requireDictionaryWords: Refactor isAllowed

Author: jacksonrayhamilton

lib/rules/require-dictionary-words.js

@@ -347,7 +347,7 @@ module.exports.prototype = {
 
         buildAllowedIndex();
 
-        function isAllowed(context, as, name, line) {
+        function isAllowed(context, name, line) {
             var allowed = false;
             allowedIndex.some(function(region) {
                 // once the comment we're inspecting occurs after the location of the error,
@@ -356,42 +356,32 @@ module.exports.prototype = {
                     return true;
                 }
 
-                var contextRe = new RegExp([
-                    '^allow',
-                    as === 'name' ? 'Names(|As' : 'Words(|In',
-                    context === 'identifier' ? 'Identifiers)' : 'Properties)',
-                    '$'
-                ].join(''));
-
-                if (contextRe.test(region.rule)) {
-                    if (as === 'name' && /^allowNames/.test(region.rule)) {
-                        if (region.name === name) {
-                            allowed = region.allowed;
-                        }
-                    } else if (as === 'word' && /^allowWords/.test(region.rule)) {
-                        if (name.match(reWords).indexOf(region.name) > -1) {
-                            allowed = region.allowed;
-                        }
+                var inverseContextRe = new RegExp(
+                    (context === 'identifier' ? 'Properties' : 'Identifiers') + '$'
+                );
+
+                if (inverseContextRe.test(region.rule)) {
+                    return;
+                }
+
+                if (/^allowNames/.test(region.rule)) {
+                    if (region.name === name) {
+                        allowed = region.allowed;
+                    }
+                } else if (/^allowWords/.test(region.rule)) {
+                    if (name.match(reWords).indexOf(region.name) > -1) {
+                        allowed = region.allowed;
                     }
                 }
             });
 
             return allowed;
         }
 
-        function isAllowedName(context, name, line) {
-            return isAllowed(context, 'name', name, line);
-        }
-
-        function isAllowedWord(context, name, line) {
-            return isAllowed(context, 'word', name, line);
-        }
-
         function check(context, wordDictionaries, nameDictionaries, name, start) {
             if (
-                isAllowedName(context, name, start.line) ||
-                dictionariesHaveWord(nameDictionaries, name) ||
-                isAllowedWord(context, name, start.line)
+                isAllowed(context, name, start.line) ||
+                dictionariesHaveWord(nameDictionaries, name)
             ) {
                 return;
             }