nzakas

Nicholas C. Zakas nzakas

Creator of ESLint, independent software developer, consultant, coach, and author.

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eslint/eslint Public

Find and fix problems in your JavaScript code.

JavaScript 25.7k 4.7k
humanwhocodes/computer-science-in-javascript Public

Collection of classic computer science paradigms, algorithms, and approaches written in JavaScript.

JavaScript 9.1k 1.2k
humanwhocodes/mentoss Public

The best way to mock JavaScript fetch requests

JavaScript 173 6
humanwhocodes/crosspost Public

A JavaScript utility for posting across multiple social networks at once

JavaScript 103 1
humanwhocodes/social-changelog Public

A JavaScript utility to summarize a GitHub release changelog into a social media post

JavaScript 16

1,708 contributions in the last year

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March 2025

Created 53 commits in 16 repositories

Created a pull request in eslint/eslint.org that received 10 comments

Mar 7

feat: blog: Evolving flat config with extends

Prerequisites checklist I have read the contributing guidelines. What is the purpose of this pull request? What changes did you make? (Give an …

+223 −0 lines changed • 10 comments

Opened 44 other pull requests in 13 repositories

humanwhocodes/crosspost 8 merged

feat: Add signal option to post()
This contribution was made on Mar 24
feat: Support image embeedding for Dev.to
This contribution was made on Mar 21
feat: Support image uploads for Discord bots
This contribution was made on Mar 21
feat: Support image uploads for Discord Webhooks
This contribution was made on Mar 21
feat: Support image uploads for LinkedIn
This contribution was made on Mar 19
feat: Support image uploads for Twitter
This contribution was made on Mar 18
feat: Support uploading of images
This contribution was made on Mar 18
feat!: Remove CommonJS files
This contribution was made on Mar 18

eslint/csstree 7 merged

fix: Add missing node types and update other types
This contribution was made on Mar 27
fix: SyntaxParseError type
This contribution was made on Mar 19
fix: Add parse.SyntaxError and parse.config types
This contribution was made on Mar 14
feat: passthrough env() in lexer syntax matching
This contribution was made on Mar 13
feat: Add support for typed custom properties
This contribution was made on Mar 13
fix: Add types for onToken callback
This contribution was made on Mar 12
fix: Update CSS syntax
This contribution was made on Mar 12

eslint/css 6 merged

feat!: Rename require-basline -> use-baseline
This contribution was made on Mar 24
fix: Catch more parse errors
This contribution was made on Mar 20
chore: Upgrade @eslint/css-tree
This contribution was made on Mar 18
chore: Post releases on Bluesky too
This contribution was made on Mar 18
fix: Don't check class names in require-baseline
This contribution was made on Mar 18
feat: Switch to @eslint/css-tree
This contribution was made on Mar 12

humanwhocodes/mentoss 5 merged

fix: Ensure ArrayBuffer is passed throughto response
This contribution was made on Mar 28
feat: Match against already-called routes for better errors
This contribution was made on Mar 21
fix: More succinct message when no partial matches found
This contribution was made on Mar 21
docs: Add docs for working with Blobs
This contribution was made on Mar 13
fix: Ensure baseUrl is properly applied to route matching
This contribution was made on Mar 3

eslint/rewrite 2 open 3 merged

feat: Set type for RuleDefinition.defaultOptions
This contribution was made on Mar 27
feat: Better conversion of .eslintrc.js files in migrate-config
This contribution was made on Mar 26
feat: Look up flat/ config alternatives in defineConfig
This contribution was made on Mar 17
feat: Use defineConfig() and globalIgnores() helpers
This contribution was made on Mar 13
chore: Update first config-helpers version
This contribution was made on Mar 6

eslint/eslint 3 merged

feat: defineConfig() supports "flat/" config prefix
This contribution was made on Mar 18
docs: Update docs for defineConfig
This contribution was made on Mar 11
feat: Export defineConfig, globalIgnores
This contribution was made on Mar 7

eslint/json 1 open 1 merged

feat!: Update package types for better reuse
This contribution was made on Mar 28
fix: Update types and apply to all rules
This contribution was made on Mar 10

eslint/create-config 2 merged

chore: Post release to Bluesky
This contribution was made on Mar 18
feat: Output defineConfig in file
This contribution was made on Mar 10

humanwhocodes/social-changelog 2 merged

feat: Switch to OpenAI Responses API
This contribution was made on Mar 14
fix: Ensure post is surrounded by quotes
This contribution was made on Mar 3

humanwhocodes/humanfs 1 open

chore: Update wdio packages
This contribution was made on Mar 26

csstree/csstree 1 open

fix: Update CSS syntax
This contribution was made on Mar 12

eslint/markdown 1 merged

docs: Remove Atom
This contribution was made on Mar 10

eslint/eslint.org 1 merged

feat: Add more details around defineConfig in release notes
This contribution was made on Mar 7

Reviewed 69 pull requests in 15 repositories

eslint/eslint 24 pull requests

chore: remove Rule & FormatterFunction from shared/types.js
This contribution was made on Mar 28
fix: use any[] type for context.options
This contribution was made on Mar 28
feat: support loading TS config files using --experimental-strip-types
This contribution was made on Mar 27
chore: fix some typos in comment
This contribution was made on Mar 26
feat: Introduce a way to suppress violations
This contribution was made on Mar 25
feat: add new options to class-methods-use-this
This contribution was made on Mar 21
feat: support TypeScript syntax in no-useless-constructor
This contribution was made on Mar 21
fix: move deprecated RuleContext methods to subtype
This contribution was made on Mar 20
chore: enabled Prettier in Trunk
This contribution was made on Mar 19
chore: added .git-blame-ignore-revs for Prettier via trunk fmt
This contribution was made on Mar 19
chore: formatted files with Prettier via trunk fmt
This contribution was made on Mar 19
chore: temporarily disable prettier in trunk
This contribution was made on Mar 19
fix: reporting variable used in catch block in no-useless-assignment
This contribution was made on Mar 18
test: skip symlink test on Windows
This contribution was made on Mar 18
feat: circular autofix/conflicting rules detection
This contribution was made on Mar 17
feat: support TypeScript syntax in default-param-last
This contribution was made on Mar 12
fix: navigation of search results on pressing Enter
This contribution was made on Mar 12
fix: no-dupe-keys false positive with proto setter
This contribution was made on Mar 12
docs: Update docs for defineConfig
This contribution was made on Mar 12
fix: allow RuleTester to test files inside node_modules/
This contribution was made on Mar 11
feat: support TypeScript syntax in class-methods-use-this
This contribution was made on Mar 11
chore: remove formatting-related lint rules internally
This contribution was made on Mar 11
test: replace WebdriverIO with Cypress
This contribution was made on Mar 10
feat: Export defineConfig, globalIgnores
This contribution was made on Mar 7

eslint/css 12 pull requests

chore: release 0.6.0 🚀
This contribution was made on Mar 26
docs: Better Baseline comms in use-baseline.md
This contribution was made on Mar 26
docs: Add use-baseline URL
This contribution was made on Mar 24
ci: Use consistent Node.js LTS version in CI Build install workflow
This contribution was made on Mar 24
fix: Add support period-separated layer names in use-layers rule
This contribution was made on Mar 18
fix: expand supported types in baseline-data
This contribution was made on Mar 17
feat: CSS nesting baseline support
This contribution was made on Mar 17
fix: compute baseline status of individual features
This contribution was made on Mar 17
chore: release 0.5.0 🚀
This contribution was made on Mar 14
feat: add support for baseline years
This contribution was made on Mar 14
ci: enable pm checks Yarn v1 and pnpm
This contribution was made on Mar 13
feat: add prefer-logical-properties rule
This contribution was made on Mar 3

eslint/rewrite 5 pull requests

feat: Better conversion of .eslintrc.js files in migrate-config
This contribution was made on Mar 26
feat: normalize patterns to handle "./" prefix in files and ignores
This contribution was made on Mar 20
chore: release main
This contribution was made on Mar 18
chore: Remove hardcoded version
This contribution was made on Mar 18
chore: release main
This contribution was made on Mar 14

eslint/json 4 pull requests

fix: Update types.ts for compatibility with verbatimModuleSyntax
This contribution was made on Mar 24
chore: release 0.11.0 🚀
This contribution was made on Mar 14
fix: Update types and apply to all rules
This contribution was made on Mar 13
feat: Add types to exports
This contribution was made on Mar 10

eslint/eslint.org 4 pull requests

feat: add copy button
This contribution was made on Mar 13
chore: use defineConfig() in eslint config
This contribution was made on Mar 13
fix: search navigation on pressing Enter
This contribution was made on Mar 12
feat: add code explorer in the navbar
This contribution was made on Mar 10

eslint/create-config 3 pull requests

feat: support languages json/markdown/css
This contribution was made on Mar 28
chore: release 1.6.0
This contribution was made on Mar 20
feat: Output defineConfig in file
This contribution was made on Mar 19

humanwhocodes/mentoss 3 pull requests

chore: Format according to prettier config
This contribution was made on Mar 28
chore(deps): update dependency @types/mocha to v10.0.10
This contribution was made on Mar 17
feat: export types for use downstream
This contribution was made on Mar 7

eslint/csstree 3 pull requests

fix: Add missing node types and update other types
This contribution was made on Mar 28
chore: release 3.3.1 🚀
This contribution was made on Mar 20
chore: Set up release-please
This contribution was made on Mar 10

eslint/markdown 2 pull requests

test: create tests for MarkdownLanguage
This contribution was made on Mar 28
fix: provide a language-specific definition for RuleModule
This contribution was made on Mar 26

humanwhocodes/env 2 pull requests

chore(main): release env 4.0.1
This contribution was made on Mar 28
fix: Allow future node versions
This contribution was made on Mar 28

eslint/rfcs 2 pull requests

feat: multithread linting
This contribution was made on Mar 27
feat: Introduce ecosystem tests for popular plugins
This contribution was made on Mar 18

eslint/code-explorer 2 pull requests

ci: setup checks for update of branch main and for PRs
This contribution was made on Mar 3
chore: avoid react linting errors (attempt #2)
This contribution was made on Mar 3

eslint-community/eslint-plugin-security 1 pull request

ci: migrate to manifest config
This contribution was made on Mar 11

eslint/eslintrc 1 pull request

fix: correct types field in package.json
This contribution was made on Mar 10

eslint/tsc-meetings 1 pull request

docs: Add 2025-03-06 meeting notes
This contribution was made on Mar 7

Created an issue in stylelint/stylelint that received 17 comments

Mar 12

Refactor to use ESLint's CSSTree fork

Hi folks, Over at ESLint, we've decided to create a fork of CSSTree due to the long release cycles of the official CSSTree. We've incorporated upda…

17 comments

Opened 11 other issues in 9 repositories

eslint/eslint 2 closed 1 open

Change Request: Better support plugins with both eslintrc and flat configs
This contribution was made on Mar 13
Docs: Keyboard doesn't work with search box
This contribution was made on Mar 11
Change Request: Enable JSX reference tracking
This contribution was made on Mar 10

microsoft/TypeScript-TmLanguage 1 open

JSDoc syntax highlighting/intellisense not working for JSDoc @import
This contribution was made on Mar 28

vltpkg/reproduce 1 open

[BUG] Error when running via npx
This contribution was made on Mar 25

discord/discord-api-docs 1 closed

Webhook - not displaying images in chat
This contribution was made on Mar 20

eslint/css 1 closed

Change Request: rename require-baseline to use-baseline
This contribution was made on Mar 20

eslint/rewrite 1 closed

Change Request: Update migrate-config to use defineConfig
This contribution was made on Mar 13

web-platform-dx/web-features 1 open

Baseline data incorrect in npm package
This contribution was made on Mar 11

typescript-eslint/typescript-eslint 1 open

Docs: Remove mention of tseslint.config()
This contribution was made on Mar 10

humanwhocodes/mentoss 1 open

Change Request: Support redirects
This contribution was made on Mar 7

Started 2 discussions in 2 repositories

mdn/mdn-community

@webref/css not providing same info as mdn-data
This contribution was made on Mar 3

eslint/csstree

Welcome to csstree Discussions!
This contribution was made on Mar 3

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Nicholas C. Zakas nzakas

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1,708 contributions in the last year

Contribution activity

March 2025

Created a pull request in eslint/eslint.org that received 10 comments

feat: blog: Evolving flat config with extends

Created an issue in stylelint/stylelint that received 17 comments

Refactor to use ESLint's CSSTree fork