chore(core): format

Author: kazupon

packages/core/build.ts

@@ -432,10 +432,7 @@ async function bundleTsdown() {
   // Copy esm-shims.js to dist/ so tsdown's shims option can resolve it.
   // tsdown resolves this file via path.resolve(import.meta.dirname, '..', 'esm-shims.js'),
   // which means it expects the file at dist/esm-shims.js (one level up from dist/tsdown/).
-  await copyFile(
-    join(tsdownSourceDir, 'esm-shims.js'),
-    join(projectDir, 'dist/esm-shims.js'),
-  );
+  await copyFile(join(tsdownSourceDir, 'esm-shims.js'), join(projectDir, 'dist/esm-shims.js'));
 }
 
 async function brandTsdown() {