新增 财产备忘本

linwenling

2023-08-08 b3ddacf9a9742276e76c0aa8bfa67fcdd6e1d7fe

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