57 lines
2.0 KiB
JavaScript
57 lines
2.0 KiB
JavaScript
|
// NB: this should *not* be included as a module until we have
|
||
|
|
// native support in the browsers, so that our error handler
|
||
|
|
// can catch script-loading errors.
|
||
|
|
|
||
|
|
|
||
|
|
(function(){
|
||
|
|
"use strict";
|
||
|
|
|
||
|
|
// Fallback for all uncought errors
|
||
|
|
function handleError (event, err) {
|
||
|
|
try {
|
||
|
|
var msg = document.getElementById('noVNC_fallback_errormsg');
|
||
|
|
|
||
|
|
// Only show the initial error
|
||
|
|
if (msg.hasChildNodes()) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
var div = document.createElement("div");
|
||
|
|
div.classList.add('noVNC_message');
|
||
|
|
div.appendChild(document.createTextNode(event.message));
|
||
|
|
msg.appendChild(div);
|
||
|
|
|
||
|
|
if (event.filename) {
|
||
|
|
div = document.createElement("div");
|
||
|
|
div.className = 'noVNC_location';
|
||
|
|
var text = event.filename;
|
||
|
|
if (event.lineno !== undefined) {
|
||
|
|
text += ":" + event.lineno;
|
||
|
|
if (event.colno !== undefined) {
|
||
|
|
text += ":" + event.colno;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
div.appendChild(document.createTextNode(text));
|
||
|
|
msg.appendChild(div);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (err && (err.stack !== undefined)) {
|
||
|
|
div = document.createElement("div");
|
||
|
|
div.className = 'noVNC_stack';
|
||
|
|
div.appendChild(document.createTextNode(err.stack));
|
||
|
|
msg.appendChild(div);
|
||
|
|
}
|
||
|
|
|
||
|
|
document.getElementById('noVNC_fallback_error')
|
||
|
|
.classList.add("noVNC_open");
|
||
|
|
} catch (exc) {
|
||
|
|
document.write("noVNC encountered an error.");
|
||
|
|
}
|
||
|
|
// Don't return true since this would prevent the error
|
||
|
|
// from being printed to the browser console.
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
window.addEventListener('error', function (evt) { handleError(evt, evt.error); });
|
||
|
|
window.addEventListener('unhandledrejection', function (evt) { handleError(evt.reason, evt.reason); });
|
||
|
|
})();
|