From e77666c4a0cd486fa28ad094d80bb97ec73e87ee Mon Sep 17 00:00:00 2001
From: Vitaly Puzrin <vitaly@rcdesign.ru>
Date: Tue, 10 Feb 2015 19:54:46 +0300
Subject: [PATCH] moved normalizeReference to utils, closes #42

---
 lib/common/utils.js                | 38 +++++++++++++++++++-----------
 lib/helpers/normalize_reference.js | 11 ---------
 lib/rules_block/reference.js       |  2 +-
 lib/rules_inline/image.js          |  2 +-
 lib/rules_inline/link.js           |  2 +-
 5 files changed, 27 insertions(+), 28 deletions(-)
 delete mode 100644 lib/helpers/normalize_reference.js

diff --git a/lib/common/utils.js b/lib/common/utils.js
index 2a69999..da99b71 100644
--- a/lib/common/utils.js
+++ b/lib/common/utils.js
@@ -278,22 +278,32 @@ 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;
-exports.isString          = isString;
-exports.has               = has;
-exports.unescapeMd        = unescapeMd;
-exports.isValidEntityCode = isValidEntityCode;
-exports.fromCodePoint     = fromCodePoint;
-exports.replaceEntities   = replaceEntities;
-exports.escapeHtml        = escapeHtml;
-exports.arrayReplaceAt    = arrayReplaceAt;
-exports.normalizeLink     = normalizeLink;
-exports.isWhiteSpace      = isWhiteSpace;
-exports.isMdAsciiPunct    = isMdAsciiPunct;
-exports.isPunctChar       = isPunctChar;
-exports.escapeRE          = escapeRE;
+exports.assign              = assign;
+exports.isString            = isString;
+exports.has                 = has;
+exports.unescapeMd          = unescapeMd;
+exports.isValidEntityCode   = isValidEntityCode;
+exports.fromCodePoint       = fromCodePoint;
+exports.replaceEntities     = replaceEntities;
+exports.escapeHtml          = escapeHtml;
+exports.arrayReplaceAt      = arrayReplaceAt;
+exports.normalizeLink       = normalizeLink;
+exports.isWhiteSpace        = isWhiteSpace;
+exports.isMdAsciiPunct      = isMdAsciiPunct;
+exports.isPunctChar         = isPunctChar;
+exports.escapeRE            = escapeRE;
+exports.normalizeReference  = normalizeReference;
 
 // for testing only
 exports.fixBrokenSurrogates = fixBrokenSurrogates;
diff --git a/lib/helpers/normalize_reference.js b/lib/helpers/normalize_reference.js
deleted file mode 100644
index 26b9215..0000000
--- a/lib/helpers/normalize_reference.js
+++ /dev/null
@@ -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();
-};
diff --git a/lib/rules_block/reference.js b/lib/rules_block/reference.js
index 3b30104..471b4d2 100644
--- a/lib/rules_block/reference.js
+++ b/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) {
diff --git a/lib/rules_inline/image.js b/lib/rules_inline/image.js
index 0a6a9bc..d243c31 100644
--- a/lib/rules_inline/image.js
+++ b/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) {
diff --git a/lib/rules_inline/link.js b/lib/rules_inline/link.js
index 524d5cf..6878116 100644
--- a/lib/rules_inline/link.js
+++ b/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) {