1 Pull request opened by 1 person

• Fix --showConfig to work when no input files are found

  #62047 opened Jul 11, 2025

4 Issues opened by 4 people

• Unexpected behavior of enum keys while evaluating mapped types

  #62051 opened Jul 12, 2025

• Control Flow Analysis Performance Regression

  #62050 opened Jul 12, 2025

• Covariance in intersection

  #62049 opened Jul 11, 2025

• Intl.Collator#compare method type does not match spec

  #62048 opened Jul 11, 2025

31 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.

• Allow `this` in constructor parameter

  #38038 commented on Jul 11, 2025 • 0 new comments

• Shouldn't TypeScript be able to polyfill `import defer` with `Proxy` to work with `"module": "commonjs"`?

  #62031 commented on Jul 11, 2025 • 0 new comments

• Incorrect `any` displayed in type with noErrorTruncation: true

  #62032 commented on Jul 11, 2025 • 0 new comments

• TSC --showConfig throws error instead of listing configuration

  #48443 commented on Jul 11, 2025 • 0 new comments

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

  #11920 commented on Jul 12, 2025 • 0 new comments

• Support @class in JSDoc

  #12681 commented on Jul 12, 2025 • 0 new comments

• Error inferring types of promise function

  #17873 commented on Jul 12, 2025 • 0 new comments

• this any typed in some JS object literals

  #22058 commented on Jul 12, 2025 • 0 new comments

• Suggestion: Type annotations and interfaces for function declarations

  #22063 commented on Jul 12, 2025 • 0 new comments

• Allow extending types referenced through interfaces

  #31843 commented on Jul 12, 2025 • 0 new comments

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

  #33471 commented on Jul 12, 2025 • 0 new comments

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

  #38388 commented on Jul 12, 2025 • 0 new comments

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

  #39114 commented on Jul 12, 2025 • 0 new comments

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

  #39650 commented on Jul 12, 2025 • 0 new comments

• Compile error if I named last array destructuring element.

  #41548 commented on Jul 12, 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 Jul 12, 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 Jul 12, 2025 • 0 new comments

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

  #42905 commented on Jul 12, 2025 • 0 new comments

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

  #43943 commented on Jul 12, 2025 • 0 new comments

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

  #46791 commented on Jul 12, 2025 • 0 new comments

• Intersection causes incorrect type compatability

  #48720 commented on Jul 12, 2025 • 0 new comments

• Regression in 4.8 where string union type widens to string

  #50635 commented on Jul 12, 2025 • 0 new comments

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

  #52313 commented on Jul 12, 2025 • 0 new comments

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

  #53234 commented on Jul 12, 2025 • 0 new comments

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

  #57009 commented on Jul 12, 2025 • 0 new comments

• mapped type with remapped keys unexpectedly widens type

  #57265 commented on Jul 12, 2025 • 0 new comments

• Inconsistent type inference on overloaded function types

  #57351 commented on Jul 12, 2025 • 0 new comments

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

  #57564 commented on Jul 12, 2025 • 0 new comments

• Inconsistent typechecking with require() in JS and TS

  #60032 commented on Jul 12, 2025 • 0 new comments

• Fix types for Object.entries/Object.fromEntries

  #61074 commented on Jul 12, 2025 • 0 new comments

• Suggest completions for type arguments of expressions

  #61758 commented on Jul 11, 2025 • 0 new comments