重构三维实景业务

‘liusuyi’

2023-06-16 a2f6f1975b6e0eca7ae24cb19cfe30343d93fab6

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