"migrate" command for flipper-pkg tool

Summary: "migrate" command for easy migration of existing Flipper plugins to the specification version 2.

Reviewed By: passy

Differential Revision: D21253913

fbshipit-source-id: 9edb170fbaa10e9c3f670d5d68e69f4f6106c151

desktop/pkg/src/commands/migrate.ts

@@ -0,0 +1,53 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ */
+
+import {Command, flags} from '@oclif/command';
+import {args} from '@oclif/parser';
+import runMigrate from '../utils/runMigrate';
+import path from 'path';
+
+export default class Migrate extends Command {
+  public static description =
+    'migrates a Flipper desktop plugin to the latest version of specification';
+
+  public static examples = [`$ flipper-pkg migrate path/to/plugin`];
+
+  public static flags = {
+    'no-dependencies': flags.boolean({
+      description:
+        'Do not add or change package dependencies during migration.',
+      default: false,
+    }),
+    'no-scripts': flags.boolean({
+      description: 'Do not add or change package scripts during migration.',
+      default: false,
+    }),
+  };
+
+  public static args: args.IArg[] = [
+    {
+      name: 'directory',
+      required: false,
+      default: '.',
+      description:
+        'Path to the plugin directory. Defaults to the current working directory.',
+    },
+  ];
+
+  public async run() {
+    const {args, flags} = this.parse(Migrate);
+    const dir: string = path.resolve(process.cwd(), args.directory);
+    const noDependencies = flags['no-dependencies'];
+    const noScripts = flags['no-scripts'];
+    const error = await runMigrate(dir, {noDependencies, noScripts});
+    if (error) {
+      this.error(error);
+    }
+  }
+}