TypeScript 5.4.0

Issues

• Enum with special numbers overwrites own value

  Breaking ChangeBugDomain: enum
  microsoft/TypeScript#48956 · Filter by author JacobLey opened on May 4, 2022 · TypeScript 5.4.0
  4

• JSDoc @overloads on constructors don't capture class type parameters, can dictate their return type

  checkJsDomain: JavaScriptDomain: JSDocNeeds Investigation
  microsoft/TypeScript#55919 · Filter by author DanielRosenwasser opened on Sep 29, 2023 · TypeScript 5.4.0
  7

  

• TS Confuses namespace with the class on JSDoc module.exported class with static method.

  BugDomain: JSDocHelp Wanted
  microsoft/TypeScript#55875 · Filter by author nodech opened on Sep 26, 2023 · TypeScript 5.4.0
  1

  

• Side effect of decorator

  BugDomain: DecoratorsNeeds Investigation
  microsoft/TypeScript#56000 · Filter by author Edgar-Abgaryan opened on Oct 5, 2023 · TypeScript 5.4.0
  9

  

• JS declaration emit invalid when typedefs present and module.exports is assigned a non-identifier

  BugDomain: Declaration Emit
  microsoft/TypeScript#56002 · Filter by author andrewbranch opened on Oct 5, 2023 · TypeScript 5.4.0
  

• Investigate removing the concept of object allocators

  CommittedDomain: PerformanceExperimentation NeededInfrastructureSuggestion
  microsoft/TypeScript#52958 · Filter by author DanielRosenwasser opened on Feb 25, 2023 · TypeScript 5.4.0
  

• async function drops Awaited<Type>

  Needs Investigation
  microsoft/TypeScript#56083 · Filter by author ondrej-stanek-ozobot opened on Oct 12, 2023 · TypeScript 5.4.0
  

• Invalid synthesized import specifiers on infered types in declarations

  Needs Investigation
  microsoft/TypeScript#56260 · Filter by author dmaretskyi opened on Oct 30, 2023 · TypeScript 5.4.0
  3

  

• Static property access fails in transpiled JS code when referenced in a private method in TypeScript 5.2.2

  BugDomain: classes
  microsoft/TypeScript#56292 · Filter by author treblasft opened on Nov 2, 2023 · TypeScript 5.4.0
  4

  

• this is incorrect for static fields and static accessors within decorators

  Needs Investigation
  microsoft/TypeScript#56503 · Filter by author evanw opened on Nov 22, 2023 · TypeScript 5.4.0
  

• Module/interface augmentation doesn't preserve import for declaration emit

  Domain: Declaration EmitNeeds Investigation
  microsoft/TypeScript#56528 · Filter by author OliverJAsh opened on Nov 24, 2023 · TypeScript 5.4.0
  16

  

• New inlay hint implementation after v5.3 can appear too long

  Needs Investigation
  microsoft/TypeScript#56541 · Filter by author ha1fstack opened on Nov 26, 2023 · TypeScript 5.4.0

• Class generics not evaluated properly in JSDoc

  Needs Investigation
  microsoft/TypeScript#56671 · Filter by author dominikschreiber opened on Dec 5, 2023 · TypeScript 5.4.0
  1

  

• computed keys with private element and super call should not be hoisted when targeted to ES2022

  BugDomain: classesEffort: Moderate
  microsoft/TypeScript#56754 · Filter by author JLHwung opened on Dec 12, 2023 · TypeScript 5.4.0
  6

  

• tsc crash with jsdoc typedef and object exported with same name.

  BugDomain: Crashes
  microsoft/TypeScript#56891 · Filter by author HOnatToprak opened on Dec 27, 2023 · TypeScript 5.4.0
  1

  

• static fields should be installed on the decorated class

  BugDomain: Decorators
  microsoft/TypeScript#57237 · Filter by author JLHwung opened on Jan 30, 2024 · TypeScript 5.4.0
  3