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fix(sveltekit): Avoid capturing Http 4xx errors on the client#10571

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Merged
Lms24 merged 3 commits into from
Feb 9, 2024
Merged

fix(sveltekit): Avoid capturing Http 4xx errors on the client #10571

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b979a58
fix(sveltekit): Avoid capturing Http 400 errors on the client
Lms24 Feb 8, 2024
caf5da1
cleanup
Lms24 Feb 8, 2024
6e0c249
Update packages/sveltekit/src/client/load.ts
Lms24 Feb 8, 2024
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8 changes: 6 additions & 2 deletions packages/sveltekit/src/client/load.ts
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Expand Up@@ -4,7 +4,7 @@ import { addNonEnumerableProperty, objectify } from '@sentry/utils';
import type { LoadEvent } from '@sveltejs/kit';

import type { SentryWrappedFlag } from '../common/utils';
import { isRedirect } from '../common/utils';
import { isHttpError, isRedirect } from '../common/utils';

type PatchedLoadEvent = LoadEvent & Partial<SentryWrappedFlag>;

Expand All@@ -14,7 +14,11 @@ function sendErrorToSentry(e: unknown): unknown {
const objectifiedErr = objectify(e);

// We don't want to capture thrown `Redirect`s as these are not errors but expected behaviour
if (isRedirect(objectifiedErr)) {
// Neither 4xx errors, given that they are not valuable.
if (
isRedirect(objectifiedErr) ||
(isHttpError(objectifiedErr) && objectifiedErr.status < 500 && objectifiedErr.status >= 400)

@mydeamydeaFeb 8, 2024

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so, the issue linked complains about 403 errors being captured, it talks about ignoring all 4xx errors, but we only ignore 400 - is that correct/on purpose?

@Lms24Lms24Feb 8, 2024

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It's on purpose in the sense that we have the same logic on the server side and generally, afaik, we never want to capture 4xx errors by default.

@mydeamydeaFeb 8, 2024

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ahh wait, I got confused by the comment which says neither 400 errors and thought this was filtering only 400 itself, not 403. all good then!

@Lms24Lms24Feb 8, 2024

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ahh sorry, that was my mistake. 4xx is definitely the better description

) {
return objectifiedErr;
}

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24 changes: 24 additions & 0 deletions packages/sveltekit/test/client/load.test.ts
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Expand Up@@ -69,6 +69,30 @@ describe('wrapLoadWithSentry', () => {
expect(mockCaptureException).not.toHaveBeenCalled();
});

it.each([400, 404, 499])("doesn't call captureException for thrown `HttpError`s with status %s", async status => {
async function load(_: Parameters<Load>[0]): Promise<ReturnType<Load>> {
throw { status, body: 'error' };
}

const wrappedLoad = wrapLoadWithSentry(load);
const res = wrappedLoad(MOCK_LOAD_ARGS);
await expect(res).rejects.toThrow();

expect(mockCaptureException).not.toHaveBeenCalled();
});

it.each([500, 501, 599])('calls captureException for thrown `HttpError`s with status %s', async status => {
async function load(_: Parameters<Load>[0]): Promise<ReturnType<Load>> {
throw { status, body: 'error' };
}

const wrappedLoad = wrapLoadWithSentry(load);
const res = wrappedLoad(MOCK_LOAD_ARGS);
await expect(res).rejects.toThrow();

expect(mockCaptureException).toHaveBeenCalledTimes(1);
});

describe('calls trace function', async () => {
it('creates a load span', async () => {
async function load({ params }: Parameters<Load>[0]): Promise<ReturnType<Load>> {
Expand Down