feat: Modernize the visual card editor. (#2586)

scripts/clean-dist-plugin.js

@@ -0,0 +1,32 @@
+import { existsSync, readdirSync, rmSync } from 'node:fs';
+
+/**
+ * Rollup plugin: deletes prior build artifacts from `dist/` (which otherwise
+ * accumulate stale hashed chunks that can be served in place of fresh output).
+ * Deletes only top-level build artifacts by extension (no recursion), so
+ * anything unexpected in `dist/` survives. Cleans once per process: watch mode
+ * cleans at startup, not on every incremental rebuild.
+ *
+ * @type {() => import('rollup').Plugin}
+ */
+export const cleanDist = () => {
+  let cleaned = false;
+  return {
+    name: 'clean-dist',
+    buildStart() {
+      if (cleaned) {
+        return;
+      }
+      cleaned = true;
+      const dist = new URL('../dist/', import.meta.url);
+      if (!existsSync(dist)) {
+        return;
+      }
+      for (const entry of readdirSync(dist, { withFileTypes: true })) {
+        if (entry.isFile() && /\.js(\.map)?$/.test(entry.name)) {
+          rmSync(new URL(entry.name, dist));
+        }
+      }
+    },
+  };
+};