inital work

commands/upgrade.ts

@@ -0,0 +1,48 @@
+import { TRANSFORM_OPTIONS } from '../config'
+import { join } from 'node:path'
+import { getAllFiles } from '../utils/file'
+import prompts from 'prompts'
+import execa from 'execa'
+
+const jscodeshiftExecutable = require.resolve('.bin/jscodeshift')
+
+
+const transformerDirectory = join(__dirname, '../', 'transforms')
+export function onCancel() {
+  process.exit(1)
+}
+export async function upgrade(source: string): Promise<void> {
+  let sourceSelected = source
+
+  if (!sourceSelected) {
+    const res = await prompts(
+      {
+        type: 'text',
+        name: 'path',
+        message: 'Which files or directories should the codemods be applied to?',
+        initial: '.',
+      },
+      { onCancel },
+    )
+
+    sourceSelected = res.path
+  }
+
+  const files = await getAllFiles(sourceSelected)
+
+  const args: string[] = []
+
+  args.push('--no-babel')
+  args.push('--silent')
+  args.push('--ignore-pattern=**/node_modules/**')
+  args.push('--extensions=cts,mts,ts,js,mjs,cjs')
+  args.push( ...files.map((file) => file.toString()))
+
+
+  for (const { value } of TRANSFORM_OPTIONS) {
+    const transformerPath = require.resolve(`${transformerDirectory}/${value}.js`)
+    const jscodeshiftProcess = execa(jscodeshiftExecutable, [...args, '--transform', transformerPath])
+
+      jscodeshiftProcess.stderr?.pipe(process.stderr)
+  }
+}

index.ts

@@ -5,6 +5,7 @@
 
 import { Command } from 'commander'
 import { transform } from './commands/transform'
+import { upgrade } from './commands/upgrade'
 import packageJson from './package.json'
 
 const program = new Command(packageJson.name)
@@ -22,4 +23,10 @@ const program = new Command(packageJson.name)
   // Why this option is necessary is explained here: https://github.com/tj/commander.js/pull/1427
   .enablePositionalOptions()
 
+program
+  .command('upgrade')
+  .description('Upgrade your express server to the latest version.')
+  .argument('[source]', 'Path to source files or directory to transform.')
+  .action(upgrade)
+
 program.parse(process.argv)