2022-05-18 20:14:24 +03:00
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<!doctype html>
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<html lang="en-us">
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<head>
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<meta charset="utf-8">
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<title>sqlite3 fiddle</title>
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<style>
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.emscripten { padding-right: 0; margin-left: auto; margin-right: auto; display: block; }
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textarea { font-family: monospace; }
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div.emscripten { text-align: center; }
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div.emscripten_border { border: 1px solid black; }
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.spinner {
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height: 50px;
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width: 50px;
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margin: 0px auto;
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animation: rotation 0.8s linear infinite;
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border-left: 10px solid rgb(0,150,240);
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border-right: 10px solid rgb(0,150,240);
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border-bottom: 10px solid rgb(0,150,240);
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border-top: 10px solid rgb(100,0,200);
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border-radius: 100%;
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background-color: rgb(200,100,250);
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}
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@keyframes rotation {
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from {transform: rotate(0deg);}
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to {transform: rotate(360deg);}
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}
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body > header {
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font-size: 130%;
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font-weight: bold;
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}
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#main-wrapper {
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display: flex;
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flex-direction: column;
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}
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#main-wrapper.side-by-side {
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flex-direction: row;
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}
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.ta-wrapper{
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display: flex;
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flex-direction: column;
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align-items: stretch;
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flex: 1 1 auto;
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}
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.button-bar {
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display: flex;
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justify-content: center;
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}
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.button-bar button {
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margin: 0.25em 1em;
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}
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2022-05-18 20:22:02 +03:00
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label {
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cursor: pointer;
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}
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2022-05-18 20:14:24 +03:00
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</style>
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</head>
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<body>
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<header>sqlite3 fiddle</header>
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<figure style="overflow:visible;" id="spinner"><div class="spinner"></div><center style="margin-top:0.5em"><strong>emscripten</strong></center></figure>
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<div class="emscripten" id="status">Downloading...</div>
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<div class="emscripten">
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<progress value="0" max="100" id="progress" hidden='1'></progress>
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</div>
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<div id='main-wrapper'>
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<div class='ta-wrapper'>
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<textarea id="input" rows="8">-- Use ctrl-enter or shift-enter to execute SQL
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2022-05-18 20:22:02 +03:00
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.nullvalue NULL
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2022-05-18 20:14:24 +03:00
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.mode box
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create table t(a,b);
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insert into t(a,b) values('abc',123),('def',456),(NULL,789),('ghi',012);
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select * from t;</textarea>
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<div class='button-bar'>
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<button id='btn-run' disabled>Run</button>
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<button id='btn-clear' disabled>Clear</button>
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</div>
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</div>
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<div class='ta-wrapper'>
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2022-05-18 20:22:02 +03:00
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<textarea id="output" readonly rows="18"></textarea>
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2022-05-18 20:14:24 +03:00
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<div class='button-bar'>
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<button id='btn-clear-output' disabled>Clear</button>
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</div>
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</div>
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</div>
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<fieldset>
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<legend>Options</legend>
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<div class=''>
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<input type='checkbox' id='opt-cb-sbs'>
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<label for='opt-cb-sbs'>Side-by-side</label>
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</div>
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</fieldset>
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<hr>
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<script type='text/javascript'>
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(function(){
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/**
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Callback for the emscripten module init process, gets
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passed the module object after all parts of the module
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have been loaded and initialized.
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*/
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const doAppSetup = function(Module) {
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const taInput = document.querySelector('#input');
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const btnClearIn = document.querySelector('#btn-clear');
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document.querySelectorAll('button').forEach(function(e){
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e.removeAttribute('disabled');
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});
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btnClearIn.addEventListener('click',function(){
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taInput.value = '';
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},false);
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// Ctrl-enter and shift-enter both run the current SQL.
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taInput.addEventListener('keydown',function(ev){
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if((ev.ctrlKey || ev.shiftKey) && 13 === ev.keyCode){
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ev.preventDefault();
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ev.stopPropagation();
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btnRun.click();
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}
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}, false);
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const taOutput = document.querySelector('#output');
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const btnClearOut = document.querySelector('#btn-clear-output');
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btnClearOut.addEventListener('click',function(){
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taOutput.value = '';
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},false);
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const doExec = Module.cwrap('fiddle_exec', null, ['string']);
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const btnRun = document.querySelector('#btn-run');
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btnRun.addEventListener('click',function(){
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const sql = taInput.value.trim();
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if(sql){
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doExec(sql);
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}
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},false);
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doExec()/*sets up the db and outputs the header*/;
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let e = document.querySelector('#opt-cb-sbs');
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const mainWrapper = document.querySelector('#main-wrapper');
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e.addEventListener('change', function(){
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mainWrapper.classList[this.checked ? 'add' : 'remove']('side-by-side');
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}, false);
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};
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/**
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What follow is part of the emscripten core setup. Do not modify without
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understanding what it's doing...
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*/
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var statusElement = document.getElementById('status');
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var progressElement = document.getElementById('progress');
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var spinnerElement = document.getElementById('spinner');
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window.Module = {
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preRun: [],
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postRun: [],
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onRuntimeInitialized: function(){
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doAppSetup(this);
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},
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print: (function f() {
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if(!f._){
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f._ = document.getElementById('output');
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}
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f._.value = ''; // clear browser cache
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return function(text) {
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if (arguments.length > 1) text = Array.prototype.slice.call(arguments).join(' ');
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// These replacements are necessary if you render to raw HTML
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//text = text.replace(/&/g, "&");
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//text = text.replace(/</g, "<");
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//text = text.replace(/>/g, ">");
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//text = text.replace('\n', '<br>', 'g');
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//console.log("arguments",arguments);
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console.log(text);
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f._.value += text + "\n";
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f._.scrollTop = f._.scrollHeight; // focus on bottom
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};
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})(),
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setStatus: function(text) {
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if (!Module.setStatus.last) Module.setStatus.last = { time: Date.now(), text: '' };
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if (text === Module.setStatus.last.text) return;
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var m = text.match(/([^(]+)\((\d+(\.\d+)?)\/(\d+)\)/);
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var now = Date.now();
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if (m && now - Module.setStatus.last.time < 30) return; // if this is a progress update, skip it if too soon
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Module.setStatus.last.time = now;
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Module.setStatus.last.text = text;
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if (m) {
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text = m[1];
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progressElement.value = parseInt(m[2])*100;
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progressElement.max = parseInt(m[4])*100;
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progressElement.hidden = false;
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spinnerElement.hidden = false;
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} else {
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progressElement.value = null;
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progressElement.max = null;
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progressElement.hidden = true;
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if (!text) spinnerElement.hidden = true;
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}
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statusElement.innerHTML = text;
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},
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totalDependencies: 0,
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monitorRunDependencies: function(left) {
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this.totalDependencies = Math.max(this.totalDependencies, left);
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Module.setStatus(left ? 'Preparing... (' + (this.totalDependencies-left) + '/' + this.totalDependencies + ')' : 'All downloads complete.');
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}
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};
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Module.printErr = Module.print/*redirect stderr*/;
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Module.setStatus('Downloading...');
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window.onerror = function() {
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Module.setStatus('Exception thrown, see JavaScript console');
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spinnerElement.style.display = 'none';
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Module.setStatus = function(text) {
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if (text) console.error('[post-exception status] ' + text);
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};
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};
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})();
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</script>
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{{{ SCRIPT }}}
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</body>
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</html>
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