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<head>
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<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Log output</title>
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<script>
var allSFCLoaded = window.loadComponent('u-toast', '/sfc');
</script>
<style>
pre.code {
padding: 0.2em;
font-size: 0.75rem;
line-height: 1.2;
background-color: #fffff8;
color: black;
border: 1px solid black;
overflow-x: hidden;
overflow-y: scroll;
}
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<body style="margin:0;padding:0">
<u-toast></u-toast>
<div class="u-header">
<h1>Log output</h1>
</div>
<div class="u-navbar">
<a href="/">Home</a>
<a href="/board.htm">Board</a>
<a href="/microide.htm">IDE</a>
<a href="/log.htm">Log</a>
<span class="gap"></span>
<button id="clearButton">clear</button>
</div>
<pre class="code" id="logtext"></pre>
<script>
var clearObj = document.getElementById('clearButton');
var logTextObj = document.getElementById('logtext');
var toastObj = document.querySelector('u-toast');
var lastText = "";
function appendLog(logtext) {
var newText = logtext;
if (logtext == lastText) {
return;
} else if ((lastText.length > 0) && (logtext.lastIndexOf(lastText, 0) === 0)) {
newText = logtext.substring(lastText.length);
}
lastText = logtext;
logTextObj.insertAdjacentText('beforeend', newText);
logTextObj.scrollTop = logTextObj.scrollHeight;
}
async function updateLog() {
fetchText('/log.txt')
.then(function(txt) {
appendLog(txt);
});
}
window.addEventListener('load', async function() {
await fetchText('/log_old.txt')
.then(function(txt) {
appendLog(txt);
});
await updateLog();
window.setInterval(updateLog, 1000);
clearObj.addEventListener('click', async () => {
toastObj.info('deleting log files...');
await fetch("/log_old.txt", { method: 'DELETE' });
await fetch("/log.txt", { method: 'DELETE' });
toastObj.info('log files deleted.');
});
});
</script>
</body>
</html>