145 lines
3.6 KiB
TypeScript
145 lines
3.6 KiB
TypeScript
import { formatImgUrl } from './format'
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import { analysisShortCodeApi } from './shortCode'
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import Taro from '@tarojs/taro'
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/**
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* 防抖
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* @param {*} fn
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* @param {*} delay
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* @returns
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*/
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export const debounce = (fn, delay) => {
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let timer: any = null
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return (...param) => {
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if (timer) clearTimeout(timer)
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timer = setTimeout(() => {
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fn(...param)
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}, delay)
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}
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}
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/**
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* 节流
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* @param {*} fn
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* @param {*} delay
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* @returns
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*/
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export const throttle = (fn, delay) => {
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let pre = 0
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return (...params) => {
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let now = new Date().getTime()
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if (now - pre > delay) {
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fn(...params)
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pre = now
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}
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}
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}
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/**
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* 批量过滤对象值为空的属性
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* @param {Object} val 需要过滤的对象
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* @param {Array} arr 排除过滤的属性
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* @returns
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*/
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export const getFilterData = (val = {}, arr: string[] = []) => {
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let res = {}
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for (let key in val) {
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if (val[key] !== undefined && val[key] !== null && val[key] !== '' && !arr.includes(key)) {
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if (typeof val[key] == 'number') {
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if (!isNaN(val[key])) {
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res[key] = val[key]
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}
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} else {
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res[key] = val[key]
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}
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}
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}
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return res
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}
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/**
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* 对象深拷贝
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* @param {*} object
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* @returns
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*/
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export const copyObject = (object) => {
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if (object.constructor == Object) {
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let keys = Object.keys(object)
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let newObject = {}
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keys.map((key) => {
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newObject[key] = copyObject(object[key])
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})
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return newObject
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} else if (object.constructor == Array) {
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return object.map((item) => {
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return copyObject(item)
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})
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} else {
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return object
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}
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}
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/**
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*
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* @param {*} suffix
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* !w80
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!w100
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!w160
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!w200
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!w400
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!w800
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!wh400
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!w600
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*/
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export const screenshot = (url, suffix = '!w200') => {
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return url + suffix
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}
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//获取数据加载状态 //0:数据从无到有加载数据，1，没有任何数据， 2：下拉加载，3：下拉没有数据
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export const dataLoadingStatus = ({ list = [], total = 0, status = false }: { list: any[]; total: number; status: true | false }) => {
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if (list.length == 0 && status) {
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return 0
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} else if (list.length == 0 && !status) {
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return 1
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} else if (list.length < total) {
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return 2
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} else {
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return 3
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}
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}
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//全局分享监听
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export const shareShop = () => {
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const page = Taro.getCurrentInstance().page
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//当有分享参数时，绑定上下级
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if (page && page.options?.share) {
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analysisShortCodeApi(page.options.share)
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}
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if (page && page.onShareAppMessage) {
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page.onShareAppMessage = (res) => {
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let path = ''
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let title = ''
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let imageUrl = ''
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let sortCode = Taro.getStorageSync('sort_code') ? JSON.parse(Taro.getStorageSync('sort_code')) : ''
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let pageInfo: any = page
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//商品详情分享
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if (pageInfo.route === 'pages/details/index') {
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path = `/pages/details/index?share=${sortCode.shareShortDetail.code}`
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title = sortCode.shareShortDetail.title
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imageUrl = sortCode.shareShortDetail.img
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} else {
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path =
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pageInfo.route === 'pages/user/index'
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? `/pages/user/index?share=${sortCode.shareShortPage.code}`
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: `/pages/index/index?share=${sortCode.shareShortPage.code}`
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title = sortCode.shareShortPage.title
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imageUrl = pageInfo.route === 'pages/user/index' ? sortCode.shareShortPage.img : formatImgUrl('/mall/share_img_02.png', '!w400')
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}
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return {
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title,
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path,
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imageUrl,
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}
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}
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}
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}
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