Merge pull request #1794 from finos/fix-worker-file-protocol

Allow attempt to create workers from file protocol for e.g. electron
finos · May 1, 2022 · 65b01c5 · 65b01c5
2 parents b726e29 + 1b7a785
commit 65b01c5
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/tools/perspective-build/worker.js b/tools/perspective-build/worker.js
@@ -134,14 +134,15 @@ exports.WorkerPlugin = function WorkerPlugin(inline) {
                     export const initialize = async function () {
                         const code = await code_promise;
                         if (window.location.protocol.startsWith("file")) {
-                            return run_single_threaded(code, "file:// protocol does not support Web Workers");
+                            console.warn(code, "file:// protocol does not support Web Workers");
                         }
 
                         try {
                             const blob = new Blob([code], {type: 'application/javascript'});
                             const url = URL.createObjectURL(blob);
                             return new Worker(url, {type: "module"});
                         } catch (e) {
+                            console.warn("Failed to instantiate worker, falling back to single-threaded runtime", e);
                             return run_single_threaded(code, e);
                         }
                     };