+ On a slow internet connection this may take a moment. If this
+ message displays for "a long time", intialization may have
+ failed and the JavaScript console may contain clues as to why.
+
+
+
Downloading...
+
+
+
+
Most stuff on this page happens in the dev console.
+
+
+
+
+
+
diff --git a/ext/wasm/testing-worker-promise.js b/ext/wasm/testing-worker-promise.js
new file mode 100644
index 0000000000..c60c6c2882
--- /dev/null
+++ b/ext/wasm/testing-worker-promise.js
@@ -0,0 +1,139 @@
+/*
+ 2022-08-23
+
+ The author disclaims copyright to this source code. In place of a
+ legal notice, here is a blessing:
+
+ * May you do good and not evil.
+ * May you find forgiveness for yourself and forgive others.
+ * May you share freely, never taking more than you give.
+
+ ***********************************************************************
+
+
+ UNDER CONSTRUCTION: a Promise-based proxy for for the sqlite3 Worker
+ #1 API.
+*/
+'use strict';
+(function(){
+ const T = self.SqliteTestUtil;
+ const DbState = {
+ id: undefined
+ };
+ const eOutput = document.querySelector('#test-output');
+ const log = console.log.bind(console);
+ const logHtml = async function(cssClass,...args){
+ log.apply(this, args);
+ const ln = document.createElement('div');
+ if(cssClass) ln.classList.add(cssClass);
+ ln.append(document.createTextNode(args.join(' ')));
+ eOutput.append(ln);
+ };
+ const warn = console.warn.bind(console);
+ const error = console.error.bind(console);
+
+ let startTime;
+ const logEventResult = async function(evd){
+ logHtml(evd.errorClass ? 'error' : '',
+ "response to",evd.messageId,"Worker time =",
+ (evd.workerRespondTime - evd.workerReceivedTime),"ms.",
+ "Round-trip event time =",
+ (performance.now() - evd.departureTime),"ms.",
+ (evd.errorClass ? evd.message : "")
+ );
+ };
+
+ const testCount = async ()=>{
+ logHtml("","Total test count:",T.counter+". Total time =",(performance.now() - startTime),"ms");
+ };
+
+ // Inspiration: https://stackoverflow.com/a/52439530
+ const worker = new Worker("sqlite3-worker1.js");
+ worker.onerror = function(event){
+ error("worker.onerror",event);
+ };
+ const WorkerPromiseHandler = Object.create(null);
+ WorkerPromiseHandler.nextId = function f(){
+ return 'msg#'+(f._ = (f._ || 0) + 1);
+ };
+
+ /** Posts a worker message as {type:eventType, data:eventData}. */
+ const requestWork = async function(eventType, eventData){
+ //log("requestWork", eventType, eventData);
+ T.assert(eventData && 'object'===typeof eventData);
+ /* ^^^ that is for the testing and messageId-related code, not
+ a hard requirement of all of the Worker-exposed APIs. */
+ const wph = WorkerPromiseHandler;
+ const msgId = wph.nextId();
+ const proxy = wph[msgId] = Object.create(null);
+ proxy.promise = new Promise(function(resolve, reject){
+ proxy.resolve = resolve;
+ proxy.reject = reject;
+ const msg = {
+ type: eventType,
+ args: eventData,
+ dbId: DbState.id,
+ messageId: msgId,
+ departureTime: performance.now()
+ };
+ log("Posting",eventType,"message to worker dbId="+(DbState.id||'default')+':',msg);
+ worker.postMessage(msg);
+ });
+ log("Set up promise",proxy);
+ return proxy.promise;
+ };
+
+
+ const runOneTest = async function(eventType, eventData, callback){
+ T.assert(eventData && 'object'===typeof eventData);
+ /* ^^^ that is for the testing and messageId-related code, not
+ a hard requirement of all of the Worker-exposed APIs. */
+ let p = requestWork(eventType, eventData);
+ if(callback) p.then(callback).finally(testCount);
+ return p;
+ };
+
+ const runTests = async function(){
+ logHtml('',
+ "Sending 'open' message and waiting for its response before continuing.");
+ startTime = performance.now();
+ runOneTest('open', {
+ filename:'testing2.sqlite3',
+ simulateError: 0 /* if true, fail the 'open' */
+ }, function(ev){
+ log("then open result",ev);
+ T.assert('testing2.sqlite3'===ev.result.filename)
+ .assert(ev.dbId)
+ .assert(ev.messageId)
+ .assert(DbState.id === ev.dbId);
+ }).catch((err)=>error("error response:",err));
+ };
+
+ worker.onmessage = function(ev){
+ ev = ev.data;
+ (('error'===ev.type) ? error : log)('worker.onmessage',ev);
+ const msgHandler = WorkerPromiseHandler[ev.messageId];
+ if(!msgHandler){
+ if('worker1-ready'===ev.result) {
+ /*sqlite3-api/worker1-ready is fired when the Worker1 API initializes*/
+ self.sqlite3TestModule.setStatus(null)/*hide the HTML-side is-loading spinner*/;
+ runTests();
+ return;
+ }
+ error("Unhandled worker message:",ev);
+ return;
+ }
+ logEventResult(ev);
+ delete WorkerPromiseHandler[ev.messageId];
+ if('error'===ev.type){
+ msgHandler.reject(ev);
+ }
+ else{
+ if(!DbState.id && ev.dbId) DbState.id = ev.dbId;
+ msgHandler.resolve(ev); // async, so testCount() results on next line are out of order
+ //testCount();
+ }
+ };
+
+ log("Init complete, but async init bits may still be running.");
+})();
diff --git a/manifest b/manifest
index fc1e6d40bd..d26d33dea6 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Significant\srestructuring\sof\sthe\sWorker\s#1\srequest/response\sobject\sstructures\sto\simprove\sreadability\sand\sclarity.
-D 2022-08-24T00:10:45.121
+C The\svery\sbasics\sof\sa\sPromise-based\sproxy\sfor\sthe\sWorker\s#1\sAPI.\sStill\srequires\sconsiderable\scleanup,\stesting,\sand\sa\ssolution\sfor\sthe\sexec-callback-via-event-type-name\sproblem.
+D 2022-08-24T00:51:39.887
F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -489,7 +489,7 @@ F ext/wasm/api/sqlite3-api-prologue.js 6e0e7787ed955ea2b6158e0bb7608f63b54236847
F ext/wasm/api/sqlite3-api-worker1.js c9e4edb89f41a4fa65d136ae180c1bc0beb694eb95f7d9e6936fbb702914c160
F ext/wasm/api/sqlite3-wasi.h 25356084cfe0d40458a902afb465df8c21fc4152c1d0a59b563a3fba59a068f9
F ext/wasm/api/sqlite3-wasm.c 0d81282eaeff2a6e9fc5c28a388c5c5b45cf25a9393992fa511ac009b27df982
-F ext/wasm/common/SqliteTestUtil.js 04156a3b714b1b17a7261d21dd51341a8aeb9880a223e1e7519de98c2cceb414
+F ext/wasm/common/SqliteTestUtil.js eb96275bed43fdb364b7d65bcded0ca5e22aaacff120d593d1385f852f486247
F ext/wasm/common/emscripten.css 3d253a6fdb8983a2ac983855bfbdd4b6fa1ff267c28d69513dd6ef1f289ada3f
F ext/wasm/common/testing.css 572cf1ffae0b6eb7ca63684d3392bf350217a07b90e7a896e4fa850700c989b0
F ext/wasm/common/whwasmutil.js 41b8e097e0a9cb07c24c0ede3c81b72470a63f4a4efb07f75586dc131569f5ae
@@ -509,6 +509,8 @@ F ext/wasm/scratchpad-opfs-worker.html 66c1d15d678f3bd306373d76b61c6c8aef988f61f
F ext/wasm/scratchpad-opfs-worker.js 3ec2868c669713145c76eb5877c64a1b20741f741817b87c907a154b676283a9
F ext/wasm/scratchpad-opfs-worker2.js 5f2237427ac537b8580b1c659ff14ad2621d1694043eaaf41ae18dbfef2e48c0
F ext/wasm/sqlite3-worker1.js 0c1e7626304543969c3846573e080c082bf43bcaa47e87d416458af84f340a9e
+F ext/wasm/testing-worker-promise.html ba3d5423cfbdc96c332af3632dfcb61527ba8fd7e487b3bf3f07542f890c3e08
+F ext/wasm/testing-worker-promise.js c05c46a3a22b1910f6a1db11f3da6df701259eaa1277ddba085247b7f9059423
F ext/wasm/testing1.html 528001c7e32ee567abc195aa071fd9820cc3c8ffc9c8a39a75e680db05f0c409
F ext/wasm/testing1.js 2def7a86c52ff28b145cb86188d5c7a49d5993f9b78c50d140e1c31551220955
F ext/wasm/testing2.html a66951c38137ff1d687df79466351f3c734fa9c6d9cce71d3cf97c291b2167e3
@@ -2006,8 +2008,8 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P c8eb3aa8e0f487f14791214caf70d1aa03866e01345c7fa1d5607c24c39dde1d
-R ea27eb9ac1a6ed815943946a889ca949
+P 03b9db9b98cb36faa7de5a8a64d2e13c4aeaadfefb33ac92bb41056f6be3f121
+R 5b16a785d8c414a8eb9d618c8d9d8cea
U stephan
-Z 3af622548a101a1182c5d00aa6a9dd08
+Z fdaa5cf9f1bfd4215c6ebf07223819c1
# Remove this line to create a well-formed Fossil manifest.
diff --git a/manifest.uuid b/manifest.uuid
index 9b2d03d93c..1b823c2233 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-03b9db9b98cb36faa7de5a8a64d2e13c4aeaadfefb33ac92bb41056f6be3f121
\ No newline at end of file
+1e447849fb65887e806e3348a8a68f70ea6802bc0a1e56c385a279f27cc0cdda
\ No newline at end of file