From 5e7484a12d95a060cc8e6bf4accc1d5c8cdf8327 Mon Sep 17 00:00:00 2001
From: Knut Sveidqvist <knsv@users.noreply.github.com>
Date: Sun, 12 Jan 2020 01:04:15 -0800
Subject: [PATCH 1/5] Update mermaidAPI.md

---
 docs/mermaidAPI.md | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/docs/mermaidAPI.md b/docs/mermaidAPI.md
index ce11e5c58..e962ffc70 100644
--- a/docs/mermaidAPI.md
+++ b/docs/mermaidAPI.md
@@ -105,6 +105,18 @@ Flag for setting whether or not a html tag should be used for rendering labels
 on the edges.
 **Default value true**.
 
+### nodeSpacing
+
+Defines the spacing between nodes on the same level (meaning horizontal spacing for
+TB or BT graphs, and the vertical spacing for LR as well as RL graphs).
+**Default value 50**.
+
+### rankSpacing
+
+Defines the spacing between nodes on different levels (meaning vertical spacing for
+TB or BT graphs, and the horizontal spacing for LR as well as RL graphs).
+**Default value 50**.
+
 ### curve
 
 How mermaid renders curves for flowcharts. Possible values are

From 4805394e612c836bf27710794ce6f9aa86b7ac60 Mon Sep 17 00:00:00 2001
From: Knut Sveidqvist <knut.sveidqvist@ipiccolo.com>
Date: Wed, 22 Jan 2020 19:22:37 +0100
Subject: [PATCH 2/5] New version in the docs

---
 docs/index.html | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/index.html b/docs/index.html
index 356f323c7..2b4883d5b 100644
--- a/docs/index.html
+++ b/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@8.4.5/dist/mermaid.min.js"></script>
+  <script src="//cdn.jsdelivr.net/npm/mermaid@8.4.6/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),

From d2d4a24229b47608696d33900dd2c0372f89e886 Mon Sep 17 00:00:00 2001
From: Marc Faber <faber@genodata.de>
Date: Fri, 24 Jan 2020 01:24:47 +0100
Subject: [PATCH 3/5] #487 Set text color for flowchart nodes according to
 style definitions

---
 .../integration/rendering/flowchart.spec.js   | 32 +++++++++++++++++++
 dist/index.html                               | 11 +++++++
 docs/flowchart.md                             |  4 +--
 src/diagrams/flowchart/flowRenderer.js        |  1 +
 4 files changed, 46 insertions(+), 2 deletions(-)

diff --git a/cypress/integration/rendering/flowchart.spec.js b/cypress/integration/rendering/flowchart.spec.js
index 4ea4cbcee..06c84ac2e 100644
--- a/cypress/integration/rendering/flowchart.spec.js
+++ b/cypress/integration/rendering/flowchart.spec.js
@@ -524,4 +524,36 @@ describe('Flowchart', () => {
       { flowchart: { htmlLabels: false } }
     );
   });
+
+  it('25: Set node text color according to style when html labels are enabled', () => {
+    imgSnapshotTest(
+      `graph LR
+      A[red<br>text] --> B(blue<br>text)
+      C[/red<br/>text/] --> D{blue<br/>text}
+      style A color:red;
+      style B color:blue;
+      style C stroke:#ff0000,fill:#ffcccc,color:#ff0000
+      style D stroke:#0000ff,fill:#ccccff,color:#0000ff
+      click B "index.html#link-clicked" "link test"
+      click D testClick "click test"
+      `,
+      { flowchart: { htmlLabels: true } }
+    );
+  });
+
+  it('26: Set node text color according to style when html labels are disabled', () => {
+    imgSnapshotTest(
+      `graph LR
+      A[red<br>text] --> B(blue<br>text)
+      C[/red<br/>text/] --> D{blue<br/>text}
+      style A color:red;
+      style B color:blue;
+      style C stroke:#ff0000,fill:#ffcccc,color:#ff0000
+      style D stroke:#0000ff,fill:#ccccff,color:#0000ff
+      click B "index.html#link-clicked" "link test"
+      click D testClick "click test"
+      `,
+      { flowchart: { htmlLabels: false } }
+    );
+  });
 });
diff --git a/dist/index.html b/dist/index.html
index 2505d8010..9df88224e 100644
--- a/dist/index.html
+++ b/dist/index.html
@@ -353,6 +353,17 @@ graph TB
     linkStyle 1 stroke:greenyellow,stroke-width:2px
     style C fill:greenyellow,stroke:green,stroke-width:4px
   </div>
+  <div class="mermaid">
+    graph LR
+    A[red<br>text] --> B(blue<br>text)
+    C[/red<br/>text/] --> D{blue<br/>text}
+    style A color:red;
+    style B color:blue;
+    style C stroke:#ff0000,fill:#ffcccc,color:#ff0000
+    style D stroke:#0000ff,fill:#ccccff,color:#0000ff
+    click B "index.html#link-clicked" "link test"
+    click D testClick "click test"
+  </div>
 
   <hr/>
 
diff --git a/docs/flowchart.md b/docs/flowchart.md
index ff0e6cbdc..b6bdabc2f 100644
--- a/docs/flowchart.md
+++ b/docs/flowchart.md
@@ -509,13 +509,13 @@ It is possible to apply specific styles such as a thicker border or a different
 graph LR
     id1(Start)-->id2(Stop)
     style id1 fill:#f9f,stroke:#333,stroke-width:4px
-    style id2 fill:#ccf,stroke:#f66,stroke-width:2px,stroke-dasharray: 5, 5
+    style id2 fill:#bbf,stroke:#f66,stroke-width:2px,color:#fff,stroke-dasharray: 5, 5
 ```
 ```mermaid
 graph LR
     id1(Start)-->id2(Stop)
     style id1 fill:#f9f,stroke:#333,stroke-width:4px
-    style id2 fill:#ccf,stroke:#f66,stroke-width:2px,stroke-dasharray: 5, 5
+    style id2 fill:#bbf,stroke:#f66,stroke-width:2px,color:#fff,stroke-dasharray: 5, 5
 ```
 
 
diff --git a/src/diagrams/flowchart/flowRenderer.js b/src/diagrams/flowchart/flowRenderer.js
index 931608b45..decb382f8 100644
--- a/src/diagrams/flowchart/flowRenderer.js
+++ b/src/diagrams/flowchart/flowRenderer.js
@@ -87,6 +87,7 @@ export const addVertices = function(vert, g, svgId) {
       vertexNode.parentNode.removeChild(vertexNode);
     } else {
       const svgLabel = document.createElementNS('http://www.w3.org/2000/svg', 'text');
+      svgLabel.setAttribute('style', labelStyle.replace('color:', 'fill:'));
 
       const rows = vertexText.split(/<br\s*\/?>/gi);
 

From 4dd72e6793bfcf07e1f48ed0115cba2e9c625418 Mon Sep 17 00:00:00 2001
From: Marc Faber <faber@genodata.de>
Date: Fri, 24 Jan 2020 01:42:46 +0100
Subject: [PATCH 4/5] Trigger tests again


From 4ad354a561a941d968ebf8b91edf0309c0fe0d03 Mon Sep 17 00:00:00 2001
From: Knut Sveidqvist <knut.sveidqvist@ipiccolo.com>
Date: Sat, 25 Jan 2020 13:35:11 +0100
Subject: [PATCH 5/5] #1216 Fix for issue when mermaid freezes the browser tab
 due to large diagrams

---
 cypress/platform/huge.html                    | 39 +++++++++++++++++++
 .../flowchart/parser/flow-huge.spec.js        | 29 ++++++++++++++
 src/mermaidAPI.js                             | 10 ++++-
 3 files changed, 77 insertions(+), 1 deletion(-)
 create mode 100644 cypress/platform/huge.html
 create mode 100644 src/diagrams/flowchart/parser/flow-huge.spec.js

diff --git a/cypress/platform/huge.html b/cypress/platform/huge.html
new file mode 100644
index 000000000..687c3df23
--- /dev/null
+++ b/cypress/platform/huge.html
@@ -0,0 +1,39 @@
+<html>
+  <head>
+    <link
+      href="https://fonts.googleapis.com/css?family=Montserrat&display=swap"
+      rel="stylesheet"
+    />
+    <style>
+      body {background: white}
+      h1 { color: white;}
+      .arrowheadPath {fill: red;}
+
+      .edgePath .path {stroke: red;}
+
+
+    </style>
+  </head>
+  <body>
+    <h1>info below</h1>
+    <div style="display: flex;width: 100%; height: 100%">
+      <div class="mermaid" style="width: 100%; height: 100%">
+        graph LR
+        A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;A-->B;B-->A;A-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B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;
+      </div>
+</div>
+  <script src="./mermaid.js"></script>
+    <script>
+      mermaid.initialize({
+        theme: 'dark',
+        // arrowMarkerAbsolute: true,
+        // themeCSS: '.edgePath .path {stroke: red;} .arrowheadPath {fill: red;}',
+        logLevel: 0,
+        flowchart: { curve: 'linear', "htmlLabels": false },
+        // gantt: { axisFormat: '%m/%d/%Y' },
+        sequence: { actorMargin: 50 },
+        // sequenceDiagram: { actorMargin: 300 } // deprecated
+      });
+    </script>
+  </body>
+</html>
diff --git a/src/diagrams/flowchart/parser/flow-huge.spec.js b/src/diagrams/flowchart/parser/flow-huge.spec.js
new file mode 100644
index 000000000..901a615a2
--- /dev/null
+++ b/src/diagrams/flowchart/parser/flow-huge.spec.js
@@ -0,0 +1,29 @@
+import flowDb from '../flowDb';
+import flow from './flow';
+import { setConfig } from '../../../config';
+
+setConfig({
+  securityLevel: 'strict'
+});
+
+describe('[Text] when parsing', () => {
+  beforeEach(function() {
+    flow.parser.yy = flowDb;
+    flow.parser.yy.clear();
+  });
+
+  describe('it should handle huge files', function() {
+    it('it should handlehuge diagrams', function() {
+      const res = flow.parser.parse('graph 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>B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;A-->B;B-->A;');
+
+      const vert = flow.parser.yy.getVertices();
+      const edges = flow.parser.yy.getEdges();
+
+      expect(edges[0].type).toBe('arrow');
+      expect(edges.length).toBe(47917);
+      console.log(vert);
+      expect(Object.keys(vert).length).toBe(2);
+    });
+
+  });
+});
diff --git a/src/mermaidAPI.js b/src/mermaidAPI.js
index 08c090261..273c93b5d 100644
--- a/src/mermaidAPI.js
+++ b/src/mermaidAPI.js
@@ -95,6 +95,8 @@ const config = {
    */
   theme: 'default',
   themeCSS: undefined,
+  /* **maxTextSize** - The maximum allowed size of the users text diamgram */
+  maxTextSize: 50000,
 
   /**
    * **fontFamily** The font to be used for the rendered diagrams. Default value is \"trebuchet ms\", verdana, arial;
@@ -460,7 +462,13 @@ export const decodeEntities = function(text) {
  * provided a hidden div will be inserted in the body of the page instead. The element will be removed when rendering is
  * completed.
  */
-const render = function(id, txt, cb, container) {
+const render = function(id, _txt, cb, container) {
+  // Check the maximum allowed text size
+  let txt = _txt;
+  if (_txt.length > config.maxTextSize) {
+    txt = 'graph TB;a[Maximum text size in diagram exceeded];style a fill:#faa';
+  }
+
   if (typeof container !== 'undefined') {
     container.innerHTML = '';