pubload/renderer/+onRenderHtml.ts

56 lines
1.9 KiB
TypeScript

// https://vike.dev/onRenderHtml
export { onRenderHtml }
import { renderToString as renderToString_ } from '@vue/server-renderer'
import type { App } from 'vue'
import { escapeInject, dangerouslySkipEscape } from 'vike/server'
import { createVueApp } from './createVueApp'
import logoUrl from '../assets/img/logo.svg'
import type { OnRenderHtmlAsync } from 'vike/types'
import { getPageTitle } from './getPageTitle'
const onRenderHtml: OnRenderHtmlAsync = async (pageContext): ReturnType<OnRenderHtmlAsync> => {
// This onRenderHtml() hook only supports SSR, see https://vike.dev/render-modes for how to modify
// onRenderHtml() to support SPA
if (!pageContext.Page) throw new Error('My render() hook expects pageContext.Page to be defined')
const app = createVueApp(pageContext)
const appHtml = await renderToString(app)
const title = getPageTitle(pageContext)
const desc = pageContext.data?.description || pageContext.config.description || 'Demo of using Vike'
const documentHtml = escapeInject`<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<link rel="icon" href="${logoUrl}" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta name="description" content="${desc}" />
<title>${title}</title>
</head>
<body>
<div id="app">${dangerouslySkipEscape(appHtml)}</div>
</body>
</html>`
return {
documentHtml,
pageContext: {
// We can add custom pageContext properties here, see https://vike.dev/pageContext#custom
}
}
}
async function renderToString(app: App) {
let err: unknown
// Workaround: renderToString_() swallows errors in production, see https://github.com/vuejs/core/issues/7876
app.config.errorHandler = (err_) => {
err = err_
}
const appHtml = await renderToString_(app)
if (err) throw err
return appHtml
}