Software · head to head
ESLint vs npm
The short version
- Each has a real cost: ESLint slow performance on large codebases compared to newer tools like Oxlint and Biome; npm private packages require a paid user or organization account; the free registry publishes publicly only
Where they differ
Only the attributes on which ESLint and npm actually diverge.
Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Unknown).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in ESLint
Nothing recorded that npm does not also cover.
Only in npm
- Package installation
- Dependency management
- Version management
- Script running
- Package publishing
- Security auditing
- Package discovery
- CLI interface
What people use each for
The jobs each tool is most often brought in to do.
ESLint
- Statically analysing JavaScript and JSX to find problems before runtimenot npm
- Automatically fixing issues with syntax-aware rewritesnot npm
- Enforcing a consistent code style across a teamnot npm
- Running as a CI step to block non-conforming codenot npm
- Writing custom rules for project-specific conventionsnot npm
npm
- Package managementnot ESLint
- Dependency installationnot ESLint
- Project scaffoldingnot ESLint
- Build automationnot ESLint
- Package publishingnot ESLint
- Version controlnot ESLint
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
ESLint
- Slow performance on large codebases compared to newer tools like Oxlint and Biome
- Complexity in configuration from scratch, particularly for TypeScript support
- Limited built-in TypeScript support, requiring separate parsers and coordination with new TypeScript features
npm
- Private packages require a paid user or organization account; the free registry publishes publicly only
Pricing, plan by plan
ESLint
FreeNo published plan breakdown. See the ESLint review.
npm
Free- FreeFree
- Unlimited public packages
- Package discovery
- npm CLI
- Pro$7/month
- Unlimited private packages
- Package analytics
- Support
- Teams$7/month
- Team management
- Organization packages
- Audit logs
Which should you pick?
Choose ESLint if
- You want to start without paying.
- You work on Browser-based JavaScript, Node.js, Any JavaScript environment.
Choose npm if
- You need package installation.
- You want to start without paying.
- You work on Windows, Macos, Linux.
- You also want dependency management.
Questions people ask
- Is ESLint or npm better?
- Neither clearly leads. ESLint starts at Free and npm at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, ESLint or npm?
- ESLint starts at Free and npm at Free.
- Does ESLint or npm run on more platforms?
- ESLint runs on Browser-based JavaScript, Node.js, Any JavaScript environment. npm runs on Windows, Macos, Linux.
- Can I use ESLint for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is ESLint best used for?
- ESLint is most often used for statically analysing javascript and jsx to find problems before runtime, automatically fixing issues with syntax-aware rewrites, enforcing a consistent code style across a team, running as a ci step to block non-conforming code. Of those, statically analysing javascript and jsx to find problems before runtime and automatically fixing issues with syntax-aware rewrites are not what npm is typically brought in for.
- What can ESLint do that npm cannot?
- npm covers Package installation, Dependency management, Version management, Script running.
Answered from the vendors’ own pages
ESLint: Does ESLint automatically fix code issues?
Many problems ESLint finds can be automatically fixed via the --fix flag. ESLint fixes are syntax-aware so you won't experience errors introduced by traditional find-and-replace algorithms.
SourceESLint: How much does ESLint cost?
ESLint is completely free and open-source software maintained by the OpenJS Foundation. The project accepts voluntary donations from sponsors.
SourceESLint: Can I write custom ESLint rules?
Yes. You can develop custom rules that work alongside built-in functionality through ESLint's plugin system, allowing complete customization for your project needs.
SourceRelated pages
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- npm vs Express.js
- npm vs FastAPI
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