lib: add comments to empty catch statements

PR-URL: https://github.com/nodejs/node/pull/41831
Refs: https://eslint.org/docs/rules/no-empty
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>

1 files changed, 6 insertions, 2 deletions

diff --git a/lib/events.js b/lib/events.js
index f722b17aec..759d528892 100644
--- a/lib/events.js
+++ b/lib/events.js
@@ -445,7 +445,9 @@ function enhanceStackTrace(err, own) {
     const { name } = this.constructor;
     if (name !== 'EventEmitter')
       ctorInfo = ` on ${name} instance`;
-  } catch {}
+  } catch {
+    // Continue regardless of error.
+  }
   const sep = `\nEmitted 'error' event${ctorInfo} at:\n`;
 
   const errStack = ArrayPrototypeSlice(
@@ -493,7 +495,9 @@ EventEmitter.prototype.emit = function emit(type, ...args) {
           value: FunctionPrototypeBind(enhanceStackTrace, this, er, capture),
           configurable: true
         });
-      } catch {}
+      } catch {
+        // Continue regardless of error.
+      }
 
       // Note: The comments on the `throw` lines are intentional, they show
       // up in Node's output if this results in an unhandled exception.