('multiline<br />text');
+
+    const messages = parser.yy.getMessages();
+    expect(messages[0].message).toBe('multiline<br>text');
+    expect(messages[1].message).toBe('multiline<br>text');
+    expect(messages[2].message).toBe('multiline<br/>text');
+    expect(messages[3].message).toBe('multiline<br/>text');
+    expect(messages[4].message).toBe('multiline<br />text');
+    expect(messages[5].message).toBe('multiline<br />text');
+  });
   it('it should handle notes over a single actor', function() {
     const str =
       'sequenceDiagram\n' + 'Alice->Bob: Hello Bob, how are you?\n' + 'Note over Bob: Bob thinks\n';

src/diagrams/sequence/sequenceRenderer.js

@@ -168,7 +168,7 @@ export const bounds = {
 
 const _drawLongText = (text, x, y, g, width) => {
   let textHeight = 0;
-  const lines = text.split(/<br\/?>/gi);
+  const lines = text.split(/<br ?\/?>/gi);
   for (const line of lines) {
     const textObj = svgDraw.getTextObj();
     textObj.x = x;
@@ -233,7 +233,7 @@ const drawMessage = function(elem, startx, stopx, verticalPos, msg, sequenceInde
   let textElem;
   let counterBreaklines = 0;
   let breaklineOffset = 17;
-  const breaklines = msg.message.split(/<br\/?>/gi);
+  const breaklines = msg.message.split(/<br ?\/?>/gi);
   for (const breakline of breaklines) {
     textElem = g
       .append('text') // text label for the x axis

src/diagrams/sequence/svgDraw.js

@@ -18,7 +18,7 @@ export const drawRect = function(elem, rectData) {
 
 export const drawText = function(elem, textData) {
   // Remove and ignore br:s
-  const nText = textData.text.replace(/<br\/?>/gi, ' ');
+  const nText = textData.text.replace(/<br ?\/?>/gi, ' ');
 
   const textElem = elem.append('text');
   textElem.attr('x', textData.x);
@@ -321,7 +321,7 @@ const _drawTextCandidateFunc = (function() {
   function byTspan(content, g, x, y, width, height, textAttrs, conf) {
     const { actorFontSize, actorFontFamily } = conf;
 
-    const lines = content.split(/<br\/?>/gi);
+    const lines = content.split(/<br ?\/?>/gi);
     for (let i = 0; i < lines.length; i++) {
       const dy = i * actorFontSize - (actorFontSize * (lines.length - 1)) / 2;
       const text = g

src/logger.js

@@ -23,23 +23,34 @@ export const setLogLevel = function(level) {
   logger.error = () => {};
   logger.fatal = () => {};
   if (level <= LEVELS.fatal) {
-    logger.fatal = console.log.bind(console, '\x1b[35m', format('FATAL'));
+    logger.fatal = console.error
+      ? console.error.bind(console, format('FATAL'), 'color: orange')
+      : console.log.bind(console, '\x1b[35m', format('FATAL'));
   }
   if (level <= LEVELS.error) {
-    logger.error = console.log.bind(console, '\x1b[31m', format('ERROR'));
+    logger.error = console.error
+      ? console.error.bind(console, format('ERROR'), 'color: orange')
+      : console.log.bind(console, '\x1b[31m', format('ERROR'));
   }
   if (level <= LEVELS.warn) {
-    logger.warn = console.log.bind(console, `\x1b[33m`, format('WARN'));
+    logger.warn = console.warn
+      ? console.warn.bind(console, format('WARN'), 'color: orange')
+      : console.log.bind(console, `\x1b[33m`, format('WARN'));
   }
   if (level <= LEVELS.info) {
-    logger.info = console.log.bind(console, '\x1b[34m', format('INFO'));
+    logger.info = console.info
+      ? // ? console.info.bind(console, '\x1b[34m', format('INFO'), 'color: blue')
+        console.info.bind(console, format('INFO'), 'color: lightblue')
+      : console.log.bind(console, '\x1b[34m', format('INFO'));
   }
   if (level <= LEVELS.debug) {
-    logger.debug = console.log.bind(console, '\x1b[32m', format('DEBUG'));
+    logger.debug = console.debug
+      ? console.debug.bind(console, format('DEBUG'), 'color: lightgreen')
+      : console.log.bind(console, '\x1b[32m', format('DEBUG'));
   }
 };
 
 const format = level => {
-  const time = moment().format('HH:mm:ss.SSS');
+  const time = moment().format('ss.SSS');
-  return `${time} : ${level} : `;
+  return `%c${time} : ${level} : `;
 };

src/mermaid.js

@@ -116,7 +116,6 @@ const init = function() {
 };
 
 const initialize = function(config) {
-  logger.debug('Initializing mermaid ');
   if (typeof config.mermaid !== 'undefined') {
     if (typeof config.mermaid.startOnLoad !== 'undefined') {
       mermaid.startOnLoad = config.mermaid.startOnLoad;
@@ -126,6 +125,7 @@ const initialize = function(config) {
     }
   }
   mermaidAPI.initialize(config);
+  logger.debug('Initializing mermaid ');
 };
 
 /**

src/themes/gantt.scss

@@ -54,7 +54,7 @@
 
 .grid .tick {
   stroke: $gridColor;
-  opacity: 0.3;
+  opacity: 0.8;
   shape-rendering: crispEdges;
   text {
     font-family: 'trebuchet ms', verdana, arial;