254 lines
6.7 KiB
JavaScript
254 lines
6.7 KiB
JavaScript
/**
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* Created by jiachenpan on 16/11/18.
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*/
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export function parseTime(time, cFormat) {
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if (arguments.length === 0) {
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return null;
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}
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const format = cFormat || '{y}-{m}-{d} {h}:{i}:{s}';
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let date;
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if (typeof time == 'object') {
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date = time;
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} else {
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if (('' + time).length === 10) time = parseInt(time) * 1000;
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date = new Date(time);
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}
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const formatObj = {
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y: date.getFullYear(),
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m: date.getMonth() + 1,
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d: date.getDate(),
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h: date.getHours(),
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i: date.getMinutes(),
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s: date.getSeconds(),
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a: date.getDay()
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};
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const time_str = format.replace(/{(y|m|d|h|i|s|a)+}/g, (result, key) => {
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let value = formatObj[key];
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if (key === 'a') return ['一', '二', '三', '四', '五', '六', '日'][value - 1];
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if (result.length > 0 && value < 10) {
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value = '0' + value;
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}
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return value || 0;
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});
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return time_str;
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}
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export function formatTime(time, option) {
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time = +time * 1000;
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const d = new Date(time);
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const now = Date.now();
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const diff = (now - d) / 1000;
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if (diff < 30) {
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return '刚刚'
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} else if (diff < 3600) { // less 1 hour
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return Math.ceil(diff / 60) + '分钟前'
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} else if (diff < 3600 * 24) {
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return Math.ceil(diff / 3600) + '小时前'
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} else if (diff < 3600 * 24 * 2) {
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return '1天前'
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}
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if (option) {
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return parseTime(time, option)
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} else {
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return d.getMonth() + 1 + '月' + d.getDate() + '日' + d.getHours() + '时' + d.getMinutes() + '分'
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}
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}
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// 格式化时间
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export function getQueryObject(url) {
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url = url == null ? window.location.href : url;
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const search = url.substring(url.lastIndexOf('?') + 1);
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const obj = {};
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const reg = /([^?&=]+)=([^?&=]*)/g;
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search.replace(reg, (rs, $1, $2) => {
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const name = decodeURIComponent($1);
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let val = decodeURIComponent($2);
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val = String(val);
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obj[name] = val;
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return rs;
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});
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return obj;
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}
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/**
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*get getByteLen
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* @param {Sting} val input value
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* @returns {number} output value
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*/
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export function getByteLen(val) {
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let len = 0;
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for (let i = 0; i < val.length; i++) {
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if (val[i].match(/[^\x00-\xff]/ig) != null) {
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len += 1;
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} else { len += 0.5; }
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}
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return Math.floor(len);
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}
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export function cleanArray(actual) {
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const newArray = [];
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for (let i = 0; i < actual.length; i++) {
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if (actual[i]) {
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newArray.push(actual[i]);
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}
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}
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return newArray;
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}
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export function param(json) {
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if (!json) return '';
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return cleanArray(Object.keys(json).map(key => {
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if (json[key] === undefined) return '';
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return encodeURIComponent(key) + '=' +
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encodeURIComponent(json[key]);
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})).join('&');
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}
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export function param2Obj(url) {
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const search = url.split('?')[1];
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if (search !== undefined) {
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return JSON.parse('{"' + decodeURIComponent(search).replace(/"/g, '\\"').replace(/&/g, '","').replace(/=/g, '":"') + '"}');
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}
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return {};
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}
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export function html2Text(val) {
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const div = document.createElement('div');
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div.innerHTML = val;
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return div.textContent || div.innerText;
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}
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export function objectMerge(target, source) {
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/* Merges two objects,
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giving the last one precedence */
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if (typeof target !== 'object') {
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target = {};
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}
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if (Array.isArray(source)) {
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return source.slice();
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}
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for (const property in source) {
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if (source.hasOwnProperty(property)) {
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const sourceProperty = source[property];
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if (typeof sourceProperty === 'object') {
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target[property] = objectMerge(target[property], sourceProperty);
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continue;
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}
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target[property] = sourceProperty;
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}
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}
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return target;
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}
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export function scrollTo(element, to, duration) {
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if (duration <= 0) return;
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const difference = to - element.scrollTop;
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const perTick = difference / duration * 10;
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setTimeout(() => {
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console.log(new Date())
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element.scrollTop = element.scrollTop + perTick;
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if (element.scrollTop === to) return;
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scrollTo(element, to, duration - 10);
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}, 10);
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}
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export function toggleClass(element, className) {
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if (!element || !className) {
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return;
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}
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let classString = element.className;
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const nameIndex = classString.indexOf(className);
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if (nameIndex === -1) {
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classString += '' + className;
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} else {
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classString = classString.substr(0, nameIndex) + classString.substr(nameIndex + className.length);
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}
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element.className = classString;
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}
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export const pickerOptions = [
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{
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text: '今天',
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onClick(picker) {
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const end = new Date();
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const start = new Date(new Date().toDateString());
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end.setTime(start.getTime());
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picker.$emit('pick', [start, end]);
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}
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}, {
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text: '最近一周',
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onClick(picker) {
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const end = new Date(new Date().toDateString());
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const start = new Date();
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start.setTime(end.getTime() - 3600 * 1000 * 24 * 7);
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picker.$emit('pick', [start, end]);
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}
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}, {
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text: '最近一个月',
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onClick(picker) {
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const end = new Date(new Date().toDateString());
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const start = new Date();
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start.setTime(start.getTime() - 3600 * 1000 * 24 * 30);
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picker.$emit('pick', [start, end]);
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}
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}, {
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text: '最近三个月',
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onClick(picker) {
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const end = new Date(new Date().toDateString());
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const start = new Date();
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start.setTime(start.getTime() - 3600 * 1000 * 24 * 90);
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picker.$emit('pick', [start, end]);
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}
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}]
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export function getTime(type) {
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if (type === 'start') {
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return new Date().getTime() - 3600 * 1000 * 24 * 90
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} else {
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return new Date(new Date().toDateString())
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}
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}
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export function debounce(func, wait, immediate) {
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let timeout, args, context, timestamp, result;
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const later = function() {
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// 据上一次触发时间间隔
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const last = +new Date() - timestamp;
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// 上次被包装函数被调用时间间隔last小于设定时间间隔wait
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if (last < wait && last > 0) {
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timeout = setTimeout(later, wait - last);
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} else {
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timeout = null;
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// 如果设定为immediate===true，因为开始边界已经调用过了此处无需调用
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if (!immediate) {
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result = func.apply(context, args);
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if (!timeout) context = args = null;
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}
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}
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};
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return function(...args) {
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context = this;
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timestamp = +new Date();
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const callNow = immediate && !timeout;
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// 如果延时不存在，重新设定延时
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if (!timeout) timeout = setTimeout(later, wait);
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if (callNow) {
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result = func.apply(context, args);
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context = args = null;
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}
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return result;
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};
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}
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