improv(logger): update getCodeLocation regex to improve performance (aws-powertools#4389)

sdangol · svozza · web-flow · commit 801333deff04 · 2025-08-27T10:37:19.000+02:00
Co-authored-by: Stefano Vozza &lt;svozza@amazon.com&gt;
diff --git a/packages/logger/src/formatter/LogFormatter.ts b/packages/logger/src/formatter/LogFormatter.ts
@@ -162,7 +162,7 @@ abstract class LogFormatter {
     }
 
     const stackLines = stack.split('\n');
-    const regex = /\(([^)]*?):(\d+?):(\d+?)\)\\?$/;
+    const regex = /\(([^()]*?):(\d+?):(\d+?)\)\\?$/;
 
     for (const item of stackLines) {
       const match = regex.exec(item);

Original file line number	Diff line number	Diff line change
`@@ -162,7 +162,7 @@ abstract class LogFormatter {`
`162`	`162`	`}`
`163`	`163`
`164`	`164`	`const stackLines = stack.split('\n');`
`165`		`- const regex = /\(([^)]*?):(\d+?):(\d+?)\)\\?$/;`
	`165`	`+ const regex = /\(([^()]*?):(\d+?):(\d+?)\)\\?$/;`
`166`	`166`
`167`	`167`	`for (const item of stackLines) {`
`168`	`168`	`const match = regex.exec(item);`