added support for toggling smart quotes in preview

browser/components/MarkdownEditor.js

@@ -279,6 +279,7 @@ class MarkdownEditor extends React.Component {
           lineNumber={config.preview.lineNumber}
           indentSize={editorIndentSize}
           scrollPastEnd={config.preview.scrollPastEnd}
+          smartQuotes={config.preview.smartQuotes}
           ref='preview'
           onContextMenu={(e) => this.handleContextMenu(e)}
           onDoubleClick={(e) => this.handleDoubleClick(e)}

browser/components/MarkdownPreview.js

@@ -1,6 +1,6 @@
 import PropTypes from 'prop-types'
 import React from 'react'
-import markdown from 'browser/lib/markdown'
+import Markdown from 'browser/lib/markdown'
 import _ from 'lodash'
 import CodeMirror from 'codemirror'
 import 'codemirror-mode-elixir'
@@ -130,6 +130,13 @@ export default class MarkdownPreview extends React.Component {
     this.printHandler = () => this.handlePrint()
 
     this.linkClickHandler = this.handlelinkClick.bind(this)
+    this.initMarkdown = this.initMarkdown.bind(this)
+    this.initMarkdown()
+  }
+
+  initMarkdown () {
+    const { smartQuotes } = this.props
+    this.markdown = new Markdown({ typographer: smartQuotes })
   }
 
   handlePreviewAnchorClick (e) {
@@ -198,7 +205,7 @@ export default class MarkdownPreview extends React.Component {
       const {fontFamily, fontSize, codeBlockFontFamily, lineNumber, codeBlockTheme} = this.getStyleParams()
 
       const inlineStyles = buildStyle(fontFamily, fontSize, codeBlockFontFamily, lineNumber, codeBlockTheme, lineNumber)
-      const body = markdown.render(noteContent)
+      const body = this.markdown.render(noteContent)
       const files = [this.GetCodeThemeLink(codeBlockTheme), ...CSS_FILES]
 
       files.forEach((file) => {
@@ -309,6 +316,10 @@ export default class MarkdownPreview extends React.Component {
 
   componentDidUpdate (prevProps) {
     if (prevProps.value !== this.props.value) this.rewriteIframe()
+    if (prevProps.smartQuotes !== this.props.smartQuotes) {
+      this.initMarkdown()
+      this.rewriteIframe()
+    }
     if (prevProps.fontFamily !== this.props.fontFamily ||
       prevProps.fontSize !== this.props.fontSize ||
       prevProps.codeBlockFontFamily !== this.props.codeBlockFontFamily ||
@@ -374,7 +385,7 @@ export default class MarkdownPreview extends React.Component {
         value = value.replace(codeBlock, htmlTextHelper.encodeEntities(codeBlock))
       })
     }
-    this.refs.root.contentWindow.document.body.innerHTML = markdown.render(value)
+    this.refs.root.contentWindow.document.body.innerHTML = this.markdown.render(value)
 
     _.forEach(this.refs.root.contentWindow.document.querySelectorAll('a'), (el) => {
       this.fixDecodedURI(el)
@@ -390,9 +401,9 @@ export default class MarkdownPreview extends React.Component {
     })
 
     _.forEach(this.refs.root.contentWindow.document.querySelectorAll('img'), (el) => {
-      el.src = markdown.normalizeLinkText(el.src)
+      el.src = this.markdown.normalizeLinkText(el.src)
       if (!/\/:storage/.test(el.src)) return
-      el.src = `file:///${markdown.normalizeLinkText(path.join(storagePath, 'images', path.basename(el.src)))}`
+      el.src = `file:///${this.markdown.normalizeLinkText(path.join(storagePath, 'images', path.basename(el.src)))}`
     })
 
     codeBlockTheme = consts.THEMES.some((_theme) => _theme === codeBlockTheme)
@@ -533,5 +544,6 @@ MarkdownPreview.propTypes = {
   className: PropTypes.string,
   value: PropTypes.string,
   showCopyNotification: PropTypes.bool,
-  storagePath: PropTypes.string
+  storagePath: PropTypes.string,
+  smartQuotes: PropTypes.bool
 }

browser/components/MarkdownSplitEditor.js

@@ -127,6 +127,7 @@ class MarkdownSplitEditor extends React.Component {
           codeBlockFontFamily={config.editor.fontFamily}
           lineNumber={config.preview.lineNumber}
           scrollPastEnd={config.preview.scrollPastEnd}
+          smartQuotes={config.preview.smartQuotes}
           ref='preview'
           tabInde='0'
           value={value}