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stream responses - fixes #19

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Rich Harris
2017-12-20 18:39:39 -05:00
parent 45e845ee92
commit a48afb77d3
2 changed files with 56 additions and 11 deletions
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32
lib/index.js
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@@ -140,19 +140,31 @@ function get_route_handler(fn) {
res.set('Link', `<${client.main_file}>;rel="preload";as="script", <${client.routes[route.id]}>;rel="preload";as="script"`);
let data = { params: req.params, query: req.query };
if (mod.preload) data = Object.assign(data, await mod.preload(data));
const { html, head, css } = mod.render(data);
if (mod.preload) {
const promise = Promise.resolve(mod.preload(data)).then(preloaded => {
Object.assign(data, preloaded);
return mod.render(data);
});
const page = templates.render(200, {
main: client.main_file,
html,
head: `<noscript id='sapper-head-start'></noscript>${head}<noscript id='sapper-head-end'></noscript>`,
styles: (css && css.code ? `<style>${css.code}</style>` : '')
});
templates.stream(res, 200, {
main: client.main_file,
html: promise.then(rendered => rendered.html),
head: promise.then(({ head }) => `<noscript id='sapper-head-start'></noscript>${head}<noscript id='sapper-head-end'></noscript>`),
styles: promise.then(({ css }) => (css && css.code ? `<style>${css.code}</style>` : ''))
});
} else {
const { html, head, css } = mod.render(data);
res.status(200);
res.end(page);
const page = templates.render(200, {
main: client.main_file,
html,
head: `<noscript id='sapper-head-start'></noscript>${head}<noscript id='sapper-head-end'></noscript>`,
styles: (css && css.code ? `<style>${css.code}</style>` : '')
});
res.end(page);
}
}
else {