mirror of
https://github.com/jerryc127/hexo-theme-butterfly.git
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8014ddb65e
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
64 lines
1.9 KiB
JavaScript
64 lines
1.9 KiB
JavaScript
/**
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* Butterfly
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* @example
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* page_description()
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* cloudTags(source, minfontsize, maxfontsize, limit)
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*/
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'use strict'
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const { stripHTML, escapeHTML, prettyUrls } = require('hexo-util')
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const crypto = require('crypto')
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hexo.extend.helper.register('page_description', function () {
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const { config, page } = this
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let description = page.description || page.content || page.title || config.description
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if (description) {
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description = escapeHTML(stripHTML(description).substring(0, 200)
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.trim()
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).replace(/\n/g, ' ')
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return description
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}
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})
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hexo.extend.helper.register('cloudTags', function (options = {}) {
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const env = this
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let source = options.source
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const minfontsize = options.minfontsize
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const maxfontsize = options.maxfontsize
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const limit = options.limit
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const unit = options.unit || 'px'
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let result = ''
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if (limit > 0) {
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source = source.limit(limit)
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}
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const sizes = []
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source.sort('length').forEach(tag => {
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const { length } = tag
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if (sizes.includes(length)) return
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sizes.push(length)
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})
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const length = sizes.length - 1
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source.forEach(tag => {
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const ratio = length ? sizes.indexOf(tag.length) / length : 0
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const size = minfontsize + ((maxfontsize - minfontsize) * ratio)
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let style = `font-size: ${parseFloat(size.toFixed(2))}${unit};`
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const color = 'rgb(' + Math.floor(Math.random() * 201) + ', ' + Math.floor(Math.random() * 201) + ', ' + Math.floor(Math.random() * 201) + ')' // 0,0,0 -> 200,200,200
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style += ` color: ${color}`
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result += `<a href="${env.url_for(tag.path)}" style="${style}">${tag.name}</a>`
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})
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return result
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})
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hexo.extend.helper.register('urlNoIndex', function () {
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return prettyUrls(this.url, { trailing_index: false, trailing_html: false })
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})
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hexo.extend.helper.register('md5', function (path) {
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return crypto.createHash('md5').update(decodeURI(this.url_for(path))).digest('hex')
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})
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