lint: use capitals for constants

Author: dougwilson

lib/SqlString.js

@@ -1,6 +1,7 @@
 var SqlString  = exports;
-var charsRegex = /[\0\b\t\n\r\x1a\"\'\\]/g; // eslint-disable-line no-control-regex
-var charsMap   = {
+
+var CHARS_GLOBAL_REGEXP = /[\0\b\t\n\r\x1a\"\'\\]/g; // eslint-disable-line no-control-regex
+var CHARS_ESCAPE_MAP    = {
   '\0'   : '\\0',
   '\b'   : '\\b',
   '\t'   : '\\t',
@@ -177,13 +178,13 @@ SqlString.objectToValues = function objectToValues(object, timeZone) {
 };
 
 function escapeString(val) {
-  var chunkIndex = charsRegex.lastIndex = 0;
+  var chunkIndex = CHARS_GLOBAL_REGEXP.lastIndex = 0;
   var escapedVal = '';
   var match;
 
-  while ((match = charsRegex.exec(val))) {
-    escapedVal += val.slice(chunkIndex, match.index) + charsMap[match[0]];
-    chunkIndex = charsRegex.lastIndex;
+  while ((match = CHARS_GLOBAL_REGEXP.exec(val))) {
+    escapedVal += val.slice(chunkIndex, match.index) + CHARS_ESCAPE_MAP[match[0]];
+    chunkIndex = CHARS_GLOBAL_REGEXP.lastIndex;
   }
 
   if (chunkIndex === 0) {