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const fs = require('fs')
const path = require('path')
const { SitemapStream, streamToPromise } = require('sitemap')
const { Readable } = require('stream')
const logger = require('./logger')()
/*
* This class will output any files in the assets folder
* Eg. `./assets/{foldername}/{filename}`
*
* You can also create a function that will output html
* On the client side the `main.js` will use `innerHTML = {output}`
*/
class ReadFile {
constructor(x) {
try {
this.object = {
baseUrl: x.baseUrl,
mime: '',
main: '',
types: x.mime,
layouts: {
header: fs.readFileSync('./views/layouts/header.html', 'utf-8'),
loading: fs.readFileSync('./views/layouts/loading.html', 'utf-8'),
footer: fs.readFileSync('./views/layouts/footer.html', 'utf-8')
}
}
for (const key in this.object.layouts) {this.object.layouts[key] = this.#RemoveSpaces(this.object.layouts[key])}
} catch(err) {
logger.Error(err)
}
}
GetMain(x) {
const data = {
header: `
<!DOCTYPE html>
<html lang='en'>
<head>
<title>${x.hasOwnProperty('title') ? x.title : 'Undefined'}</title>
<meta name='description' content='${x.hasOwnProperty('description') ? x.description : 'Undefined'}'>
<meta name='keywords' content='${x.hasOwnProperty('keywords') ? x.keywords : 'Undefined'}'>
<meta name='viewport' content='width=device-width, initial-scale=1'>
<link rel='stylesheet' type='text/css' href='/css/loading.css'>
</head>
<body>
${this.object.layouts.loading}
<section id='main'>
`,
footer: `
</section>
<script src='/js/purify.js'></script>
<script src='/js/loading.js'></script>
<script src='/js/main.js'></script>
</body>
</html>
`
}
return this.#RemoveSpaces(data.header + data.footer)
}
async Create(x) {
try {
return this.#SetData({data: x, mime: this.object.types})
} catch(err) {
try {
return await x.then(output => {
return this.#SetData({data: output, mime: this.object.types})
})
} catch (err) {
logger.Error(`${err.code}: Failed to create HTML`)
}
}
}
async Sitemap(x) {
const object = {
keys: x.keys,
links: [],
remove: ['/', '/blog'],
stream: new SitemapStream({hostname: x.url})
}
Array.from(object.remove).forEach(url => {
object.keys.splice(object.keys.indexOf(url), 1)
object.links.push({url: url, changefreq: 'daily', priority: 1})
})
object.keys.forEach(link => object.links.push({url: link, changefreq: 'weekly', priority: 0.8}))
return streamToPromise(Readable.from(object.links).pipe(object.stream)).then(data => {return data.toString()})
}
GetFile(x) {
const path = x.split('/')
const object = {
file: fs.createReadStream(`./assets/${path[1]}/${path[2]}`).on('error', (err) => {
logger.Error(err)
return null
}),
mime: this.#GetFileType(path).then(output => {return output})
}
if (object.file) {return object} else {return null}
}
GetFavicon() {
const object = {
file: fs.createReadStream('./favicon/favicon.ico').on('error', (err) => {
logger.Error(`${err.code}: Failed to get 'favicon.ico'`)
return null
}),
mime: this.#GetFileType('favicon.ico')
}
if (object.file) {return object} else {return null}
}
GetRobots() {
const object = {
file: fs.createReadStream('./assets/robots/robots.txt').on('error', (err) => {
logger.Error(`${err.code}: Failed to get 'robots.txt'`)
return null
}),
mime: this.#GetFileType('robots.txt')
}
if (object.file) {return object} else {return null}
}
CreateBlog(x) {
const data = {
start: `
<section id='blog'>
<div class='blogitem'>
`,
body: x,
end: `
</div>
</section>
`
}
return this.#SetData(data)
}
#SetData(x) {
const object = JSON.parse(JSON.stringify(this.object))
object.mime = x.mime.html
delete object.types
object.layouts.data = this.#RemoveSpaces(x.data)
return object
}
#RemoveSpaces(x) {return x.replace(/^(\n)\s+/gm, '$1')}
async #GetFileType(x) {return this.object.types[path.extname(`./assets/${x[1]}/${x[2]}`).slice(1)] || 'text/plain'}
}
module.exports = ReadFile
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