feat(bod): rewrite bod-cli with factory pattern

issue #15

packages/bod/lib/bod.ts

@@ -3,10 +3,13 @@
 import chalk from 'chalk';
 import { Command, program } from 'commander';
 import consola from 'consola';
-import envinfo from 'envinfo';
 import fs from 'fs';
 import path from 'path';
-import { create } from './index';
+import { BaseCommand } from './commands';
+import { CommandFactory } from './index';
+
+const createCommand = CommandFactory.get('create') as BaseCommand;
+const infoCommand = CommandFactory.get('info') as BaseCommand;
 
 const packageJsonPath = path.join(__dirname, '../package.json');
 const packageJson = JSON.parse(
@@ -17,35 +20,28 @@ program.version(packageJson.version, '-v, --version');
 program.usage('<command> [options]');
 
 program
-  .command('create <appName>')
-  .description(
-    'create a new project powered by Create React App and @sabertazimi/react-scripts'
-  )
-  .action((appName: string) => {
-    create(appName);
+  .command(createCommand.getUsage())
+  .description(createCommand.getDescription())
+  .action(async (appName: string) => {
+    try {
+      await createCommand.run(appName);
+    } catch (error) {
+      consola.error(error);
+      consola.error('Bod create failed.');
+      program.outputHelp();
+    }
   });
 
 program
-  .command('info')
-  .description('print debugging information about your environment')
-  .action(() => {
-    consola.info('Environment Info:');
-    envinfo
-      .run(
-        {
-          System: ['OS', 'CPU'],
-          Binaries: ['Node', 'Yarn', 'npm'],
-          Browsers: ['Chrome', 'Edge', 'Firefox', 'Safari'],
-          npmPackages: '/**/{typescript,*react*,@sabertazimi/*/}',
-          npmGlobalPackages: ['@sabertazimi/bod'],
-        },
-        {
-          showNotFound: true,
-          duplicates: true,
-          fullTree: true,
-        }
-      )
-      .then(consola.info);
+  .command(infoCommand.getUsage())
+  .description(infoCommand.getDescription())
+  .action(async () => {
+    try {
+      await infoCommand.run();
+    } catch (error) {
+      consola.error(error);
+      program.outputHelp();
+    }
   });
 
 // output help information on unknown commands

packages/bod/lib/index.ts

@@ -1,13 +1,11 @@
-import consola from 'consola';
-import { CreateCommand } from './commands';
+import { BaseCommand, CreateCommand, InfoCommand } from './commands';
+
+const CommandFactory = new Map<string, BaseCommand>();
 
 const createCommand = new CreateCommand();
+const infoCommand = new InfoCommand();
 
-const create = (appName: string): Promise<void> => {
-  return createCommand.run(appName).catch((err) => {
-    consola.error(err);
-    consola.error('\nBod create failed.');
-  });
-};
+CommandFactory.set(createCommand.getName(), createCommand);
+CommandFactory.set(infoCommand.getName(), infoCommand);
 
-export { create };
+export { CommandFactory };