✨ Allow no pattern defs to be sent in

Author: KyleRoss

lib/utils.js

@@ -27,43 +27,45 @@ class ModClean_Utils extends EventEmitter {
             patterns = [],
             ignore = [];
 
-        if(!Array.isArray(patDefs)) patDefs = [patDefs];
-        
-        patDefs.forEach((def) => {
-            def = def.split(':');
-            let mod = def[0],
-                name = def[1],
-                loader = this._loadPatterns(mod),
-                results;
-            
-            mod = loader.module;
-            results = loader.patterns;
-            
-            let all = Object.keys(results).filter(function(val) {
-                return val[0] !== '$';
-            });
-            
-            if(!name) {
-                if(results.$default) name = results.$default;
-                else name = all[0];
-            }
-            
-            if(name === '*') name = all;
+        if(patDefs) {
+            if(!Array.isArray(patDefs)) patDefs = [patDefs];
 
-            let rules = Array.isArray(name)? name : name.split(',');
-            
-            rules.forEach(function(rule) {
-                if(!results.hasOwnProperty(rule)) throw new Error(`Module "${mod}" does not contain rule "${rule}"`);
-                let obj = results[rule];
+            patDefs.forEach((def) => {
+                def = def.split(':');
+                let mod = def[0],
+                    name = def[1],
+                    loader = this._loadPatterns(mod),
+                    results;
+                
+                mod = loader.module;
+                results = loader.patterns;
 
-                if(Array.isArray(obj)) return patterns = patterns.concat(obj);
+                let all = Object.keys(results).filter(function(val) {
+                    return val[0] !== '$';
+                });
 
-                if(typeof obj === 'object') {
-                    if(obj.hasOwnProperty('patterns')) patterns = patterns.concat(obj.patterns);
-                    if(obj.hasOwnProperty('ignore')) ignore = ignore.concat(obj.ignore);
+                if(!name) {
+                    if(results.$default) name = results.$default;
+                    else name = all[0];
                 }
+                
+                if(name === '*') name = all;
+                
+                let rules = Array.isArray(name)? name : name.split(',');
+                
+                rules.forEach(function(rule) {
+                    if(!results.hasOwnProperty(rule)) throw new Error(`Module "${mod}" does not contain rule "${rule}"`);
+                    let obj = results[rule];
+                    
+                    if(Array.isArray(obj)) return patterns = patterns.concat(obj);
+                    
+                    if(typeof obj === 'object') {
+                        if(obj.hasOwnProperty('patterns')) patterns = patterns.concat(obj.patterns);
+                        if(obj.hasOwnProperty('ignore')) ignore = ignore.concat(obj.ignore);
+                    }
+                });
             });
-        });
+        }
 
         let addlPats = this.options.additionalPatterns,
             addlIgnore = this.options.ignorePatterns;