2 Pull requests merged by 1 person

• Assume that type node annotations resolving to error types can be reused

  #60195 merged Oct 11, 2024

• Avoid confusing TS9025 error in isolatedDeclarations

  #60129 merged Oct 11, 2024

6 Pull requests opened by 6 people

• Expose method for retrieving inferred generic type arguments for a signature on the TypeChecker (#59637)

  #60201 opened Oct 11, 2024

• moveToNewFile: fix quotes for module specifiers

  #60203 opened Oct 12, 2024

• Created a reusable implementation for the intrinsic capitalize and uncapitalize by removing duplication.

  #60205 opened Oct 12, 2024

• Reuse cached resolved signatures early

  #60208 opened Oct 12, 2024

• Bump the github-actions group with 4 updates

  #60218 opened Oct 14, 2024

• Specialized error message for setting `lib` or `target` to a future ES version

  #60219 opened Oct 14, 2024

8 Issues closed by 5 people

• Private class member wrong type after check with type guard

  #60213 closed Oct 14, 2024

• Module resolution: Exception during run: error TS5110: Option 'module' must be set to 'NodeNext' when option 'moduleResolution' is set to 'NodeNext'.

  #60197 closed Oct 14, 2024

• Type mismatch of `this` in an arrow function not reported as an error

  #60188 closed Oct 13, 2024

• types typescript does not work when using the spread operator

  #60182 closed Oct 13, 2024

• TSC generates type definition files it considers itself as containing an error.

  #60207 closed Oct 12, 2024

• [5.7-beta][isolatedDeclarations][regression] Missing explicit type annotation false positive

  #60192 closed Oct 11, 2024

• Impossible to annotate parameter properties in an isolatedDeclarations compatible way

  #60123 closed Oct 11, 2024

• Feature request: LSP refactor for filling an object literal with zero values

  #59846 closed Oct 11, 2024

13 Issues opened by 11 people

• TypeScript Intellisense Issue: Autocomplete Not Recognizing Numeric String Literal Types

  #60220 opened Oct 14, 2024

• [ServerErrors][TypeScript] 5.7.0-dev.20241013 vs 5.6.3

  #60217 opened Oct 13, 2024

• [ServerErrors][JavaScript] 5.7.0-dev.20241013 vs 5.6.3

  #60216 opened Oct 13, 2024

• [NewErrors] 5.7.0-dev.20241013 vs 5.6.3

  #60215 opened Oct 13, 2024

• Typescript 5.6.3 throwing error "The inferred type of X cannot be named without a reference to Y. This is likely not portable. A type annotation is necessary."

  #60214 opened Oct 13, 2024

• Unreachable code error not reported when type is never

  #60212 opened Oct 13, 2024

• IntelliSense Error When Modifying Static Properties in JavaScript Static Methods (Using this.xxx)

  #60211 opened Oct 13, 2024

• `var` declaration in `try` doesn't propagate to `catch` and `finally`, but a `var` in `catch` propagates to both `try` and `finally`

  #60210 opened Oct 12, 2024

• Why do the dynamic key types [propName: string]: any and [propName: string | symbol]: any behave the same?

  #60209 opened Oct 12, 2024

• Capitalize and Uncapitalized are implemented multiple times

  #60206 opened Oct 12, 2024

• `Array` and `IteratorObject` `reduce` method type error

  #60204 opened Oct 12, 2024

• "No error for last overload signature" regression in #58859

  #60202 opened Oct 12, 2024

• Allow decorated accessor properties to have a different type

  #60200 opened Oct 11, 2024

41 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.

• Huge jump in tsc memory usage from 5.5.4 -> 5.6.2

  #60166 commented on Oct 11, 2024 • 0 new comments

• Uninitialized local check still permits provably erroneous use-before-assign in closure

  #60181 commented on Oct 12, 2024 • 0 new comments

• Option in TSConfig to include hidden/dot files

  #49555 commented on Oct 12, 2024 • 0 new comments

• Import-on-paste implementation question

  #60194 commented on Oct 12, 2024 • 0 new comments

• Array.isArray type narrows to any[] for ReadonlyArray<T>

  #17002 commented on Oct 12, 2024 • 0 new comments

• Array.isArray() : a possible fix ? + discussion on type guards (frozen keyword + better type deduction)

  #60177 commented on Oct 12, 2024 • 0 new comments

• JavaScript: jsconfig.json based project -> Automatically updating imports after file move will not work on complex import statement chains

  #59242 commented on Oct 12, 2024 • 0 new comments

• Organize imports preferences don't seem to work

  #59942 commented on Oct 12, 2024 • 0 new comments

• export access modifiers

  #41316 commented on Oct 12, 2024 • 0 new comments

• tsc --init update 2024

  #58420 commented on Oct 13, 2024 • 0 new comments

• tsc --init-basic

  #46150 commented on Oct 13, 2024 • 0 new comments

• Allow to explicitly pass type parameters via JSDoc

  #27387 commented on Oct 14, 2024 • 0 new comments

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

  #11920 commented on Oct 14, 2024 • 0 new comments

• Support @class in JSDoc

  #12681 commented on Oct 14, 2024 • 0 new comments

• Error inferring types of promise function

  #17873 commented on Oct 14, 2024 • 0 new comments

• this any typed in some JS object literals

  #22058 commented on Oct 14, 2024 • 0 new comments

• Suggestion: Type annotations and interfaces for function declarations

  #22063 commented on Oct 14, 2024 • 0 new comments

• Allow extending types referenced through interfaces

  #31843 commented on Oct 14, 2024 • 0 new comments

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

  #33471 commented on Oct 14, 2024 • 0 new comments

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

  #38388 commented on Oct 14, 2024 • 0 new comments

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

  #39114 commented on Oct 14, 2024 • 0 new comments

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

  #39650 commented on Oct 14, 2024 • 0 new comments

• Compile error if I named last array destructuring element.

  #41548 commented on Oct 14, 2024 • 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 Oct 14, 2024 • 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 Oct 14, 2024 • 0 new comments

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

  #42905 commented on Oct 14, 2024 • 0 new comments

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

  #43943 commented on Oct 14, 2024 • 0 new comments

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

  #46791 commented on Oct 14, 2024 • 0 new comments

• Intersection causes incorrect type compatability

  #48720 commented on Oct 14, 2024 • 0 new comments

• Regression in 4.8 where string union type widens to string

  #50635 commented on Oct 14, 2024 • 0 new comments

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

  #52313 commented on Oct 14, 2024 • 0 new comments

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

  #53234 commented on Oct 14, 2024 • 0 new comments

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

  #57009 commented on Oct 14, 2024 • 0 new comments

• mapped type with remapped keys unexpectedly widens type

  #57265 commented on Oct 14, 2024 • 0 new comments

• Inconsistent type inference on overloaded function types

  #57351 commented on Oct 14, 2024 • 0 new comments

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

  #57564 commented on Oct 14, 2024 • 0 new comments

• Inconsistent typechecking with require() in JS and TS

  #60032 commented on Oct 14, 2024 • 0 new comments

• `@experimental` JSDoc tag, with strikethrough style (or similar) like `@deprecated` JSDoc tag

  #56808 commented on Oct 14, 2024 • 0 new comments

• TS 5.6 `files` missing from `--showConfig` (with absolute / ``${configDir}`` `include` paths)

  #60199 commented on Oct 14, 2024 • 0 new comments

• Add string literal completions for `package.json` `imports` field

  #57718 commented on Oct 14, 2024 • 0 new comments

• add missing interfaces for sub-classes of PerformanceEntry

  #59166 commented on Oct 11, 2024 • 0 new comments