converse-built/node_modules/localforage-driver-commons/_bundle/esm5/getCallback.js

export function getCallback() {
    var _args = [];
    for (var _i = 0; _i < arguments.length; _i++) {
        _args[_i] = arguments[_i];
    }
    if (arguments.length && typeof arguments[arguments.length - 1] === 'function') {
        return arguments[arguments.length - 1];
    }
}
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