Insights: microsoft/TypeScript

48 Pull requests merged by 14 people

• Fix deprecations, improve messaging

  #52993 merged Mar 7, 2023

• Report excess property errors on object literal names

  #53129 merged Mar 7, 2023

• Move to New File: Respect Quote Style in import updates

  #52974 merged Mar 7, 2023

• Fix script compile

  #53136 merged Mar 7, 2023

• Expose getStringLiteralType and getNumberLiteralType on the TypeChecker, plus remove /** @internal */ from several useful methods.

  #52473 merged Mar 7, 2023

• Attach commit as `package.json#gitHead` in prerelease versions

  #47932 merged Mar 7, 2023

• Pin dependencies in `release-5.0`

  #53126 merged Mar 7, 2023

• Add extra test cases for the `Awaited` type

  #53090 merged Mar 7, 2023

• Remove docker and user tests, related infra

  #53118 merged Mar 7, 2023

• 🤖 Pick PR #52984 (Check for strict subtypes and then ...) into release-5.0

  #53085 merged Mar 7, 2023

• Report assignability errors on the return/yield keywords

  #52943 merged Mar 7, 2023

• feat(52569): fixUnusedIdentifier: Unwanted side-effects when removing an unused destructuring declaration containing a function call

  #52951 merged Mar 6, 2023

• Add an extra test case for deferred conditional types

  #53067 merged Mar 6, 2023

• Add a test for an error on required JSX children when an empty JSX expression is used

  #53113 merged Mar 6, 2023

• Mark binder as pure to tree shake in typingsInstaller

  #53107 merged Mar 6, 2023

• Add extra test cases for indexed access on generic mapped type

  #53112 merged Mar 6, 2023

• feat(52883): Organize Imports doesn't treat exports the same way and merges groups

  #52982 merged Mar 4, 2023

• Check for strict subtypes and then regular subtypes in getNarrowedType

  #52984 merged Mar 3, 2023

• fix(53074): Functions with async keyword don't autocomplete

  #53079 merged Mar 3, 2023

• Add extra test cases for `Awaited<T>` inference

  #53068 merged Mar 3, 2023

• Add tests for inferring contextual generic mapped types

  #52709 merged Mar 3, 2023

• Make getSupportedCodeFixes plugin test such that we dont need to update its baseline for every new error

  #53070 merged Mar 2, 2023

• Remove perf_hooks patch needed for old versions of Node

  #53058 merged Mar 2, 2023

• Cherry-pick #52565 to release-5.0

  #53055 merged Mar 2, 2023

• 🤖 Pick PR #53012 (Omit intersection property check wh...) into release-5.0

  #53024 merged Mar 2, 2023

• Fixed spreading iterables into arguments list directly into rest-only signatures

  #52838 merged Mar 2, 2023

• ScriptInfo versioning improvements

  #53001 merged Mar 1, 2023

• Baseline for watches to only add watch state if there is change and include typing installer baselines into tsserver baselines

  #52901 merged Mar 1, 2023

• Uncomment gitlens option in template

  #53052 merged Mar 1, 2023

• Mark indexed access object type comparisons as unreliable

  #52106 merged Mar 1, 2023

• fix(52444): "... is a type and must be imported using a type-only import ..." should have a quick fix

  #52565 merged Mar 1, 2023

• Use `missingType` instead of `undefinedType` for optional methods under `exactOptionalPropertyTypes`

  #52519 merged Mar 1, 2023

• Remove long deprecated occurrences request

  #52347 merged Mar 1, 2023

• Fixed false positive errors in empty optional binding patterns in declaration signatures

  #50816 merged Mar 1, 2023

• Updates to type reference directive resolution and module resolution when failed

  #51715 merged Mar 1, 2023

• Also set javascript.unstable for organize imports in settings.json

  #53047 merged Mar 1, 2023

• Resolve contextual computed properties with non-bindable names

  #51915 merged Mar 1, 2023

• Add tests for Awaited<null> and Awaited<undefined>

  #52960 merged Mar 1, 2023

• convert JSDoc typedef to type, issue 50644

  #51430 merged Mar 1, 2023

• Fixed an issue with top function type being callable with no arguments

  #52387 merged Mar 1, 2023

• Completely remove Push type

  #52133 merged Mar 1, 2023

• Pin all of the deps besides @types/node and @octokit/rest

  #53026 merged Mar 1, 2023

• Deprecate UnderscoreEscapedMap and remove internal uses

  #53032 merged Mar 1, 2023

• Add an extra test case for an aliased mapped type inference

  #52742 merged Mar 1, 2023

• Add the OpenSSF Scorecard GitHub Action

  #52103 merged Mar 1, 2023

• lib Fix Part 1/6 – WeakMap constructor

  #50449 merged Feb 28, 2023

• Exclude literal completions after closing quote and JSX attribute location

  #52676 merged Feb 28, 2023

• Remove createUnderscoreEscapedMultiMap

  #53029 merged Feb 28, 2023

28 Pull requests opened by 14 people

• Add NullKeyword to isPartOfTypeNode, mirroring UndefinedKeyword

  #53025 opened Feb 28, 2023

• fix(53011): Illegal declaration file can be emitted (duplicate parameter names) when spreading tuples into parameter positions

  #53028 opened Feb 28, 2023

• Fix #33569 - Enable declaration emit for late-bound function members

  #53034 opened Feb 28, 2023

• Improve contextual typing of ending tuple elements

  #53036 opened Mar 1, 2023

• Try bailing out at earlier points in `getSymbolIfSameReference`.

  #53040 opened Mar 1, 2023

• Fixed contextual types within generic tuple mapped types

  #53042 opened Mar 1, 2023

• Accurate constraintType for indexedAccessType

  #53059 opened Mar 2, 2023

• Always substitute indexed generic mapped type when getting constraint from indexed access

  #53066 opened Mar 2, 2023

• Rename scanner token methods

  #53078 opened Mar 3, 2023

• Scan bigger/fewer jsdoc tokens

  #53081 opened Mar 3, 2023

• [WIP] Allow adding arbitrary extension files to program without d.ts files being on the disk

  #53086 opened Mar 4, 2023

• Allow implicit return with explicit `undefined` return type

  #53092 opened Mar 4, 2023

• Defer resolution of indexed access types with reducible object types

  #53098 opened Mar 5, 2023

• Add an extra test for excess property check for intersection containing a recursive type

  #53100 opened Mar 5, 2023

• Use homomorphic templated type for `Omit`

  #53110 opened Mar 6, 2023

• Skip asking for jsdoc in checkObjectLiteral for enums in TS

  #53117 opened Mar 6, 2023

• Don't slice whitespace in jsdoc parser unless needed

  #53121 opened Mar 6, 2023

• [experiment] Test out package-size-report

  #53123 opened Mar 7, 2023

• Remove old test262 and dt runner infra

  #53125 opened Mar 7, 2023

• Use `export * as namespace` syntax in barrel modules.

  #53127 opened Mar 7, 2023

• fix(lib.d.ts): fixed buffer parameter type of `DataView`

  #53130 opened Mar 7, 2023

• DOM update 2023-03-07

  #53133 opened Mar 7, 2023

• Investigation: using a mapped form of Omit in rest destructuring

  #53134 opened Mar 7, 2023

• WIP: Figure out what is happening in CI

  #53135 opened Mar 7, 2023

• Make ModuleResolutionKind.Node10 change backward-compatible

  #53139 opened Mar 7, 2023

• Cherry-pick #52993 to release-5.0

  #53142 opened Mar 7, 2023

• 🤖 Pick PR #53139 (Make ModuleResolutionKind.Node10 ch...) into release-5.0

  #53143 opened Mar 7, 2023

• Destructure scanner methods in parser

  #53144 opened Mar 7, 2023

63 Issues closed by 26 people

• skipLibCheck doesn't work

  #53128 closed Mar 7, 2023

• TS: suggest the best fitting local variable

  #53141 closed Mar 7, 2023

• Move to new file refactor doesn't respect quote settings

  #31915 closed Mar 7, 2023

• Request to expose `zeroType` `emptyStringType` and `isTypeAssignableTo` on the TS TypeChecker

  #50694 closed Mar 7, 2023

• Promise.all overloads don't account for single element tuples

  #41831 closed Mar 7, 2023

• Incorrect type inference of Promise.all when spreading Promise arrays

  #40330 closed Mar 7, 2023

• Improve error locations for return type errors

  #52934 closed Mar 7, 2023

• fixUnusedIdentifier: Unwanted side-effects when removing an unused destructuring declaration containing a function call

  #52569 closed Mar 6, 2023

• Conditional type simplified too early

  #46761 closed Mar 6, 2023

• Required children are not enforced with TSX

  #38108 closed Mar 6, 2023

• Module augmentation seems to break when namespace and class have same name

  #52933 closed Mar 6, 2023

• Partial<T>[K] is not assignable to T[K] | undefined

  #47523 closed Mar 6, 2023

• [3.5.1] Type 'NonNullable<Partial<Config>[T]>' is not assignable to type 'Config[T]'

  #31675 closed Mar 6, 2023

• Add `using namespace` statement

  #53095 closed Mar 6, 2023

• Add support for the jsdoc abstract tag

  #53099 closed Mar 6, 2023

• Type narrowing doesn't work in closure

  #53105 closed Mar 6, 2023

• Separate read and write types for properties

  #32821 closed Mar 5, 2023

• moduleResolution node16 conflicts with type "module" packages that export commonjs

  #53045 closed Mar 5, 2023

• Partial type assertions

  #53061 closed Mar 5, 2023

• Twoslash quick infos for all!

  #46720 closed Mar 5, 2023

• Type narrowing for predicates with empty object union not working anymore

  #53039 closed Mar 4, 2023

• Bad type inference in union type

  #53033 closed Mar 4, 2023

• add type predicate ability based on constructor name (resp. checking what constructor name is)

  #53044 closed Mar 4, 2023

• Possible regression in overloads with optional `this` types in callbacks

  #53080 closed Mar 4, 2023

• ERROR: node_modules/immutable/dist/immutable.d.ts(5172,6): error TS2315: Type 'FromJS' is not generic.

  #53094 closed Mar 4, 2023

• Bug: `a instanceof b === false` doesn't influence type flow

  #53093 closed Mar 4, 2023

• Organize imports does not respect export grouping

  #50246 closed Mar 4, 2023

• Organize Imports doesn't treat exports the same way and merges groups

  #52883 closed Mar 4, 2023

• v5 regression: type guard doesn't narrow type

  #53063 closed Mar 4, 2023

• Improvement to getNarrowedType changes lodash's isArray

  #52827 closed Mar 3, 2023

• Allow satisfies to be used as a type contraint to allow constraining types to be exactly the same as the constraint.

  #53084 closed Mar 3, 2023

• Mixin with a Generic Constraint on a constructor argument not working as expected

  #52971 closed Mar 3, 2023

• Functions with async keyword don't autocomplete

  #53074 closed Mar 3, 2023

• TypeScript 5.1: ts.createLiteral is not a function

  #53077 closed Mar 3, 2023

• AbortController.abort is missing parameter support

  #47505 closed Mar 3, 2023

• TYPO: Mini typo :D

  #53076 closed Mar 3, 2023

• Inconsistent type resolution when resolving a Promise in a generic context

  #46543 closed Mar 3, 2023

• Error type when reduce an array of string | number and return a number

  #53075 closed Mar 3, 2023

• Declaration files wrong generated import for indirectly referenced types

  #52970 closed Mar 3, 2023

• error when assigning union of property type to union of object type when both types have a property with the same name and different types

  #53060 closed Mar 3, 2023

• Type doesn't "widen" after a function call

  #53071 closed Mar 3, 2023

• Missing interface definition for Highlight API

  #53003 closed Mar 2, 2023

• Type narrowing for predicates works with implicit if, fails with explicit if

  #53005 closed Mar 2, 2023

• Unexpected `any[]` spreading `string` into `unknown[]`-constrained argument position

  #52781 closed Mar 2, 2023

• Pipe character rendered when using TSDoc @link with url and custom link text

  #52868 closed Mar 2, 2023

• TS syntax highlighting messed up in VS2022 after update to 17.5.x

  #53054 closed Mar 1, 2023

• Uncomputed generic type does not follow structural typing

  #52096 closed Mar 1, 2023

• "... is a type and must be imported using a type-only import ..." should have a quick fix

  #52444 closed Mar 1, 2023

• Required<...> doesn't work anymore when using --exactOptionalPropertyTypes

  #52494 closed Mar 1, 2023

• Empty binding pattern in optional parameter declaration says "Object is possibly 'undefined'", while non-empty does not

  #50791 closed Mar 1, 2023

• Compiler API: respect typeRoots in resolveModuleName

  #44270 closed Mar 1, 2023

• Type merging for imported types only works if the type is imported from "node_modules/@types/" dir

  #39691 closed Mar 1, 2023

• Folders from typesRoot should be used in looking up for types for imports as well as `@types` folder

  #37958 closed Mar 1, 2023

• typeRoots and types not working

  #37708 closed Mar 1, 2023

• TS syntax highlighting messed up in VS2022 after update to 17.5.x

  #53046 closed Mar 1, 2023

• Functions on mapped object types with inlined computed keys don't infer correctly

  #52954 closed Mar 1, 2023

• Property with name from computed from function call incorrectly has its value widened

  #51906 closed Mar 1, 2023

• JSDoc to Type Annotations Codefix And @typedef

  #50644 closed Mar 1, 2023

• Regression causes Function top-type to be callable with no arguments

  #48840 closed Mar 1, 2023

• Add the OpenSSF Scorecard GitHub Action

  #52043 closed Mar 1, 2023

• String literal completions right after quote

  #52675 closed Feb 28, 2023

• Intellisense suggestion in Typescript after prop with literal string type

  #51667 closed Feb 28, 2023

• [request] Empty array failure at compile time as opposed to runtime

  #53021 closed Feb 28, 2023

44 Issues opened by 37 people

• Use customConditions to support project reference correctly in a monorepo

  #53132 opened Mar 7, 2023

• IntelliSense does not complete any member of class in ts file while using custom d.ts.

  #53140 opened Mar 7, 2023

• TS 5.0 - ModuleResolutionKind Enum changed (breaking change that's not listed)

  #53131 opened Mar 7, 2023

• CMD click on key doesn't navigate to references on typescript satisfies Record<>.

  #53138 opened Mar 7, 2023

• pulumi/pulumi-azure-native causes high memory usage

  #53137 opened Mar 7, 2023

• [NewErrors] 5.1.0-dev.20230306 vs 5.0.1-rc

  #53122 opened Mar 6, 2023

• TS Server fatal error: Debug Failure. Expected -1 >= 0

  #53119 opened Mar 6, 2023

• Invalid CommonJS output when transforming a single import declaration into multiple

  #53115 opened Mar 6, 2023

• TSC emits invalid .d.ts file with reserved keywords in identifier position

  #53111 opened Mar 6, 2023

• [Bug] Required in `[K in keyof Required<T>]` differ when using arrow function and normal function

  #53109 opened Mar 6, 2023

• Fast path opportunity in `checkVariableLikeDeclaration`

  #53108 opened Mar 6, 2023

• async iterator does not call return() for an abrupt completion at for await of loop

  #53106 opened Mar 6, 2023

• Emit errors for rogue jsdoc tags

  #53104 opened Mar 6, 2023

• [ServerErrors][TypeScript] 5.1.0-dev.20230305

  #53103 opened Mar 5, 2023

• [ServerErrors][JavaScript] 5.1.0-dev.20230305

  #53102 opened Mar 5, 2023

• [NewErrors] 5.1.0-dev.20230305 vs 4.9.5

  #53101 opened Mar 5, 2023

• TS2416 wrong detection in Mapped Types

  #53097 opened Mar 5, 2023

• TS Server fatal error: Debug Failure. Invalid cast. The supplied value [object Object] did not pass the test 'isUnaryExpression'.

  #53114 opened Mar 5, 2023

• Each tuple member type becomes union of all tuple member types when intersection with object

  #53091 opened Mar 4, 2023

• Manipulated tuple type not allowed to be spread/not recognized as iterable

  #53089 opened Mar 4, 2023

• Property inherited from mixin of function type with parameter of type "this" incorrectly extends base class static side

  #53088 opened Mar 4, 2023

• TSC Regression causing crash (Heap OOM) between version 4.8.4 & 4.9.3 in large project

  #53087 opened Mar 4, 2023

• Design Meeting Notes, 3/3/2023

  #53083 opened Mar 3, 2023

• Double error on invalid delete of readonly property

  #53082 opened Mar 3, 2023

• Typescript auto import not support ** glob pattern in "exports" field of package.json

  #53116 opened Mar 3, 2023

• String completions fail when they depend on the contextual signature

  #53073 opened Mar 3, 2023

• Type narrowing fails to account for multiple conditions

  #53072 opened Mar 3, 2023

• Suggest field names in function parameter without pressing ctrl+space (Sequelize)

  #53069 opened Mar 2, 2023

• Error on narrowing down non-null variables

  #53064 opened Mar 2, 2023

• [Feature Request] NoneEmptyRecord

  #53062 opened Mar 2, 2023

• Design Meeting Notes, 2023-03-01

  #53057 opened Mar 1, 2023

• createImageBitmap() `imageOrientation` option type incorrect in 5.0.0-beta

  #53053 opened Mar 1, 2023

• Problematic method overload in derived class (from JS)

  #53051 opened Mar 1, 2023

• Unable to recover type information across spread infer followed by rest infer?

  #53050 opened Mar 1, 2023

• Exclude completions of binding pattern variable initializers

  #53049 opened Mar 1, 2023

• "Special" intersections (such as `string & {}`) are no longer order-independent since 4.8

  #53043 opened Mar 1, 2023

• Incorrect rename when using npm workspaces and project references

  #53041 opened Mar 1, 2023

• Support resolving types from import specifiers using custom schemes

  #53038 opened Mar 1, 2023

• Performance issues when using generic constraints

  #53035 opened Feb 28, 2023

• TypeScript 5.1 Iteration Plan

  #53031 opened Feb 28, 2023

• Mapped type with union in value with data type accessing failing to strongly type

  #53030 opened Feb 28, 2023

• Mechanism for package authors to give auto-import hints

  #53037 opened Feb 28, 2023

• Impossible intersection is supposedly never but any can still be assigned to it

  #53027 opened Feb 28, 2023

• Assertion fails when conditional on other variable

  #53023 opened Feb 28, 2023

155 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.

• Infer types from mapped properties other than the mapped type itself

  #52737 commented on Mar 7, 2023 • 17 new comments

• async/await: nowait keyword?

  #13376 commented on Mar 7, 2023 • 15 new comments

• Remove lib folder (LKG) and use node_modules for building

  #52226 commented on Mar 7, 2023 • 14 new comments

• Make special intersections order-independent

  #52782 commented on Mar 7, 2023 • 14 new comments

• Fix compound assignments for properties with different getter & setter types

  #50431 commented on Mar 1, 2023 • 10 new comments

• Add method host.createCustomSourceFile for custom file extensions

  #52983 commented on Mar 4, 2023 • 9 new comments

• Suggestion: `throws` clause and typed catch clause

  #13219 commented on Mar 4, 2023 • 8 new comments

• Skip parsing JSDoc in .ts files (continued)

  #52921 commented on Mar 1, 2023 • 8 new comments

• [FOR TESTING PURPOSES] always error

  #52750 commented on Mar 3, 2023 • 7 new comments

• Regex-validated string types (feedback reset)

  #41160 commented on Mar 4, 2023 • 6 new comments

• Don't include completions for current and later parameters

  #52690 commented on Mar 7, 2023 • 6 new comments

• Allow specifying interface implements clauses for the static side of classes

  #33892 commented on Mar 7, 2023 • 5 new comments

• Improve overload and generic signature inference: Inference alternatives and linked inferences

  #52944 commented on Mar 4, 2023 • 5 new comments

• Liskov Substitution checks for overloads behave inconsistently

  #52916 commented on Mar 2, 2023 • 4 new comments

• Inconsistent errors reported between `tsc` and VSCode

  #52813 commented on Mar 3, 2023 • 4 new comments

• Suggestion: refactor to "move to another (existing) file"

  #29988 commented on Mar 6, 2023 • 4 new comments

• Autocompletion did not work when the cursor was placed before the constructor()

  #53124 commented on Mar 7, 2023 • 4 new comments

• Fix string completions depending on contextual signatures

  #52717 commented on Mar 3, 2023 • 4 new comments

• Built-in Symbol.iterator methods return IterableIterator<T> extending Iterator<T>, not Iterator<T, undefined>

  #52998 commented on Mar 1, 2023 • 3 new comments

• static property inheritance complaining when it shouldn't

  #4628 commented on Mar 1, 2023 • 3 new comments

• exactOptionsPropertyTypes - anomolous behavior with Tuples, options, and spreading.

  #45764 commented on Mar 2, 2023 • 3 new comments

• TypeScript 5.0 Iteration Plan

  #51362 commented on Mar 3, 2023 • 3 new comments

• ECMAScript Explicit Resource Management & `using` Declarations

  #52955 commented on Mar 6, 2023 • 3 new comments

• Interface with readonly property is assignable to interface with mutable property

  #13347 commented on Mar 6, 2023 • 3 new comments

• Allow `this` parameter in property accessors (getter/setter)

  #52923 commented on Mar 6, 2023 • 3 new comments

• [typescript] Incorrect edits with newline applying

  #53120 commented on Mar 7, 2023 • 3 new comments

• Native support for PnP

  #35206 commented on Mar 5, 2023 • 3 new comments

• Upgrade "boolean-trivia" lint to new "argument-trivia" lint that uses type info, has quick fixes, etc.

  #53002 commented on Mar 6, 2023 • 3 new comments

• Class static property assigned outside of the class body becomes read-only (`--allowJs`)

  #53006 commented on Feb 28, 2023 • 2 new comments

• Should type-only import resolving to ES module from CJS module be allowed?

  #52529 commented on Mar 1, 2023 • 2 new comments

• Suggestion: error when using relational operators on types whose valueOf() method returns 'never' or 'void'

  #52773 commented on Mar 1, 2023 • 2 new comments

• ES2022 Class Decorators not working when Class has self-static member

  #52004 commented on Mar 2, 2023 • 2 new comments

• TSLint named-imports-order and ESLint sort-imports don't order special chars (_) the same as organizeImports

  #37548 commented on Mar 2, 2023 • 2 new comments

• Unexpected type inference for parameters in Function|object union

  #52966 commented on Mar 2, 2023 • 2 new comments

• Proposal: strictly-typed enums

  #53013 commented on Mar 2, 2023 • 2 new comments

• Module documentation tracking issue

  #52593 commented on Mar 3, 2023 • 2 new comments

• Incorrect completions in object literal expression for overloads

  #52692 commented on Mar 4, 2023 • 2 new comments

• Support `satisfies` operator on functions

  #51556 commented on Mar 4, 2023 • 2 new comments

• `Result value must be used` check

  #8240 commented on Mar 7, 2023 • 2 new comments

• Generic values

  #17574 commented on Mar 7, 2023 • 2 new comments

• CSS module support

  #46689 commented on Mar 7, 2023 • 2 new comments

• Completely remove Collection/ReadonlyCollection types

  #52134 commented on Feb 28, 2023 • 2 new comments

• Ensure call return() for an abrupt completion at for await of loop

  #52754 commented on Mar 7, 2023 • 2 new comments

• Skip resolving files directly inside node_modules

  #52809 commented on Feb 28, 2023 • 2 new comments

• Include Default Parameter Values in Signature Help

  #52819 commented on Mar 4, 2023 • 2 new comments

• Infer from filtering mapped types

  #52972 commented on Mar 7, 2023 • 2 new comments

• TSC really slow with project config and eventually fails

  #51816 commented on Feb 28, 2023 • 1 new comment

• Enable type parameter lower-bound syntax

  #14520 commented on Feb 28, 2023 • 1 new comment

• [Performance] Add option for parser to compute Node.loc eagerly during parsing

  #53010 commented on Mar 1, 2023 • 1 new comment

• Feature request: allow using JSDoc types inside .ts files

  #42048 commented on Mar 1, 2023 • 1 new comment

• JSDoc @implements tag/clause not checked

  #30156 commented on Mar 1, 2023 • 1 new comment

• Intra expression inference doesn't work within reverse mapped types

  #53018 commented on Mar 1, 2023 • 1 new comment

• Expect to use @throws in lib/*.d.ts to mark which methods may throw err

  #43528 commented on Mar 1, 2023 • 1 new comment

• auto align colons in object literals, variables, and equals like WebStorm

  #11865 commented on Mar 2, 2023 • 1 new comment

• Request: Class Decorator Mutation

  #4881 commented on Mar 2, 2023 • 1 new comment

• Typescript can't infer types when using Proxy

  #20846 commented on Mar 2, 2023 • 1 new comment

• "The inferred type of X cannot be named without a reference to Y" (TS2742) occurs when multiple modules with the same package ID are resolved

  #47663 commented on Mar 2, 2023 • 1 new comment

• Add native support for twoslash comment queries

  #52839 commented on Mar 2, 2023 • 1 new comment

• Allow Generic Child Classes to Satisfy Only a Subset of Parent Constructor Overloads

  #52585 commented on Mar 2, 2023 • 1 new comment

• Request to change currentTarget in Event interface for lib.d.ts

  #299 commented on Mar 2, 2023 • 1 new comment

• Support @ts-ignore for specific errors

  #19139 commented on Mar 2, 2023 • 1 new comment

• IntelliSense slow down with large json file

  #48364 commented on Mar 2, 2023 • 1 new comment

• Type JSX elements based on createElement function

  #14729 commented on Mar 2, 2023 • 1 new comment

• Allow intersection type guards for multiple parameters

  #26916 commented on Mar 2, 2023 • 1 new comment

• Allow `this` in constructor parameter

  #38038 commented on Mar 2, 2023 • 1 new comment

• Suggestion: perform excess property checks when spreading an inline object literal

  #39998 commented on Mar 3, 2023 • 1 new comment

• Types defining `Symbol.hasInstance` should be eligible to use with the `instanceof` operator

  #39064 commented on Mar 3, 2023 • 1 new comment

• JavaScript/TypeScript region folding with //region does not work

  #29379 commented on Mar 3, 2023 • 1 new comment

• [Feature request]type level equal operator

  #48100 commented on Mar 3, 2023 • 1 new comment

• Typescript adds `export {}` at the end of cts/cjs files

  #52948 commented on Mar 3, 2023 • 1 new comment

• [Microsoft.TypeScript.MSBuild] Incremental build is broken for .NET (Core)

  #50599 commented on Mar 3, 2023 • 1 new comment

• Better types for UrlSearchParams

  #43738 commented on Mar 3, 2023 • 1 new comment

• Infer project references from common monorepo patterns / tools

  #25376 commented on Mar 3, 2023 • 1 new comment

• VSCode TypeScript project references resolve of duplicate files

  #48058 commented on Mar 3, 2023 • 1 new comment

• Show unused public properties and methods

  #29293 commented on Mar 3, 2023 • 1 new comment

• Performance regression from #48044

  #52345 commented on Mar 3, 2023 • 1 new comment

• Instantiation expression inside nested classes produces unexpected circular reference error

  #52892 commented on Mar 3, 2023 • 1 new comment

• Add `SharedWorker` to the library

  #24323 commented on Mar 3, 2023 • 1 new comment

• Go-to-definition on `continue` and `break` should jump around(?) corresponding statement

  #51224 commented on Mar 3, 2023 • 1 new comment

• TypeScripts Type System is Turing Complete

  #14833 commented on Mar 4, 2023 • 1 new comment

• Why doesn't awaiting a Promise<never> change reachability?

  #34955 commented on Mar 4, 2023 • 1 new comment

• Union between Uint8Array and Array<number> does not work for reduce function

  #44593 commented on Mar 4, 2023 • 1 new comment

• Optional type as required if used in one branch of nested promises

  #42293 commented on Mar 4, 2023 • 1 new comment

• Different inference behaviour between JSX and function call with context sensitive functions.

  #50121 commented on Mar 5, 2023 • 1 new comment

• 4.1.1-rc strange Type is not assignable to type never with yield & generators

  #41428 commented on Mar 5, 2023 • 1 new comment

• TS Server fatal error: Debug Failure. False expression.

  #39430 commented on Mar 6, 2023 • 1 new comment

• Type bug: using mapped type (Partial) & this type & lookup type

  #36505 commented on Mar 6, 2023 • 1 new comment

• Generic of abstract class should be inferrable from abstract property implemented in subclass

  #39180 commented on Mar 6, 2023 • 1 new comment

• [3.9.2] Regression - combination of mapped type, intersection and generic produces error under infer

  #38460 commented on Mar 6, 2023 • 1 new comment

• Inference from rest parameters has strange inconsistent results

  #37193 commented on Mar 6, 2023 • 1 new comment

• Mirror Cursor for JSX

  #51832 commented on Mar 6, 2023 • 1 new comment

• No error with Partial<Record<number, {}>> in object spreading

  #37337 commented on Mar 6, 2023 • 1 new comment

• Allow setter type to be incompatible with the getter type

  #43662 commented on Mar 6, 2023 • 1 new comment

• Lib dependencies are transitive

  #37775 commented on Mar 7, 2023 • 1 new comment

• Suggestion: Noninferential type parameter usage

  #14829 commented on Mar 7, 2023 • 1 new comment

• Unexpected behavior in extends clause that has two inferred rest types with constraints

  #50993 commented on Mar 7, 2023 • 1 new comment

• Suggestion: Allow interfaces to "implement" (vs extend) other interfaces

  #24274 commented on Mar 7, 2023 • 1 new comment

• Investigate making JSDoc parsing lazier and more optimal

  #52959 commented on Mar 7, 2023 • 1 new comment

• Configure from package.json

  #32830 commented on Mar 7, 2023 • 1 new comment

• Emit source positions for open/close braces

  #47924 commented on Feb 28, 2023 • 1 new comment

• When calculating inferred infer type constraints, replace conditionals…

  #48648 commented on Mar 5, 2023 • 1 new comment

• Automatically enable `debugMode` when recording with Replay

  #49027 commented on Mar 6, 2023 • 1 new comment

• Adding baseline methods for verification of findAllRefs, GoTo*, Occurrences, highlights and rename deprecating the corresponding verification methods from fourslash tests

  #52576 commented on Mar 3, 2023 • 1 new comment

• Fix property completion in unions of object types and string mappings

  #52767 commented on Mar 7, 2023 • 1 new comment

• Revert fix for intersections in template literals, fix differently

  #52836 commented on Mar 2, 2023 • 1 new comment

• infer from usages: support short-circuiting assignment operators

  #52860 commented on Feb 28, 2023 • 1 new comment

• fix: non-relative path completion without baseUrl

  #52908 commented on Mar 7, 2023 • 1 new comment

• Export isInternalDeclaration and isDeclarationStatement

  #52941 commented on Mar 7, 2023 • 1 new comment

• Add `NoInfer` intrinsic type

  #52968 commented on Mar 7, 2023 • 1 new comment

• Consistently allow Locale objects in locale list params

  #52996 commented on Mar 7, 2023 • 1 new comment

• Function inference fails when a final argument is supplied after rest via destructured tuples

  #43122 commented on Mar 1, 2023 • 0 new comments

• Contextual parameters not inferred from variadic tuples with trailing elements

  #52846 commented on Mar 1, 2023 • 0 new comments

• Generic template literal index does not resolve value type

  #50030 commented on Mar 2, 2023 • 0 new comments

• `--isolatedDeclarations` for standalone DTS emit

  #47947 commented on Mar 3, 2023 • 0 new comments

• Key that must exist on generic type T cannot be used to index type type T

  #51161 commented on Mar 5, 2023 • 0 new comments

• Incorrect initialization type checking for conditional type

  #40405 commented on Mar 5, 2023 • 0 new comments

• Better typings for AsyncIterableIterator

  #52888 commented on Mar 6, 2023 • 0 new comments

• for await of loops don't call AsyncIterator.return() on early exit

  #52936 commented on Mar 7, 2023 • 0 new comments

• JSDoc support for object literal fields

  #290 commented on Mar 7, 2023 • 0 new comments

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

  #11920 commented on Mar 7, 2023 • 0 new comments

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

  #33471 commented on Mar 7, 2023 • 0 new comments

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

  #39114 commented on Mar 7, 2023 • 0 new comments

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

  #39650 commented on Mar 7, 2023 • 0 new comments

• Class Property Inference from Constructors fails for a simple object declared in place

  #39681 commented on Mar 7, 2023 • 0 new comments

• Hoisted function declarations should be assigned to `exports` before any `require` calls

  #39853 commented on Mar 7, 2023 • 0 new comments

• Unexpected behavior (possible bug)

  #39970 commented on Mar 7, 2023 • 0 new comments

• Support “Arbitrary module namespace identifier names”

  #40594 commented on Mar 7, 2023 • 0 new comments

• Using an optional call with `.flat()` produces incorrect types

  #41007 commented on Mar 7, 2023 • 0 new comments

• Compile error if I named last array destructuring element.

  #41548 commented on Mar 7, 2023 • 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 Mar 7, 2023 • 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 Mar 7, 2023 • 0 new comments

• `\u` in String.raw

  #42887 commented on Mar 7, 2023 • 0 new comments

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

  #46791 commented on Mar 7, 2023 • 0 new comments

• Intersection causes incorrect type compatability

  #48720 commented on Mar 7, 2023 • 0 new comments

• [NewErrors] 4.8.0-dev.20220609 vs 4.7.3

  #49460 commented on Mar 7, 2023 • 0 new comments

• Regression in 4.8 where string union type widens to string

  #50635 commented on Mar 7, 2023 • 0 new comments

• Types declared in types.d.ts not included in output of tsc --emitDeclarationOnly

  #51784 commented on Mar 7, 2023 • 0 new comments

• More specific TemplateStringsArray type for tagged templates

  #49552 commented on Feb 28, 2023 • 0 new comments

• Support supplying a `watchFactory` option that resolves the plugin and uses it for watching file or directory

  #51074 commented on Mar 2, 2023 • 0 new comments

• Ensure moduleType is structured during cloneTypeAsModuleType

  #51136 commented on Mar 2, 2023 • 0 new comments

• Filter possible contextual return types from unions for async functions and generators

  #51196 commented on Mar 5, 2023 • 0 new comments

• [experiment] direct imports

  #51590 commented on Mar 3, 2023 • 0 new comments

• Skip derived override assignment declarations

  #52603 commented on Mar 1, 2023 • 0 new comments

• Extend `isTupleLikeType` to also check if `.length` is a number literal type

  #52617 commented on Mar 3, 2023 • 0 new comments

• Don't set NodeFlags.JavaScriptFile on JSON, avoid asking for JSDoc outside of JS

  #52641 commented on Mar 6, 2023 • 0 new comments

• Call getUnionOrIntersectionProperty in getAllPossiblePropertiesOfTypes

  #52647 commented on Mar 3, 2023 • 0 new comments

• Do not resolve apparent type of mapped types with a tuple constraint

  #52651 commented on Feb 28, 2023 • 0 new comments

• Fix mixin functions with 'this' type having 'any' type in dts file

  #52678 commented on Mar 3, 2023 • 0 new comments

• Exclude completions of binding pattern variable initializers

  #52723 commented on Mar 1, 2023 • 0 new comments

• Report elementwise elaborations on spreads too

  #52850 commented on Mar 2, 2023 • 0 new comments

• Prefer using the constraint type when there are no inference candidates

  #52865 commented on Mar 2, 2023 • 0 new comments

• Get apparent type for calls used directly at argument positions to aid nested inferences

  #52866 commented on Mar 3, 2023 • 0 new comments

• Better typings for AsyncIterableIterator

  #52887 commented on Mar 6, 2023 • 0 new comments

• fix(52879): No autocompletions after the typeof keyword inside JSDoc comments.

  #52973 commented on Mar 7, 2023 • 0 new comments

• Save jsdoc comments in string not array

  #53007 commented on Mar 1, 2023 • 0 new comments