source code: https://github.com/taowen/incremental-html/tree/main/packages/jsx-to-html
// filename: newsletter.tsx
import { jsxToHtml } from '@incremental-html/jsx-to-html'
// server is an express router
server.get('/newsletter', async (req, resp) => {
const html: string = await jsxToHtml(<div>hello</div>);
resp.status(200).set({ 'Content-Type': 'text/html' }).end(html);
})
The tsconfig.json
should configure like this to translate *.tsx
using jsxToHtml
{
"compilerOptions": {
//...
"jsx": "react",
"jsxFactory": "jsxToHtml.createElement",
"jsxFragmentFactory": "jsxToHtml.Fragment",
//...
}
async context
We can use jsxToHtml as an alterantive to node.js async_hooks
.
There is no runtime trick, works in any environment (including deno, cloudflare workers, etc)
test('component with context', async () => {
const C1 = async (props: {}, ctx: { msg: string }) => {
await new Promise<void>(resolve => resolve());
return <div>{ctx.msg}</div>
}
const result = <context msg="hello"><C1 /></context>
expect(await jsxToHtml(result, { msg: 'original msg' })).toBe('<div>\nhello\n</div>');
})
The context will be automatically passed down the tree.
<context>
is a built-in component to alter the context in the middle.
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