chore(build): drop webpack and use Hugo Pipes (#130)

2 files changed, 297 insertions, 0 deletions

diff --git a/assets/js/even.js b/assets/js/even.js
new file mode 100644
index 0000000..01b9200
--- /dev/null
+++ b/assets/js/even.js
@@ -0,0 +1,279 @@
+'use strict';
+
+const Even = {};
+
+Even.backToTop = function() {
+  const $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() {
+  const $mobileNav = $('#mobile-navbar');
+  const $mobileNavIcon = $('.mobile-navbar-icon');
+  const 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._initToc = function() {
+  const SPACING = 20;
+  const $toc = $('.post-toc');
+  const $footer = $('.post-footer');
+
+  if ($toc.length) {
+    const minScrollTop = $toc.offset().top - SPACING;
+    const maxScrollTop = $footer.offset().top - $toc.height() - SPACING;
+
+    const tocState = {
+      start: {
+        'position': 'absolute',
+        'top': minScrollTop,
+      },
+      process: {
+        'position': 'fixed',
+        'top': SPACING,
+      },
+      end: {
+        'position': 'absolute',
+        'top': maxScrollTop,
+      },
+    };
+
+    $(window).scroll(function() {
+      const scrollTop = $(window).scrollTop();
+
+      if (scrollTop < minScrollTop) {
+        $toc.css(tocState.start);
+      } else if (scrollTop > maxScrollTop) {
+        $toc.css(tocState.end);
+      } else {
+        $toc.css(tocState.process);
+      }
+    });
+  }
+
+  const HEADERFIX = 30;
+  const $toclink = $('.toc-link');
+  const $headerlink = $('.headerlink');
+  const $tocLinkLis = $('.post-toc-content li');
+
+  const headerlinkTop = $.map($headerlink, function(link) {
+    return $(link).offset().top;
+  });
+
+  const headerLinksOffsetForSearch = $.map(headerlinkTop, function(offset) {
+    return offset - HEADERFIX;
+  });
+
+  const searchActiveTocIndex = function(array, target) {
+    for (let i = 0; i < array.length - 1; i++) {
+      if (target > array[i] && target <= array[i + 1]) return i;
+    }
+    if (target > array[array.length - 1]) return array.length - 1;
+    return -1;
+  };
+
+  $(window).scroll(function() {
+    const scrollTop = $(window).scrollTop();
+    const activeTocIndex = searchActiveTocIndex(headerLinksOffsetForSearch, scrollTop);
+
+    $($toclink).removeClass('active');
+    $($tocLinkLis).removeClass('has-active');
+
+    if (activeTocIndex !== -1) {
+      $($toclink[activeTocIndex]).addClass('active');
+      let ancestor = $toclink[activeTocIndex].parentNode;
+      while (ancestor.tagName !== 'NAV') {
+        $(ancestor).addClass('has-active');
+        ancestor = ancestor.parentNode.parentNode;
+      }
+    }
+  });
+};
+
+Even.fancybox = function() {
+  if ($.fancybox) {
+    $('.post-content').each(function() {
+      $(this).find('img').each(function() {
+        $(this).wrap(`<a class="fancybox" href="${this.src}" data-fancybox="gallery" data-caption="${this.title}"></a>`);
+      });
+    });
+
+    $('.fancybox').fancybox({
+      selector: '.fancybox',
+      protect: true,
+    });
+  }
+};
+
+Even.highlight = function() {
+  const blocks = document.querySelectorAll('pre code');
+  for (let i = 0; i < blocks.length; i++) {
+    const block = blocks[i];
+    const rootElement = block.parentElement;
+    const lineCodes = block.innerHTML.split(/\n/);
+    if (lineCodes[lineCodes.length - 1] === '') lineCodes.pop();
+    const lineLength = lineCodes.length;
+
+    let codeLineHtml = '';
+    for (let i = 0; i < lineLength; i++) {
+      codeLineHtml += `<div class="line">${i + 1}</div>`;
+    }
+
+    let codeHtml = '';
+    for (let i = 0; i < lineLength; i++) {
+      codeHtml += `<div class="line">${lineCodes[i]}</div>`;
+    }
+
+    block.className += ' highlight';
+    const figure = document.createElement('figure');
+    figure.className = block.className;
+    figure.innerHTML = `<table><tbody><tr><td class="gutter"><pre>${codeLineHtml}</pre></td><td class="code"><pre>${codeHtml}</pre></td></tr></tbody></table>`;
+
+    rootElement.parentElement.replaceChild(figure, rootElement);
+  }
+};
+
+Even.chroma = function() {
+  const blocks = document.querySelectorAll('.highlight > .chroma');
+  for (let i = 0; i < blocks.length; i++) {
+    const block = blocks[i];
+    const afterHighLight = block.querySelector('pre.chroma > code');
+    const lang = afterHighLight ? afterHighLight.className : '';
+    block.className += ' ' + lang;
+  }
+};
+
+Even.toc = function() {
+  const tocContainer = document.getElementById('post-toc');
+  if (tocContainer !== null) {
+    const toc = document.getElementById('TableOfContents');
+    if (toc === null) {
+      // toc = true, but there are no headings
+      tocContainer.parentNode.removeChild(tocContainer);
+    } else {
+      this._refactorToc(toc);
+      this._linkToc();
+      this._initToc();
+    }
+  }
+};
+
+Even._refactorToc = function(toc) {
+  // when headings do not start with `h1`
+  const oldTocList = toc.children[0];
+  let newTocList = oldTocList;
+  let temp;
+  while (newTocList.children.length === 1
+      && (temp = newTocList.children[0].children[0]).tagName === 'UL') {
+    newTocList = temp;
+  }
+
+  if (newTocList !== oldTocList) toc.replaceChild(newTocList, oldTocList);
+};
+
+Even._linkToc = function() {
+  const links = document.querySelectorAll('#TableOfContents a:first-child');
+  for (let i = 0; i < links.length; i++) links[i].className += ' toc-link';
+
+  for (let num = 1; num <= 6; num++) {
+    const headers = document.querySelectorAll('.post-content>h' + num);
+    for (let i = 0; i < headers.length; i++) {
+      const header = headers[i];
+      header.innerHTML = `<a href="#${header.id}" class="headerlink anchor"><i class="iconfont icon-link"></i></a>${header.innerHTML}`;
+    }
+  }
+};
+
+Even.flowchart = function() {
+  if (!window.flowchart) return;
+
+  const blocks = document.querySelectorAll('pre code.language-flowchart, pre code.language-flow');
+  for (let i = 0; i < blocks.length; i++) {
+    if (!window.hljs && i % 2 === 0) continue;
+
+    const block = blocks[i];
+    const rootElement = window.hljs
+        ? block.parentElement
+        : block.parentElement.parentElement.parentElement.parentElement.parentElement.parentElement.parentElement;
+
+    const container = document.createElement('div');
+    const id = `js-flowchart-diagrams-${i}`;
+    container.id = id;
+    container.className = 'align-center';
+    rootElement.parentElement.replaceChild(container, rootElement);
+
+    const diagram = flowchart.parse(block.childNodes[0].nodeValue);
+    diagram.drawSVG(id, window.flowchartDiagramsOptions ? window.flowchartDiagramsOptions : {});
+  }
+};
+
+Even.sequence = function() {
+  if (!window.Diagram) return;
+
+  const blocks = document.querySelectorAll('pre code.language-sequence');
+  for (let i = 0; i < blocks.length; i++) {
+    if (!window.hljs && i % 2 === 0) continue;
+
+    const block = blocks[i];
+    const rootElement = window.hljs
+        ? block.parentElement
+        : block.parentElement.parentElement.parentElement.parentElement.parentElement.parentElement.parentElement;
+
+    const container = document.createElement('div');
+    const id = `js-sequence-diagrams-${i}`;
+    container.id = id;
+    container.className = 'align-center';
+    rootElement.parentElement.replaceChild(container, rootElement);
+
+    const diagram = Diagram.parse(block.childNodes[0].nodeValue);
+    diagram.drawSVG(id, window.sequenceDiagramsOptions
+        ? window.sequenceDiagramsOptions
+        : {theme: 'simple'});
+  }
+};
+
+Even.responsiveTable = function() {
+  const tables = document.querySelectorAll('.post-content > table');
+  for (let i = 0; i < tables.length; i++) {
+    const table = tables[i];
+    const wrapper = document.createElement('div');
+    wrapper.className = 'table-wrapper';
+    table.parentElement.replaceChild(wrapper, table);
+    wrapper.appendChild(table);
+  }
+};
+
diff --git a/assets/js/main.js b/assets/js/main.js
new file mode 100644
index 0000000..96db5db
--- /dev/null
+++ b/assets/js/main.js
@@ -0,0 +1,18 @@
+$(document).ready(function () {
+  Even.backToTop();
+  Even.mobileNavbar();
+  Even.toc();
+  Even.fancybox();
+});
+
+Even.responsiveTable();
+Even.flowchart();
+Even.sequence();
+
+if (window.hljs) {
+  hljs.initHighlighting();
+  Even.highlight();
+} else {
+  Even.chroma();
+}
+