refactor: refactoring imports

将来ESMに移行しやすいように
Related: #7658

なんかmochaが起動しなくなってるけど理由不明
すぐ直したい

src/misc/license.ts

@@ -1,6 +1,12 @@
 import * as fs from 'fs';
+import { fileURLToPath } from 'url';
+import { dirname } from 'path';
 
-const license = fs.readFileSync(__dirname + '/../../LICENSE', 'utf-8');
+//const _filename = fileURLToPath(import.meta.url);
+const _filename = __filename;
+const _dirname = dirname(_filename);
+
+const license = fs.readFileSync(_dirname + '/../../LICENSE', 'utf-8');
 
 const licenseHtml = license
 	.replace(/\r\n/g, '\n')