4 Pull requests opened by 4 people

• docs(lib): add @throws JSDoc for BigInt methods and constructor

  #61653 opened May 4, 2025

• Fix unwanted constant comparisons potentially causing bugs

  #61655 opened May 4, 2025

• Avoid resolving source prop type when the target is `unknown`/`any`

  #61660 opened May 5, 2025

• Add configurable maximum hover length

  #61662 opened May 5, 2025

3 Issues closed by 2 people

• TypeScript: After moving file into new destination its extensions `declare module '../types' {` are not changing path of module being extending

  #61639 closed May 5, 2025

• string also allows as args in Intl.NumberFormat.format

  #61629 closed May 5, 2025

• Bug: Predicate function does not narrow correctly

  #61652 closed May 4, 2025

8 Issues opened by 6 people

• Tsserver never picks up a new file

  #61663 opened May 6, 2025

• TypeScript doesn't reverse-infer generic constraints from discriminated unions

  #61661 opened May 5, 2025

• Support cyclical type inference of self-referential data structures, when subject to some assignability constraints

  #61659 opened May 4, 2025

• [ServerErrors][TypeScript] 5.9.0-dev.20250504 vs 5.8.3

  #61658 opened May 4, 2025

• [ServerErrors][JavaScript] 5.9.0-dev.20250504 vs 5.8.3

  #61657 opened May 4, 2025

• [NewErrors] 5.9.0-dev.20250504 vs 5.8.3

  #61656 opened May 4, 2025

• Unwanted constant comparisons potentially causing bugs

  #61654 opened May 4, 2025

• Support the `@private` JSDoc directive to exclude private APIs from emitted type declarations

  #61651 opened May 4, 2025

39 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.

• Type narrowing not working for unions of tuples with object literals

  #31613 commented on May 3, 2025 • 0 new comments

• Instantiation expressions don't filter signatures with non-matching constraints

  #51694 commented on May 4, 2025 • 0 new comments

• `@ts-nocheck` and `@ts-ignore` should also disable suggestions

  #47315 commented on May 4, 2025 • 0 new comments

• Invalid quick fix for class that's exported as a variable with `isolatedDeclarations`

  #61644 commented on May 5, 2025 • 0 new comments

• Generic values

  #17574 commented on May 5, 2025 • 0 new comments

• Suggest @ts-expect-error as Quick Fix

  #59934 commented on May 5, 2025 • 0 new comments

• TypeScript 5.9 Iteration Plan

  #61648 commented on May 5, 2025 • 0 new comments

• Unexpected narrowing of optional fields via Object.entries

  #61650 commented on May 5, 2025 • 0 new comments

• ServiceWorkerRegistration.Update() should return Promise<ServiceWorkerRegistration>

  #31502 commented on May 6, 2025 • 0 new comments

• Cross-module inference issue: never-returning function doesn't prevent further type checking in async context

  #61649 commented on May 6, 2025 • 0 new comments

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

  #11920 commented on May 6, 2025 • 0 new comments

• Support @class in JSDoc

  #12681 commented on May 6, 2025 • 0 new comments

• Error inferring types of promise function

  #17873 commented on May 6, 2025 • 0 new comments

• this any typed in some JS object literals

  #22058 commented on May 6, 2025 • 0 new comments

• Suggestion: Type annotations and interfaces for function declarations

  #22063 commented on May 6, 2025 • 0 new comments

• Allow extending types referenced through interfaces

  #31843 commented on May 6, 2025 • 0 new comments

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

  #33471 commented on May 6, 2025 • 0 new comments

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

  #38388 commented on May 6, 2025 • 0 new comments

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

  #39114 commented on May 6, 2025 • 0 new comments

• Compile error if I named last array destructuring element.

  #41548 commented on May 6, 2025 • 0 new comments

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

  #39650 commented on May 6, 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 May 6, 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 May 6, 2025 • 0 new comments

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

  #42905 commented on May 6, 2025 • 0 new comments

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

  #43943 commented on May 6, 2025 • 0 new comments

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

  #46791 commented on May 6, 2025 • 0 new comments

• Intersection causes incorrect type compatability

  #48720 commented on May 6, 2025 • 0 new comments

• Regression in 4.8 where string union type widens to string

  #50635 commented on May 6, 2025 • 0 new comments

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

  #52313 commented on May 6, 2025 • 0 new comments

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

  #53234 commented on May 6, 2025 • 0 new comments

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

  #57009 commented on May 6, 2025 • 0 new comments

• mapped type with remapped keys unexpectedly widens type

  #57265 commented on May 6, 2025 • 0 new comments

• Inconsistent type inference on overloaded function types

  #57351 commented on May 6, 2025 • 0 new comments

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

  #57564 commented on May 6, 2025 • 0 new comments

• Inconsistent typechecking with require() in JS and TS

  #60032 commented on May 6, 2025 • 0 new comments

• Bump github/codeql-action from 3.28.15 to 3.28.16 in the github-actions group

  #61625 commented on May 5, 2025 • 0 new comments

• chore: `string` type also allows as args in Intl.NumberFormat.format

  #61628 commented on May 3, 2025 • 0 new comments

• Add lib.esnext.sharedmemory

  #61646 commented on May 3, 2025 • 0 new comments

• DOM Update 2025-05-02

  #61647 commented on May 6, 2025 • 0 new comments