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31 lines
640 B
31 lines
640 B
/**
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* 判断字符串是否为有效的JSON格式
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* @param str 要检测的字符串
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* @returns boolean
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*/
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export function isValidJSON(str: string): boolean {
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if (typeof str !== 'string' || str.trim() === '') {
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return false;
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}
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try {
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JSON.parse(str);
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return true;
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} catch (error) {
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return false;
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}
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}
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/**
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* 安全解析JSON，失败时返回默认值
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* @param str JSON字符串
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* @param defaultValue 默认值
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* @returns 解析结果或默认值
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*/
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export function safeJSONParse<T>(str: string, defaultValue: T): T {
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try {
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return JSON.parse(str);
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} catch (error) {
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return defaultValue;
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}
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}
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