From 3c6cb7f29631dfcdd954e7cbd5d2370efe7eb827 Mon Sep 17 00:00:00 2001
From: olOwOlo <26087907+olOwOlo@users.noreply.github.com>
Date: Sun, 27 Aug 2017 22:38:42 +0800
Subject: =?UTF-8?q?=F0=9F=8E=89=20first=20commit?=
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---
 src/js/even.js | 167 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 167 insertions(+)
 create mode 100644 src/js/even.js

(limited to 'src/js/even.js')

diff --git a/src/js/even.js b/src/js/even.js
new file mode 100644
index 0000000..5538661
--- /dev/null
+++ b/src/js/even.js
@@ -0,0 +1,167 @@
+'use strict'
+
+var Even = {}
+
+Even.backToTop = function () {
+  var $backToTop = $('#back-to-top')
+
+  $(window).scroll(function () {
+    if ($(window).scrollTop() > 100) {
+      $backToTop.fadeIn(1000)
+    } else {
+      $backToTop.fadeOut(1000)
+    }
+  })
+
+  $backToTop.click(function () {
+    $('body,html').animate({ scrollTop: 0 })
+  })
+}
+
+Even.mobileNavbar = function () {
+  var $mobileNav = $('#mobile-navbar')
+  var $mobileNavIcon = $('.mobile-navbar-icon')
+  var slideout = new Slideout({
+    'panel': document.getElementById('mobile-panel'),
+    'menu': document.getElementById('mobile-menu'),
+    'padding': 180,
+    'tolerance': 70
+  })
+  slideout.disableTouch()
+
+  $mobileNavIcon.click(function () {
+    slideout.toggle()
+  })
+
+  slideout.on('beforeopen', function () {
+    $mobileNav.addClass('fixed-open')
+    $mobileNavIcon.addClass('icon-click').removeClass('icon-out')
+  })
+
+  slideout.on('beforeclose', function () {
+    $mobileNav.removeClass('fixed-open')
+    $mobileNavIcon.addClass('icon-out').removeClass('icon-click')
+  })
+
+  $('#mobile-panel').on('touchend', function () {
+    slideout.isOpen() && $mobileNavIcon.click()
+  })
+}
+
+Even.toc = function () {
+  var SPACING = 20
+  var $toc = $('.post-toc')
+  var $footer = $('.post-footer')
+
+  if ($toc.length) {
+    var minScrollTop = $toc.offset().top - SPACING
+    var maxScrollTop = $footer.offset().top - $toc.height() - SPACING
+
+    var tocState = {
+      start: {
+        'position': 'absolute',
+        'top': minScrollTop
+      },
+      process: {
+        'position': 'fixed',
+        'top': SPACING
+      },
+      end: {
+        'position': 'absolute',
+        'top': maxScrollTop
+      }
+    }
+
+    $(window).scroll(function () {
+      var scrollTop = $(window).scrollTop()
+
+      if (scrollTop < minScrollTop) {
+        $toc.css(tocState.start)
+      } else if (scrollTop > maxScrollTop) {
+        $toc.css(tocState.end)
+      } else {
+        $toc.css(tocState.process)
+      }
+    })
+  }
+
+  var HEADERFIX = 30
+  var $toclink = $('.toc-link')
+  var $headerlink = $('.headerlink')
+
+  var headerlinkTop = $.map($headerlink, function (link) {
+    return $(link).offset().top
+  })
+
+  $(window).scroll(function () {
+    var scrollTop = $(window).scrollTop()
+
+    for (var i = 0; i < $toclink.length; i++) {
+      var isLastOne = i + 1 === $toclink.length
+      var currentTop = headerlinkTop[i] - HEADERFIX
+      var nextTop = isLastOne ? Infinity : headerlinkTop[i + 1] - HEADERFIX
+
+      if (currentTop < scrollTop && scrollTop <= nextTop) {
+        $($toclink[i]).addClass('active')
+      } else {
+        $($toclink[i]).removeClass('active')
+      }
+    }
+  })
+}
+
+Even.fancybox = function () {
+  if ($.fancybox) {
+    $('.post').each(function () {
+      $(this).find('img').each(function () {
+        $(this).wrap('<a class="fancybox" href="' + this.src + '" title="' + this.alt + '"></a>')
+      })
+    })
+
+    $('.fancybox').fancybox({
+      openEffect: 'elastic',
+      closeEffect: 'elastic'
+    })
+  }
+}
+
+Even.highlight = function () {
+  const blocks = document.querySelectorAll('pre code')
+  for (const block of blocks) {
+    const classList = block.classList
+    const rootElement = block.parentElement
+    const lineCodes = block.innerHTML.split(/\n/).slice(0, -1)
+    const lineLength = lineCodes.length
+
+    let codeLineHtml = ''
+    for (let i = 0; i < lineLength; i++) {
+      codeLineHtml += `<div class="line">${i + 1}</div>`
+    }
+
+    let codeHtml = ''
+    for (const lineCode of lineCodes) {
+      codeHtml += `<div class="line">${lineCode}</div>`
+    }
+
+    classList.add('highlight')
+    const figure = document.createElement('figure')
+    figure.classList = classList
+    figure.innerHTML = `<table><tbody><tr><td class="gutter"><pre>${codeLineHtml}</pre></td><td class="code"><pre>${codeHtml}</pre></td></tr></tbody></table>`
+
+    rootElement.parentElement.replaceChild(figure, rootElement)
+  }
+}
+
+Even.beforeToc = function () {
+  const links = document.querySelectorAll('#TableOfContents a')
+  for (const link of links) link.classList.add('toc-link')
+
+  for (const num of [1, 2, 3, 4, 5, 6]) {
+    const headers = document.querySelectorAll('.post-content>h' + num)
+    for (const header of headers) {
+      header.innerHTML = `<a href="#${header.id}" class="headerlink" title="${header.innerHTML}"></a>${header.innerHTML}`
+    }
+  }
+}
+
+export {Even}
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