perf(dynamic import): use string check instead of regex

privatenumber · Nov 14, 2023 · f1088e6 · f1088e6
1 parent 6eac49b
commit f1088e6
Showing 1 changed file with 2 additions and 4 deletions.
diff --git a/src/utils/transform/transform-dynamic-import.ts b/src/utils/transform/transform-dynamic-import.ts
@@ -20,14 +20,12 @@ const toEsmFunctionString = ((imported: Record<string, unknown>) => {
 
 const handleDynamicImport = `.then(${toEsmFunctionString})`;
 
-const esmImportPattern = /\bimport\b/;
-
 export const transformDynamicImport = (
 	filePath: string,
 	code: string,
 ) => {
-	// Naive check
-	if (!esmImportPattern.test(code)) {
+	// Naive check (regex is too slow)
+	if (!code.includes('import')) {
 		return;
 	}