fix: code cleanup, fix getCurrentCommand

src/autocomplete/AutocompleteProvider.js

@@ -18,6 +18,8 @@ export default class AutocompleteProvider {
             return null;
         }
 
+        this.commandRegex.lastIndex = 0;
+        
         let match;
         while ((match = this.commandRegex.exec(query)) != null) {
             let matchStart = match.index,
@@ -33,7 +35,6 @@ export default class AutocompleteProvider {
                 };
             }
         }
-        this.commandRegex.lastIndex = 0;
         return {
             command: null,
             range: {

src/autocomplete/Components.js

@@ -10,10 +10,10 @@ export function TextualCompletion({
     description: ?string
 }) {
     return (
-        <div className="mx_Autocomplete_Completion">
+        <div style={{width: '100%'}}>
             <span>{title}</span>
             <em>{subtitle}</em>
-            <span style={{color: 'gray', float: 'right'}}>{description}</span>
+            <span style={{color: 'gray'}}>{description}</span>
         </div>
     );
 }