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Abort infinite loop for preload errors

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This commit is contained in:
mrkishi
2019-05-08 12:37:09 -03:00
parent 5c07080207
commit 62969d59f6
1 changed files with 14 additions and 4 deletions
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18
runtime/src/server/middleware/get_page_handler.ts
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@@ -26,6 +26,15 @@ export function get_page_handler(
const { server_routes, pages } = manifest; const { server_routes, pages } = manifest;
const error_route = manifest.error; const error_route = manifest.error;
function bail(req: Req, res: Res, err: Error) {
console.error(err);
const message = dev ? escape_html(err.message) : 'Internal server error';
res.statusCode = 500;
res.end(`<pre>${message}</pre>`);
}
function handle_error(req: Req, res: Res, statusCode: number, error: Error | string) { function handle_error(req: Req, res: Res, statusCode: number, error: Error | string) {
handle_page({ handle_page({
pattern: null, pattern: null,
@@ -169,6 +178,10 @@ export function get_page_handler(
preloaded = await Promise.all(toPreload); preloaded = await Promise.all(toPreload);
} catch (err) { } catch (err) {
if (error) {
return bail(req, res, err)
}
preload_error = { statusCode: 500, message: err }; preload_error = { statusCode: 500, message: err };
preloaded = []; // appease TypeScript preloaded = []; // appease TypeScript
} }
@@ -314,11 +327,8 @@ export function get_page_handler(
res.statusCode = status; res.statusCode = status;
res.end(body); res.end(body);
} catch(err) { } catch(err) {
console.log(err);
if (error) { if (error) {
// we encountered an error while rendering the error page — oops bail(req, res, err)
res.statusCode = 500;
res.end(`<pre>${escape_html(err.message)}</pre>`);
} else { } else {
handle_error(req, res, 500, err); handle_error(req, res, 500, err);
} }