流媒体区分转码和不转码

‘liusuyi’

2023-08-12 e82cfae81d016a5171224f1358eba663d2f60c68

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