framerock/backend/index.js

84 lines
2.1 KiB
JavaScript

const async_build_js_script = async function (path_js_entry_script, build_options) {
const result = await Bun.build({
entrypoints: [ path_js_entry_script ],
env: 'disable',
minify: false,
...build_options,
})
const str_out = await result.outputs[0].text()
return str_out
}
const get_siteroot_html = function ({ page_title }) {return `
<!DOCTYPE html>
<html lang=en>
<head>
<meta charset=utf-8>
<link rel="icon" href="data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg'/>">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>${page_title || 'Page Title'}</title>
</head>
<body>
<script type="text/javascript" src="/index.js">
</script>
</body>
</html>
`.trim()}
const start_server = function ({ config, jsbuild_app_frontend }) {
const server = Bun.serve({
hostname: config.host || '127.0.0.1',
port : config.port || 8800,
async fetch (req, server) {
const url = new URL(req.url)
let resp
if (url.pathname === '/') {
resp = new Response(get_siteroot_html({ page_title: config.page_title }), { status: 200, headers: { 'Content-Type': 'text/html' } })
}
else if (url.pathname === '/index.js') {
const str_js = await jsbuild_app_frontend()
resp = new Response(
await async_build_js_script(import.meta.dir + '/../frontend/index.js', {
define: {
JS_APP_FRONTEND: JSON.stringify(str_js),
}
}),
{
status: 200,
headers: { 'Content-Type': 'text/javascript' }
}
)
}
else if (url.pathname === '/ws') {
if (server.upgrade(req)) {
// do not return a Response if upgrade fails
resp = undefined
}
resp = new Response('Upgrade failed', { status: 500 })
}
else {
resp = new Response(null, { status: 404 })
}
return resp
},
websocket: {
message: function (ws, message) {},
},
})
return server
}
const async_run = async function ({
config,
jsbuild_app_frontend,
}) {
const server = start_server({ config, jsbuild_app_frontend })
console.info(server)
process.on('SIGINT', () => {
console.log('SIGINT intercepted')
process.exit()
})
return
}
export { async_run }