hexo-theme-butterfly/scripts/helpers/page.js
2020-04-19 16:05:47 +08:00

54 lines
1.6 KiB
JavaScript

/**
* Butterfly
* @example
* page_description()
* injectHtml(data)
* cloudTags(source, minfontsize, maxfontsize, limit)
*/
'use strict'
const { stripHTML } = require('hexo-util')
hexo.extend.helper.register('page_description', function () {
const { config, page } = this
let description = page.description || page.content || page.title || config.description
if (description) {
description = stripHTML(description).substring(0, 200)
.trim()
.replace(/\n/g, ' ')
return description
}
})
hexo.extend.helper.register('injectHtml', function (data) {
let result = ''
if (!data) return ''
for (var i = 0; i < data.length; i++) {
result += data[i]
}
return result
})
hexo.extend.helper.register('cloudTags', function (source, minfontsize, maxfontsize, limit) {
const env = this
let result = ''
const tagLimit = limit === 0 ? source.length : limit
source.sort('name').limit(tagLimit).forEach(function (tags) {
var fontSize = Math.floor(Math.random() * (maxfontsize - minfontsize) + minfontsize) + 'px'
var color = 'rgb(' + Math.floor(Math.random() * 201) + ', ' + Math.floor(Math.random() * 201) + ', ' + Math.floor(Math.random() * 201) + ')' // 0,0,0 -> 200,200,200
result += `<a href='${env.url_for(tags.path)}' style='font-size:${fontSize}; color:${color}'>${tags.name}</a>`
})
return result
})
hexo.extend.helper.register('urlNoIndex', function () {
const { permalink } = hexo.config
let url = this.url.replace(/index\.html$/, '')
if (!permalink.endsWith('.html')) {
url = url.replace(/\.html$/, '')
}
return url
})