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/**
* Butterfly
* Merge CDN
*/
'use strict'
const { version } = require('../../package.json')
const path = require('path')
hexo.extend.filter.register('before_generate', () => {
const themeConfig = hexo.theme.config
const { CDN } = themeConfig
const thirdPartySrc = hexo.render.renderSync({ path: path.join(hexo.theme_dir, '/plugins.yml'), engine: 'yaml' })
const internalSrc = {
main: {
name: 'hexo-theme-butterfly',
file: 'js/main.js',
version
},
utils: {
name: 'hexo-theme-butterfly',
file: 'js/utils.js',
version
},
translate: {
name: 'hexo-theme-butterfly',
file: 'js/tw_cn.js',
version
},
local_search: {
name: 'hexo-theme-butterfly',
file: 'js/search/local-search.js',
version
},
algolia_js: {
name: 'hexo-theme-butterfly',
file: 'js/search/algolia.js',
version
}
}
const minFile = file => {
return file.replace(/(?<!\.min)\.(js|css)$/g, ext => '.min' + ext)
}
const createCDNLink = (data, type, cond = '') => {
Object.keys(data).forEach(key => {
let { name, version, file, other_name } = data[key]
const cdnjs_name = other_name || name
const cdnjs_file = file.replace(/^[lib|dist]*\/|browser\//g, '')
const min_cdnjs_file = minFile(cdnjs_file)
if (cond === 'internal') file = `source/${file}`
const min_file = minFile(file)
const verType = CDN.version ? (type === 'local' ? `?v=${version}` : `@${version}`) : ''
const value = {
version,
name,
file,
cdnjs_file,
min_file,
min_cdnjs_file,
cdnjs_name
}
const cdnSource = {
local: cond === 'internal' ? `${cdnjs_file + verType}` : `/pluginsSrc/${name}/${file + verType}`,
jsdelivr: `https://cdn.jsdelivr.net/npm/${name}${verType}/${min_file}`,
unpkg: `https://unpkg.com/${name}${verType}/${file}`,
cdnjs: `https://cdnjs.cloudflare.com/ajax/libs/${cdnjs_name}/${version}/${min_cdnjs_file}`,
custom: (CDN.custom_format || '').replace(/\$\{(.+?)\}/g, (match, $1) => value[$1])
}
data[key] = cdnSource[type]
})
if (cond === 'internal') data.main_css = 'css/index.css' + (CDN.version ? `?v=${version}` : '')
return data
}
// delete null value
const deleteNullValue = obj => {
if (!obj) return
for (const i in obj) {
obj[i] === null && delete obj[i]
}
return obj
}
themeConfig.asset = Object.assign(
createCDNLink(internalSrc, CDN.internal_provider, 'internal'),
createCDNLink(thirdPartySrc, CDN.third_party_provider),
deleteNullValue(CDN.option)
)
})