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89 lines
2.7 KiB
89 lines
2.7 KiB
7 months ago
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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, 150)
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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, minfontsize, maxfontsize, limit, unit, orderby, order } = options
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unit = 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.sort(orderby, order).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 (url = null, trailingIndex = false, trailingHtml = false) {
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return prettyUrls(url || this.url, { trailing_index: trailingIndex, trailing_html: trailingHtml })
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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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hexo.extend.helper.register('injectHtml', function (data) {
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if (!data) return ''
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return data.join('')
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})
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hexo.extend.helper.register('findArchivesTitle', function (page, menu, date) {
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if (page.year) {
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const dateStr = page.month ? `${page.year}-${page.month}` : `${page.year}`
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const dateFormat = page.month ? hexo.theme.config.aside.card_archives.format : 'YYYY'
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return date(dateStr, dateFormat)
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}
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const defaultTitle = this._p('page.archives')
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if (!menu) return defaultTitle
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const loop = (m) => {
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for (const key in m) {
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if (typeof m[key] === 'object') {
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loop(m[key])
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}
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if (/\/archives\//.test(m[key])) {
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return key
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}
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}
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}
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return loop(menu) || defaultTitle
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})
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hexo.extend.helper.register('isImgOrUrl', function (path) {
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const imgTestReg = /\.(png|jpe?g|gif|svg|webp)(\?.*)?$/i
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return path.indexOf('//') !== -1 || imgTestReg.test(path)
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})
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