电磁锁报警查询提交

zhangnaisong

2024-07-26 b468cde8bfd9d6e1d7ae7ccc535fc7e8ffb9f818

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