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Make error handling more resilient in the dev server (#4723)

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* Make error handling more resilient in the dev server

* Better approach

* Add a changeset
This commit is contained in:
Matthew Phillips 2022-09-12 14:40:31 -04:00 committed by GitHub
parent 562147a5b4
commit 0dba3b6f3f
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GPG key ID: 4AEE18F83AFDEB23
10 changed files with 96 additions and 10 deletions
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5
.changeset/orange-cycles-serve.md Normal file
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@ -0,0 +1,5 @@
---
'astro': patch
---
Makes the dev server more resilient to crashes

5
packages/astro/src/core/errors.ts
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@ -48,7 +48,10 @@ export function cleanErrorStack(stack: string) {
export function fixViteErrorMessage(_err: unknown, server?: ViteDevServer, filePath?: URL) {
const err = createSafeError(_err);
// Vite will give you better stacktraces, using sourcemaps.
try {
server?.ssrFixStacktrace(err);
} catch {}
// Fix: Astro.glob() compiles to import.meta.glob() by the time Vite sees it,
// so we need to update this error message in case it originally came from Astro.glob().
if (err.message === 'import.meta.glob() can only accept string literals.') {
@ -57,6 +60,7 @@ export function fixViteErrorMessage(_err: unknown, server?: ViteDevServer, fileP
if (filePath && /failed to load module for ssr:/.test(err.message)) {
const importName = err.message.split('for ssr:').at(1)?.trim();
if (importName) {
try {
const content = fs.readFileSync(fileURLToPath(filePath)).toString();
const lns = content.split('\n');
const line = lns.findIndex((ln) => ln.includes(importName));
@ -65,6 +69,7 @@ export function fixViteErrorMessage(_err: unknown, server?: ViteDevServer, fileP
if (!(err as any).id) {
(err as any).id = `${fileURLToPath(filePath)}:${line + 1}:${column + 1}`;
}
} catch {}
}
}
return err;

2
packages/astro/src/vite-plugin-astro-server/index.ts
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@ -348,7 +348,7 @@ async function handleRequest(
return await writeSSRResult(result, res);
}
} catch (_err) {
const err = fixViteErrorMessage(createSafeError(_err), viteServer, filePath);
const err = fixViteErrorMessage(_err, viteServer, filePath);
const errorWithMetadata = collectErrorMetadata(err);
error(logging, null, msg.formatErrorMessage(errorWithMetadata));
handle500Response(viteServer, origin, req, res, errorWithMetadata);

34
packages/astro/test/error-bad-js.test.js Normal file
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@ -0,0 +1,34 @@
import { expect } from 'chai';
import * as cheerio from 'cheerio';
import { loadFixture } from './test-utils.js';
describe('Errors in JavaScript', () => {
/** @type {import('./test-utils').Fixture} */
let fixture;
/** @type {import('./test-utils').DevServer} */
let devServer;
before(async () => {
fixture = await loadFixture({
root: './fixtures/error-bad-js',
});
devServer = await fixture.startDevServer();
});
after(async() => {
await devServer.stop();
});
it('Does not crash the dev server', async () => {
let res = await fixture.fetch('/');
let html = await res.text();
expect(html).to.include('ReferenceError');
res = await fixture.fetch('/');
await res.text();
expect(html).to.include('ReferenceError');
});
});

3
packages/astro/test/fixtures/error-bad-js/astro.config.mjs vendored Normal file
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@ -0,0 +1,3 @@
import { defineConfig } from 'astro/config';
export default defineConfig({});

15
packages/astro/test/fixtures/error-bad-js/package.json vendored Normal file
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@ -0,0 +1,15 @@
{
"name": "@test/error-bad-js",
"version": "0.0.1",
"private": true,
"scripts": {
"dev": "astro dev",
"start": "astro dev",
"build": "astro build",
"preview": "astro preview",
"astro": "astro"
},
"dependencies": {
"astro": "workspace:*"
}
}

1
packages/astro/test/fixtures/error-bad-js/src/env.d.ts vendored Normal file
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@ -0,0 +1 @@
/// <reference types="astro/client" />

16
packages/astro/test/fixtures/error-bad-js/src/pages/index.astro vendored Normal file
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@ -0,0 +1,16 @@
---
import something from '../something.js';
---
<html lang="en">
<head>
<meta charset="utf-8" />
<link rel="icon" type="image/svg+xml" href="/favicon.svg" />
<meta name="viewport" content="width=device-width" />
<meta name="generator" content={Astro.generator} />
<title>Astro</title>
</head>
<body>
<h1>Astro</h1>
</body>
</html>

1
packages/astro/test/fixtures/error-bad-js/src/something.js vendored Normal file
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@ -0,0 +1 @@
export var foo = bar;

6
pnpm-lock.yaml
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@ -1492,6 +1492,12 @@ importers:
'@astrojs/preact': link:../../../../integrations/preact
astro: link:../../..
packages/astro/test/fixtures/error-bad-js:
specifiers:
astro: workspace:*
dependencies:
astro: link:../../..
packages/astro/test/fixtures/fetch:
specifiers:
'@astrojs/preact': workspace:*