20 lines
520 B
TypeScript
20 lines
520 B
TypeScript
// @ts-nocheck
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/**
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* 检查一个值是否为字符串类型
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* @param str 要检查的值
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* @returns 如果值的类型是字符串类型，则返回 true；否则返回 false
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*/
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// #ifndef UNI-APP-X && APP
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// export const isString = (str: unknown): str is string => typeof str === 'string';
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export function isString (str: unknown): str is string {
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return typeof str == 'string'
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}
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// #endif
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// #ifdef UNI-APP-X && APP
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export function isString (str: any|null): boolean {
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return typeof str == 'string'
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}
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// #endif
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