优化

src/_export.js

@@ -120,7 +120,7 @@ function hydrateEmbedParams(params, messageSource, targetOrigin) {
   return params.map(walk);
 }
 
-function broadcastScanErrorToEmbedChildren(error) {
+function broadcastScanErrorToEmbedChildren(error, meta) {
   if (embedChildSources.size === 0 || error == null || error === "") {
     return;
   }
@@ -132,6 +132,7 @@ function broadcastScanErrorToEmbedChildren(error) {
           v: EMBED_V,
           kind: "forwardScanError",
           error,
+          scanKey: meta && meta.scanKey,
         },
         "*"
       );
@@ -153,6 +154,7 @@ function broadcastScanResultToEmbedChildren(result, meta) {
           kind: "forwardScanResult",
           result,
           scanSource: meta && meta.source,
+          scanKey: meta && meta.scanKey,
         },
         "*"
       );
@@ -221,6 +223,7 @@ function embedChildOnMessage(ev) {
     if (typeof data.result === "string") {
       const consumed = dispatchEmbedScanResult(data.result, {
         source: data.scanSource,
+        scanKey: data.scanKey,
       });
       if (consumed && resolveUseParentProxy()) {
         window.parent.postMessage(
@@ -238,7 +241,9 @@ function embedChildOnMessage(ev) {
   }
   if (data.kind === "forwardScanError") {
     if (typeof data.error === "string") {
-      dispatchEmbedScanError(data.error);
+      dispatchEmbedScanError(data.error, {
+        scanKey: data.scanKey,
+      });
     }
     return;
   }