Moved html escape helper to utils

lib/common/utils.js

@@ -27,6 +27,7 @@ function assign(obj /*from1, from2, from3, ...*/) {
   return obj;
 }
 
+////////////////////////////////////////////////////////////////////////////////
 
 var UNESCAPE_MD_RE = /\\([\\!"#$%&'()*+,.\/:;<=>?@[\]^_`{|}~-])/g;
 
@@ -35,6 +36,8 @@ function unescapeMd(str) {
   return str.replace(UNESCAPE_MD_RE, '$1');
 }
 
+////////////////////////////////////////////////////////////////////////////////
+
 function isValidEntityCode(c) {
   /*eslint no-bitwise:0*/
   // broken sequence
@@ -91,10 +94,34 @@ function replaceEntities(str) {
   return str.replace(NAMED_ENTITY_RE, replaceEntityPattern);
 }
 
+////////////////////////////////////////////////////////////////////////////////
+
+var HTML_ESCAPE_TEST_RE = /[&<>"]/;
+var HTML_ESCAPE_REPLACE_RE = /[&<>"]/g;
+var HTML_REPLACEMENTS = {
+  '&': '&amp;',
+  '<': '&lt;',
+  '>': '&gt;',
+  '"': '&quot;'
+};
+
+function replaceUnsafeChar(ch) {
+  return HTML_REPLACEMENTS[ch];
+}
+
+function escapeHtml(str) {
+  if (HTML_ESCAPE_TEST_RE.test(str)) {
+    return str.replace(HTML_ESCAPE_REPLACE_RE, replaceUnsafeChar);
+  }
+  return str;
+}
+
+////////////////////////////////////////////////////////////////////////////////
 
-exports.assign = assign;
-exports.isString = isString;
-exports.unescapeMd = unescapeMd;
+exports.assign            = assign;
+exports.isString          = isString;
+exports.unescapeMd        = unescapeMd;
 exports.isValidEntityCode = isValidEntityCode;
-exports.fromCodePoint = fromCodePoint;
-exports.replaceEntities = replaceEntities;
+exports.fromCodePoint     = fromCodePoint;
+exports.replaceEntities   = replaceEntities;
+exports.escapeHtml        = escapeHtml;

lib/renderer.js

@@ -4,31 +4,12 @@
 var assign          = require('./common/utils').assign;
 var unescapeMd      = require('./common/utils').unescapeMd;
 var replaceEntities = require('./common/utils').replaceEntities;
+var escapeHtml      = require('./common/utils').escapeHtml;
 
 
 ////////////////////////////////////////////////////////////////////////////////
 // Helpers
 
-var HTML_ESCAPE_TEST_RE = /[&<>"]/;
-var HTML_ESCAPE_REPLACE_RE = /[&<>"]/g;
-var HTML_REPLACEMENTS = {
-  '&': '&amp;',
-  '<': '&lt;',
-  '>': '&gt;',
-  '"': '&quot;'
-};
-
-function replaceUnsafeChar(ch) {
-  return HTML_REPLACEMENTS[ch];
-}
-
-function escapeHtml(str) {
-  if (HTML_ESCAPE_TEST_RE.test(str)) {
-    return str.replace(HTML_ESCAPE_REPLACE_RE, replaceUnsafeChar);
-  }
-  return str;
-}
-
 function nextToken(tokens, idx) {
   if (++idx >= tokens.length - 2) { return idx; }
   if ((tokens[idx].type === 'paragraph_open' && tokens[idx].tight) &&