ext/wasm/tester1-worker.html

   1 <!doctype html>
   2 <html lang="en-us">
   3   <head>
   4     <meta charset="utf-8">
   5     <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
   6     <link rel="shortcut icon" href="data:image/x-icon;," type="image/x-icon">
   7     <link rel="stylesheet" href="../common/emscripten.css"/>
   8     <link rel="stylesheet" href="../common/testing.css"/>
   9     <title>sqlite3 tester #1: Worker thread</title>
  10     <style></style>
  11   </head>
  12   <body>
  13     <h1 id='color-target'>sqlite3 tester #1: Worker thread</h1>
  14     <div>Variants:
  15       <a href='tester1.html' target='tester1.html'>conventional UI thread</a>,
  16       <a href='tester1-worker.html' target='tester1-worker.html'>conventional worker</a>,
  17       <a href='tester1-esm.html' target='tester1-esm.html'>ESM in UI thread</a>,
  18       <a href='tester1-worker.html?esm' target='tester1-worker.html?esm'>ESM worker</a>
  19     </div>
  20     <div class='input-wrapper'>
  21       <input type='checkbox' id='cb-log-reverse'>
  22       <label for='cb-log-reverse'>Reverse log order?</label>
  23     </div>
  24     <div id='test-output'></div>
  25     <script>(function(){
  26       const logTarget = document.querySelector('#test-output');
  27       const logHtml = function(cssClass,...args){
  28         const ln = document.createElement('div');
  29         if(cssClass){
  30           for(const c of (Array.isArray(cssClass) ? cssClass : [cssClass])){
  31             ln.classList.add(c);
  32           }
  33         }
  34         ln.append(document.createTextNode(args.join(' ')));
  35         logTarget.append(ln);
  36       };
  37       const cbReverse = document.querySelector('#cb-log-reverse');
  38       const cbReverseIt = ()=>{
  39         logTarget.classList[cbReverse.checked ? 'add' : 'remove']('reverse');
  40       };
  41       cbReverse.addEventListener('change',cbReverseIt,true);
  42       cbReverseIt();
  43       const urlParams = new URL(self.location.href).searchParams;
  44       const workerArgs = [];
  45       if(urlParams.has('esm')){
  46           logHtml('warning',"Attempting to run an ES6 Worker Module, "+
  47                   "which is not supported by all browsers! "+
  48                   "e.g. Firefox (as of 2023-05) cannot do this.");
  49         workerArgs.push("tester1.mjs",{type:"module"});
  50         document.querySelectorAll('title,#color-target').forEach((e)=>{
  51           e.innerText = "sqlite3 tester #1: ES6 Worker Module";
  52         });
  53       }else{
  54         workerArgs.push("tester1.js?sqlite3.dir=jswasm");
  55       }
  56       const w = new Worker(...workerArgs);
  57       w.onmessage = function({data}){
  58         switch(data.type){
  59             case 'log':
  60               logHtml(data.payload.cssClass, ...data.payload.args);
  61               break;
  62             case 'error':
  63               logHtml('error', ...data.payload.args);
  64               break;
  65             case 'test-result':{
  66                 document.querySelector('#color-target').classList.add(
  67                     data.payload.pass ? 'tests-pass' : 'tests-fail'
  68                 );
  69                 const e = document.querySelector('title');
  70                 e.innerText = (
  71                     data.payload.pass ? 'PASS' : 'FAIL'
  72                 ) + ': ' + e.innerText;
  73                 break;
  74             }
  75             default:
  76               logHtml('error',"Unhandled message:",data.type);
  77         };
  78       };
  79     })();</script>
  80   </body>
  81 </html>