René's URL Explorer Experiment


Title: [WIP] Contextual narrowing to object by DanielRosenwasser · Pull Request #48576 · microsoft/TypeScript · GitHub

Open Graph Title: [WIP] Contextual narrowing to object by DanielRosenwasser · Pull Request #48576 · microsoft/TypeScript

X Title: [WIP] Contextual narrowing to object by DanielRosenwasser · Pull Request #48576 · microsoft/TypeScript

Description: TypeScript is a superset of JavaScript that compiles to clean JavaScript output. - [WIP] Contextual narrowing to object by DanielRosenwasser · Pull Request #48576 · microsoft/TypeScript

Open Graph Description: Related: #48468

X Description: Related: #48468

Opengraph URL: https://github.com/microsoft/TypeScript/pull/48576

X: @github

direct link

Domain: github.com

route-pattern/_view_fragments/voltron/pull_requests/show/:user_id/:repository/:id/pull_request_layout(.:format)
route-controllervoltron_pull_requests_fragments
route-actionpull_request_layout
fetch-noncev2:385477bf-3db8-42ac-e3db-201ffbbce8b9
current-catalog-service-hashae870bc5e265a340912cde392f23dad3671a0a881730ffdadd82f2f57d81641b
request-id9AD4:47423:4810C48:65C3C46:6A4FC2FC
html-safe-nonce41a1214b88e6086c4a61c202927754086593151d3480b690050059f208c346a6
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiI5QUQ0OjQ3NDIzOjQ4MTBDNDg6NjVDM0M0Njo2QTRGQzJGQyIsInZpc2l0b3JfaWQiOiIxMjM2MjU3NTI1NjMzODkzMTE2IiwicmVnaW9uX2VkZ2UiOiJpYWQiLCJyZWdpb25fcmVuZGVyIjoiaWFkIn0=
visitor-hmac1017d6e772fcf29b1b1e3438518ca6359b4d0a42f1aa39ebc8b5ff5e0eba4b12
hovercard-subject-tagpull_request:900774395
github-keyboard-shortcutsrepository,pull-request-list,pull-request-conversation,pull-request-files-changed,copilot
google-site-verificationApib7-x98H0j5cPqHWwSMm6dNU4GmODRoqxLiDzdx9I
octolytics-urlhttps://collector.github.com/github/collect
analytics-location///voltron/pull_requests_fragments/pull_request_layout
fb:app_id1401488693436528
apple-itunes-appapp-id=1477376905, app-argument=https://github.com/_view_fragments/voltron/pull_requests/show/microsoft/TypeScript/48576/pull_request_layout
twitter:imagehttps://opengraph.githubassets.com/aac6e68e801b4e3ca0638697968b3bcce702b72162bad0f136db158b77445696/microsoft/TypeScript/pull/48576
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/aac6e68e801b4e3ca0638697968b3bcce702b72162bad0f136db158b77445696/microsoft/TypeScript/pull/48576
og:image:altRelated: #48468
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
og:author:usernameDanielRosenwasser
hostnamegithub.com
expected-hostnamegithub.com
None7d8f8209b188a80e19a6957836ab9229715797be5db1a04163963c674ccc33f6
turbo-cache-controlno-cache
go-importgithub.com/microsoft/TypeScript git https://github.com/microsoft/TypeScript.git
octolytics-dimension-user_id6154722
octolytics-dimension-user_loginmicrosoft
octolytics-dimension-repository_id20929025
octolytics-dimension-repository_nwomicrosoft/TypeScript
octolytics-dimension-repository_publictrue
octolytics-dimension-repository_is_forkfalse
octolytics-dimension-repository_network_root_id20929025
octolytics-dimension-repository_network_root_nwomicrosoft/TypeScript
turbo-body-classeslogged-out env-production page-responsive
disable-turbofalse
browser-stats-urlhttps://api.github.com/_private/browser/stats
browser-errors-urlhttps://api.github.com/_private/browser/errors
releaseea848e83cf3bf3613dd7b13d52965a684fd23ec5
ui-targetfull
theme-color#1e2327
color-schemelight dark

Links:

Skip to contenthttps://github.com/microsoft/TypeScript/pull/48576#start-of-content
https://github.com/
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fmicrosoft%2FTypeScript%2Fpull%2F48576
GitHub CopilotWrite better code with AIhttps://github.com/features/copilot
GitHub Copilot appDirect agents from issue to mergehttps://github.com/features/ai/github-app
MCP RegistryNewIntegrate external toolshttps://github.com/mcp
ActionsAutomate any workflowhttps://github.com/features/actions
CodespacesInstant dev environmentshttps://github.com/features/codespaces
IssuesPlan and track workhttps://github.com/features/issues
Code ReviewManage code changeshttps://github.com/features/code-review
GitHub Advanced SecurityFind and fix vulnerabilitieshttps://github.com/security/advanced-security
Code securitySecure your code as you buildhttps://github.com/security/advanced-security/code-security
Secret protectionStop leaks before they starthttps://github.com/security/advanced-security/secret-protection
Why GitHubhttps://github.com/why-github
Documentationhttps://docs.github.com
Bloghttps://github.blog
Changeloghttps://github.blog/changelog
Marketplacehttps://github.com/marketplace
View all featureshttps://github.com/features
Enterpriseshttps://github.com/enterprise
Small and medium teamshttps://github.com/team
Startupshttps://github.com/enterprise/startups
Nonprofitshttps://github.com/solutions/industry/nonprofits
App Modernizationhttps://github.com/solutions/use-case/app-modernization
DevSecOpshttps://github.com/solutions/use-case/devsecops
DevOpshttps://github.com/solutions/use-case/devops
CI/CDhttps://github.com/solutions/use-case/ci-cd
View all use caseshttps://github.com/solutions/use-case
Healthcarehttps://github.com/solutions/industry/healthcare
Financial serviceshttps://github.com/solutions/industry/financial-services
Manufacturinghttps://github.com/solutions/industry/manufacturing
Governmenthttps://github.com/solutions/industry/government
View all industrieshttps://github.com/solutions/industry
View all solutionshttps://github.com/solutions
AIhttps://github.com/resources/articles?topic=ai
Software Developmenthttps://github.com/resources/articles?topic=software-development
DevOpshttps://github.com/resources/articles?topic=devops
Securityhttps://github.com/resources/articles?topic=security
View all topicshttps://github.com/resources/articles
Customer storieshttps://github.com/customer-stories
Events & webinarshttps://github.com/resources/events
Ebooks & reportshttps://github.com/resources/whitepapers
Business insightshttps://github.com/solutions/executive-insights
GitHub Skillshttps://skills.github.com
Documentationhttps://docs.github.com
Customer supporthttps://support.github.com
Community forumhttps://github.com/orgs/community/discussions
Trust centerhttps://github.com/trust-center
Partnershttps://github.com/partners
View all resourceshttps://github.com/resources
GitHub SponsorsFund open source developershttps://github.com/open-source/sponsors
Security Labhttps://securitylab.github.com
Maintainer Communityhttps://maintainers.github.com
Acceleratorhttps://github.com/open-source/accelerator
GitHub Starshttps://stars.github.com
Archive Programhttps://archiveprogram.github.com
Topicshttps://github.com/topics
Trendinghttps://github.com/trending
Collectionshttps://github.com/collections
Enterprise platformAI-powered developer platformhttps://github.com/enterprise
GitHub Advanced SecurityEnterprise-grade security featureshttps://github.com/security/advanced-security
Copilot for BusinessEnterprise-grade AI featureshttps://github.com/features/copilot/copilot-business
Premium SupportEnterprise-grade 24/7 supporthttps://github.com/enterprise/premium-support
Pricinghttps://github.com/pricing
Search syntax tipshttps://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax
documentationhttps://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fmicrosoft%2FTypeScript%2Fpull%2F48576
Sign up https://github.com/signup?ref_cta=Sign+up&ref_loc=header+logged+out&ref_page=%2F%3Cuser-name%3E%2F%3Crepo-name%3E%2Fvoltron%2Fpull_requests_fragments%2Fpull_request_layout&source=header-repo&source_repo=microsoft%2FTypeScript
Reloadhttps://github.com/microsoft/TypeScript/pull/48576
Reloadhttps://github.com/microsoft/TypeScript/pull/48576
Reloadhttps://github.com/microsoft/TypeScript/pull/48576
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/48576
microsoft https://github.com/microsoft
TypeScripthttps://github.com/microsoft/TypeScript
Notifications https://github.com/login?return_to=%2Fmicrosoft%2FTypeScript
Fork 13.5k https://github.com/login?return_to=%2Fmicrosoft%2FTypeScript
Star 110k https://github.com/login?return_to=%2Fmicrosoft%2FTypeScript
Code https://github.com/microsoft/TypeScript
Issues 5k+ https://github.com/microsoft/TypeScript/issues
Pull requests 33 https://github.com/microsoft/TypeScript/pulls
Actions https://github.com/microsoft/TypeScript/actions
Projects https://github.com/microsoft/TypeScript/projects
Models https://github.com/microsoft/TypeScript/models
Wiki https://github.com/microsoft/TypeScript/wiki
Security and quality 0 https://github.com/microsoft/TypeScript/security
Insights https://github.com/microsoft/TypeScript/pulse
Code https://github.com/microsoft/TypeScript
Issues https://github.com/microsoft/TypeScript/issues
Pull requests https://github.com/microsoft/TypeScript/pulls
Actions https://github.com/microsoft/TypeScript/actions
Projects https://github.com/microsoft/TypeScript/projects
Models https://github.com/microsoft/TypeScript/models
Wiki https://github.com/microsoft/TypeScript/wiki
Security and quality https://github.com/microsoft/TypeScript/security
Insights https://github.com/microsoft/TypeScript/pulse
DanielRosenwasserhttps://github.com/DanielRosenwasser
mainhttps://github.com/microsoft/TypeScript/tree/main
contextualNarrowingToObjecthttps://github.com/microsoft/TypeScript/tree/contextualNarrowingToObject
Conversationhttps://github.com/microsoft/TypeScript/pull/48576
Commits6 (6)https://github.com/microsoft/TypeScript/pull/48576/commits
Checkshttps://github.com/microsoft/TypeScript/pull/48576/checks
Files changedhttps://github.com/microsoft/TypeScript/pull/48576/files
[WIP] Contextual narrowing to objecthttps://github.com/microsoft/TypeScript/pull/48576#top
DanielRosenwasserhttps://github.com/DanielRosenwasser
mainhttps://github.com/microsoft/TypeScript/tree/main
contextualNarrowingToObjecthttps://github.com/microsoft/TypeScript/tree/contextualNarrowingToObject
https://github.com/DanielRosenwasser
DanielRosenwasserhttps://github.com/DanielRosenwasser
Apr 5, 2022https://github.com/microsoft/TypeScript/pull/48576#issue-1193781055
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/48576
#48468https://github.com/microsoft/TypeScript/issues/48468
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/48576
https://github.com/DanielRosenwasser
DanielRosenwasserhttps://github.com/DanielRosenwasser
Apr 5, 2022https://github.com/microsoft/TypeScript/pull/48576#event-6374998552
https://github.com/DanielRosenwasser
DanielRosenwasserhttps://github.com/DanielRosenwasser
Apr 5, 2022 https://github.com/microsoft/TypeScript/pull/48576#ref-issue-1184421067
Generic type no longer narrowed as expected without extends object #48468 https://github.com/microsoft/TypeScript/issues/48468
https://github.com/typescript-bot
typescript-bothttps://github.com/typescript-bot
DanielRosenwasserhttps://github.com/DanielRosenwasser
Apr 5, 2022https://github.com/microsoft/TypeScript/pull/48576#event-6375292676
https://github.com/typescript-bot
typescript-bothttps://github.com/typescript-bot
Author: Team https://github.com/microsoft/TypeScript/issues?q=state%3Aopen%20label%3A%22Author%3A%20Team%22
For Uncommitted Bug https://github.com/microsoft/TypeScript/issues?q=state%3Aopen%20label%3A%22For%20Uncommitted%20Bug%22
Apr 5, 2022https://github.com/microsoft/TypeScript/pull/48576#event-6375292709
https://github.com/DanielRosenwasser
DanielRosenwasserhttps://github.com/DanielRosenwasser
Apr 27, 2022https://github.com/microsoft/TypeScript/pull/48576#issuecomment-1111372495
@typescript-bothttps://github.com/typescript-bot
@typescript-bothttps://github.com/typescript-bot
@typescript-bothttps://github.com/typescript-bot
@typescript-bothttps://github.com/typescript-bot
@typescript-bothttps://github.com/typescript-bot
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/48576
https://github.com/typescript-bot
Sign in to viewhttps://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fmicrosoft%2FTypeScript%2Fpull%2F48576
https://github.com/typescript-bot
Sign in to viewhttps://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fmicrosoft%2FTypeScript%2Fpull%2F48576
https://github.com/typescript-bot
Sign in to viewhttps://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fmicrosoft%2FTypeScript%2Fpull%2F48576
https://github.com/typescript-bot
Sign in to viewhttps://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fmicrosoft%2FTypeScript%2Fpull%2F48576
https://github.com/typescript-bot
Sign in to viewhttps://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fmicrosoft%2FTypeScript%2Fpull%2F48576
https://github.com/typescript-bot
typescript-bothttps://github.com/typescript-bot
Apr 27, 2022 https://github.com/microsoft/TypeScript/pull/48576#ref-pullrequest-1217817170
🤖 User test baselines have changed for contextualNarrowingToObject typescript-bot/TypeScript#234 https://github.com/typescript-bot/TypeScript/pull/234
https://github.com/typescript-bot
Sign in to viewhttps://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fmicrosoft%2FTypeScript%2Fpull%2F48576
https://github.com/typescript-bot
Sign in to viewhttps://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fmicrosoft%2FTypeScript%2Fpull%2F48576
https://github.com/DanielRosenwasser
DanielRosenwasserhttps://github.com/DanielRosenwasser
ahejlsberghttps://github.com/ahejlsberg
weswighamhttps://github.com/weswigham
April 27, 2022 23:01https://github.com/microsoft/TypeScript/pull/48576#event-6510653228
https://github.com/DanielRosenwasser
DanielRosenwasserhttps://github.com/DanielRosenwasser
Apr 27, 2022https://github.com/microsoft/TypeScript/pull/48576#issuecomment-1111560530
@typescript-bothttps://github.com/typescript-bot
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/48576
https://github.com/typescript-bot
typescript-bothttps://github.com/typescript-bot
Apr 27, 2022https://github.com/microsoft/TypeScript/pull/48576#issuecomment-1111560555
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/48576
@DanielRosenwasserhttps://github.com/DanielRosenwasser
1e2eb03https://github.com/microsoft/TypeScript/commit/1e2eb039c574a7c0450ee1cb3646905cfb70b73a
herehttps://typescript.visualstudio.com/cf7ac146-d525-443c-b23c-0d58337efebc/_build/results?buildId=125244
The results are in!https://github.com/microsoft/TypeScript/pull/48576#issuecomment-1111568433
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/48576
https://github.com/DanielRosenwasser
DanielRosenwasserhttps://github.com/DanielRosenwasser
Apr 27, 2022 https://github.com/microsoft/TypeScript/pull/48576#pullrequestreview-955621864
View reviewed changes https://github.com/microsoft/TypeScript/pull/48576/files
src/compiler/checker.tshttps://github.com/microsoft/TypeScript/pull/48576/files#diff-d9ab6589e714c71e657f601cf30ff51dfc607fc98419bf72e04f6b0fa92cc4b8
DanielRosenwasserhttps://github.com/DanielRosenwasser
Apr 27, 2022https://github.com/microsoft/TypeScript/pull/48576#discussion_r860307189
Learn morehttps://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/48576
https://github.com/ahejlsberg
ahejlsberghttps://github.com/ahejlsberg
Apr 27, 2022 https://github.com/microsoft/TypeScript/pull/48576#pullrequestreview-955628817
View reviewed changes https://github.com/microsoft/TypeScript/pull/48576/files
src/compiler/checker.tshttps://github.com/microsoft/TypeScript/pull/48576/files#diff-d9ab6589e714c71e657f601cf30ff51dfc607fc98419bf72e04f6b0fa92cc4b8
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/48576
https://github.com/typescript-bot
typescript-bothttps://github.com/typescript-bot
Apr 27, 2022https://github.com/microsoft/TypeScript/pull/48576#issuecomment-1111568433
@DanielRosenwasserhttps://github.com/DanielRosenwasser
Download Benchmarkhttps://typescript.visualstudio.com/cf7ac146-d525-443c-b23c-0d58337efebc/_apis/build/builds/125244/artifacts?artifactName=benchmark&fileId=8D63DB900116D3983E7C06D8BDE11BE33845CB5E61CD2B2BA97C60298591349501&fileName=linux.benchmark
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/48576
DanielRosenwasserhttps://github.com/DanielRosenwasser
April 28, 2022 00:49https://github.com/microsoft/TypeScript/pull/48576#commits-pushed-c95d6f7
https://github.com/DanielRosenwasser
Added test case.https://github.com/microsoft/TypeScript/pull/48576/commits/c95d6f799dd711852e4cff7fb49f7a5a4386e705
c95d6f7https://github.com/microsoft/TypeScript/pull/48576/commits/c95d6f799dd711852e4cff7fb49f7a5a4386e705
https://github.com/DanielRosenwasser
Accepted baselines.https://github.com/microsoft/TypeScript/pull/48576/commits/d4e363a5b5504b8333e76f77adf6a983274bcc46
d4e363ahttps://github.com/microsoft/TypeScript/pull/48576/commits/d4e363a5b5504b8333e76f77adf6a983274bcc46
https://github.com/DanielRosenwasser
Try to change some logic for contextual narrowing for any instantiabl…https://github.com/microsoft/TypeScript/pull/48576/commits/21fde45c6f202de3471e2d54c2260f5a8975cd20
21fde45https://github.com/microsoft/TypeScript/pull/48576/commits/21fde45c6f202de3471e2d54c2260f5a8975cd20
https://github.com/DanielRosenwasser
Accepted baselines.https://github.com/microsoft/TypeScript/pull/48576/commits/df3766de9d9be733e60ea1f48e8bfc6b735337da
df3766dhttps://github.com/microsoft/TypeScript/pull/48576/commits/df3766de9d9be733e60ea1f48e8bfc6b735337da
https://github.com/DanielRosenwasser
Change in logic, up-front check for instantiables.https://github.com/microsoft/TypeScript/pull/48576/commits/17b7226ac1fad1d764cb5e4efdc29470e3f91206
17b7226https://github.com/microsoft/TypeScript/pull/48576/commits/17b7226ac1fad1d764cb5e4efdc29470e3f91206
https://github.com/DanielRosenwasser
DanielRosenwasserhttps://github.com/DanielRosenwasser
force-pushedhttps://github.com/microsoft/TypeScript/compare/1e2eb039c574a7c0450ee1cb3646905cfb70b73a..ab3f21e2b1bc3f50e3505dc69227605390d813ab
1e2eb03https://github.com/microsoft/TypeScript/commit/1e2eb039c574a7c0450ee1cb3646905cfb70b73a
ab3f21ehttps://github.com/microsoft/TypeScript/commit/ab3f21e2b1bc3f50e3505dc69227605390d813ab
Compare https://github.com/microsoft/TypeScript/compare/1e2eb039c574a7c0450ee1cb3646905cfb70b73a..ab3f21e2b1bc3f50e3505dc69227605390d813ab
April 28, 2022 01:48https://github.com/microsoft/TypeScript/pull/48576#event-6511270187
https://github.com/DanielRosenwasser
DanielRosenwasserhttps://github.com/DanielRosenwasser
Apr 28, 2022https://github.com/microsoft/TypeScript/pull/48576#issuecomment-1111651961
@typescript-bothttps://github.com/typescript-bot
@typescript-bothttps://github.com/typescript-bot
@typescript-bothttps://github.com/typescript-bot
@typescript-bothttps://github.com/typescript-bot
@typescript-bothttps://github.com/typescript-bot
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/48576
https://github.com/typescript-bot
Sign in to viewhttps://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fmicrosoft%2FTypeScript%2Fpull%2F48576
https://github.com/typescript-bot
typescript-bothttps://github.com/typescript-bot
Apr 28, 2022https://github.com/microsoft/TypeScript/pull/48576#issuecomment-1111652041
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/48576
@DanielRosenwasserhttps://github.com/DanielRosenwasser
ab3f21ehttps://github.com/microsoft/TypeScript/commit/ab3f21e2b1bc3f50e3505dc69227605390d813ab
herehttps://typescript.visualstudio.com/cf7ac146-d525-443c-b23c-0d58337efebc/_build/results?buildId=125287
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/48576
https://github.com/typescript-bot
typescript-bothttps://github.com/typescript-bot
Apr 28, 2022https://github.com/microsoft/TypeScript/pull/48576#issuecomment-1111652042
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/48576
@DanielRosenwasserhttps://github.com/DanielRosenwasser
ab3f21ehttps://github.com/microsoft/TypeScript/commit/ab3f21e2b1bc3f50e3505dc69227605390d813ab
herehttps://typescript.visualstudio.com/cf7ac146-d525-443c-b23c-0d58337efebc/_build/results?buildId=125291
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/48576
https://github.com/typescript-bot
typescript-bothttps://github.com/typescript-bot
Apr 28, 2022https://github.com/microsoft/TypeScript/pull/48576#issuecomment-1111652044
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/48576
@DanielRosenwasserhttps://github.com/DanielRosenwasser
ab3f21ehttps://github.com/microsoft/TypeScript/commit/ab3f21e2b1bc3f50e3505dc69227605390d813ab
herehttps://typescript.visualstudio.com/cf7ac146-d525-443c-b23c-0d58337efebc/_build/results?buildId=125288
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/48576
https://github.com/typescript-bot
typescript-bothttps://github.com/typescript-bot
Apr 28, 2022https://github.com/microsoft/TypeScript/pull/48576#issuecomment-1111652045
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/48576
@DanielRosenwasserhttps://github.com/DanielRosenwasser
ab3f21ehttps://github.com/microsoft/TypeScript/commit/ab3f21e2b1bc3f50e3505dc69227605390d813ab
herehttps://typescript.visualstudio.com/cf7ac146-d525-443c-b23c-0d58337efebc/_build/results?buildId=125289
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/48576
https://github.com/typescript-bot
typescript-bothttps://github.com/typescript-bot
Apr 28, 2022https://github.com/microsoft/TypeScript/pull/48576#issuecomment-1111669220
@DanielRosenwasserhttps://github.com/DanielRosenwasser
Download Benchmarkhttps://typescript.visualstudio.com/cf7ac146-d525-443c-b23c-0d58337efebc/_apis/build/builds/125290/artifacts?artifactName=benchmark&fileId=8A71DCA57A98AB2D2D650707792193B0613EE2F1CC2B313E6C1FC8691437E89D01&fileName=linux.benchmark
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/48576
https://github.com/DanielRosenwasser
Accepted baselines.https://github.com/microsoft/TypeScript/pull/48576/commits/0ed8bffa3dda64c553f40b70b455e341c53ce3c6
0ed8bffhttps://github.com/microsoft/TypeScript/pull/48576/commits/0ed8bffa3dda64c553f40b70b455e341c53ce3c6
https://github.com/DanielRosenwasser
DanielRosenwasserhttps://github.com/DanielRosenwasser
force-pushedhttps://github.com/microsoft/TypeScript/compare/ab3f21e2b1bc3f50e3505dc69227605390d813ab..0ed8bffa3dda64c553f40b70b455e341c53ce3c6
ab3f21ehttps://github.com/microsoft/TypeScript/commit/ab3f21e2b1bc3f50e3505dc69227605390d813ab
0ed8bffhttps://github.com/microsoft/TypeScript/commit/0ed8bffa3dda64c553f40b70b455e341c53ce3c6
Compare https://github.com/microsoft/TypeScript/compare/ab3f21e2b1bc3f50e3505dc69227605390d813ab..0ed8bffa3dda64c553f40b70b455e341c53ce3c6
April 28, 2022 05:07https://github.com/microsoft/TypeScript/pull/48576#event-6511979194
https://github.com/DanielRosenwasser
DanielRosenwasserhttps://github.com/DanielRosenwasser
Apr 28, 2022https://github.com/microsoft/TypeScript/pull/48576#issuecomment-1111767711
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/48576
https://github.com/ahejlsberg
ahejlsberghttps://github.com/ahejlsberg
Apr 28, 2022https://github.com/microsoft/TypeScript/pull/48576#issuecomment-1112230096
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/48576
https://github.com/DanielRosenwasser
DanielRosenwasserhttps://github.com/DanielRosenwasser
Apr 28, 2022https://github.com/microsoft/TypeScript/pull/48576#issuecomment-1112564329
@ahejlsberghttps://github.com/ahejlsberg
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/48576
https://github.com/DanielRosenwasser
DanielRosenwasserhttps://github.com/DanielRosenwasser
Apr 28, 2022https://github.com/microsoft/TypeScript/pull/48576#event-6517646343
https://github.com/DanielRosenwasser
DanielRosenwasserhttps://github.com/DanielRosenwasser
April 28, 2022 20:01https://github.com/microsoft/TypeScript/pull/48576#event-6517927858
Design Meeting Notes, 4/27/2022 #48957 https://github.com/microsoft/TypeScript/issues/48957
Investigate (possibly contextual) truthiness narrowing of type parameters #49005 https://github.com/microsoft/TypeScript/issues/49005
https://github.com/DanielRosenwasser
DanielRosenwasserhttps://github.com/DanielRosenwasser
May 13, 2022 https://github.com/microsoft/TypeScript/pull/48576#ref-pullrequest-1234515776
In typeof x === object, type parameters extending unknown narrow like unknown itself #49091 https://github.com/microsoft/TypeScript/pull/49091
https://github.com/microsoft
microsofthttps://github.com/microsoft
Oct 22, 2025https://github.com/microsoft/TypeScript/pull/48576#event-20417519962
https://github.co/hiddenchars
https://github.com/microsoft/TypeScript/pull/{{ revealButtonHref }}
Sign up for freehttps://github.com/join?source=comment-repo
Sign inhttps://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fmicrosoft%2FTypeScript%2Fpull%2F48576
https://github.com/ahejlsberg
ahejlsberg https://github.com/ahejlsberg
https://github.com/microsoft/TypeScript/pull/48576/files/1e2eb039c574a7c0450ee1cb3646905cfb70b73a
https://github.com/weswigham
weswigham https://github.com/weswigham
Copilot code review https://github.com/apps/copilot-pull-request-reviewer
Copilot https://github.com/apps/copilot-pull-request-reviewer
https://github.com/DanielRosenwasser
DanielRosenwasser https://github.com/DanielRosenwasser
Author: Team https://github.com/microsoft/TypeScript/issues?q=state%3Aopen%20label%3A%22Author%3A%20Team%22
For Uncommitted Bug https://github.com/microsoft/TypeScript/issues?q=state%3Aopen%20label%3A%22For%20Uncommitted%20Bug%22
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/48576
https://github.com/DanielRosenwasser
https://github.com/typescript-bot
https://github.com/ahejlsberg
https://github.com
Termshttps://docs.github.com/site-policy/github-terms/github-terms-of-service
Privacyhttps://docs.github.com/site-policy/privacy-policies/github-privacy-statement
Securityhttps://github.com/security
Statushttps://www.githubstatus.com/
Communityhttps://github.community/
Docshttps://docs.github.com/
Contacthttps://support.github.com?tags=dotcom-footer

Viewport: width=device-width

URLs of crawlers that visited me.