SimpleChatTC:TrapPromise: log the trapping

also possible refinement wrt trapping, if needed, added as comment

all or allSettled to use or not is the question.

whether to wait for a round trip through the related event loop or
not is also a question.

Author: hanishkvc

tools/server/public_simplechat/toolsworker.mjs

@@ -15,6 +15,7 @@ import * as xpromise from "./xpromise.mjs"
 
 
 self.onmessage = async function (ev) {
+    console.info("DBUG:WW:OnMessage started...")
     tconsole.console_redir()
     try {
         await xpromise.evalWithPromiseTracking(ev.data.code);
@@ -23,4 +24,5 @@ self.onmessage = async function (ev) {
     }
     tconsole.console_revert()
     self.postMessage({ id: ev.data.id, name: ev.data.name, data: tconsole.gConsoleStr})
+    console.info("DBUG:WW:OnMessage done")
 }

tools/server/public_simplechat/xpromise.mjs

@@ -13,22 +13,25 @@
  * Eval which allows promises generated by the evald code to be tracked.
  * @param {string} codeToEval
  */
-export function evalWithPromiseTracking(codeToEval) {
+export async function evalWithPromiseTracking(codeToEval) {
     const _Promise = globalThis.Promise;
     /** @type {any[]} */
     const trackedPromises = [];
 
     const Promise = function ( /** @type {PromiseExecutor} */ executor) {
+        console.info("WW:PT:Promise")
         const promise = new _Promise(executor);
         trackedPromises.push(promise);
 
         promise.then = function (...args) {
+            console.info("WW:PT:Then")
             const newPromise = _Promise.prototype.then.apply(this, args);
             trackedPromises.push(newPromise);
             return newPromise;
         };
 
         promise.catch = function (...args) {
+            console.info("WW:PT:Catch")
             const newPromise = _Promise.prototype.catch.apply(this, args);
             trackedPromises.push(newPromise);
             return newPromise;
@@ -42,5 +45,7 @@ export function evalWithPromiseTracking(codeToEval) {
 
     eval(codeToEval);
 
+    //await Promise(resolve=>setTimeout(resolve, 0));
+    //return _Promise.allSettled(trackedPromises);
     return _Promise.all(trackedPromises);
 }