From b9b991c5feb62b018155cdf8f8190e7e7b0a5ea5 Mon Sep 17 00:00:00 2001
From: Tyler Long <tyler4long@gmail.com>
Date: Sun, 16 Apr 2017 17:52:09 +0800
Subject: [PATCH] Refactor code in lib/ folder

---
 lib/cli.js           |  3 ---
 lib/index.js         |  2 --
 lib/phantomscript.js | 60 --------------------------------------------
 3 files changed, 65 deletions(-)

diff --git a/lib/cli.js b/lib/cli.js
index 1c17f13b4..8ec940397 100644
--- a/lib/cli.js
+++ b/lib/cli.js
@@ -9,7 +9,6 @@ var path = require('path')
 var PHANTOM_VERSION = '^2.1.0'
 
 var info = chalk.blue.bold
-// var note = chalk.green.bold
 
 module.exports = (function () {
   return new Cli()
@@ -63,7 +62,6 @@ function Cli (options) {
 Cli.prototype.parse = function (argv, next) {
   this.errors = [] // clear errors
   var options = parseArgs(argv, this.options)
-  // var phantom
 
   if (options.version) {
     var pkg = require('../package.json')
@@ -148,7 +146,6 @@ Cli.prototype.parse = function (argv, next) {
 
 function createCheckPhantom (_phantomPath) {
   var phantomPath = _phantomPath
-  // var phantomVersion
 
   return function checkPhantom (_next) {
     var next = _next || function () { }
diff --git a/lib/index.js b/lib/index.js
index d5ff5acd4..329ca507f 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -1,5 +1,3 @@
-// var os = require('os')
-// var fs = require('fs')
 var path = require('path')
 var spawn = require('child_process').spawn
 
diff --git a/lib/phantomscript.js b/lib/phantomscript.js
index 187423337..694167ed3 100644
--- a/lib/phantomscript.js
+++ b/lib/phantomscript.js
@@ -74,7 +74,6 @@ files.forEach(function (file) {
   var oParser = new window.DOMParser()
   var oDOM
   var svgContent
-  var allElements
 
   console.log('ready to execute png: ' + filename + '.png ')
 
@@ -93,13 +92,6 @@ files.forEach(function (file) {
   resolveSVGElement(oDOM.firstChild)
   setSVGStyle(oDOM.firstChild, options.css)
 
-  // traverse the SVG, and replace all foreignObject elements
-  // can be removed when https://github.com/knsv/mermaid/issues/58 is resolved
-  allElements = traverse(oDOM)
-  for (var i = 0, len = allElements.length; i < len; i++) {
-    resolveForeignObjects(allElements[i])
-  }
-
   var outputPath = options.outputDir + fs.separator + filename + options.outputSuffix
   if (options.png) {
     page.viewportSize = {
@@ -139,37 +131,12 @@ function logger (_verbose) {
   }
 }
 
-function traverse (obj) {
-  var tree = []
-
-  tree.push(obj)
-  visit(obj)
-
-  function visit (node) {
-    if (node && node.hasChildNodes()) {
-      var child = node.firstChild
-      while (child) {
-        if (child.nodeType === 1 && child.nodeName !== 'SCRIPT') {
-          tree.push(child)
-          visit(child)
-        }
-        child = child.nextSibling
-      }
-    }
-  }
-
-  return tree
-}
-
 function resolveSVGElement (element) {
   var prefix = {
     xmlns: 'http://www.w3.org/2000/xmlns/',
     xlink: 'http://www.w3.org/1999/xlink',
     svg: 'http://www.w3.org/2000/svg'
   }
-  // var doctype = '<!DOCTYPE svg:svg PUBLIC' +
-  //   ' "-//W3C//DTD XHTML 1.1 plus MathML 2.0 plus SVG 1.1//EN"' +
-  //   ' "http://www.w3.org/2002/04/xhtml-math-svg/xhtml-math-svg.dtd">'
 
   element.setAttribute('version', '1.1')
   // removing attributes so they aren't doubled up
@@ -191,38 +158,12 @@ function setSVGStyle (svg, css) {
   styles[0].textContent = css
 }
 
-function resolveForeignObjects (element) {
-  // return
-  // var children
-  // var textElement
-  // var textSpan
-
-  // if (element.tagName === 'foreignObject') {
-  //   textElement = document.createElement('text')
-  //   textSpan = document.createElement('tspan')
-  //   textSpan.setAttribute(
-  //     'style'
-  //     , 'font-size: 11.5pt; font-family: "sans-serif";'
-  //   )
-  //   textSpan.setAttribute('x', 0)
-  //   textSpan.setAttribute('y', 14.5)
-  //   textSpan.textContent = element.textContent
-
-  //   textElement.appendChild(textSpan)
-  //   element.parentElement.appendChild(textElement)
-  //   element.parentElement.removeChild(element)
-  // }
-}
-
 // The sandboxed function that's executed in-page by phantom
 function executeInPage (data) {
   var xmlSerializer = new window.XMLSerializer()
   var contents = data.contents
   var sequenceConfig = JSON.stringify(data.sequenceConfig)
   var ganttConfig = JSON.stringify(data.ganttConfig).replace(/"(function.*})"/, '$1')
-  // var toRemove
-  // var el
-  // var elContent
   var svg
   var svgValue
   var boundingBox
@@ -286,6 +227,5 @@ function executeInPage (data) {
   )
 
   svgValue = xmlSerializer.serializeToString(svg) + '\n'
-  // console.log('confWidth: '+document.head.outerHTML);
   return svgValue
 }