mirror of
https://github.com/terribleplan/next.js.git
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88 lines
2.3 KiB
JavaScript
88 lines
2.3 KiB
JavaScript
import { join } from 'path'
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import { parse } from 'url'
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import { createElement } from 'react'
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import { renderToString, renderToStaticMarkup } from 'react-dom/server'
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import requireModule from './require'
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import read from './read'
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import getConfig from './config'
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import Router from '../lib/router'
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import Head, { defaultHead } from '../lib/head'
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import App from '../lib/app'
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export async function render (url, ctx = {}, {
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dir = process.cwd(),
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dev = false,
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staticMarkup = false
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} = {}) {
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const path = getPath(url)
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let [Component, Document] = await Promise.all([
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requireModule(join(dir, '.next', 'dist', 'pages', path)),
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requireModule(join(dir, '.next', 'dist', 'pages', '_document'))
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])
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Component = Component.default || Component
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Document = Document.default || Document
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const [
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props,
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component,
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errorComponent
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] = await Promise.all([
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Component.getInitialProps ? Component.getInitialProps(ctx) : {},
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read(join(dir, '.next', 'bundles', 'pages', path)),
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read(join(dir, '.next', 'bundles', 'pages', dev ? '_error-debug' : '_error'))
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])
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const renderPage = () => {
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const app = createElement(App, {
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Component,
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props,
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router: new Router(ctx.req ? ctx.req.url : url)
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})
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const html = (staticMarkup ? renderToStaticMarkup : renderToString)(app)
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const head = Head.rewind() || defaultHead()
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return { html, head }
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}
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const config = await getConfig(dir)
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const docProps = await Document.getInitialProps({ ...ctx, renderPage })
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const doc = createElement(Document, {
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__NEXT_DATA__: {
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component,
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errorComponent,
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props,
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err: (ctx.err && dev) ? errorToJSON(ctx.err) : null
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},
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dev,
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staticMarkup,
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cdn: config.cdn,
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...docProps
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})
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return '<!DOCTYPE html>' + renderToStaticMarkup(doc)
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}
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export async function renderJSON (url, { dir = process.cwd() } = {}) {
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const path = getPath(url)
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const component = await read(join(dir, '.next', 'bundles', 'pages', path))
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return { component }
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}
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export function errorToJSON (err) {
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const { name, message, stack } = err
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const json = { name, message, stack }
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if (name === 'ModuleBuildError') {
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// webpack compilation error
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const { module: { rawRequest } } = err
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json.module = { rawRequest }
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}
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return json
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}
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function getPath (url) {
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return parse(url || '/').pathname.replace(/\.json$/, '')
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}
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