Having looked at the code a bit between meetings, maybe the unsaved data
indicator could be handled by a plugin. Something like (pseudocode):
$tw.settings.heartbeat.indicator = setInterval(function () {
if there is an '$:/plugins/OokTech/Bob/Unsent' tiddler with content {
$tw.utils.toggleClass(document.body,"tc-dirty",true);
} else {
$tw.utils.toggleClass(document.body,"tc-dirty",false);
}
}, $tw.settings.heartbeat.interval);
"with content" is interesting. Unsent is sometimes non-existent, sometimes
it contains only "[]", and other times I think it contains JSON.
I'm not certain of any of this. It's been years since I wrote any real
code.
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