From 7043881ae2a712487c0557926d75384a9d35b6ac Mon Sep 17 00:00:00 2001
From: olOwOlo <26087907+olOwOlo@users.noreply.github.com>
Date: Mon, 12 Mar 2018 21:30:47 +0800
Subject: feat: generate flowchart diagrams from code blocks (#35)

---
 src/js/even.js | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

(limited to 'src/js/even.js')

diff --git a/src/js/even.js b/src/js/even.js
index 0d5813a..ca83a93 100644
--- a/src/js/even.js
+++ b/src/js/even.js
@@ -205,4 +205,23 @@ Even._linkToc = function () {
   }
 }
 
+Even.flowchart = function () {
+  if (!window.flowchart) return
+
+  const blocks = document.querySelectorAll('pre code.language-flowchart')
+  for (let i = 0; i < blocks.length; i++) {
+    const block = blocks[i]
+    const rootElement = block.parentElement
+
+    const container = document.createElement('div')
+    const id = `js-flowchart-diagrams-${i}`
+    container.id = id
+    container.className = 'align-center'
+    rootElement.parentElement.replaceChild(container, rootElement)
+
+    const diagram = flowchart.parse(block.childNodes[0].nodeValue)
+    diagram.drawSVG(id, window.flowchartDiagramsOptions ? window.flowchartDiagramsOptions : {})
+  }
+}
+
 export {Even}
-- 
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