moved normalizeReference to utils, closes #42

lib/common/utils.js

@@ -278,6 +278,15 @@ function isMdAsciiPunct(ch) {
   }
 }
 
+// Hepler to unify [reference labels].
+//
+function normalizeReference(str) {
+  // use .toUpperCase() instead of .toLowerCase()
+  // here to avoid a conflict with Object.prototype
+  // members (most notably, `__proto__`)
+  return str.trim().replace(/\s+/g, ' ').toUpperCase();
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 
 exports.assign              = assign;
@@ -294,6 +303,7 @@ exports.isWhiteSpace      = isWhiteSpace;
 exports.isMdAsciiPunct      = isMdAsciiPunct;
 exports.isPunctChar         = isPunctChar;
 exports.escapeRE            = escapeRE;
+exports.normalizeReference  = normalizeReference;
 
 // for testing only
 exports.fixBrokenSurrogates = fixBrokenSurrogates;

lib/helpers/normalize_reference.js

@@ -1,11 +0,0 @@
-'use strict';
-
-
-// Hepler to [reference labels]. No better place for this code :)
-// It's only for refs/links and should not be exported anywhere.
-module.exports = function normalizeReference(str) {
-  // use .toUpperCase() instead of .toLowerCase()
-  // here to avoid a conflict with Object.prototype
-  // members (most notably, `__proto__`)
-  return str.trim().replace(/\s+/g, ' ').toUpperCase();
-};

lib/rules_block/reference.js

@@ -3,7 +3,7 @@
 
 var parseLinkDestination = require('../helpers/parse_link_destination');
 var parseLinkTitle       = require('../helpers/parse_link_title');
-var normalizeReference   = require('../helpers/normalize_reference');
+var normalizeReference   = require('../common/utils').normalizeReference;
 
 
 module.exports = function reference(state, startLine, _endLine, silent) {

lib/rules_inline/image.js

@@ -5,7 +5,7 @@
 var parseLinkLabel       = require('../helpers/parse_link_label');
 var parseLinkDestination = require('../helpers/parse_link_destination');
 var parseLinkTitle       = require('../helpers/parse_link_title');
-var normalizeReference   = require('../helpers/normalize_reference');
+var normalizeReference   = require('../common/utils').normalizeReference;
 
 
 module.exports = function image(state, silent) {

lib/rules_inline/link.js

@@ -5,7 +5,7 @@
 var parseLinkLabel       = require('../helpers/parse_link_label');
 var parseLinkDestination = require('../helpers/parse_link_destination');
 var parseLinkTitle       = require('../helpers/parse_link_title');
-var normalizeReference   = require('../helpers/normalize_reference');
+var normalizeReference   = require('../common/utils').normalizeReference;
 
 
 module.exports = function link(state, silent) {