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ref: Reduce bundle size for Vercel functions #14179

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Merged
merged 7 commits into from
Jun 27, 2025
Merged

ref: Reduce bundle size for Vercel functions #14179

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c887f99
ref: Reduce bundle size for Vercel functions
BYK Jun 26, 2025
6362a4f
don't omit docs
BYK Jun 26, 2025
88dbacd
fix sillynes
BYK Jun 26, 2025
08b3d8b
fix ./.next patterns
BYK Jun 26, 2025
50efd4d
disable mdx caching outside of CI
BYK Jun 26, 2025
becf642
remove mdx caching
BYK Jun 26, 2025
5f93b86
oopsie
BYK Jun 26, 2025
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24 changes: 20 additions & 4 deletions next.config.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -5,22 +5,38 @@ import {redirects} from './redirects.js';

const outputFileTracingExcludes = process.env.NEXT_PUBLIC_DEVELOPER_DOCS
? {
'/**/*': ['./.git/**/*', './apps/**/*', 'docs/**/*'],
'/**/*': [
'**/*.map',
'./.git/**/*',
'./apps/**/*',
'./.next/cache/mdx-bundler/**/*',
'./.next/cache/md-exports/**/*',
'docs/**/*',
],
}
: {
'/**/*': [
'**/*.map',
'./.git/**/*',
'./.next/cache/mdx-bundler/**/*',
'./.next/cache/md-exports/**/*',
'./apps/**/*',
'develop-docs/**/*',
'node_modules/@esbuild/darwin-arm64',
'node_modules/@esbuild/*',
],
'/platform-redirect': ['**/*.gif', 'public/mdx-images/**/*', '*.pdf'],
'/platform-redirect': ['**/*.gif', 'public/mdx-images/**/*', '**/*.pdf'],
'\\[\\[\\.\\.\\.path\\]\\]': [
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@codyde codyde Jun 26, 2025

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@BYK - in my PR when I was looking at this I had some some indications from Claude that this wasn't actually a path - just want to double check if you if you see this one as correct? I refactored out of it in mine but if yours is good, than im good with it.

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@codyde codyde Jun 26, 2025

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specifically '\\[\\[\\.\\.\\.path\\]\\]'

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@BYK BYK Jun 27, 2025

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I think it's this one: https://docs.sentry.io/platform-redirect/?

It also broke on one of my earlier PRs 😅

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@BYK BYK Jun 27, 2025

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oh you mean the grep?

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@codyde codyde Jun 27, 2025

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Yeah - looks like it isnt breaking anyhing now, if it comes up - we can revert and figure it out.

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@chargome chargome Jun 30, 2025

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\\[\\[\\.\\.\\.path\\]\\] maps to [[...path]], which is the catchall route for every docs content page 👍

'docs/**/*',
'node_modules/prettier/plugins',
'node_modules/rollup/dist',
],
'sitemap.xml': ['docs/**/*', 'public/mdx-images/**/*', '*.gif', '*.pdf', '*.png'],
'sitemap.xml': [
'docs/**/*',
'public/mdx-images/**/*',
'**/*.gif',
'**/*.pdf',
'**/*.png',
],
};

if (
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6 changes: 2 additions & 4 deletions scripts/generate-md-exports.mjs
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Original file line number Diff line number Diff line change
Expand Up @@ -283,9 +283,7 @@ async function processTaskList({id, tasks, cacheDir, noCache}) {
const fileHash = md5(data);
if (r2Hash !== fileHash) {
r2CacheMisses.push(relativePath);
console.log(
`📤 Worker[${id}]: Uploading ${relativePath} to R2, hash mismatch: ${r2Hash} !== ${fileHash}`
);

await uploadToCFR2(s3Client, relativePath, data);
}
}
Expand All @@ -296,7 +294,7 @@ async function processTaskList({id, tasks, cacheDir, noCache}) {
const success = tasks.length - failedTasks.length;
if (r2CacheMisses.length / tasks.length > 0.1) {
console.warn(
`⚠️ Worker[${id}]: More than 10% of files had a different hash on R2, this might indicate a problem with the cache or the generation process.`
`⚠️ Worker[${id}]: More than 10% of files had a different hash on R2 with the generation process.`
);
} else if (r2CacheMisses.length > 0) {
console.log(
Expand Down
35 changes: 21 additions & 14 deletions src/mdx.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -523,17 +523,22 @@ export async function getFileBySlug(slug: string): Promise<SlugFile> {
);
}

const cacheKey = md5(source);
const cacheFile = path.join(CACHE_DIR, cacheKey);
let cacheKey: string | null = null;
let cacheFile: string | null = null;

try {
const cached = await readCacheFile<SlugFile>(cacheFile);
return cached;
} catch (err) {
if (err.code !== 'ENOENT' && err.code !== 'ABORT_ERR') {
// If cache is corrupted, ignore and proceed
// eslint-disable-next-line no-console
console.warn(`Failed to read MDX cache: ${cacheFile}`, err);
if (process.env.CI === '1') {
cacheKey = md5(source);
cacheFile = path.join(CACHE_DIR, cacheKey);

try {
const cached = await readCacheFile<SlugFile>(cacheFile);
return cached;
} catch (err) {
if (err.code !== 'ENOENT' && err.code !== 'ABORT_ERR') {
// If cache is corrupted, ignore and proceed
// eslint-disable-next-line no-console
console.warn(`Failed to read MDX cache: ${cacheFile}`, err);
}
}
}

Expand Down Expand Up @@ -662,10 +667,12 @@ export async function getFileBySlug(slug: string): Promise<SlugFile> {
},
};

writeCacheFile(cacheFile, JSON.stringify(resultObj)).catch(e => {
// eslint-disable-next-line no-console
console.warn(`Failed to write MDX cache: ${cacheFile}`, e);
});
if (cacheFile) {
writeCacheFile(cacheFile, JSON.stringify(resultObj)).catch(e => {
// eslint-disable-next-line no-console
console.warn(`Failed to write MDX cache: ${cacheFile}`, e);
});
}

return resultObj;
}
Expand Down
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