5 Pull requests merged by 5 people

• fix(59011): TypeScript generates invalid types if @import tags are spread over multiple lines

  #59026 merged Jul 10, 2024

• Fix codefix crash on circular aliases

  #59215 merged Jul 10, 2024

• Added affectsSourceFile to importHelpers and jsxImportSource

  #59195 merged Jul 10, 2024

• Bump actions/upload-artifact from 4.3.3 to 4.3.4 in the github-actions group

  #59169 merged Jul 10, 2024

• Write non-missing undefined on mapped type results into output

  #59208 merged Jul 10, 2024

5 Pull requests opened by 4 people

• Improve error message for unserializable private and protected class members

  #59229 opened Jul 10, 2024

• 🤖 Pick PR #59208 (Write non-missing undefined on mapp...) into release-5.5

  #59230 opened Jul 10, 2024

• 🤖 Pick PR #59195 (Added affectsSourceFile to importHe...) into release-5.5

  #59231 opened Jul 10, 2024

• Fixed regression in reverse mapped type inference caused by cache leak

  #59232 opened Jul 10, 2024

• Experiments with literal type creation/inference

  #59233 opened Jul 11, 2024

7 Issues closed by 7 people

• AsyncReturnType<T> a utility type designed to obtain return type of an asynchronous function.

  #59239 closed Jul 11, 2024

• Cleaner Documentation Comments with `///`

  #59174 closed Jul 11, 2024

• TypeScript generates invalid types if `@import` tags are spread over multiple lines

  #59011 closed Jul 10, 2024

• Circular declarations cause infinite loops in getExportInfos since v5.5

  #59201 closed Jul 10, 2024

• Declaration emit change in 5.5 with `exactOptionalPropertyTypes`

  #59056 closed Jul 10, 2024

• `resolution-mode` Feedback

  #49055 closed Jul 10, 2024

• Many interfaces seem to be broken when `exactOptionalPropertyTypes` is enabled.

  #59227 closed Jul 10, 2024

5 Issues opened by 5 people

• Null checks returned from function fails to return accurate types

  #59238 opened Jul 11, 2024

• Line comment in type cast incorrectly compiles to early return

  #59237 opened Jul 11, 2024

• Parse error when using `in` nested in a `for` initializer

  #59236 opened Jul 11, 2024

• Grammar allows infer statement on the left side in a nested conditional

  #59234 opened Jul 11, 2024

• With noUncheckedIndexedAccess, "Object is possibly 'undefined'" returned on array object element access but not on const object element access

  #59228 opened Jul 10, 2024

51 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.

• No suspect truthy checks

  #59217 commented on Jul 11, 2024 • 3 new comments

• PSA: potential lib breaking change after iterator-helpers proposal

  #54481 commented on Jul 10, 2024 • 0 new comments

• Regression in 4.8 where string union type widens to string

  #50635 commented on Jul 11, 2024 • 0 new comments

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

  #52313 commented on Jul 11, 2024 • 0 new comments

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

  #57009 commented on Jul 11, 2024 • 0 new comments

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

  #53234 commented on Jul 11, 2024 • 0 new comments

• mapped type with remapped keys unexpectedly widens type

  #57265 commented on Jul 11, 2024 • 0 new comments

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

  #57564 commented on Jul 11, 2024 • 0 new comments

• Inconsistent type inference on overloaded function types

  #57351 commented on Jul 11, 2024 • 0 new comments

• TypeScript 5.5 Iteration Plan

  #57475 commented on Jul 11, 2024 • 0 new comments

• Proposal: Partial Type Argument Inference

  #26242 commented on Jul 11, 2024 • 0 new comments

• Expose MappedType in typescript.d.ts

  #59221 commented on Jul 11, 2024 • 0 new comments

• The inferred type of X cannot be named without a reference to @types/qs

  #59172 commented on Jul 11, 2024 • 0 new comments

• Missing error on generic type parametrisation of generic function

  #59143 commented on Jul 11, 2024 • 0 new comments

• [Feature] Generic Reference Syntax Proposal

  #59126 commented on Jul 11, 2024 • 0 new comments

• [wip] Shared resolutions in tsserver

  #55968 commented on Jul 10, 2024 • 0 new comments

• [wip] Type acquisition and module resolution updates

  #56074 commented on Jul 10, 2024 • 0 new comments

• intl.d.ts: cleanup, add missing features, fix library discrepancies

  #58084 commented on Jul 11, 2024 • 0 new comments

• fix(58166): Class parameter property with initializer before required property emits non-nullable parameter for declaration emit

  #58177 commented on Jul 10, 2024 • 0 new comments

• add types for iterator helpers proposal

  #58222 commented on Jul 11, 2024 • 0 new comments

• Make TypeScript itself ESM-only, made possible by require(ESM)

  #58419 commented on Jul 11, 2024 • 0 new comments

• Make type comparison error elaboration consistent

  #58859 commented on Jul 11, 2024 • 0 new comments

• Fix: False Positive "Range out of order in character class" in Regular Expressions in Unicode Modes

  #58982 commented on Jul 11, 2024 • 0 new comments

• 🤖 Pick PR #59026 (fix(59011): TypeScript generates in...) into release-5.5

  #59039 commented on Jul 10, 2024 • 0 new comments

• add missing interfaces for sub-classes of PerformanceEntry

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

• Update deps

  #59188 commented on Jul 11, 2024 • 0 new comments

• Object spread drops index signature

  #27273 commented on Jul 10, 2024 • 0 new comments

• Can't emit types for subclassed abstract class: error TS4094

  #59184 commented on Jul 10, 2024 • 0 new comments

• Error processing request. Debug Failure. False expression.

  #59220 commented on Jul 10, 2024 • 0 new comments

• Completions fail to be provided for type alias arguments before all required type arguments are provided

  #59222 commented on Jul 10, 2024 • 0 new comments

• Synthesized optional properties don't satisfy `Record<` target under EOPT: false

  #59180 commented on Jul 10, 2024 • 0 new comments

• Renaming files imported with alias/absolute paths does not update the path

  #59119 commented on Jul 11, 2024 • 0 new comments

• Relate control flow to conditional types in return types

  #33912 commented on Jul 11, 2024 • 0 new comments

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

  #11920 commented on Jul 11, 2024 • 0 new comments

• Support @class in JSDoc

  #12681 commented on Jul 11, 2024 • 0 new comments

• Error inferring types of promise function

  #17873 commented on Jul 11, 2024 • 0 new comments

• this any typed in some JS object literals

  #22058 commented on Jul 11, 2024 • 0 new comments

• Suggestion: Type annotations and interfaces for function declarations

  #22063 commented on Jul 11, 2024 • 0 new comments

• Allow extending types referenced through interfaces

  #31843 commented on Jul 11, 2024 • 0 new comments

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

  #33471 commented on Jul 11, 2024 • 0 new comments

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

  #38388 commented on Jul 11, 2024 • 0 new comments

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

  #39114 commented on Jul 11, 2024 • 0 new comments

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

  #39650 commented on Jul 11, 2024 • 0 new comments

• Compile error if I named last array destructuring element.

  #41548 commented on Jul 11, 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 Jul 11, 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 Jul 11, 2024 • 0 new comments

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

  #42905 commented on Jul 11, 2024 • 0 new comments

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

  #43943 commented on Jul 11, 2024 • 0 new comments

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

  #46791 commented on Jul 11, 2024 • 0 new comments

• verbatimModuleSyntax + import of ambient const enum missing error

  #48040 commented on Jul 11, 2024 • 0 new comments

• Intersection causes incorrect type compatability

  #48720 commented on Jul 11, 2024 • 0 new comments