fix: format types files with prettier

scripts/build.ts

@@ -6,13 +6,16 @@ import mimeScore, { FACET_SCORES } from 'mime-score';
 import { mkdir, writeFile } from 'node:fs/promises';
 import path from 'node:path';
 import { fileURLToPath } from 'node:url';
+import * as prettier from 'prettier';
 
 const MIME_DB_URL =
   'https://raw.githubusercontent.com/jshttp/mime-db/master/db.json';
 
 const __dirname = path.dirname(fileURLToPath(import.meta.url));
 const ROOT_DIR = __dirname.replace(/\/mime\/.*/, '/mime');
 
+const prettierOptions = await prettier.resolveConfig(__dirname);
+
 if (ROOT_DIR === __dirname) {
   throw new Error('Could not find root directory');
 }
@@ -94,12 +97,16 @@ async function writeTypesFile(name: string, types: Record<string, string[]>) {
   const filepath = path.join(dirpath, `${name}.ts`);
   await mkdir(dirpath, { recursive: true });
 
-  await writeFile(
-    filepath,
-    `const types : {[key: string]: string[]} = ${JSON.stringify(types)};
-Object.freeze(types);
-export default types;`,
-  );
+  let source = `const types : {[key: string]: string[]} = ${JSON.stringify(types)};
+    Object.freeze(types);
+    export default types;`;
+
+  source = await prettier.format(source, {
+    parser: 'typescript',
+    ...prettierOptions,
+  });
+
+  await writeFile(filepath, source);
 }
 
 async function main() {