14 lines
251 B
TypeScript
14 lines
251 B
TypeScript
/**
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* 判断 Undefined
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* @param val 值
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*/
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export declare function isUndefined(val: any): val is undefined;
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declare module './ctor' {
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interface XEUtilsMethods {
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isUndefined: typeof isUndefined;
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}
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}
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export default isUndefined
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