fix: 🐛 inenfficient regex in certain template take a long time

shufo/vscode-blade-formatter#500

__tests__/cli.test.ts

@@ -4,6 +4,7 @@ import fs from 'fs';
 import os from 'os';
 import path from 'path';
 import { spawnSync } from 'child_process';
+import { performance } from 'perf_hooks';
 import * as cmd from './support/cmd';
 import * as util from './support/util';
 import { assertFormatted, assertNotFormatted } from './support/assertion';
@@ -562,4 +563,13 @@ describe('The blade formatter CLI', () => {
 
     expect(cmdResult).toContain(version);
   });
+
+  test.concurrent('large file', async () => {
+    const input = 'largefile.blade.php';
+    const target = 'formatted.largefile.blade.php';
+    const startTime = performance.now();
+    await util.checkIfTemplateIsFormattedTwice(input, target);
+    const endTime = performance.now();
+    expect(endTime - startTime).toBeLessThan(3000);
+  });
 });

src/formatter.ts

@@ -374,18 +374,18 @@ export default class Formatter {
   preserveInlineDirective(content: string): string {
     // preserve inline directives inside html tag
     const regex = new RegExp(
-      `(?<=<[\\w\\-\\_]+?[^>]*?)${directivePrefix}(${indentStartTokensWithoutPrefix.join(
+      `(<[\\w\\-\\_]+?[^>]*?)${directivePrefix}(${indentStartTokensWithoutPrefix.join(
         '|',
-      )})(\\s*?)(\\(.*?\\))(.*?)(@end\\1|@endif)(?=.*?/*>)`,
+      )})(\\s*?)(\\([^)]*?\\))((?:(?!@end\\2).)+)(@end\\2|@endif)(.*?/*>)`,
       'gims',
     );
     const replaced = _.replace(
       content,
       regex,
-      (_match: string, p1: string, p2: string, p3: string, p4: string, p5: string) => {
-        return `${this.storeInlineDirective(
-          `${directivePrefix}${p1.trim()}${p2}${p3.trim()} ${p4.trim()} ${p5.trim()}`,
-        )}`;
+      (_match: string, p1: string, p2: string, p3: string, p4: string, p5: string, p6: string, p7: string) => {
+        return `${p1}${this.storeInlineDirective(
+          `${directivePrefix}${p2.trim()}${p3}${p4.trim()} ${p5.trim()} ${p6.trim()}`,
+        )}${p7}`;
       },
     );