mirror of https://github.com/nuxt/nuxt.git
90 lines
2.9 KiB
JavaScript
90 lines
2.9 KiB
JavaScript
const debug = require('debug')('nuxt:render')
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const co = require('co')
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const { urlJoin } = require('./utils')
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const { getContext } = require('./utils')
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exports.render = function (req, res) {
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if (!this.renderer) {
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setTimeout(() => {
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this.render(req, res)
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}, 1000)
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return
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}
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const self = this
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const context = getContext(req, res)
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co(function * () {
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if (self.dev) {
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// Call webpack middlewares only in development
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yield self.webpackDevMiddleware(req, res)
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yield self.webpackHotMiddleware(req, res)
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}
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// If base in req.url, remove it for the middlewares and vue-router
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if (self.options.router.base !== '/' && req.url.indexOf(self.options.router.base) === 0) {
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// Compatibility with base url for dev server
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req.url = req.url.replace(self.options.router.base, '/')
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}
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// Serve static/ files
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yield self.serveStatic(req, res)
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// Serve .nuxt/dist/ files (only for production)
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if (!self.dev && self._nuxtRegexp.test(req.url)) {
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const url = req.url
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req.url = req.url.replace(self._nuxtRegexp, '/')
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yield self.serveStaticNuxt(req, res)
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req.url = url
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}
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})
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.then(() => {
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if (this.dev && this._nuxtRegexp.test(req.url) && req.url.includes('.hot-update.json')) {
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res.statusCode = 404
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return res.end()
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}
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return this.renderRoute(req.url, context)
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})
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.then(({ html, error }) => {
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if (error) {
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res.statusCode = context.nuxt.error.statusCode || 500
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}
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res.setHeader('Content-Type', 'text/html; charset=utf-8')
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res.setHeader('Content-Length', Buffer.byteLength(html))
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res.end(html, 'utf8')
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})
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.catch((err) => {
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res.statusCode = 500
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res.end(this.errorTemplate({ err }), 'utf8')
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})
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}
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exports.renderRoute = function (url, context = {}) {
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debug(`Rendering url ${url}`)
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// Add url and isSever to the context
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context.url = url
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context.isServer = true
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// Call rendertoSting from the bundleRenderer and generate the HTML (will update the context as well)
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const self = this
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return co(function * () {
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let app = yield self.renderToString(context)
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if (context.nuxt && context.nuxt.error instanceof Error) {
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context.nuxt.error = { statusCode: 500, message: context.nuxt.error.message }
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}
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if (context.redirected) {
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app = '<div id="__nuxt"></div>'
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}
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const html = self.appTemplate({
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dev: self.dev, // Use to add the extracted CSS <link> in production
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baseUrl: self.options.router.base,
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APP: app,
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context: context,
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files: {
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css: urlJoin(self.options.router.base, '/_nuxt/', self.options.build.filenames.css),
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vendor: urlJoin(self.options.router.base, '/_nuxt/', self.options.build.filenames.vendor),
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app: urlJoin(self.options.router.base, '/_nuxt/', self.options.build.filenames.app)
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}
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})
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return {
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html,
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error: context.nuxt.error,
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redirected: context.redirected
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}
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})
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}
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