Convert from Webpack to Vite (#34450)

Co-authored-by: Renaud Chaput <renchap@gmail.com>

config/vite/plugin-emoji-compressed.ts

@@ -0,0 +1,27 @@
+import type { Plugin } from 'vite';
+
+export function MastodonEmojiCompressed(): Plugin {
+  const virtualModuleId = 'virtual:mastodon-emoji-compressed';
+  const resolvedVirtualModuleId = '\0' + virtualModuleId;
+
+  return {
+    name: 'mastodon-emoji-compressed',
+    resolveId(id) {
+      if (id === virtualModuleId) {
+        return resolvedVirtualModuleId;
+      }
+
+      return undefined;
+    },
+    async load(id) {
+      if (id === resolvedVirtualModuleId) {
+        const { default: emojiCompressed } = await import(
+          '../../app/javascript/mastodon/features/emoji/emoji_compressed.mjs'
+        );
+        return `export default ${JSON.stringify(emojiCompressed)};`;
+      }
+
+      return undefined;
+    },
+  };
+}