修改：同步流媒体优化

liusuyi

2024-07-30 9cc1e95b63fde336ebf4df413b3d1e79ece375f0

1
2
3
4
5
export function isPromise(maybePromise) {
    return (!!maybePromise &&
        !!maybePromise.then &&
        typeof maybePromise.then === 'function');
}