chore: add a verification that the change can occurs to avoid future …

…breaking change

config/vite.replace.js

@@ -4,12 +4,6 @@ export const changeLoadingWorker = (basePath) => ({
   transform(code, id) {
     // Only apply transformations to .js files (or other specific conditions)
     if (id.endsWith('.js')) {
-      // const worker = new Worker(
-      //   new URL('workerHelpers.worker.js', import.meta.url),
-      //   {
-      //     type: 'module',
-      //   },
-      // );
       const searchValue =
         /const worker = new Worker\(\s*new URL\(['"]\.?\/?workerHelpers\.worker\.js['"],\s*import\.meta\.url\),\s*\{\s*type:\s*'module',?\s*\},?\s*\);/;
 
@@ -28,6 +22,15 @@ export const changeLoadingWorker = (basePath) => ({
           worker = new Worker(blobUrl);
         }`;
 
+      // Check that the worker change works.
+      if (id.match('lib/web.js')) {
+        const match = code.match(searchValue);
+        if (!match)
+          throw new Error(
+            'Impossible to replace Worker with iife implementation. Source code (lib/web.js) changed.',
+          );
+      }
+
       // Replace occurrences according to the regex pattern
       const newCode = code.replace(searchValue, replacement);