feat: 不再支持 butterfly.yml 寫法

improvement: 文章頁標題改為h1(seo)
improvement: 改用hexo 內置的 injector 插入 inject 的代碼
improvement: canonical 改為hexo提供的函數生成
improvement: 優化手機toc 的特效和按鈕出現的時機
remove: 刪除搜索不必要的配置
remove: 移除豆瓣配置,如需配置，請使用 hexo-butterfly-douban
fix: 修復上一個版本導致的搜索按鈕在pjax下無法點擊的bugs close #387
fix: 修復上一個版本更新的toc z-index 過低的bugs

scripts/tag/button.js

@@ -0,0 +1,28 @@
+/**
+ * Button
+ * {% btn url text icon option %}
+ * option: color outline center block larger
+ * color : default/blue/pink/red/purple/orange/green
+ */
+
+'use strict'
+
+const urlFor = require('hexo-util').url_for.bind(hexo)
+
+function btn (args) {
+  args = args.join(' ').split(',')
+  let url = args[0] || ''
+  let text = args[1] || ''
+  let icon = args[2] || ''
+  let option = args[3] || ''
+
+  url = url.trim()
+  text = text.trim()
+  icon = icon.trim()
+  option = option.trim()
+
+  return `<a class="btn-beautify button--animated ${option}" href="${urlFor(url)}" 
+  title="${text}">${icon.length > 0 ? `<i class="${icon} fa-fw"></i>` : ''}<span>${text}</span></a>`
+}
+
+hexo.extend.tag.register('btn', btn, { ends: false })

scripts/tag/gallery.js

@@ -0,0 +1,34 @@
+/**
+ * Butterfly
+ * galleryGroup and allery
+ */
+
+'use strict'
+
+const urlFor = require('hexo-util').url_for.bind(hexo)
+
+function gallery (args, content) {
+  return `<div class="justified-gallery">${hexo.render.renderSync({ text: content, engine: 'markdown' }).split('\n').join('')}
+          </div>`
+}
+
+function galleryGroup (args) {
+  const name = args[0]
+  const desrc = args[1]
+  const url = urlFor(args[2])
+  const img = urlFor(args[3])
+
+  return `
+  <figure class="gallery-group">
+  <img class="gallery-group-img" src='${img}'>
+  <figcaption>
+  <div class="gallery-group-name">${name}</div>
+  <p>${desrc}</p>
+  <a href='${url}'></a>
+  </figcaption>
+  </figure>
+  `
+}
+
+hexo.extend.tag.register('gallery', gallery, { ends: true })
+hexo.extend.tag.register('galleryGroup', galleryGroup)

scripts/tag/hide.js

@@ -0,0 +1,71 @@
+/**
+ * Butterfly
+ * @example
+ * hideInline
+ * {% hideInline content,display,bg,color %}
+ * content不能包含當引號，可用 '
+ * hideBlock
+ * {% hideBlock display,bg,color %}
+ * content
+ * {% endhideBlock %}
+ * hideToggle
+ * {% hideToggle display,bg,color %}
+ * content
+ * {% endhideToggle %}
+ */
+
+'use strict'
+
+function hideInline (args) {
+  args = args.join(' ').split(',')
+  const content = args[0]
+  const display = args[1] || 'Click'
+  const bg = args[2] || false
+  const color = args[3] || false
+  let group = 'style="'
+
+  if (bg) group += `background-color: ${bg};`
+  if (color) group += `color: ${color}`
+  group += '"'
+
+  return `<span class="hide-inline"><button type="button" class="hide-button button--animated" ${group}>${display}
+  </button><span class="hide-content">${content}</span></span>`
+}
+
+function hideBlock (args, content) {
+  args = args.join(' ').split(',')
+  const display = args[0] || 'Click'
+  const bg = args[1] || false
+  const color = args[2] || false
+  let group = 'style="'
+
+  if (bg) group += `background-color: ${bg};`
+  if (color) group += `color: ${color}`
+  group += '"'
+
+  return `<div class="hide-block"><button type="button" class="hide-button button--animated" ${group}>${display}
+    </button><span class="hide-content">${hexo.render.renderSync({ text: content, engine: 'markdown' })}</span></div>`
+}
+
+function hideToggle (args, content) {
+  args = args.join(' ').split(',')
+  const display = args[0]
+  const bg = args[1] || false
+  const color = args[2] || false
+  let group = 'style="'
+  let border = ''
+
+  if (bg) {
+    border = `style="border: 1px solid ${bg}"`
+    group += `background-color: ${bg};`
+  }
+  if (color) group += `color: ${color}`
+  group += '"'
+
+  return `<div class="hide-toggle" ${border}><div class="hide-button toggle-title" ${group}><i class="fas fa-caret-right fa-fw"></i><span>${display}</span></div>
+    <div class="hide-content">${hexo.render.renderSync({ text: content, engine: 'markdown' })}</div></div>`
+}
+
+hexo.extend.tag.register('hideInline', hideInline)
+hexo.extend.tag.register('hideBlock', hideBlock, { ends: true })
+hexo.extend.tag.register('hideToggle', hideToggle, { ends: true })