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server.js
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server.js
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const fs = require('fs')
const path = require('path')
const express = require('express')
const favicon = require('serve-favicon')
const resolve = file => path.resolve(__dirname, file)
const proxyMiddleware = require('http-proxy-middleware')
const config = require('./config')
const isProd = process.env.NODE_ENV === 'production'
const app = express()
let renderer
if (isProd) {
const bundle = require('./output/vue-ssr-bundle.json')
const template = fs.readFileSync(resolve('./output/index.html'), 'utf-8')
renderer = createRenderer(bundle, template)
} else {
require('./build/dev-server')(app, (bundle, template) => {
renderer = createRenderer(bundle, template)
})
}
function createRenderer(bundle, template) {
return require('vue-server-renderer').createBundleRenderer(bundle, {
template,
cache: require('lru-cache')({
max: 1000,
maxAge: 1000 * 60 * 15
})
})
}
const serve = (path, cache) => express.static(resolve(path), {
maxAge: cache && isProd ? 60 * 60 * 24 * 30 : 0
})
const proxyTable = {
'/v1': {
target: config.baseUrl,
changeOrigin: true
// pathRewrite: {
// '^/api': '/api'
// }
}
}
Object.keys(proxyTable).forEach(function(context) {
var options = proxyTable[context]
if (typeof options === 'string') {
options = { target: options }
}
app.use(proxyMiddleware(options.filter || context, options))
})
const v = Date.now()
app.use(require('cookie-parser')())
app.use('/output', serve('./output', true))
app.use('/service-worker.js', serve('./output/service-worker.js'))
app.use(favicon(path.resolve(__dirname, 'public/images/favicon.ico')))
app.use(express.static(path.join(__dirname, 'public')))
app.get('*', (req, res) => {
if (!renderer) {
return res.end('waiting for compilation... refresh in a moment.')
}
const s = Date.now()
res.setHeader('Content-Type', 'text/html')
const errorHandler = err => {
if (err && err.code === 404) {
res.status(404).sendfile('public/404.html')
} else {
res.status(500).end('500 - Internal Server Error')
console.error(`error during render : ${req.url}`)
console.error(err)
}
}
const context = {
title: '成功没有奇迹,只有积累',
keywords: 'shudong博客, stark博客',
description: '记录stark的生活',
version: v,
url: req.url,
cookies: req.cookies
}
renderer.renderToString(context, (err, html) => {
if (err) {
return errorHandler(err)
}
res.end(html)
console.log(`whole request: ${Date.now() - s}ms`)
})
})
const port = process.env.PORT || 3005
app.listen(port, () => {
console.log(`server started at http://localhost:${port}`)
})