13064 Commits

Author SHA1 Message Date
copilot-swe-agent[bot]
0392f4f55f Add additional destructuring recursion tests
Co-authored-by: RyanCavanaugh <6685088+RyanCavanaugh@users.noreply.github.com>
2026-01-16 20:34:12 +00:00
copilot-swe-agent[bot]
43898d202f Progress: add regression test for destructuring contextual typing
Co-authored-by: RyanCavanaugh <6685088+RyanCavanaugh@users.noreply.github.com>
2026-01-16 18:14:45 +00:00
Mateusz Burzyński
a586c340a2
Fixed crash related to index type deferral on generic mapped types with name types (#60528)
Co-authored-by: Ryan Cavanaugh <RyanCavanaugh@users.noreply.github.com>
2026-01-15 21:20:56 +00:00
Daniel Rosenwasser
64d1978944
More strictness prep (#62984) 2026-01-14 00:19:55 +00:00
Ryan Cavanaugh
631affd1d7
Deprecate --outFile (#62981) 2026-01-13 20:40:31 +00:00
Mateusz Burzyński
7bb5ba3de6
Discard types that reduce to never before discriminating by discriminable items (#62275) 2026-01-13 17:13:48 +00:00
Daniel Rosenwasser
f5ccf4345d
Test updates for strict initialization (#62958) 2026-01-09 23:47:35 +00:00
Copilot
c574e4090d
Fix "never nullish" diagnostic missing expressions wrapped in parentheses (#62789)
Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: jakebailey <5341706+jakebailey@users.noreply.github.com>
Co-authored-by: Ryan Cavanaugh <ryanca@microsoft.com>
Co-authored-by: Ryan Cavanaugh <RyanCavanaugh@users.noreply.github.com>
2026-01-09 18:57:02 +00:00
Mateusz Burzyński
632479f28d
Fixed an issue causing spurious "used before being assigned" errors in for of/in loops (#61376)
Co-authored-by: Ryan Cavanaugh <RyanCavanaugh@users.noreply.github.com>
2026-01-09 00:27:42 +00:00
Anders Hejlsberg
f3770c9b89
Fix crash in abstract property checking (#62923) 2025-12-28 21:12:38 +00:00
Anders Hejlsberg
1f5f9f34d3
Fix crash in mixin checking (#62928) 2025-12-26 23:15:54 +00:00
Mateusz Burzyński
2dfdbbabae
Fixed crash when adding unreachable code diagnostic in situations with missing nodes (#62914) 2025-12-19 13:18:44 +00:00
Jake Bailey
d7ae3aa940
Fix accidental module replacements in tests (#62890) 2025-12-12 16:33:41 +00:00
Ryan Cavanaugh
16b933fb7b
Deprecate module syntax (#62876) 2025-12-12 00:21:01 +00:00
Mateusz Burzyński
366da34ae6
Improve inference by not considering thisless functions to be context-sensitive (#62243) 2025-12-10 19:08:29 +00:00
magic-akari
3b9acae97c
Allow subpath imports that start with #/ (#62844) 2025-12-09 18:54:52 +00:00
Mateusz Burzyński
69a0879743
Include source node inferences in string literal completions deeper in arguments (#56182) 2025-12-08 10:30:33 -08:00
Mateusz Burzyński
b2327c0f19
Make go to definition go to the constraint's properties for object literals in argument positions (#62361) 2025-12-08 10:27:56 -08:00
Mateusz Burzyński
dafed7f25b
Add tests for contextual param type assignment in nested return type inference scenarios (#62189) 2025-12-08 18:01:10 +00:00
Mateusz Burzyński
38d95c8001
Avoid silentNeverType leaking into generator types inferred based on inner generic calls at yields (#62283) 2025-12-05 10:47:37 -08:00
Mateusz Burzyński
0752278137
Widen reverse mapped type properties to fix them being treated as EPC-valid sources (#62722) 2025-12-05 10:45:33 -08:00
Mateusz Burzyński
28fbc0a1ef
Filter return type inferences by constraint applicability (#58910) 2025-12-03 09:46:59 -08:00
René
60e99ecee4
Disallow [await] using statements under case/default clauses (#62709) 2025-11-19 14:08:45 -08:00
Copilot
486fce7a12
Fix unreachable code detection persisting after incremental edits (#62783)
Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: jakebailey <5341706+jakebailey@users.noreply.github.com>
2025-11-19 09:46:30 -08:00
Jake Bailey
09e31cf04a
Move unreachable checks to checker (#62751) 2025-11-13 17:50:42 -08:00
Jake Bailey
ea48dedd7d
Shrink relationComplexityError test size (#62754) 2025-11-13 21:44:23 +00:00
Mateusz Burzyński
4a957b74ea
Fixed control flow Analysis of aliased discriminants with parenthesized initializers (#61788) 2025-11-11 11:41:36 -08:00
Nico Rainhart
48244d89f8
fix: [Symbol.iterator]() lost on union with never (#62661) 2025-11-10 15:11:13 -08:00
Anders Hejlsberg
cc05d940a2
Propagate variance reliability (#62604) 2025-10-31 11:51:01 -07:00
Mateusz Burzyński
b44ac69d5b
Keep returned (and yielded) literal types as const when their types using const type variables (#56859) 2025-10-30 11:59:09 -07:00
Mateusz Burzyński
f6f4eab587
Allow implicit undefined returns when the contextual union type contains it (#57912) 2025-10-30 11:56:21 -07:00
Mateusz Burzyński
2b2d6cebcb
Improve references search and quick info on properties with type errors within nullable contextual types (#61383) 2025-10-30 11:54:29 -07:00
Mateusz Burzyński
6fd2874d0d
Use comparability for discriminant properties when narrowing types for a default switch clause (#61211) 2025-10-30 14:20:13 +00:00
Mateusz Burzyński
2a90a739c1
Fixed an issue with "slow" sync iteration types spoiling cached value for async ones (#62676) 2025-10-29 15:56:21 -07:00
Mateusz Burzyński
11ee01b22d
Add missing whitespace after type parameter's modifiers in interactive inlay hints (#62246) 2025-10-29 09:24:57 -07:00
Andrew Branch
42f6576e83
Deprecate --module amd, umd, system, none; --moduleResolution classic; change defaults (#62669) 2025-10-24 14:57:57 -07:00
Andrew Branch
f450c1b80c
Deprecate esModuleInterop and allowSyntheticDefaultImports (default to true) (#62567) 2025-10-22 16:50:03 -07:00
Copilot
542b09547f
Fix TS2783 false positive for union types in object spread expressions (#62656)
Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: RyanCavanaugh <6685088+RyanCavanaugh@users.noreply.github.com>
Co-authored-by: Ryan Cavanaugh <RyanCavanaugh@users.noreply.github.com>
Co-authored-by: Ryan Cavanaugh <ryanca@microsoft.com>
2025-10-22 16:44:10 -07:00
Mateusz Burzyński
cbc2059b53
Fixed a crash when parsing invalid decorator on await expression (#62659) 2025-10-22 12:03:09 -07:00
Andrew Branch
84f4856709
Fix fourslash tests (#62641) 2025-10-20 19:47:59 +00:00
Mateusz Burzyński
d8aafb3197
Handle more child types when generating navigation tree items for export default (#62620) 2025-10-17 09:44:34 -07:00
Mateusz Burzyński
d3be7e171b
Allow line break before import attributes with keyword (#62593) 2025-10-14 09:51:33 -07:00
Prathmesh Ravindra Salunkhe
0b6a241886
Fix: Make discriminant property selection order-independent in unions (#62512) (#62516) 2025-10-13 10:38:34 -07:00
Mateusz Burzyński
1112daead7
Add extra test for extending multiple bases with incompatible optional property under EOPT (#62574) 2025-10-09 17:34:21 +00:00
Jake Bailey
91b32ac281
Remove circularity, rootDir errors from node modules compiler tests (#62568) 2025-10-09 00:09:58 +00:00
Jake Bailey
968d5deb8b
Fix incorrect test options (#62515) 2025-10-01 00:17:28 +00:00
Hans Brende
31a0ead46d
Don't compare "missing" to undefined in compareProperties under exactOptionalPropertyTypes (#61683) 2025-09-30 13:15:38 -07:00
Matt Kantor
d4b15eb56d
Enhance type argument completions (#62170) 2025-09-30 13:00:20 -07:00
Anders Hejlsberg
97610a8a63
Port microsoft/typescript-go#1757 (#62501) 2025-09-29 14:42:29 -07:00
Jake Bailey
5f183ad73d
Revert PR 61928 (#62423) 2025-09-25 10:22:27 -07:00