<!doctype html>
<html lang="en-us">
<head>
<meta charset="utf-8">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel="shortcut icon" href="data:image/x-icon;," type="image/x-icon">
<link rel="stylesheet" href="../common/emscripten.css"/>
<link rel="stylesheet" href="../common/testing.css"/>
<title>sqlite3 tester #1: Worker thread</title>
<style></style>
</head>
<body>
<h1 id='color-target'>sqlite3 tester #1: Worker thread</h1>
<div>Variants:
<a href='tester1.html' target='tester1.html'>conventional UI thread</a>,
<a href='tester1-worker.html' target='tester1-worker.html'>conventional worker</a>,
<a href='tester1-esm.html' target='tester1-esm.html'>ESM in UI thread</a>,
<a href='tester1-worker.html?esm' target='tester1-worker.html?esm'>ESM worker</a>
</div>
<div class='input-wrapper'>
<input type='checkbox' id='cb-log-reverse'>
<label for='cb-log-reverse'>Reverse log order?</label>
</div>
<div id='test-output'></div>
<script>(function(){
const logTarget = document.querySelector('#test-output');
const logHtml = function(cssClass,...args){
const ln = document.createElement('div');
if(cssClass){
for(const c of (Array.isArray(cssClass) ? cssClass : [cssClass])){
ln.classList.add(c);
}
}
ln.append(document.createTextNode(args.join(' ')));
logTarget.append(ln);
};
const cbReverse = document.querySelector('#cb-log-reverse');
const cbReverseIt = ()=>{
logTarget.classList[cbReverse.checked ? 'add' : 'remove']('reverse');
};
cbReverse.addEventListener('change',cbReverseIt,true);
cbReverseIt();
const urlParams = new URL(self.location.href).searchParams;
const workerArgs = [];
if(urlParams.has('esm')){
logHtml('warning',"Attempting to run an ES6 Worker Module, "+
"which is not supported by all browsers! "+
"e.g. Firefox (as of 2023-05) cannot do this.");
workerArgs.push("tester1.mjs",{type:"module"});
document.querySelectorAll('title,#color-target').forEach((e)=>{
e.innerText = "sqlite3 tester #1: ES6 Worker Module";
});
}else{
workerArgs.push("tester1.js?sqlite3.dir=jswasm");
}
const w = new Worker(...workerArgs);
w.onmessage = function({data}){
switch(data.type){
case 'log':
logHtml(data.payload.cssClass, ...data.payload.args);
break;
case 'error':
logHtml('error', ...data.payload.args);
break;
case 'test-result':{
document.querySelector('#color-target').classList.add(
data.payload.pass ? 'tests-pass' : 'tests-fail'
);
const e = document.querySelector('title');
e.innerText = (
data.payload.pass ? 'PASS' : 'FAIL'
) + ': ' + e.innerText;
break;
}
default:
logHtml('error',"Unhandled message:",data.type);
};
};
})();</script>
</body>
</html>