fix: disable parsing excel in web worker beacuse it breaks in the stream apps

client/src/app/shared/spreadsheet-util/spreadsheet-util.ts

@@ -511,6 +511,21 @@ export class SpreadsheetUtil {
         return resolve(XLSX.read(data, opts))
       }
 
+      // TEMPORARILY DISABLED: Web Worker for XLSX parsing
+      // Worker is disabled because Angular/webpack bundles it as a separate chunk
+      // with a numeric filename (e.g., 411.hash.js). In SAS9/Viya streaming
+      // environments, all JS files need to be served through SASJobExecution
+      // with _program= parameter, but our post-build processor can't reliably
+      // find and replace the worker chunk reference in the minified output.
+      // FIX: Add "namedChunks": true to production config in angular.json
+      // (under projects.datacontroller.architect.build.configurations.production)
+      // This will output worker as "spreadsheet-worker.hash.js" instead of
+      // numeric ID, making it findable by post-processor.
+      // Trade-off: UI may briefly freeze when parsing large Excel files.
+
+      return resolve(XLSX.read(data, opts))
+
+      /*
       if (typeof Worker === 'undefined') {
         console.info(
           'Not using worker to parse the XLSX - no Worker available in this environment'
@@ -551,6 +566,7 @@ export class SpreadsheetUtil {
       setTimeout(() => {
         return resolve(XLSX.read(data, opts))
       }, 600 * 1000) // 10 minutes
+      */
     })
   }