2 Pull requests opened by 2 people

• Use strict subtype relation in `getCommonSupertype`

  #61903 opened Jun 19, 2025

• Fix typo in nightly yaml

  #61906 opened Jun 20, 2025

5 Issues closed by 2 people

• `T` satisfies a constraint that `E extends T` does not (specifically with `Omit`)

  #61870 closed Jun 21, 2025

• When there is only one member in an enumDeclaration, const enum E {A = 1}, the declared type of the enumDeclaration is incorrect

  #61871 closed Jun 21, 2025

• Error in ts.findAncestor caused by ASI

  #61905 closed Jun 20, 2025

• Module resolution: Setting `target` to `ES6` and higher results in numerous `TS2792: Cannot find module 'undici-types'` errors

  #61877 closed Jun 20, 2025

• The output structures of `rootDir` and `rootDirs` are inconsistent

  #61883 closed Jun 20, 2025

3 Issues opened by 3 people

• Add a Serialisable type for the structured clone algorithm

  #61908 opened Jun 21, 2025

• Incorrect generic binding of intersection of array types

  #61907 opened Jun 20, 2025

• @azure/msal-angular Shows Red Import Error in VS Code but Builds Fine

  #61904 opened Jun 19, 2025

38 Unresolved conversations

Sometimes conversations happen on old items that aren’t yet closed. Here is a list of all the Issues and Pull Requests with unresolved conversations.

• Infinite type instantiation around recursive conditional types

  #60237 commented on Jun 19, 2025 • 0 new comments

• Comparing arrays doesn't give any error

  #61889 commented on Jun 19, 2025 • 0 new comments

• disable certain global types for specific files, or specify type roots for specific files.

  #37053 commented on Jun 19, 2025 • 0 new comments

• Preserve computed property in `--isolatedDeclarations` emit

  #61892 commented on Jun 19, 2025 • 0 new comments

• [Feature request]type level equal operator

  #48100 commented on Jun 20, 2025 • 0 new comments

• TypeScript 5.9 Iteration Plan

  #61648 commented on Jun 20, 2025 • 0 new comments

• Permit type alias declarations inside a class

  #7061 commented on Jun 20, 2025 • 0 new comments

• Suggestion: Allow getters to have predicate return types

  #43368 commented on Jun 20, 2025 • 0 new comments

• type destructuring

  #35396 commented on Jun 21, 2025 • 0 new comments

• disallow comparing to null and undefined unless they are valid cases in strict null mode

  #11920 commented on Jun 21, 2025 • 0 new comments

• Support @class in JSDoc

  #12681 commented on Jun 21, 2025 • 0 new comments

• Error inferring types of promise function

  #17873 commented on Jun 21, 2025 • 0 new comments

• this any typed in some JS object literals

  #22058 commented on Jun 21, 2025 • 0 new comments

• Suggestion: Type annotations and interfaces for function declarations

  #22063 commented on Jun 21, 2025 • 0 new comments

• Allow extending types referenced through interfaces

  #31843 commented on Jun 21, 2025 • 0 new comments

• Support Intellisense for string/number literals in a widened union

  #33471 commented on Jun 21, 2025 • 0 new comments

• Implicit Symbol.iterator call in for..of loops / spread destructuring doesn't infer `this` generic type parameter

  #38388 commented on Jun 21, 2025 • 0 new comments

• improper declared type cause narrow type not work when its computed type is not union.

  #39114 commented on Jun 21, 2025 • 0 new comments

• In JSDoc @type is not a type declaration, which it is much more like type conversion.

  #39650 commented on Jun 21, 2025 • 0 new comments

• Compile error if I named last array destructuring element.

  #41548 commented on Jun 21, 2025 • 0 new comments

• Error when trying to assign a subclass of a base class with generics to `typeof` of that base class

  #41770 commented on Jun 21, 2025 • 0 new comments

• Correctly handle generic functions (e.g.: `Object.freeze`) passed as callbacks to generic functions (e.g.: `Array.prototype.map`)

  #42862 commented on Jun 21, 2025 • 0 new comments

• Broken emit when `Infinity` or `‑Infinity` ends up in a type position

  #42905 commented on Jun 21, 2025 • 0 new comments

• Typescript 4.2.x - incorrectly infered generic return type of a record union (extra undefined)

  #43943 commented on Jun 21, 2025 • 0 new comments

• Support inferring `never` as the return type in JavaScript when overriding a class method that returns `never`

  #46791 commented on Jun 21, 2025 • 0 new comments

• Intersection causes incorrect type compatability

  #48720 commented on Jun 21, 2025 • 0 new comments

• Regression in 4.8 where string union type widens to string

  #50635 commented on Jun 21, 2025 • 0 new comments

• Order of ReadonlySet/ReadonlyMap in union causes differing key inference

  #52313 commented on Jun 21, 2025 • 0 new comments

• Expression produces a union type that is too complex to represent

  #53234 commented on Jun 21, 2025 • 0 new comments

• Crash when defining `Array` type via `[]` syntax

  #57009 commented on Jun 21, 2025 • 0 new comments

• mapped type with remapped keys unexpectedly widens type

  #57265 commented on Jun 21, 2025 • 0 new comments

• Inconsistent type inference on overloaded function types

  #57351 commented on Jun 21, 2025 • 0 new comments

• Error not issued when global type is an alias of an object type literal

  #57564 commented on Jun 21, 2025 • 0 new comments

• Inconsistent typechecking with require() in JS and TS

  #60032 commented on Jun 21, 2025 • 0 new comments

• Type inference/narrowing lost after assignment

  #27706 commented on Jun 21, 2025 • 0 new comments

• [Feature] make generated codes from enum could be minified when not used

  #27604 commented on Jun 21, 2025 • 0 new comments

• New `--enforceReadonly` compiler option to enforce read-only semantics in type relations

  #58296 commented on Jun 20, 2025 • 0 new comments

• Fix bad JSON syntax in tests, use JSON.parse first for perf

  #61901 commented on Jun 20, 2025 • 0 new comments