René's URL Explorer Experiment


Title: Control flow for constructor initialized properties by ahejlsberg · Pull Request #37920 · microsoft/TypeScript · GitHub

Open Graph Title: Control flow for constructor initialized properties by ahejlsberg · Pull Request #37920 · microsoft/TypeScript

X Title: Control flow for constructor initialized properties by ahejlsberg · Pull Request #37920 · microsoft/TypeScript

Description: With this PR we use control flow analysis of this.xxx assignments in constructors to determine the types of properties that have no type annotations or initializers. In .ts files we perform contro...

Open Graph Description: With this PR we use control flow analysis of this.xxx assignments in constructors to determine the types of properties that have no type annotations or initializers. In .ts files we perform contro...

X Description: With this PR we use control flow analysis of this.xxx assignments in constructors to determine the types of properties that have no type annotations or initializers. In .ts files we perform contro...

Opengraph URL: https://github.com/microsoft/TypeScript/pull/37920

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-noncev2:43cd70b6-1fc7-4bea-d738-155dbaf797fc
current-catalog-service-hashae870bc5e265a340912cde392f23dad3671a0a881730ffdadd82f2f57d81641b
request-id96D2:2F6E42:2B3B04F:3B96973:6964E79E
html-safe-nonce30ff4392e5522049a71c8c75c4bd94e18e356a9f0dccd7ad7c35f9b294ae6c1c
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiI5NkQyOjJGNkU0MjoyQjNCMDRGOjNCOTY5NzM6Njk2NEU3OUUiLCJ2aXNpdG9yX2lkIjoiNDY3NzAzODAxOTIzMzI0NTA4NiIsInJlZ2lvbl9lZGdlIjoiaWFkIiwicmVnaW9uX3JlbmRlciI6ImlhZCJ9
visitor-hmacef89c1843ec6ee4d140905d48da8c163c0887abfc445774190db970fed9c773f
hovercard-subject-tagpull_request:402409679
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/37920/pull_request_layout
twitter:imagehttps://opengraph.githubassets.com/6df7f54d0b9a3f165c3ef85dbe38bc137e3db0fcc3641ccc99fe5aecf14f0ff8/microsoft/TypeScript/pull/37920
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/6df7f54d0b9a3f165c3ef85dbe38bc137e3db0fcc3641ccc99fe5aecf14f0ff8/microsoft/TypeScript/pull/37920
og:image:altWith this PR we use control flow analysis of this.xxx assignments in constructors to determine the types of properties that have no type annotations or initializers. In .ts files we perform contro...
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
og:author:usernameahejlsberg
hostnamegithub.com
expected-hostnamegithub.com
None3c30097417ecb9dfdab6b2e8bc7dc38d73e183d6ad48f94cb69e4a5daa2dbb87
turbo-cache-controlno-preview
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
release69fc54a84c74307369dba42af5401200531d116e
ui-targetfull
theme-color#1e2327
color-schemelight dark

Links:

Skip to contenthttps://github.com/microsoft/TypeScript/pull/37920#start-of-content
https://github.com/
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fmicrosoft%2FTypeScript%2Fpull%2F37920
GitHub CopilotWrite better code with AIhttps://github.com/features/copilot
GitHub SparkBuild and deploy intelligent appshttps://github.com/features/spark
GitHub ModelsManage and compare promptshttps://github.com/features/models
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
GitHub SponsorsFund open source developershttps://github.com/sponsors
Security Labhttps://securitylab.github.com
Maintainer Communityhttps://maintainers.github.com
Acceleratorhttps://github.com/accelerator
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/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%2F37920
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/37920
Reloadhttps://github.com/microsoft/TypeScript/pull/37920
Reloadhttps://github.com/microsoft/TypeScript/pull/37920
microsoft https://github.com/microsoft
TypeScripthttps://github.com/microsoft/TypeScript
Notifications https://github.com/login?return_to=%2Fmicrosoft%2FTypeScript
Fork 13.2k https://github.com/login?return_to=%2Fmicrosoft%2FTypeScript
Star 107k https://github.com/login?return_to=%2Fmicrosoft%2FTypeScript
Code https://github.com/microsoft/TypeScript
Issues 5k https://github.com/microsoft/TypeScript/issues
Pull requests 496 https://github.com/microsoft/TypeScript/pulls
Actions https://github.com/microsoft/TypeScript/actions
Projects 1 https://github.com/microsoft/TypeScript/projects
Models https://github.com/microsoft/TypeScript/models
Wiki https://github.com/microsoft/TypeScript/wiki
Security Uh oh! There was an error while loading. Please reload this page. https://github.com/microsoft/TypeScript/security
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/37920
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 https://github.com/microsoft/TypeScript/security
Insights https://github.com/microsoft/TypeScript/pulse
Sign up for GitHub https://github.com/signup?return_to=%2Fmicrosoft%2FTypeScript%2Fissues%2Fnew%2Fchoose
terms of servicehttps://docs.github.com/terms
privacy statementhttps://docs.github.com/privacy
Sign inhttps://github.com/login?return_to=%2Fmicrosoft%2FTypeScript%2Fissues%2Fnew%2Fchoose
Jump to bottomhttps://github.com/microsoft/TypeScript/pull/37920#issue-comment-box
ahejlsberghttps://github.com/ahejlsberg
masterhttps://github.com/microsoft/TypeScript/tree/master
controlFlowConstructorPropertieshttps://github.com/microsoft/TypeScript/tree/controlFlowConstructorProperties
Control flow for constructor initialized properties https://github.com/microsoft/TypeScript/pull/37920#top
ahejlsberghttps://github.com/ahejlsberg
masterhttps://github.com/microsoft/TypeScript/tree/master
controlFlowConstructorPropertieshttps://github.com/microsoft/TypeScript/tree/controlFlowConstructorProperties
Conversation 16 https://github.com/microsoft/TypeScript/pull/37920
Commits 10 https://github.com/microsoft/TypeScript/pull/37920/commits
Checks 0 https://github.com/microsoft/TypeScript/pull/37920/checks
Files changed https://github.com/microsoft/TypeScript/pull/37920/files
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/37920
https://github.co/hiddenchars
https://github.com/microsoft/TypeScript/pull/{{ revealButtonHref }}
https://github.com/ahejlsberg
ahejlsberghttps://github.com/ahejlsberg
Apr 12, 2020https://github.com/microsoft/TypeScript/pull/37920#issue-598586665
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/37920
#37900https://github.com/microsoft/TypeScript/issues/37900
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/37920
ahejlsberghttps://github.com/ahejlsberg
April 12, 2020 15:27https://github.com/microsoft/TypeScript/pull/37920#commits-pushed-2fbab38
https://github.com/ahejlsberg
Use CFA to determine types of properties declared by this.xxx assignm…https://github.com/microsoft/TypeScript/pull/37920/commits/2fbab38323fc173195820851be4835d52f6c0894
2fbab38https://github.com/microsoft/TypeScript/pull/37920/commits/2fbab38323fc173195820851be4835d52f6c0894
https://github.com/ahejlsberg
Accept new baselineshttps://github.com/microsoft/TypeScript/pull/37920/commits/957d9e64181745de2a70fc87467c675c69765ae1
957d9e6https://github.com/microsoft/TypeScript/pull/37920/commits/957d9e64181745de2a70fc87467c675c69765ae1
https://github.com/ahejlsberg
ahejlsberghttps://github.com/ahejlsberg
Apr 12, 2020 https://github.com/microsoft/TypeScript/pull/37920#ref-issue-598123620
this-property assignments should use autoType to get control flow narrowing #37900 https://github.com/microsoft/TypeScript/issues/37900
https://github.com/weswigham
weswighamhttps://github.com/weswigham
Apr 13, 2020https://github.com/microsoft/TypeScript/pull/37920#issuecomment-613077425
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/37920
@ahejlsberghttps://github.com/ahejlsberg
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/37920
https://github.com/ahejlsberg
ahejlsberghttps://github.com/ahejlsberg
Apr 13, 2020https://github.com/microsoft/TypeScript/pull/37920#issuecomment-613083188
@weswighamhttps://github.com/weswigham
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/37920
ahejlsberghttps://github.com/ahejlsberg
April 14, 2020 10:13https://github.com/microsoft/TypeScript/pull/37920#commits-pushed-6e0274a
https://github.com/ahejlsberg
Also use CFA in constructor functionshttps://github.com/microsoft/TypeScript/pull/37920/commits/6e0274a98a7451e20803b1fd3fa294ad4540d5d8
6e0274ahttps://github.com/microsoft/TypeScript/pull/37920/commits/6e0274a98a7451e20803b1fd3fa294ad4540d5d8
https://github.com/ahejlsberg
Accept new baselineshttps://github.com/microsoft/TypeScript/pull/37920/commits/df98d9c7432491a4f7f1545d8536f326d73fc879
df98d9chttps://github.com/microsoft/TypeScript/pull/37920/commits/df98d9c7432491a4f7f1545d8536f326d73fc879
https://github.com/ahejlsberg
ahejlsberghttps://github.com/ahejlsberg
Apr 14, 2020https://github.com/microsoft/TypeScript/pull/37920#issuecomment-613569308
@typescript-bothttps://github.com/typescript-bot
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/37920
https://github.com/typescript-bot
typescript-bothttps://github.com/typescript-bot
Apr 14, 2020https://github.com/microsoft/TypeScript/pull/37920#issuecomment-613569350
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/37920
@ahejlsberghttps://github.com/ahejlsberg
df98d9chttps://github.com/microsoft/TypeScript/commit/df98d9c7432491a4f7f1545d8536f326d73fc879
herehttps://typescript.visualstudio.com/cf7ac146-d525-443c-b23c-0d58337efebc/_build/results?buildId=71262
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/37920
https://github.com/ahejlsberg
Fix lint errorhttps://github.com/microsoft/TypeScript/pull/37920/commits/0c9c76a14a8e0d61fe410e2633f52f8e1f68ce05
0c9c76ahttps://github.com/microsoft/TypeScript/pull/37920/commits/0c9c76a14a8e0d61fe410e2633f52f8e1f68ce05
https://github.com/typescript-bot
typescript-bothttps://github.com/typescript-bot
Apr 14, 2020 https://github.com/microsoft/TypeScript/pull/37920#ref-pullrequest-599746813
🤖 User test baselines have changed for controlFlowConstructorProperties typescript-bot/TypeScript#21 https://github.com/typescript-bot/TypeScript/pull/21
https://github.com/typescript-bot
typescript-bothttps://github.com/typescript-bot
Apr 14, 2020https://github.com/microsoft/TypeScript/pull/37920#issuecomment-613583771
PR with the baseline diff from masterhttps://github.com/typescript-bot/TypeScript/pull/21
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/37920
https://github.com/ahejlsberg
ahejlsberghttps://github.com/ahejlsberg
Apr 14, 2020https://github.com/microsoft/TypeScript/pull/37920#issuecomment-613603738
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/37920
@sandersnhttps://github.com/sandersn
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/37920
https://github.com/sandersn
sandersnhttps://github.com/sandersn
Apr 14, 2020https://github.com/microsoft/TypeScript/pull/37920#issuecomment-613726218
@ahejlsberghttps://github.com/ahejlsberg
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/37920
https://github.com/ahejlsberg
Only widen fresh literal types in CFA of assignment to auto-typedhttps://github.com/microsoft/TypeScript/pull/37920/commits/728d9cb9117255ae9caae9a8910acf221fe61681
728d9cbhttps://github.com/microsoft/TypeScript/pull/37920/commits/728d9cb9117255ae9caae9a8910acf221fe61681
https://github.com/ahejlsberg
ahejlsberghttps://github.com/ahejlsberg
Apr 16, 2020https://github.com/microsoft/TypeScript/pull/37920#issuecomment-614360999
@typescript-bothttps://github.com/typescript-bot
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/37920
https://github.com/typescript-bot
typescript-bothttps://github.com/typescript-bot
Apr 16, 2020https://github.com/microsoft/TypeScript/pull/37920#issuecomment-614361020
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/37920
@ahejlsberghttps://github.com/ahejlsberg
728d9cbhttps://github.com/microsoft/TypeScript/commit/728d9cb9117255ae9caae9a8910acf221fe61681
herehttps://typescript.visualstudio.com/cf7ac146-d525-443c-b23c-0d58337efebc/_build/results?buildId=71420
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/37920
https://github.com/ahejlsberg
ahejlsberghttps://github.com/ahejlsberg
Apr 16, 2020https://github.com/microsoft/TypeScript/pull/37920#issuecomment-614399720
@sandersnhttps://github.com/sandersn
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/37920
ahejlsberghttps://github.com/ahejlsberg
April 20, 2020 20:33https://github.com/microsoft/TypeScript/pull/37920#commits-pushed-fa6fee8
https://github.com/ahejlsberg
Auto-typing for declared properties with no type annotation or initia…https://github.com/microsoft/TypeScript/pull/37920/commits/fa6fee8ca41663a27774d4a17e114672af58f030
fa6fee8https://github.com/microsoft/TypeScript/pull/37920/commits/fa6fee8ca41663a27774d4a17e114672af58f030
https://github.com/ahejlsberg
Add optionality if declaration includes '?' modifierhttps://github.com/microsoft/TypeScript/pull/37920/commits/e6d7607539e2757ddf38469b1a2b4782c9bd0c83
e6d7607https://github.com/microsoft/TypeScript/pull/37920/commits/e6d7607539e2757ddf38469b1a2b4782c9bd0c83
https://github.com/ahejlsberg
Always use CFA for properties with no initializer in .js fileshttps://github.com/microsoft/TypeScript/pull/37920/commits/33cbb82a37e677e9e272e5963e3a51939df471da
33cbb82https://github.com/microsoft/TypeScript/pull/37920/commits/33cbb82a37e677e9e272e5963e3a51939df471da
https://github.com/ahejlsberg
Small fixhttps://github.com/microsoft/TypeScript/pull/37920/commits/ab993c2b48e60379c991258c504b5d2ea55832dc
ab993c2https://github.com/microsoft/TypeScript/pull/37920/commits/ab993c2b48e60379c991258c504b5d2ea55832dc
https://github.com/ahejlsberg
ahejlsberghttps://github.com/ahejlsberg
Apr 21, 2020https://github.com/microsoft/TypeScript/pull/37920#event-3256983743
https://github.com/ahejlsberg
ahejlsberghttps://github.com/ahejlsberg
Apr 21, 2020https://github.com/microsoft/TypeScript/pull/37920#issuecomment-617283582
@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/37920
https://github.com/typescript-bot
typescript-bothttps://github.com/typescript-bot
Apr 21, 2020https://github.com/microsoft/TypeScript/pull/37920#issuecomment-617283650
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/37920
@ahejlsberghttps://github.com/ahejlsberg
ab993c2https://github.com/microsoft/TypeScript/commit/ab993c2b48e60379c991258c504b5d2ea55832dc
herehttps://typescript.visualstudio.com/cf7ac146-d525-443c-b23c-0d58337efebc/_build/results?buildId=71721
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/37920
https://github.com/typescript-bot
typescript-bothttps://github.com/typescript-bot
Apr 21, 2020https://github.com/microsoft/TypeScript/pull/37920#issuecomment-617283651
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/37920
@ahejlsberghttps://github.com/ahejlsberg
ab993c2https://github.com/microsoft/TypeScript/commit/ab993c2b48e60379c991258c504b5d2ea55832dc
herehttps://typescript.visualstudio.com/cf7ac146-d525-443c-b23c-0d58337efebc/_build/results?buildId=71722
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/37920
https://github.com/typescript-bot
typescript-bothttps://github.com/typescript-bot
Apr 21, 2020https://github.com/microsoft/TypeScript/pull/37920#issuecomment-617283652
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/37920
@ahejlsberghttps://github.com/ahejlsberg
ab993c2https://github.com/microsoft/TypeScript/commit/ab993c2b48e60379c991258c504b5d2ea55832dc
herehttps://typescript.visualstudio.com/cf7ac146-d525-443c-b23c-0d58337efebc/_build/results?buildId=71723
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/37920
https://github.com/DanielRosenwasser
DanielRosenwasserhttps://github.com/DanielRosenwasser
Apr 21, 2020 https://github.com/microsoft/TypeScript/pull/37920#ref-issue-604217273
Design Meeting Notes, 4/17/2020 #38096 https://github.com/microsoft/TypeScript/issues/38096
https://github.com/sandersn
sandersnhttps://github.com/sandersn
Apr 21, 2020https://github.com/microsoft/TypeScript/pull/37920#event-3258182609
https://github.com/DanielRosenwasser
DanielRosenwasserhttps://github.com/DanielRosenwasser
Apr 24, 2020 https://github.com/microsoft/TypeScript/pull/37920#ref-issue-606523375
Design Meeting Notes, 4/24/2020 #38168 https://github.com/microsoft/TypeScript/issues/38168
https://github.com/weswigham
weswighamhttps://github.com/weswigham
Apr 28, 2020 https://github.com/microsoft/TypeScript/pull/37920#pullrequestreview-402231237
View reviewed changes https://github.com/microsoft/TypeScript/pull/37920/files/ab993c2b48e60379c991258c504b5d2ea55832dc
src/compiler/checker.tshttps://github.com/microsoft/TypeScript/pull/37920/files/ab993c2b48e60379c991258c504b5d2ea55832dc#diff-d9ab6589e714c71e657f601cf30ff51dfc607fc98419bf72e04f6b0fa92cc4b8
weswighamhttps://github.com/weswigham
Apr 28, 2020https://github.com/microsoft/TypeScript/pull/37920#discussion_r416939420
Learn morehttps://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/37920
ahejlsberghttps://github.com/ahejlsberg
Apr 28, 2020https://github.com/microsoft/TypeScript/pull/37920#discussion_r416970083
Learn morehttps://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/37920
https://github.com/weswigham
weswighamhttps://github.com/weswigham
Apr 28, 2020 https://github.com/microsoft/TypeScript/pull/37920#pullrequestreview-402287521
View reviewed changes https://github.com/microsoft/TypeScript/pull/37920/files/ab993c2b48e60379c991258c504b5d2ea55832dc
https://github.com/ahejlsberg
ahejlsberghttps://github.com/ahejlsberg
3919042https://github.com/microsoft/TypeScript/commit/3919042c7f1051c9b6006bf906306f3323da15f6
Apr 28, 2020https://github.com/microsoft/TypeScript/pull/37920#event-3282550758
https://github.com/ahejlsberg
ahejlsberghttps://github.com/ahejlsberg
April 28, 2020 23:59https://github.com/microsoft/TypeScript/pull/37920#event-3282550960
https://github.com/ahejlsberg
ahejlsberghttps://github.com/ahejlsberg
TypeScript 4.0https://github.com/microsoft/TypeScript/milestone/114
Apr 29, 2020https://github.com/microsoft/TypeScript/pull/37920#event-3282555684
https://github.com/DanielRosenwasser
DanielRosenwasserhttps://github.com/DanielRosenwasser
May 12, 2020 https://github.com/microsoft/TypeScript/pull/37920#ref-issue-616914856
TypeScript 4.0 Iteration Plan #38510 https://github.com/microsoft/TypeScript/issues/38510
https://github.com/microsoft
microsofthttps://github.com/microsoft
Oct 21, 2025https://github.com/microsoft/TypeScript/pull/37920#event-20416935037
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%2F37920
https://github.com/weswigham
weswigham https://github.com/weswigham
https://github.com/microsoft/TypeScript/pull/37920/files/ab993c2b48e60379c991258c504b5d2ea55832dc
https://github.com/sandersn
sandersn https://github.com/sandersn
PR Backlog https://github.com/orgs/microsoft/projects/1252
TypeScript 4.0.0 https://github.com/microsoft/TypeScript/milestone/114
this-property assignments should use autoType to get control flow narrowing https://github.com/microsoft/TypeScript/issues/37900
Please reload this pagehttps://github.com/microsoft/TypeScript/pull/37920
https://github.com/ahejlsberg
https://github.com/weswigham
https://github.com/typescript-bot
https://github.com/sandersn
https://github.com/apps/copilot-swe-agent
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.