Revert "fix(import): present in vite-legacy"

This reverts commit 65f3f64.

Gemfile

@@ -86,6 +86,7 @@ gem 'strong_migrations' # lint database migrations
 gem 'turbo-rails'
 gem 'typhoeus'
 gem 'view_component'
+gem 'vite_plugin_legacy'
 gem 'vite_rails'
 gem 'warden'
 gem 'zipline'

Gemfile.lock

@@ -749,6 +749,8 @@ GEM
       axiom-types (~> 0.1)
       coercible (~> 1.0)
       descendants_tracker (~> 0.0, >= 0.0.3)
+    vite_plugin_legacy (3.0.2)
+      vite_ruby (~> 3.0, >= 3.0.4)
     vite_rails (3.0.9)
       railties (>= 5.1, < 8)
       vite_ruby (~> 3.0)
@@ -910,6 +912,7 @@ DEPENDENCIES
   typhoeus
   vcr
   view_component
+  vite_plugin_legacy
   vite_rails
   warden
   web-console

vite.config.ts

@@ -1,5 +1,6 @@
 import { defineConfig } from 'vite';
 import ViteReact from '@vitejs/plugin-react';
+import ViteLegacy from '@vitejs/plugin-legacy';
 import FullReload from 'vite-plugin-full-reload';
 import RubyPlugin from 'vite-plugin-ruby';
 
@@ -12,10 +13,49 @@ const plugins = [
   FullReload(['config/routes.rb', 'app/views/**/*'], { delay: 200 })
 ];
 
+if (shouldBuildLegacy()) {
+  plugins.push(
+    ViteLegacy({
+      targets: [
+        'defaults',
+        'Chrome >= 50',
+        'Edge >= 14',
+        'Firefox >= 50',
+        'Opera >= 40',
+        'Safari >= 8',
+        'iOS >= 8',
+        'IE >= 11'
+      ],
+      additionalLegacyPolyfills: [
+        '@stimulus/polyfills',
+        '@webcomponents/custom-elements',
+        '@webcomponents/template',
+        'event-target-polyfill',
+        'formdata-polyfill',
+        'intersection-observer',
+        'regenerator-runtime/runtime',
+        'whatwg-fetch',
+        'yet-another-abortcontroller-polyfill'
+      ]
+    })
+  );
+}
+
 export default defineConfig({
   resolve: { alias: { '@utils': '/shared/utils.ts' } },
   build: {
-    sourcemap: true
+    sourcemap: true,
+    polyfillDynamicImport: true
   },
   plugins
 });
+
+function shouldBuildLegacy() {
+  if (process.env.VITE_LEGACY == 'disabled') {
+    return false;
+  }
+  return (
+    process.env.RAILS_ENV == 'production' ||
+    process.env.VITE_LEGACY == 'enabled'
+  );
+}