fixed bugs + improved safety

src/Command.ts

@@ -73,9 +73,15 @@ class Command {
             const buff = phrase.map((p) => {
                 return p.split(' ').join('_');
             });
+            buff.map(e => {
+                if(e == '' || e == ' ') {
+                    const i = buff.indexOf(e);
+                    buff.splice(i, 1);
+                }
+            });
             return buff;
         }
-        else if(typeof phrase == 'string') {
+        else if(typeof phrase == 'string' && phrase != '' && phrase != ' ') {
             const buff = [];
             buff.push(phrase.split(' ').join('_'));
             return buff;

src/Help.ts

@@ -28,21 +28,21 @@ class HelpMessage extends Command {
                             helpMsg.setTitle(`${cmd.name} ${cmd.visible ? '' : '[HIDDEN]'}`);
                             helpMsg.setDescription(cmd.description);
                             if(cmd.usage) helpMsg.addField('Usage:', `${prefix}${cmd.name} ${cmd.usage}`, false);
-                            if(cmd.permissions) {
+                            if(cmd.permissions.toArray(false).length > 0) {
                                 let permList: string = '';
                                 cmd.permissions.toArray(false).map(p => {
                                     permList += p + '\n';
                                 });
                                 helpMsg.addField('Permissions:', permList, false);
                             }
-                            if(cmd.aliases) {
+                            if(cmd.aliases.length > 0) {
                                 let aList: string = '';
                                 cmd.aliases.map(a => {
                                     aList += a + '\n'; 
                                 });
                                 helpMsg.addField('Aliases:', aList, false);
                             }
-                            if(cmd.keywords) {
+                            if(cmd.keywords.length > 0) {
                                 let kwrdList: string = '';
                                 cmd.keywords.map(k => {
                                     kwrdList += k + '\n';