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ljharb/README.md

Hi My name's Jordan, and I've gradually mutated over the last decade into being super obsessed with open source, backwards compatibility, and finding ways to balance what I feel are ethical obligations to all users of projects I interact with, with the very real problem of time management, burnout, and work/life balance.

I've been a part of TC39 (the committee that writes the specification for JavaScript) since 2014, and I was an editor of the specification from 2018-2021. I've been heavily involved in the node community for as many years, and I've gradually created (but mostly inherited or been gifted) a decent number of open source projects. I persist in trying to maintain them all with maximal back compat, the strictest adherence to semver, and the greatest respect for users.

Projects I Maintain

qs nvm.sh resolve tape
airbnb javascript styleguide/eslint configs prop-types compat-table es-abstract
enzyme organization enzyme
es-shims organization es5-shim es6-shim object.assign
inspect-js organization object-inspect deep-equal which-collection
jsx-eslint organization eslint-plugin-react eslint-plugin-jsx-a11y
import-js organization eslint-plugin-import

… and many more on npm

Standards/Communities I Contribute To

this includes participation in working groups, committees, meetings, general issue triage, etc

How Sponsorship Helps

Although open source is a huge part of my life, it's not the most important part - I have a spouse, kids, and a dog; bills to pay; and I also try to give back to the wider community.

Sponsorship helps fund domains, travel, but also other sponsorships

Github Stats

GitHub stats

Pinned

  1. JavaScript Style Guide

    JavaScript 133k 25.2k

  2. nvm-sh/nvm Public

    Node Version Manager - POSIX-compliant bash script to manage multiple active node.js versions

    Shell 65.8k 7.1k

  3. ECMAScript 5 compatibility shims for legacy (and modern) JavaScript engines

    JavaScript 7.1k 942

  4. qs Public

    A querystring parser with nesting support

    JavaScript 7.7k 730

  5. Tracking ECMAScript Proposals

    16.6k 725

  6. 1
    # Array Iteration
    2
    
                  
    3
    https://gist.github.com/ljharb/58faf1cfcb4e6808f74aae4ef7944cff
    4
    
                  
    5
    While attempting to explain JavaScript's `reduce` method on arrays, conceptually, I came up with the following - hopefully it's helpful; happy to tweak it if anyone has suggestions.

5,022 contributions in the last year

10 contributions on Sunday, March 27, 2022 19 contributions on Monday, March 28, 2022 11 contributions on Tuesday, March 29, 2022 14 contributions on Wednesday, March 30, 2022 22 contributions on Thursday, March 31, 2022 11 contributions on Friday, April 1, 2022 12 contributions on Saturday, April 2, 2022 9 contributions on Sunday, April 3, 2022 6 contributions on Monday, April 4, 2022 23 contributions on Tuesday, April 5, 2022 11 contributions on Wednesday, April 6, 2022 14 contributions on Thursday, April 7, 2022 38 contributions on Friday, April 8, 2022 19 contributions on Saturday, April 9, 2022 47 contributions on Sunday, April 10, 2022 98 contributions on Monday, April 11, 2022 32 contributions on Tuesday, April 12, 2022 22 contributions on Wednesday, April 13, 2022 32 contributions on Thursday, April 14, 2022 13 contributions on Friday, April 15, 2022 23 contributions on Saturday, April 16, 2022 1 contribution on Sunday, April 17, 2022 17 contributions on Monday, April 18, 2022 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contributions on Wednesday, June 29, 2022 4 contributions on Thursday, June 30, 2022 2 contributions on Friday, July 1, 2022 2 contributions on Saturday, July 2, 2022 2 contributions on Sunday, July 3, 2022 3 contributions on Monday, July 4, 2022 10 contributions on Tuesday, July 5, 2022 14 contributions on Wednesday, July 6, 2022 30 contributions on Thursday, July 7, 2022 26 contributions on Friday, July 8, 2022 11 contributions on Saturday, July 9, 2022 10 contributions on Sunday, July 10, 2022 13 contributions on Monday, July 11, 2022 13 contributions on Tuesday, July 12, 2022 14 contributions on Wednesday, July 13, 2022 18 contributions on Thursday, July 14, 2022 13 contributions on Friday, July 15, 2022 6 contributions on Saturday, July 16, 2022 4 contributions on Sunday, July 17, 2022 6 contributions on Monday, July 18, 2022 18 contributions on Tuesday, July 19, 2022 21 contributions on Wednesday, July 20, 2022 17 contributions on Thursday, July 21, 2022 2 contributions on Friday, July 22, 2022 1 contribution on Saturday, July 23, 2022 1 contribution on Sunday, July 24, 2022 1 contribution on Monday, July 25, 2022 2 contributions on Tuesday, July 26, 2022 2 contributions on Wednesday, July 27, 2022 1 contribution on Thursday, July 28, 2022 4 contributions on Friday, July 29, 2022 7 contributions on Saturday, July 30, 2022 3 contributions on Sunday, July 31, 2022 1 contribution on Monday, August 1, 2022 3 contributions on Tuesday, August 2, 2022 12 contributions on Wednesday, August 3, 2022 16 contributions on Thursday, August 4, 2022 12 contributions on Friday, August 5, 2022 10 contributions on Saturday, August 6, 2022 1 contribution on Sunday, August 7, 2022 11 contributions on Monday, August 8, 2022 15 contributions on Tuesday, August 9, 2022 11 contributions on Wednesday, August 10, 2022 9 contributions on Thursday, August 11, 2022 6 contributions on Friday, August 12, 2022 5 contributions on Saturday, August 13, 2022 24 contributions on Sunday, August 14, 2022 8 contributions on Monday, August 15, 2022 17 contributions on Tuesday, August 16, 2022 7 contributions on Wednesday, August 17, 2022 3 contributions on Thursday, August 18, 2022 6 contributions on Friday, August 19, 2022 1 contribution on Saturday, August 20, 2022 3 contributions on Sunday, August 21, 2022 9 contributions on Monday, August 22, 2022 23 contributions on Tuesday, August 23, 2022 12 contributions on Wednesday, August 24, 2022 11 contributions on Thursday, August 25, 2022 11 contributions on Friday, August 26, 2022 5 contributions on Saturday, August 27, 2022 2 contributions on Sunday, August 28, 2022 5 contributions on Monday, August 29, 2022 6 contributions on Tuesday, August 30, 2022 10 contributions on Wednesday, August 31, 2022 7 contributions on Thursday, September 1, 2022 12 contributions on Friday, September 2, 2022 9 contributions on Saturday, September 3, 2022 8 contributions on Sunday, September 4, 2022 13 contributions on Monday, September 5, 2022 16 contributions on Tuesday, September 6, 2022 14 contributions on Wednesday, September 7, 2022 13 contributions on Thursday, September 8, 2022 4 contributions on Friday, September 9, 2022 4 contributions on Saturday, September 10, 2022 12 contributions on Sunday, September 11, 2022 16 contributions on Monday, September 12, 2022 19 contributions on Tuesday, September 13, 2022 20 contributions on Wednesday, September 14, 2022 11 contributions on Thursday, September 15, 2022 5 contributions on Friday, September 16, 2022 12 contributions on Saturday, September 17, 2022 6 contributions on Sunday, September 18, 2022 22 contributions on Monday, September 19, 2022 15 contributions on Tuesday, September 20, 2022 15 contributions on Wednesday, September 21, 2022 67 contributions on Thursday, September 22, 2022 18 contributions on Friday, September 23, 2022 2 contributions on Saturday, September 24, 2022 2 contributions on Sunday, September 25, 2022 5 contributions on Monday, September 26, 2022 10 contributions on Tuesday, September 27, 2022 4 contributions on Wednesday, September 28, 2022 6 contributions on Thursday, September 29, 2022 10 contributions on Friday, September 30, 2022 1 contribution on Saturday, October 1, 2022 1 contribution on Sunday, October 2, 2022 5 contributions on Monday, October 3, 2022 2 contributions on Tuesday, October 4, 2022 3 contributions on Wednesday, October 5, 2022 9 contributions on Thursday, October 6, 2022 10 contributions on Friday, October 7, 2022 8 contributions on Saturday, October 8, 2022 3 contributions on Sunday, October 9, 2022 39 contributions on Monday, October 10, 2022 48 contributions on Tuesday, October 11, 2022 83 contributions on Wednesday, October 12, 2022 11 contributions on Thursday, October 13, 2022 5 contributions on Friday, October 14, 2022 2 contributions on Saturday, October 15, 2022 9 contributions on Sunday, October 16, 2022 9 contributions on Monday, October 17, 2022 17 contributions on Tuesday, October 18, 2022 5 contributions on Wednesday, October 19, 2022 12 contributions on Thursday, October 20, 2022 3 contributions on Friday, October 21, 2022 2 contributions on Saturday, October 22, 2022 3 contributions on Sunday, October 23, 2022 5 contributions on Monday, October 24, 2022 19 contributions on Tuesday, October 25, 2022 134 contributions on Wednesday, October 26, 2022 83 contributions on Thursday, October 27, 2022 6 contributions on Friday, October 28, 2022 1 contribution on Saturday, October 29, 2022 40 contributions on Sunday, October 30, 2022 3 contributions on Monday, October 31, 2022 140 contributions on Tuesday, November 1, 2022 144 contributions on Wednesday, November 2, 2022 105 contributions on Thursday, November 3, 2022 106 contributions on Friday, November 4, 2022 29 contributions on Saturday, November 5, 2022 88 contributions on Sunday, November 6, 2022 123 contributions on Monday, November 7, 2022 7 contributions on Tuesday, November 8, 2022 6 contributions on Wednesday, November 9, 2022 10 contributions on Thursday, November 10, 2022 2 contributions on Friday, November 11, 2022 1 contribution on Saturday, November 12, 2022 4 contributions on Sunday, November 13, 2022 2 contributions on Monday, November 14, 2022 4 contributions on Tuesday, November 15, 2022 19 contributions on Wednesday, November 16, 2022 12 contributions on Thursday, November 17, 2022 19 contributions on Friday, November 18, 2022 4 contributions on Saturday, November 19, 2022 6 contributions on Sunday, November 20, 2022 4 contributions on Monday, November 21, 2022 6 contributions on Tuesday, November 22, 2022 2 contributions on Wednesday, November 23, 2022 8 contributions on Thursday, November 24, 2022 2 contributions on Friday, November 25, 2022 1 contribution on Saturday, November 26, 2022 4 contributions on Sunday, November 27, 2022 17 contributions on Monday, November 28, 2022 20 contributions on Tuesday, November 29, 2022 21 contributions on Wednesday, November 30, 2022 19 contributions on Thursday, December 1, 2022 27 contributions on Friday, December 2, 2022 5 contributions on Saturday, December 3, 2022 8 contributions on Sunday, December 4, 2022 26 contributions on Monday, December 5, 2022 20 contributions on Tuesday, December 6, 2022 7 contributions on Wednesday, December 7, 2022 8 contributions on Thursday, December 8, 2022 14 contributions on Friday, December 9, 2022 4 contributions on Saturday, December 10, 2022 2 contributions on Sunday, December 11, 2022 9 contributions on Monday, December 12, 2022 20 contributions on Tuesday, December 13, 2022 5 contributions on Wednesday, December 14, 2022 8 contributions on Thursday, December 15, 2022 6 contributions on Friday, December 16, 2022 3 contributions on Saturday, December 17, 2022 2 contributions on Sunday, December 18, 2022 24 contributions on Monday, December 19, 2022 22 contributions on Tuesday, December 20, 2022 33 contributions on Wednesday, December 21, 2022 10 contributions on Thursday, December 22, 2022 11 contributions on Friday, December 23, 2022 5 contributions on Saturday, December 24, 2022 3 contributions on Sunday, December 25, 2022 5 contributions on Monday, December 26, 2022 9 contributions on Tuesday, December 27, 2022 6 contributions on Wednesday, December 28, 2022 23 contributions on Thursday, December 29, 2022 5 contributions on Friday, December 30, 2022 5 contributions on Saturday, December 31, 2022 1 contribution on Sunday, January 1, 2023 5 contributions on Monday, January 2, 2023 14 contributions on Tuesday, January 3, 2023 13 contributions on Wednesday, January 4, 2023 19 contributions on Thursday, January 5, 2023 18 contributions on Friday, January 6, 2023 3 contributions on Saturday, January 7, 2023 1 contribution on Sunday, January 8, 2023 20 contributions on Monday, January 9, 2023 12 contributions on Tuesday, January 10, 2023 33 contributions on Wednesday, January 11, 2023 27 contributions on Thursday, January 12, 2023 25 contributions on Friday, January 13, 2023 19 contributions on Saturday, January 14, 2023 20 contributions on Sunday, January 15, 2023 13 contributions on Monday, January 16, 2023 12 contributions on Tuesday, January 17, 2023 18 contributions on Wednesday, January 18, 2023 24 contributions on Thursday, January 19, 2023 12 contributions on Friday, January 20, 2023 1 contribution on Saturday, January 21, 2023 2 contributions on Sunday, January 22, 2023 7 contributions on Monday, January 23, 2023 11 contributions on Tuesday, January 24, 2023 16 contributions on Wednesday, January 25, 2023 16 contributions on Thursday, January 26, 2023 9 contributions on Friday, January 27, 2023 2 contributions on Saturday, January 28, 2023 4 contributions on Sunday, January 29, 2023 18 contributions on Monday, January 30, 2023 15 contributions on Tuesday, January 31, 2023 21 contributions on Wednesday, February 1, 2023 7 contributions on Thursday, February 2, 2023 6 contributions on Friday, February 3, 2023 15 contributions on Saturday, February 4, 2023 11 contributions on Sunday, February 5, 2023 8 contributions on Monday, February 6, 2023 8 contributions on Tuesday, February 7, 2023 7 contributions on Wednesday, February 8, 2023 25 contributions on Thursday, February 9, 2023 8 contributions on Friday, February 10, 2023 7 contributions on Saturday, February 11, 2023 1 contribution on Sunday, February 12, 2023 8 contributions on Monday, February 13, 2023 9 contributions on Tuesday, February 14, 2023 9 contributions on Wednesday, February 15, 2023 7 contributions on Thursday, February 16, 2023 13 contributions on Friday, February 17, 2023 44 contributions on Saturday, February 18, 2023 9 contributions on Sunday, February 19, 2023 7 contributions on Monday, February 20, 2023 8 contributions on Tuesday, February 21, 2023 3 contributions on Wednesday, February 22, 2023 10 contributions on Thursday, February 23, 2023 4 contributions on Friday, February 24, 2023 6 contributions on Saturday, February 25, 2023 6 contributions on Sunday, February 26, 2023 11 contributions on Monday, February 27, 2023 8 contributions on Tuesday, February 28, 2023 11 contributions on Wednesday, March 1, 2023 14 contributions on Thursday, March 2, 2023 9 contributions on Friday, March 3, 2023 2 contributions on Saturday, March 4, 2023 1 contribution on Sunday, March 5, 2023 14 contributions on Monday, March 6, 2023 18 contributions on Tuesday, March 7, 2023 8 contributions on Wednesday, March 8, 2023 6 contributions on Thursday, March 9, 2023 8 contributions on Friday, March 10, 2023 7 contributions on Saturday, March 11, 2023 4 contributions on Sunday, March 12, 2023 8 contributions on Monday, March 13, 2023 12 contributions on Tuesday, March 14, 2023 10 contributions on Wednesday, March 15, 2023 4 contributions on Thursday, March 16, 2023 12 contributions on Friday, March 17, 2023 3 contributions on Saturday, March 18, 2023 2 contributions on Sunday, March 19, 2023 4 contributions on Monday, March 20, 2023 17 contributions on Tuesday, March 21, 2023 20 contributions on Wednesday, March 22, 2023 17 contributions on Thursday, March 23, 2023 9 contributions on Friday, March 24, 2023 2 contributions on Saturday, March 25, 2023 No contributions on Sunday, March 26, 2023 3 contributions on Monday, March 27, 2023 No contributions on Tuesday, March 28, 2023 Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Mon Wed Fri

Contribution activity

March 2023

Created 3 repositories

Created a pull request in DefinitelyTyped/DefinitelyTyped that received 35 comments

[tape] add tape/lib/test types

Please fill in this template. Use a meaningful title for the pull request. Include the name of the package modified. Test the change in your own…

+14 −2 35 comments
Opened 5 other pull requests in 5 repositories
tc39/test262 1 merged
DefinitelyTyped/DefinitelyTyped 1 merged
bterlson/tcq 1 open
semver/semver 1 open
microsoft/TypeScript 1 closed
Reviewed 105 pull requests in 37 repositories
tc39/agendas 22 pull requests
nodejs/node 11 pull requests
npm/cli 5 pull requests
openjs-foundation/cross-project-council 4 pull requests
jsx-eslint/eslint-plugin-react 4 pull requests
tc39/proposals 3 pull requests
tc39/code-of-conduct 3 pull requests
tc39/proposal-import-attributes 3 pull requests
tc39/test262 3 pull requests
nvm-sh/nvm 3 pull requests
tc39/tc39.github.io 3 pull requests
tc39/notes 3 pull requests
openjs-foundation/standards 3 pull requests
tc39/ecma262 3 pull requests
tc39/proposal-temporal 3 pull requests
enzymejs/enzyme 3 pull requests
import-js/eslint-plugin-import 2 pull requests
openjs-foundation/community-fund 2 pull requests
tc39/proposal-await-dictionary 2 pull requests
npm/rfcs 2 pull requests
tc39/ecma402 2 pull requests
nodejs/TSC 1 pull request
williamkapke/node-compat-table 1 pull request
DefinitelyTyped/DefinitelyTyped 1 pull request
airbnb/react-outside-click-handler 1 pull request
12 repositories not shown

Created an issue in tc39/proposal-promise-with-resolvers that received 8 comments

Promise.defer history

Promise.defer was a potential addition to ES6 that was not included. Chrome continued to ship it, until they eventually stopped doing so, since it …

8 comments
Opened 3 other issues in 3 repositories
bterlson/test262-harness 1 open
microsoft/TypeScript 1 open
Naramsim/GithubOriginalStreak 1 open
Started 2 discussions in 1 repository
community/OSPO
Answered 1 discussion in 1 repository
npm/feedback
2 contributions in private repositories Mar 1 – Mar 22

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