Added support for quadrant chart

cypress/integration/rendering/quadrantChart.spec.js

@@ -0,0 +1,163 @@
+import { imgSnapshotTest, renderGraph } from '../../helpers/util.js';
+
+describe('Quadrant Chart', () => {
+  it('should render if only chart type is provided', () => {
+    imgSnapshotTest(
+      `
+  quadrantChart
+      `,
+      {}
+    );
+    cy.get('svg');
+  });
+  it('should render a complete quadrant chart', () => {
+    imgSnapshotTest(
+      `
+  quadrantChart
+    title Reach and engagement of campaigns
+    x-axis Low Reach --> High Reach
+    y-axis Low Engagement --> High Engagement
+    quadrant-1 We should expand
+    quadrant-2 Need to promote
+    quadrant-3 Re-evaluate
+    quadrant-4 May be improved
+    Campaign A: [0.3, 0.6]
+    Campaign B: [0.45, 0.23]
+    Campaign C: [0.57, 0.69]
+    Campaign D: [0.78, 0.34]
+    Campaign E: [0.40, 0.34]
+    Campaign F: [0.35, 0.78]
+      `,
+      {}
+    );
+    cy.get('svg');
+  });
+  it('should render without points', () => {
+    imgSnapshotTest(
+      `
+  quadrantChart
+    title Reach and engagement of campaigns
+    x-axis Low Reach --> High Reach
+    y-axis Low Engagement --> High Engagement
+    quadrant-1 We should expand
+    quadrant-2 Need to promote
+    quadrant-3 Re-evaluate
+    quadrant-4 May be improved
+      `,
+      {}
+    );
+    cy.get('svg');
+  });
+  it('should able to render y-axix on right side', () => {
+    imgSnapshotTest(
+      `
+  %%{init: {"quadrantChart": {"yAxisPosition": "right"}}}%%
+  quadrantChart
+    title Reach and engagement of campaigns
+    x-axis Low Reach --> High Reach
+    y-axis Low Engagement --> High Engagement
+    quadrant-1 We should expand
+    quadrant-2 Need to promote
+    quadrant-3 Re-evaluate
+    quadrant-4 May be improved
+      `,
+      {}
+    );
+    cy.get('svg');
+  });
+  it('should able to render x-axix on bottom', () => {
+    imgSnapshotTest(
+      `
+  %%{init: {"quadrantChart": {"xAxisPosition": "bottom"}}}%%
+  quadrantChart
+    title Reach and engagement of campaigns
+    x-axis Low Reach --> High Reach
+    y-axis Low Engagement --> High Engagement
+    quadrant-1 We should expand
+    quadrant-2 Need to promote
+    quadrant-3 Re-evaluate
+    quadrant-4 May be improved
+      `,
+      {}
+    );
+    cy.get('svg');
+  });
+  it('should able to render x-axix on bottom and y-axis on right', () => {
+    imgSnapshotTest(
+      `
+  %%{init: {"quadrantChart": {"xAxisPosition": "bottom", "yAxisPosition": "right"}}}%%
+  quadrantChart
+    title Reach and engagement of campaigns
+    x-axis Low Reach --> High Reach
+    y-axis Low Engagement --> High Engagement
+    quadrant-1 We should expand
+    quadrant-2 Need to promote
+    quadrant-3 Re-evaluate
+    quadrant-4 May be improved
+      `,
+      {}
+    );
+    cy.get('svg');
+  });
+  it('should render without title', () => {
+    imgSnapshotTest(
+      `
+  quadrantChart
+    x-axis Low Reach --> High Reach
+    y-axis Low Engagement --> High Engagement
+    quadrant-1 We should expand
+    quadrant-2 Need to promote
+    quadrant-3 Re-evaluate
+    quadrant-4 May be improved
+      `,
+      {}
+    );
+    cy.get('svg');
+  });
+  it('should use all the config', () => {
+    imgSnapshotTest(
+      `
+  %%{init: {"quadrantChart": {"chartWidth": 600, "chartHeight": 600, "titlePadding": 20, "titleFontSize": 10, "quadrantPadding": 20, "quadrantTextTopPadding": 40, "quadrantLabelFontSize": 20, "quadrantInternalBorderStrokeWidth": 3, "quadrantExternalBorderStrokeWidth": 5, "xAxisLabelPadding": 20, "xAxisLabelFontSize": 20, "yAxisLabelPadding": 20, "yAxisLabelFontSize": 20, "pointTextPadding": 20, "pointLabelFontSize": 20, "pointRadius": 10 }}}%%
+  quadrantChart
+    title Reach and engagement of campaigns
+    x-axis Low Reach --> High Reach
+    y-axis Low Engagement --> High Engagement
+    quadrant-1 We should expand
+    quadrant-2 Need to promote
+    quadrant-3 Re-evaluate
+    quadrant-4 May be improved
+    Campaign A: [0.3, 0.6]
+    Campaign B: [0.45, 0.23]
+    Campaign C: [0.57, 0.69]
+    Campaign D: [0.78, 0.34]
+    Campaign E: [0.40, 0.34]
+    Campaign F: [0.35, 0.78]
+      `,
+      {}
+    );
+    cy.get('svg');
+  });
+  it('should use all the theme variable', () => {
+    imgSnapshotTest(
+      `
+  %%{init: {"themeVariables": {"quadrant1Fill": "#b4dcff","quadrant2Fill": "#fef0ff", "quadrant3Fill": "#fffaf0", "quadrant4Fill": "#f0fff2", "quadrant1TextFill": "#ff0000", "quadrant2TextFill": "#2d00df", "quadrant3TextFill": "#00ffda", "quadrant4TextFill": "#e68300", "quadrantPointFill": "#0149ff", "quadrantPointTextFill": "#dc00ff", "quadrantXAxisTextFill": "#ffb500", "quadrantYAxisTextFill": "#fae604", "quadrantInternalBorderStrokeFill": "#3636f2", "quadrantExternalBorderStrokeFill": "#ff1010", "quadrantTitleFill": "#00ea19"} }}%%
+  quadrantChart
+    title Reach and engagement of campaigns
+    x-axis Low Reach --> High Reach
+    y-axis Low Engagement --> High Engagement
+    quadrant-1 We should expand
+    quadrant-2 Need to promote
+    quadrant-3 Re-evaluate
+    quadrant-4 May be improved
+    Campaign A: [0.3, 0.6]
+    Campaign B: [0.45, 0.23]
+    Campaign C: [0.57, 0.69]
+    Campaign D: [0.78, 0.34]
+    Campaign E: [0.40, 0.34]
+    Campaign F: [0.35, 0.78]
+      `,
+      {}
+    );
+    cy.get('svg');
+  });
+});

demos/index.html

@@ -54,6 +54,9 @@ <h2><a href="./mindmap.html">Mindmap</a></h2>
       <li>
         <h2><a href="./pie.html">Pie</a></h2>
       </li>
+      <li>
+        <h2><a href="./quadrantchart.html">Quadrant charts</a></h2>
+      </li>
       <li>
         <h2><a href="./requirements.html">Requirements</a></h2>
       </li>

demos/quadrantchart.html

@@ -0,0 +1,55 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
+    <title>Mermaid Quick Test Page</title>
+    <link rel="icon" type="image/png" href="data:image/png;base64,iVBORw0KGgo=" />
+    <style>
+      div.mermaid {
+        /* font-family: 'trebuchet ms', verdana, arial; */
+        font-family: 'Courier New', Courier, monospace !important;
+      }
+    </style>
+  </head>
+
+  <body>
+    <h1>Quadrant chart demos</h1>
+    <pre class="mermaid">
+    %%{init: {"quadrantChart": {"quadrantPadding": 10}, "theme": "forest", "themeVariables": {"quadrant1TextFill": "blue"}} }%%
+    quadrantChart
+      x-axis Urgent --> Not Urgent
+      y-axis Not Important --> important
+      quadrant-1 Plan
+      quadrant-2 Do
+      quadrant-3 Deligate
+      quadrant-4 Delete
+    </pre>
+
+    <pre class="mermaid">
+    %%{init: {"quadrantChart": {"chartWidth": 600, "chartHeight": 600} } }%%
+    quadrantChart
+      title Analytics and Business Intelligence Platforms
+      x-axis "Completeness of Vision ❤" -->
+      y-axis Ability to Execute
+      quadrant-1 Leaders
+      quadrant-2 Challengers
+      quadrant-3 Niche
+      quadrant-4 Visionaries
+      Microsoft: [0.75, 0.75]
+      Salesforce: [0.55, 0.60]
+      IBM: [0.51, 0.40]
+      Incorta: [0.20, 0.30]
+    </pre>
+    <hr />
+
+    <script type="module">
+      import mermaid from './mermaid.esm.mjs';
+      mermaid.initialize({
+        theme: 'default',
+        logLevel: 3,
+        securityLevel: 'loose',
+      });
+    </script>
+  </body>
+</html>

docs/config/setup/modules/defaultConfig.md

@@ -14,7 +14,7 @@
 
 #### Defined in
 
-[defaultConfig.ts:2115](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/defaultConfig.ts#L2115)
+[defaultConfig.ts:2293](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/defaultConfig.ts#L2293)
 
 ---
 

docs/intro/index.md

@@ -235,6 +235,42 @@ journey
       Sit down: 5: Me
 ```
 
+### [Quadrant Chart](../syntax/quadrantChart.md)
+
+```mermaid-example
+quadrantChart
+    title Reach and engagement of campaigns
+    x-axis Low Reach --> High Reach
+    y-axis Low Engagement --> High Engagement
+    quadrant-1 We should expand
+    quadrant-2 Need to promote
+    quadrant-3 Re-evaluate
+    quadrant-4 May be improved
+    Campaign A: [0.3, 0.6]
+    Campaign B: [0.45, 0.23]
+    Campaign C: [0.57, 0.69]
+    Campaign D: [0.78, 0.34]
+    Campaign E: [0.40, 0.34]
+    Campaign F: [0.35, 0.78]
+```
+
+```mermaid
+quadrantChart
+    title Reach and engagement of campaigns
+    x-axis Low Reach --> High Reach
+    y-axis Low Engagement --> High Engagement
+    quadrant-1 We should expand
+    quadrant-2 Need to promote
+    quadrant-3 Re-evaluate
+    quadrant-4 May be improved
+    Campaign A: [0.3, 0.6]
+    Campaign B: [0.45, 0.23]
+    Campaign C: [0.57, 0.69]
+    Campaign D: [0.78, 0.34]
+    Campaign E: [0.40, 0.34]
+    Campaign F: [0.35, 0.78]
+```
+
 ## Installation
 
 **In depth guides and examples can be found at [Getting Started](./n00b-gettingStarted.md) and [Usage](../config/usage.md).**