/* eslint-disable */

var customSearch;

(function ($) {

"use strict";

// 校正页面定位（被导航栏挡住的区域）

var scrollCorrection = 80; // (header height = 64px) + (gap = 16px)

var $headerAnchor = $('.l_header', '.cover-wrapper');

if ($headerAnchor[0]) {

scrollCorrection = $headerAnchor[0].clientHeight + 16;

}

// 尝试： 重设数据值

function restData() {

scrollCorrection = 80;

$headerAnchor = $('.l_header', '.cover-wrapper');

if ($headerAnchor[0]) {

scrollCorrection = $headerAnchor[0].clientHeight + 16;

}

}

// 校正页面定位（被导航栏挡住的区域）

function scrolltoElement(elem, correction = scrollCorrection) {

const $elem = elem.href ? $(decodeURI(elem.getAttribute('href'))) : $(elem);

$('html, body').animate({

'scrollTop': $elem.offset().top - correction

}, 500);

}

// 设置滚动锚点

function setScrollAnchor() {

const $postsBtn = $('.menu .active'); // 一级导航上的当前激活的按钮

const $topBtn = $('.s-top'); // 向上

const $titleBtn = $('h1.title', '#header-meta'); // 文章内标题

const $bodyAnchor = $('.l_body'); // 页面主体

if ($postsBtn.length && $bodyAnchor) {

$postsBtn.click(e => {

e.preventDefault();

e.stopPropagation();

if($postsBtn.attr("href") != "/") // TODO: fix it

scrolltoElement($bodyAnchor);

e.stopImmediatePropagation();

$postsBtn.unbind('click');

});

}

if ($titleBtn.length && $bodyAnchor) {

$titleBtn.click(e => {

e.preventDefault();

e.stopPropagation();

scrolltoElement($bodyAnchor);

e.stopImmediatePropagation();

$titleBtn.unbind('click');

});

}

if ($topBtn.length && $bodyAnchor) {

$topBtn.click(e => {

e.preventDefault();

e.stopPropagation();

scrolltoElement($bodyAnchor);

e.stopImmediatePropagation();

});

}

//==========================================

const $coverAnchor = $('.cover-wrapper');

var enableCover = $('#pjax-enable-cover').text(); // Pjax 处理

var showHeaderPoint = 0;

if ($coverAnchor[0]) {

if(enableCover == "true" && $('.cover.half').css('display') !== 'none') // Pjax 处理

showHeaderPoint = $coverAnchor[0].clientHeight - 180;

}

var pos = document.body.scrollTop;

if(enableCover == "true" && $('.cover.half').css('display') === 'none')

pos += 180; // Pjax 处理

$(document, window).scroll(() => {

let scrollTop = $(window).scrollTop(); // 滚动条距离顶部的距离

if(enableCover == "true" && $('.cover.half').css('display') === 'none')

scrollTop += 180; // Pjax 处理

const del = scrollTop - pos;

pos = scrollTop;

if (scrollTop > 180) {

$topBtn.addClass('show');

if (del > 0) {

$topBtn.removeClass('hl');

} else {

$topBtn.addClass('hl');

}

} else {

$topBtn.removeClass('show').removeClass('hl');

}

if (scrollTop > showHeaderPoint) {

$headerAnchor.addClass('show');

} else {

$headerAnchor.removeClass('show');

}

});

//==========================================

}

// 设置导航栏

function setHeader() {

var HEXO_ISPAGE = $.trim($('#pjax-ispage').text());

if(HEXO_ISPAGE == 'true')

window.subData = {

title: $.trim($('#pjax-pageTitle').text()),

tools: true

}

if (!window.subData) return;

const $wrapper = $('header .wrapper'); // 整个导航栏

const $comment = $('.s-comment', $wrapper); // 评论按钮 桌面端 移动端

const $toc = $('.s-toc', $wrapper); // 目录按钮 仅移动端

$wrapper.find('.nav-sub .title').text(window.subData.title); // 二级导航文章标题

// 决定一二级导航栏的切换

let pos = document.body.scrollTop;

$(document, window).scroll(() => {

const scrollTop = $(window).scrollTop();

const del = scrollTop - pos;

if (del >= 50 && scrollTop > 100) {

pos = scrollTop;

$wrapper.addClass('sub');

} else if (del <= -50) {

pos = scrollTop;

$wrapper.removeClass('sub'); // <---- 取消二级导航显示

}

});

// bind events to every btn

let $commentTarget = $('.l_body .comments'); // 评论区域

if ($commentTarget.length) {

$comment.click(e => { // 评论按钮点击后 跳转到评论区域

e.preventDefault();

e.stopPropagation();

scrolltoElement($('.l_body .comments'));

e.stopImmediatePropagation();

});

} else $comment.remove(); // 关闭了评论，则隐藏

const $tocTarget = $('.l_body .toc-wrapper'); // 侧边栏的目录列表 PC

if ($tocTarget.length && $tocTarget.children().length) {

$toc.click((e) => {

e.stopPropagation();

$tocTarget.toggleClass('active');

$toc.toggleClass('active');

});

$(document).click(function (e) {

e.stopPropagation();

$tocTarget.removeClass('active');

$toc.removeClass('active');

});

$(document, window).scroll(() => {

$tocTarget.removeClass('active');

$toc.removeClass('active');

});

} else $toc.remove();

}

// 设置导航栏菜单选中状态

function setHeaderMenuSelection() {

var $headerMenu = $('body .navigation');

// 先把已经激活的取消激活

$headerMenu.find('li a.active').removeClass('active');

$headerMenu.find('div a.active').removeClass('active');

// var $underline = $headerMenu.find('.underline');

function setUnderline($item) {

// if (!transition) $underline.addClass('disable-trans');

if ($item && $item.length) {

$item.addClass('active').siblings().removeClass('active');

}

}

//set current active nav

var $active_link = null;

// replace '%' '/' '.'

var idname = location.pathname.replace(/\/|%|\./g, "");

if (idname.length == 0) {

idname = "home";

}

var page = idname.match(/page\d{0,}$/g);

if (page) {

page = page[0];

idname = idname.split(page)[0];

}

var index = idname.match(/index.html/);

if (index) {

index = index[0];

idname = idname.split(index)[0];

}

if (idname && $headerMenu) {

$active_link = $('#' + idname, $headerMenu);

setUnderline($active_link);

}

}

// 设置全局事件

function setGlobalHeaderMenuEvent() {

// PC端 hover时展开子菜单，点击时隐藏子菜单

$('.m-pc li > a[href]').parent().click(function (e) {

e.stopPropagation();

$('.m-pc .list-v').hide();

});

// 手机端 点击展开子菜单

$('.m-phone li').click(function (e) {

e.stopPropagation();

$($(e.currentTarget).children('ul')).show();

});

setPageHeaderMenuEvent();

}

function setPageHeaderMenuEvent() {

// 手机端 点击空白处隐藏子菜单

$(document).click(function (e) {

$('.m-phone .list-v').hide();

});

// 手机端 滚动时隐藏子菜单

$(window).scroll(() => {

$('.m-phone .list-v').hide();

});

}

// 设置导航栏搜索框 fix √

function setHeaderSearch() {

var $switcher = $('.l_header .switcher .s-search'); // 搜索按钮 移动端

var $header = $('.l_header'); // 移动端导航栏

var $search = $('.l_header .m_search'); // 搜索框 桌面端

if ($switcher.length === 0) return;

$switcher.click(function (e) {

e.stopPropagation();

$header.toggleClass('z_search-open'); // 激活移动端搜索框

$switcher.toggleClass('active'); // 搜索按钮

$search.find('input').focus();

});

$(document).click(function (e) {

$header.removeClass('z_search-open');

$switcher.removeClass('active');

});

$search.click(function (e) {

e.stopPropagation();

});

$header.ready(function () {

$header.bind('keydown', function (event) {

if (event.keyCode == 9) {

return false;

} else {

var isie = (document.all) ? true : false;

var key;

var ev;

if (isie) { //IE浏览器

key = window.event.keyCode;

ev = window.event;

} else { //火狐浏览器

key = event.which;

ev = event;

}

if (key == 9) { //IE浏览器

if (isie) {

ev.keyCode = 0;

ev.returnValue = false;

} else { //火狐浏览器

ev.which = 0;

ev.preventDefault();

}

}

}

});

});

}

// 设置导航栏搜索框

function setTocToggle() {

const $toc = $('.toc-wrapper'); // 侧边栏 TOC 移动端

if ($toc.length === 0) return;

$toc.click((e) => {

e.stopPropagation();

$toc.addClass('active');

});

$(document).click(() => $toc.removeClass('active'));

$toc.on('click', 'a', (e) => {

e.preventDefault();

e.stopPropagation();

if (e.target.tagName === 'A') {

scrolltoElement(e.target, 0);

} else if (e.target.tagName === 'SPAN') {

scrolltoElement(e.target.parentElement, 0);

}

$toc.removeClass('active');

const $tocBtn = $('.s-toc');

if ($tocBtn.length > 0) {

$tocBtn.removeClass('active');

}

});

let liElements = Array.from($toc.find('li a'));

//function animate above will convert float to int.

let getAnchor = () => liElements.map(elem => Math.floor($(decodeURI(elem.getAttribute('href'))).offset().top - scrollCorrection));

let anchor = getAnchor();

let domHeigth = $(document).height();

let scrollListener = () => {

let scrollTop = $('html').scrollTop() || $('body').scrollTop();

if ($(document).height() != domHeigth) { // dom 高度发生变化： 普遍来说，是图片懒加载造成的

scrollTop = $('html').scrollTop() || $('body').scrollTop();

domHeigth = $(document).height();

anchor = getAnchor();

}

if (!anchor) return;

//binary search.

let l = 0,

r = anchor.length - 1,

mid;

while (l < r) {

mid = (l + r + 1) >> 1;

if (anchor[mid] === scrollTop) l = r = mid;

else if (anchor[mid] < scrollTop) l = mid;

else r = mid - 1;

}

$(liElements).removeClass('active').eq(l).addClass('active');

};

$(window).scroll(() => {

scrollListener();

});

// 监听窗口改变事件

let resizeTimer = null;

$(window).bind('resize', function (){

if (resizeTimer) clearTimeout(resizeTimer);

resizeTimer = setTimeout(function(){

anchor = getAnchor();

scrollListener();

} , 100);

});

scrollListener();

}

// 设置搜索服务

function setSearchService() {

if (SEARCH_SERVICE === 'google') {

customSearch = new GoogleCustomSearch({

apiKey: GOOGLE_CUSTOM_SEARCH_API_KEY,

engineId: GOOGLE_CUSTOM_SEARCH_ENGINE_ID,

imagePath: "/img/"

});

} else if (SEARCH_SERVICE === 'algolia') {

customSearch = new AlgoliaSearch({

apiKey: ALGOLIA_API_KEY,

appId: ALGOLIA_APP_ID,

indexName: ALGOLIA_INDEX_NAME,

imagePath: "/img/"

});

} else if (SEARCH_SERVICE === 'hexo') {

customSearch = new HexoSearch({

imagePath: "/img/"

});

} else if (SEARCH_SERVICE === 'azure') {

customSearch = new AzureSearch({

serviceName: AZURE_SERVICE_NAME,

indexName: AZURE_INDEX_NAME,

queryKey: AZURE_QUERY_KEY,

imagePath: "/img/"

});

} else if (SEARCH_SERVICE === 'baidu') {

customSearch = new BaiduSearch({

apiId: BAIDU_API_ID,

imagePath: "/img/"

});

}

}

// 设置 tabs 标签

function setTabs() {

const $tabs = $('.tabs');

if ($tabs.length === 0) return;

let $navs = $tabs.find('.nav-tabs .tab');

for (var i = 0; i < $navs.length; i++) {

let $a = $tabs.find($navs[i].children[0]);

$a.addClass($a.attr("href"));

$a.removeAttr('href');

}

$('.tabs .nav-tabs').on('click', 'a', (e) => {

e.preventDefault();

e.stopPropagation();

let $tab = $(e.target.parentElement.parentElement.parentElement);

$tab.find('.nav-tabs .active').removeClass('active');

$tab.find(e.target.parentElement).addClass('active');

$tab.find('.tab-content .active').removeClass('active');

$tab.find($(e.target).attr("class")).addClass('active');

return false;

});

}

$(function () {

setHeader();

setHeaderMenuSelection();

setGlobalHeaderMenuEvent();

setHeaderSearch();

setTocToggle();

setScrollAnchor();

setSearchService();

setTabs();

// 全屏封面底部箭头

$('.scroll-down').on('click', function () {

scrolltoElement('.l_body');

});

try {

// addEventListener是先绑定先执行，此处的绑定后执行

document.addEventListener('pjax:complete', function () {

$(function () {

restData();

setHeader();

setHeaderMenuSelection();

setPageHeaderMenuEvent();

setTocToggle();

setScrollAnchor();

setTabs();

// 处理点击事件 setHeaderSearch 没有重载，需要重新绑定单个事件

var $switcher = $('.l_header .switcher .s-search'); // 搜索按钮 移动端

var $header = $('.l_header'); // 移动端导航栏

if ($switcher.length !== 0) {

$(document).click(function (e) {

$header.removeClass('z_search-open');

$switcher.removeClass('active');

});

}

});

});

} catch (error) {

// console.log(error);

}

});

})(jQuery);

/*锚点定位*/

if(window.location.hash){

var checkExist = setInterval(function() {

if (typeof jQuery == 'undefined'){return;}

if ($("#"+decodeURI(window.location.hash.split("#")[1]).replace(/\ /g,"-")).length) {

$('html, body').animate({scrollTop: $("#"+decodeURI(window.location.hash.split("#")[1]).replace(/\ /g,"-")).offset().top-40}, 500);

clearInterval(checkExist);

}

}, 100);

}