feat(error-tracking): log how many sourcemaps got a debug_id

Makes it visible in the upload summary log whether debug_id
extraction actually found anything, without needing to check
the backend table.

Author: jhssilva

packages/plugins/error-tracking/src/sourcemaps/sender.ts

@@ -203,6 +203,7 @@ export const sendSourcemaps = async (
     // @ts-expect-error PQueue's default isn't typed.
     const Queue = PQueue.default ? PQueue.default : PQueue;
     const payloadsQueue = new Queue({ concurrency: options.maxConcurrency });
+    let debugIdCount = 0;
     const payloads: Payload[] = await payloadsQueue.addAll(
         sourcemaps.map((sourcemap) => async () => {
             // Read the debug_id straight from the minified file's own content instead of
@@ -216,10 +217,16 @@ export const sendSourcemaps = async (
                 DEBUG_ID_SEARCH_PREFIX_BYTES,
             ).catch(() => undefined);
             const debugId = fileContent ? extractDebugId(fileContent) : undefined;
+            if (debugId) {
+                debugIdCount += 1;
+            }
             return getPayload(sourcemap, metadata, prefix, context.git, debugId);
         }),
     );
     payloadsTimer.end();
+    log.debug(
+        `Extracted debug_id for ${green(`${debugIdCount}/${sourcemaps.length}`)} sourcemaps.`,
+    );
 
     const errors = payloads.map((payload) => payload.errors).flat();
     const warnings = payloads.map((payload) => payload.warnings).flat();