instantiate command class if it inherits BaseCommand class

src/cli/commands/_base.js

@@ -1,7 +1,7 @@
 /* @flow */
 
 export default class BaseCommand {
-  static hasWrapper(): boolean {
+  hasWrapper(): boolean {
     return true;
   }
 }

src/cli/commands/help.js

@@ -9,11 +9,11 @@ import {sortAlpha, hyphenate} from '../../util/misc.js';
 const chalk = require('chalk');
 
 export default class HelpCommand extends BaseCommand {
-  static hasWrapper(): boolean {
+  hasWrapper(): boolean {
     return false;
   }
 
-  static run(
+  run(
     config: Config,
     reporter: Reporter,
     commander: Object,

src/cli/commands/index.js

@@ -29,10 +29,10 @@ import * as tag from './tag.js'; export {tag};
 import * as team from './team.js'; export {team};
 import * as unlink from './unlink.js'; export {unlink};
 import * as upgrade from './upgrade.js'; export {upgrade};
+import * as upgradeInteractive from './upgrade-interactive.js'; export {upgradeInteractive};
 import * as version from './version.js'; export {version};
 import * as versions from './versions.js'; export {versions};
 import * as why from './why.js'; export {why};
-import * as upgradeInteractive from './upgrade-interactive.js'; export {upgradeInteractive};
 
 import buildUseless from './_useless.js';
 

src/cli/index.js

@@ -1,5 +1,6 @@
 /* @flow */
 
+import BaseCommand from './commands/_base.js';
 import {ConsoleReporter, JSONReporter} from '../reporters/index.js';
 import {registries, registryNames} from '../registries/index.js';
 import * as commands from './commands/index.js';
@@ -127,6 +128,9 @@ if (!command) {
   const camelised = camelCase(commandName);
   if (camelised) {
     command = commands[camelised];
+    if (command && command.prototype instanceof BaseCommand) {
+      command = new command();
+    }
   }
 }
 
@@ -168,6 +172,7 @@ if (command) {
 } else {
   command = commands.run;
 }
+
 invariant(command, 'missing command');
 
 //