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Support error handler middlewares #3

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Support error handler middlewares #3

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823950d
Support error handler middlewares
leonardoraele Apr 13, 2023
b83f436
Fixing `for` brackets; moving code around to reduce diff
leonardoraele Apr 13, 2023
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17 changes: 14 additions & 3 deletions src/router.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -77,11 +77,22 @@ export class HyperBunRouter {
}

const hyperRequest = new HyperBunRequest(request);

for (const middleware of this.#middlewares) {
const response = await middleware(hyperRequest, context);
for (let i = 0; i < this.#middlewares.length; i++) {
const response = await this.#middlewares[i](hyperRequest, context).catch(e => e);

if (response instanceof Error) {
let error = response;
const relevantErrorMiddlewares = this.#middlewares.slice(i + 1)
.filter(middleware => middleware.length === 3);
for (const middleware of relevantErrorMiddlewares) {
const response = await middleware(hyperRequest, context, error);
if (response instanceof Error) {
error = response;
} else if (response instanceof Response) {
return response;
}
}
return new Response(response.message, {
status: 500,
});
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