推送app位置优化在线离线

‘liusuyi’

2023-07-29 e94241fc70d1308ea88fec5b57e771c6ecad1cee

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export function isPromise(maybePromise) {
    return (!!maybePromise &&
        !!maybePromise.then &&
        typeof maybePromise.then === 'function');
}