4.4

linwenling

2023-04-04 ffc438b5d62f0a477a4271da4a9b3fc37bbf5eeb

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