Merge branch 'dev-1.1.2' of http://120.26.58.240:8888/r/flexJobAdmin into d...

zhengyiming

6 天以前 5eb708efd67798bb5b0dccd45d932b98b85462d3

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export function isDef<T = unknown>(val?: T): val is T {
  return typeof val !== 'undefined';
}