86 lines
2.0 KiB
TypeScript
86 lines
2.0 KiB
TypeScript
import dayjs from 'dayjs';
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import utc from 'dayjs/plugin/utc';
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dayjs.extend(utc);
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/**
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* 工具函数集合
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* 包含字段处理、防抖等通用功能
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*/
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/**
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* 处理字段名，去除类型后缀
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* 例如: "字段名_类型" -> "字段名"
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*/
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export function processFieldName(field: string): string {
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if (field.includes('_')) {
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return field.split('_')[0]; // 只保留类型前面的字段名
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}
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return field;
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}
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/**
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* 处理字段数组，去除类型后缀并去重
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*/
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export function processFieldNames(fields: string[]): string[] {
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// 处理字段，去掉类型后缀
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const processedFields = fields.map(processFieldName);
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// 去重并返回
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return [...new Set(processedFields)];
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}
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/**
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* 创建防抖函数
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* @param fn 要执行的函数
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* @param delay 延迟时间（毫秒）
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*/
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export function debounce<T extends (...args: unknown[]) => unknown>(
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fn: T,
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delay: number
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): (...args: Parameters<T>) => void {
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let timer: NodeJS.Timeout | null = null;
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return function(...args: Parameters<T>) {
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if (timer) {
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clearTimeout(timer);
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}
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timer = setTimeout(() => {
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fn(...args);
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timer = null;
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}, delay);
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};
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}
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/**
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* 比较两个数组是否有实质性不同
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* 用于避免不必要的状态更新
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*/
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export function areArraysDifferent<T>(arr1: T[], arr2: T[]): boolean {
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return JSON.stringify(arr1) !== JSON.stringify(arr2);
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}
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/**
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* 查找两个数组之间的差异项
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* @returns 包含新增和删除项的对象
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*/
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export function getArrayDifference<T>(current: T[], previous: T[]): { added: T[], removed: T[] } {
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const added = current.filter(item => !previous.includes(item));
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const removed = previous.filter(item => !current.includes(item));
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return { added, removed };
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}
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// 格式化日期时间utc的格林威治时间
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export function formatDate(dateTime: string): string {
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if (!dateTime) return '';
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try {
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return dayjs(dateTime).local().format('YYYY-MM-DD HH:mm:ss');
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} catch (error) {
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console.error('日期格式化失败:', error);
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return dateTime;
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}
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}
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