优化流媒体

‘liusuyi’

2023-10-21 3f76a7c7ab25e2b37492073dc80bb5f0f0d8f40f

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