vercel/ncc

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Compile a Node.js project into a single file. Supports TypeScript, binary addons, dynamic requires.

Stars: 9.8k
Forks: 326
Open beginner issues: 0
Indexed issues: 197

Dominant language: JavaScript
License: MIT
Last GitHub push: Aug 13, 2026
Latest indexed: Sep 20, 2026
Contributing guide: No contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

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197 open issues indexed

Typescript 7 support Open

help wanted

Difficulty 3/5 1-2 days Newbie friendliness 52/100

vercel/ncc#1336 · 3 comments · 2 reactions · Opened Jul 10, 2026
target esm instead of commonjs Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

vercel/ncc#1322 · 1 comment · Opened May 25, 2026
github/core package fails build because of exports map Open

bug help wanted

Difficulty 3/5 1-2 days Newbie friendliness 42/100

vercel/ncc#1311 · 5 comments · 5 reactions · Opened Mar 15, 2026
ncc build generating multiple index.js files instead of a single bundle after upgrading Node.js Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

vercel/ncc#1292 · 2 comments · 3 reactions · Opened Oct 13, 2025
Unable to exclude modules Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

vercel/ncc#1279 · 1 comment · Opened Aug 15, 2025
NCC doesn't find tsconfig.json in the CWD Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

vercel/ncc#1265 · 1 comment · Opened May 4, 2025
Error: Could not load TypeScript compiler with NPM package name Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

vercel/ncc#1264 · 2 comments · Opened Apr 30, 2025
VCC cannot transpile ngrok Open

bug help wanted

Difficulty 4/5 3-5 days Newbie friendliness 30/100

vercel/ncc#1255 · Opened Feb 24, 2025
static sourcemap base prefix of `../` leads to incorrect filepaths in source mapped stack traces, when output folder is more than one folder deep Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

vercel/ncc#1253 · 1 comment · Opened Feb 16, 2025
would you be open to support node[[X].Y] as target to make GitHub Action build artifacts smaller? Open

help wanted

Difficulty 3/5 1-2 days Newbie friendliness 30/100

vercel/ncc#1247 · 6 comments · 1 reaction · Opened Jan 27, 2025
would you be open to updating core-js to latest ^3 version to get support for es2024 (node20) and further? Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

vercel/ncc#1246 · 5 comments · Opened Jan 27, 2025
TypeScript Declarations Open

enhancement help wanted

Difficulty 4/5 3-5 days Newbie friendliness 35/100

vercel/ncc#1238 · 1 comment · 1 reaction · Opened Nov 30, 2024
Im getting strange error on windows server [TS2349: This expression is not callable] Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

vercel/ncc#1237 · Opened Nov 25, 2024
JSX/TSX issues during compilation Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

vercel/ncc#1227 · 1 comment · Opened Nov 5, 2024
Build fails with `composite: true` in `tsconfig.json` Open

bug help wanted

Difficulty 4/5 3-5 days Newbie friendliness 45/100

vercel/ncc#1212 · 1 comment · Opened Sep 10, 2024
SyntaxError: Invalid regular expression: /^[_\p{L}][_0-9\p{L}]*$/: Invalid property name in character class Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

vercel/ncc#1211 · Opened Sep 6, 2024
Error possibily related to bundling of import.meta.url Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 38/100

vercel/ncc#1200 · Opened Jun 13, 2024
Unclear instructions to build ncc from source. Open

Difficulty 3/5 1-2 days Newbie friendliness 30/100

vercel/ncc#1198 · 1 comment · Opened Jun 9, 2024
AssetBuilds repeatedly packages the same resources Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

vercel/ncc#1186 · Opened Apr 29, 2024
TypeError when resolving symlinked module paths in a Lerna workspace Open

Difficulty 4/5 3-5 days Newbie friendliness 32/100

vercel/ncc#1184 · Opened Apr 20, 2024
more documentation about `--v8-cache` Open

Difficulty 1/5 1-3 hours Newbie friendliness 62/100

vercel/ncc#1182 · Opened Apr 9, 2024
Advantages over other bundlers Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

vercel/ncc#1181 · 4 comments · Opened Apr 6, 2024
Are there multiple js files in the directory packaged by NCC? Open

question

Difficulty 3/5 1-2 days Newbie friendliness 35/100

vercel/ncc#1169 · 3 comments · Opened Feb 28, 2024
ESM mode still uses "require" within an ESM module Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

vercel/ncc#1163 · 7 comments · 5 reactions · Opened Feb 8, 2024
Option 'allowImportingTsExtensions' can only be used when either 'noEmit' or 'emitDeclarationOnly' is set. Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

vercel/ncc#1146 · 5 comments · 16 reactions · Opened Dec 4, 2023
ncc build fails with bun when node isn't installed Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

vercel/ncc#1132 · Opened Oct 27, 2023
Incorrect Compilation of Firebase Parameterized Variables by ncc Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

vercel/ncc#1129 · 1 comment · Opened Oct 21, 2023
ESM + Relative imports without .js extension causes "ReferenceError: require is not defined in ES module scope" Open

question

Difficulty 4/5 3-5 days Newbie friendliness 45/100

vercel/ncc#1123 · 3 comments · Opened Oct 13, 2023
webpack5 cache not working as expected Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

vercel/ncc#1107 · Opened Aug 30, 2023
Strict Mode Directive Rendered Unusable Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

vercel/ncc#1085 · 1 comment · Opened Jun 26, 2023
Cannot compile pg version 8.11.0 Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

vercel/ncc#1075 · 1 comment · Opened May 25, 2023
Exclude node_modules from source maps Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

vercel/ncc#1074 · 5 reactions · Opened May 18, 2023
Regex from CLI version Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 35/100

vercel/ncc#1056 · 2 reactions · Opened Mar 21, 2023
Is there any tree-shaking strategy? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

vercel/ncc#1055 · 3 comments · 5 reactions · Opened Mar 19, 2023
Support for pino transports? Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

vercel/ncc#1049 · 3 comments · Opened Mar 10, 2023
Cannot find module "threadChild.js" Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 30/100

vercel/ncc#1047 · Opened Mar 5, 2023
bundled module having npm-check as dependency using ncc is throwing Error: Cannot find module '/Users/username/Home/Projects/project-name/dist/parser/coffee' while running Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

vercel/ncc#1045 · Opened Mar 2, 2023
help with preload otel tracing module Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

vercel/ncc#1036 · 2 reactions · Opened Feb 1, 2023
Work localy in docker, but not work in kubernetes Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

vercel/ncc#1028 · Opened Jan 12, 2023
Can't npm install a module packed with ncc on Windows Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

vercel/ncc#1026 · 1 comment · Opened Jan 12, 2023
Building nodegit fails with missing functions Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

vercel/ncc#1024 · 1 reaction · Opened Jan 10, 2023
Cannot bundle snarkjs correctly. Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

vercel/ncc#1002 · 1 comment · Opened Nov 13, 2022
Support for `yarn dlx`? Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

vercel/ncc#998 · 1 comment · Opened Nov 3, 2022
Option to force Unix style output on Windows? Open

question

Difficulty 4/5 3-5 days Newbie friendliness 42/100

vercel/ncc#992 · 2 comments · 1 reaction · Opened Oct 23, 2022
Problem with node-gyp.js Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 28/100

vercel/ncc#986 · 1 comment · 2 reactions · Opened Oct 7, 2022
Missing crypto module when building a project using js-ethereum-cryptography Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 38/100

vercel/ncc#985 · 3 comments · 3 reactions · Opened Oct 4, 2022
Embedded package.json causing issues with dependencies (Typegoose) Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

vercel/ncc#969 · 1 comment · 2 reactions · Opened Sep 11, 2022
Asset relocation does not work for files that were processed with Babel Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 42/100

vercel/ncc#963 · 1 reaction · Opened Aug 29, 2022
feat: allow exclude all external without make a super long external list Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 20/100

vercel/ncc#962 · 3 comments · Opened Aug 27, 2022
ESM with typescript: imported module is undefined Open

Difficulty 4/5 3-5 days Newbie friendliness 28/100

vercel/ncc#961 · 2 comments · Opened Aug 24, 2022

vercel/ncc

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