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59 lines
1.7 KiB
JavaScript
59 lines
1.7 KiB
JavaScript
/**
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* Butterfly
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* @example
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* page_description()
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* injectHtml(data)
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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 } = require('hexo-util')
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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('injectHtml', function (data) {
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let result = ''
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if (!data) return ''
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for (let i = 0; i < data.length; i++) {
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result += data[i]
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}
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return result
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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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const 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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let result = ''
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const tagLimit = limit === 0 ? source.length : limit
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source.sort('name').limit(tagLimit).forEach(function (tags) {
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const fontSize = Math.floor(Math.random() * (maxfontsize - minfontsize) + minfontsize) + 'px'
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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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result += `<a href='${env.url_for(tags.path)}' style='font-size:${fontSize}; color:${color}'>${tags.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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const { permalink } = hexo.config
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let url = this.url.replace(/index\.html$/, '')
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if (!permalink.endsWith('.html')) {
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url = url.replace(/\.html$/, '')
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}
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return url
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})
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