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5,515 Open 36,219 Closed
5,515 Open 36,219 Closed
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Issues list

dynamic import from module=none of an module=es2022 via barrel reemits it as commonjs
#61316 opened Feb 28, 2025 by HolgerJeromin
checker.getSuggestionDiagnostics fails with TypeError: Cannot read properties of undefined (reading 'parent') Bug A bug in TypeScript
#61314 opened Feb 27, 2025 by vdiez TypeScript 5.9.0
@sandersn
3
using projectService.setHostConfiguration in a plugin is invalid
#61302 opened Feb 27, 2025 by mlgq
1
Object Spread { ...array } Incorrectly Assignable to number[] Duplicate An existing issue was already created
#61295 opened Feb 27, 2025 by nadavushka-dev
2
strange interaction with resolveJsonModule, createRequire, naming it require, and requiring JSON
#61292 opened Feb 26, 2025 by ljharb
Slow compilation with nested optional chaining Needs Investigation This issue needs a team member to investigate its status.
#61273 opened Feb 26, 2025 by dlittleton TypeScript 5.9.0
@rbuckton
Error "Class name cannot be 'Object' when targeting ES5 with module CommonJS." when not targeting es5 Bug A bug in TypeScript Help Wanted You can do this
#61270 opened Feb 25, 2025 by CraigMacomber Backlog
Add a flag to error when an uninitialized function is called Awaiting More Feedback This means we'd like to hear from more people who would be helped by this feature Suggestion An idea for TypeScript
#61267 opened Feb 25, 2025 by Elie-A-98
6 tasks done
Element.getElementsByTagName marked as deprecated Needs More Info The issue still hasn't been fully clarified
#61264 opened Feb 25, 2025 by mozesstumpf
4
Exhaustive switch case with returns can mark a finally block as unreachable Bug A bug in TypeScript Help Wanted You can do this
#61259 opened Feb 24, 2025 by shortercode Backlog
1
Renaming namespace with const enum doesn't update enum references Bug A bug in TypeScript Help Wanted You can do this
#61258 opened Feb 24, 2025 by xiaoxiyao Backlog
1
Mixins created from obj.constructor cannot have members
#61255 opened Feb 23, 2025 by chkn
Conditional type flow types missing in the template in mapped types with as clause Help Wanted You can do this Possible Improvement The current behavior isn't wrong, but it's possible to see that it might be better in some cases
#61246 opened Feb 22, 2025 by Andarist Backlog
T extends unknown is observably-different from an unconstrained T
#61242 opened Feb 21, 2025 by mkantor
2
Intl.Segments.prototype.containing should include undefined in return value Bug A bug in TypeScript Domain: lib.d.ts The issue relates to the different libraries shipped with TypeScript Help Wanted You can do this
#61235 opened Feb 20, 2025 by Jamesernator Backlog
1
Path alias with trailing slash not resolving Bug A bug in TypeScript Help Wanted You can do this
#61230 opened Feb 20, 2025 by zaqijr7 Backlog
@andrewbranch
3
Include results from --extendedDiagnostics when using the compiler API Awaiting More Feedback This means we'd like to hear from more people who would be helped by this feature Suggestion An idea for TypeScript
#61229 opened Feb 20, 2025 by MariaSolOs
6 tasks done
4
Bloomberg feedback for 5.8 Discussion Issues which may not have code impact
#61226 opened Feb 19, 2025 by dragomirtitian
1 task done
1
Unions seem to sidestep --noUncheckedIndexedAccess and lose the possibility of undefined Bug A bug in TypeScript Help Wanted You can do this
#61225 opened Feb 19, 2025 by jcalz Backlog
1
Support source phase imports
#61216 opened Feb 18, 2025 by dsherret
6 tasks done
2
Support type inference for Symbol keys on function Help Wanted You can do this Possible Improvement The current behavior isn't wrong, but it's possible to see that it might be better in some cases
#61214 opened Feb 18, 2025 by Bernhard-Kodio
6 tasks done
Backlog
1
IDBObjectStore keyPath missing null type. Bug A bug in TypeScript Domain: lib.d.ts The issue relates to the different libraries shipped with TypeScript Help Wanted You can do this
#61209 opened Feb 18, 2025 by 6XGate Backlog
Discriminated Union is not narrowed to never when all types are checked in default case if discriminator field is literal type Bug A bug in TypeScript Help Wanted You can do this
#61207 opened Feb 17, 2025 by Yavanosta Backlog
1
Union type on object's property behaves different than having a union of the whole object with all possible values for this field
#61202 opened Feb 17, 2025 by Llois41
2
Autocompletion of Template Literal Types with unresolved types. Awaiting More Feedback This means we'd like to hear from more people who would be helped by this feature Suggestion An idea for TypeScript
#61217 opened Feb 17, 2025 by tipptop3d
ProTip! Exclude everything labeled bug with -label:bug.