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// Common JS cannot be used in frontend sadly
// sleep, ucfirst is duplicated in ../src/util-frontend.js
exports.sleep = function (ms) {
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return new Promise(resolve => setTimeout(resolve, ms));
}
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exports.ucfirst = function (str) {
if (! str) {
return str;
}
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const firstLetter = str.substr(0, 1);
return firstLetter.toUpperCase() + str.substr(1);
}