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// @ts-nocheck
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/**
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* 检查一个值是否已定义（不为 undefined）且不为 null
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* @param value 要检查的值
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* @returns 如果值已定义且不为 null，则返回 true；否则返回 false
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*/
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export function isDef(value: unknown): boolean {
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return value !== undefined && value !== null;
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} |
