microsoft / TypeScript Public

1 Release published by 1 person

• v4.6-beta TypeScript 4.6 Beta

  published Jan 27, 2022

24 Pull requests merged by 11 people

• fix(47582): Debug assertion violation for extract type refactoring

  #47596 merged Jan 28, 2022

• LEGO: Pull request from lego/hb_5378966c-b857-470a-8675-daebef4a6da1_20220128121413131 to main

  #47649 merged Jan 28, 2022

• LEGO: Pull request from lego/hb_5378966c-b857-470a-8675-daebef4a6da1_20220128061813234 to main

  #47647 merged Jan 28, 2022

• Allow usage of local value symbol merged with type-only import

  #47642 merged Jan 28, 2022

• Add `assert` keyword in completions

  #47644 merged Jan 28, 2022

• LEGO: Pull request from lego/hb_5378966c-b857-470a-8675-daebef4a6da1_20220128001518462 to main

  #47645 merged Jan 28, 2022

• Fix duplicate completions from two different copies of a node_modules package

  #47584 merged Jan 27, 2022

• Revert to temporary AbortSignal fix

  #47643 merged Jan 27, 2022

• Proposal: simplify auto import descriptions

  #47631 merged Jan 27, 2022

• LEGO: Pull request from lego/hb_5378966c-b857-470a-8675-daebef4a6da1_20220127181411726 to main

  #47641 merged Jan 27, 2022

• LEGO: Pull request from lego/hb_5378966c-b857-470a-8675-daebef4a6da1_20220127121446349 to main

  #47640 merged Jan 27, 2022

• LEGO: Pull request from lego/hb_5378966c-b857-470a-8675-daebef4a6da1_20220127061439183 to main

  #47635 merged Jan 27, 2022

• Allow moduleSymbolToValidIdentifier to be uppercase for JSX tags

  #47625 merged Jan 27, 2022

• Add codefix and completions for promoting existing type-only imports to non-type-only

  #47552 merged Jan 26, 2022

• Don't block completion after end of type parameters in JSX elements

  #47501 merged Jan 26, 2022

• fix: enum self reference

  #47287 merged Jan 26, 2022

• Update DOM 2022-01-26

  #47623 merged Jan 26, 2022

• Fix diagnostic serialization crash

  #47604 merged Jan 26, 2022

• fix(47561): bad declaration emit for rebound type parameter name

  #47609 merged Jan 26, 2022

• feat(42684): Override JSDoc for re-exported types / enum / classes / interfaces

  #47293 merged Jan 25, 2022

• Fix JsDocTags inheritage and setter/getter quickInfo

  #46801 merged Jan 25, 2022

• Don't trace bindSourceFile cache hits

  #47602 merged Jan 25, 2022

• Allow structure reuse if a declaration file within a package is updated

  #47472 merged Jan 25, 2022

• Fix detecting an existing `Map`/`Set`

  #47409 merged Jan 24, 2022

9 Pull requests opened by 7 people

• Don't treat a colon in a conditional expression branch as part of an arrow function

  #47550 opened Jan 21, 2022

• Bump node-fetch from 2.6.1 to 2.6.7

  #47564 opened Jan 23, 2022

• fix(32941): Template tag constraints not displayed in vscode intellisense

  #47567 opened Jan 23, 2022

• fix(47391): JSDoc/TSDoc @link with custom display text incorrectly shows vertical bar

  #47575 opened Jan 24, 2022

• fix typefacts of intersection

  #47583 opened Jan 24, 2022

• Add basic supports for template literal as jsx attribute value

  #47590 opened Jan 25, 2022

• Improve parameter decorator inference

  #47591 opened Jan 25, 2022

• Instantiation expressions

  #47607 opened Jan 26, 2022

• feat(47619): Extract jsx string to constant

  #47624 opened Jan 26, 2022

46 Issues closed by 19 people

• `this` possibly not being inferred properly from `ThisType`

  #47628 closed Jan 28, 2022

• Error in 'consumeTokenAndAdvanceScanner' during 'getCodeFixes'

  #45744 closed Jan 28, 2022

• Debug assertion violation for extract type refactoring

  #47582 closed Jan 28, 2022

• non overlapping casts are allowed for literals

  #47592 closed Jan 28, 2022

• exactOptionalPropertyTypes being inconsistent with T[keyof T]

  #47587 closed Jan 28, 2022

• Cannot use local value when merged with type-only alias

  #47536 closed Jan 28, 2022

• No completion for `assert` keyword

  #46371 closed Jan 28, 2022

• api: compilerhost async fs

  #47570 closed Jan 28, 2022

• Documental changes needed

  #47638 closed Jan 27, 2022

• Auto import provides multiple instances of the same package in monorepo

  #44172 closed Jan 27, 2022

• Wrong type file generated when using baseURL or local package json file

  #47557 closed Jan 27, 2022

• Inconsistent truthiness narrowing involving never-return typed functions

  #47639 closed Jan 27, 2022

• ReadonlyArray<T> should extend RelativeIndexable<T>

  #47569 closed Jan 27, 2022

• Support IntelliSense for JSDoc `@property`/`@prop` tags

  #47622 closed Jan 27, 2022

• Unexpected error for class using a combination of "keyof", generics and unions

  #47629 closed Jan 27, 2022

• Wrong import assist

  #47110 closed Jan 27, 2022

• No compiler error when type is defined inside a function

  #47556 closed Jan 27, 2022

• tsc needlessly emits Object.defineproperty() line when "import" keyword is used.

  #47563 closed Jan 27, 2022

• option to omit `Promise` from return type on `async` functions

  #47630 closed Jan 26, 2022

• Existing `import type` prevents autocompletion of value import for TypeScript

  #44804 closed Jan 26, 2022

• JSX attribute completions sometimes don't work when tag type arguments are specified

  #47416 closed Jan 26, 2022

• Enum internal reference points to the wrong value.

  #47285 closed Jan 26, 2022

• [BUG REPORT] [Please Close this] Typescript breaks with conditional branching if an text gets converted into an array

  #47605 closed Jan 26, 2022

• Strange output from `tsc noEmit` - unclear where error stems from within app,

  #46277 closed Jan 26, 2022

• Accessing abstract property/getter in the constructor

  #47554 closed Jan 26, 2022

• Narrowing down the type of a Promise which had Promise.allSettled called on doesn't work

  #47617 closed Jan 26, 2022

• Use the cluster module, Typescript will compile a default property that does not exist

  #47610 closed Jan 26, 2022

• bad declaration emit for rebound type parameter name

  #47561 closed Jan 26, 2022

• Override JSDoc for re-exported types / enum / classes / interfaces

  #42684 closed Jan 25, 2022

• JSDoc tags does not included in derived classes

  #46572 closed Jan 25, 2022

• @returns documentation gets lost when inheriting getter

  #45508 closed Jan 25, 2022

• Omitting tracing spans for bindSourceFile?

  #47565 closed Jan 25, 2022

• React Javascript Builtin Hooks Import bug

  #47601 closed Jan 25, 2022

• No structure reuse when a declaration file within a package is updated

  #47471 closed Jan 25, 2022

• ts v4.5.4 ,the lib.dom navigator not have hid.

  #47588 closed Jan 25, 2022

• Support template literal as jsx attribute value

  #47589 closed Jan 25, 2022

• Parent class and a Sibling class can be used as an argument that expects a specific class

  #47585 closed Jan 25, 2022

• Wrong return type inference in a generic function using Promise.all

  #37664 closed Jan 24, 2022

• typeof generic function with a specific template type should be possible

  #47542 closed Jan 24, 2022

• Auto imports not working for modules exported via `exports` in package.json

  #46339 closed Jan 24, 2022

• Indexed Access Types don't play well with overloads

  #47540 closed Jan 24, 2022

• "Cannot find module" when importing a folder in ES6

  #47469 closed Jan 23, 2022

• Can't get (partial) union type on extended generics

  #47528 closed Jan 23, 2022

• Incorrect error of specifying 'key' more than once in two different .map()s

  #47566 closed Jan 23, 2022

• Template literal type is lost when used as generic

  #47475 closed Jan 22, 2022

• IntelliSense should suggest all possible object properties for overloaded function

  #47498 closed Jan 22, 2022

49 Issues opened by 44 people

• `@deprecated` incorrectly marks the wrong type as deprecated when used in JavaScript.

  #47652 opened Jan 28, 2022

• Spurious "unreachable case branch" with multi-way conditional type

  #47651 opened Jan 28, 2022

• Overlooks arbitrary value for type asserted property (in object spread)

  #47650 opened Jan 28, 2022

• Variable type can not be determined when I set the generics type of a function

  #47648 opened Jan 28, 2022

• Make true absolute imports relative to source roots work

  #47646 opened Jan 28, 2022

• Array index has different types on same object

  #47636 opened Jan 27, 2022

• Comma Operator breaks Functions that return `never`

  #47634 opened Jan 27, 2022

• Unclear type compatibility of primitives with generic mapped types

  #47633 opened Jan 27, 2022

• Narrow object types after asserting property types

  #47632 opened Jan 27, 2022

• Conditional types documentation missing information crucial for their usage.

  #47627 opened Jan 26, 2022

• Function overloads as intersection of function types

  #47626 opened Jan 26, 2022

• sourceMapDir option

  #47618 opened Jan 26, 2022

• add new feature/type for JSON

  #47616 opened Jan 26, 2022

• Parameters<...> should always be spreadable

  #47615 opened Jan 26, 2022

• Error when generating definition from javascript (error TS9006)

  #47614 opened Jan 26, 2022

• A way to hide a property from completions

  #47613 opened Jan 26, 2022

• Intersection of discriminated union (of records) and a record is incorrect

  #47612 opened Jan 26, 2022

• [Huge] Alternative File-Type extension for typescript files (.ts = mpeg-2 video)

  #47611 opened Jan 26, 2022

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

  #47621 opened Jan 26, 2022

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

  #47620 opened Jan 26, 2022

• Extract jsx string to constant

  #47619 opened Jan 26, 2022

• JSDoc `@callback` tag types are only checked if referenced by code

  #47608 opened Jan 26, 2022

• Crash in inlayHints with JSDoc function type

  #47606 opened Jan 26, 2022

• Inconsistent behaviour when accessing setters between TypeScript (.ts files) and TypeScript in JSDoc.

  #47603 opened Jan 25, 2022

• Virtual file system support in TSServer

  #47600 opened Jan 25, 2022

• Improve inference in the presence of context-sensitive expressions

  #47599 opened Jan 25, 2022

• Import wrongly elided with a combination of default export, named export, non-exported type

  #47598 opened Jan 25, 2022

• preProcessFile incorrectly identifies imports in comments after a template literal type

  #47597 opened Jan 25, 2022

• Inability to use typeof on an ES private property

  #47595 opened Jan 25, 2022

• noUncheckedIndexAccess - disable per type or property (use case: dynamic Proxy which returns value for every prop)

  #47594 opened Jan 25, 2022

• Nested promises are not properly unwrapped in `Promise.then`

  #47593 opened Jan 25, 2022

• Only `null` and `undefined` included in later overloads during inference between overloads

  #47586 opened Jan 25, 2022

• A derived class is allowed be created without a parent's getter or setter.

  #47581 opened Jan 24, 2022

• Optimize and rationalize type-checking for appropriate cases of generic functions with overloads.

  #47580 opened Jan 24, 2022

• Same type evaluated differently when in a Tuple or by itself

  #47579 opened Jan 24, 2022

• For in array should be number index?

  #47578 opened Jan 24, 2022

• Argument type infer not work correctly without specify types of function params

  #47577 opened Jan 24, 2022

• Variable type isn't detected properly even though function's return type is

  #47576 opened Jan 24, 2022

• ReadonlyArray.some does not perform type narrowing

  #47574 opened Jan 24, 2022

• Remove older emit support over time

  #47573 opened Jan 24, 2022

• Increase default targets over time

  #47572 opened Jan 24, 2022

• Incorrect overload selected for `Array.prototype.map(...)`

  #47571 opened Jan 24, 2022

• [NewErrors] 4.6.0-dev.20220123 vs 4.5.5

  #47568 opened Jan 23, 2022

• Inlay hints suppression should be case insensitive and look within variable names

  #47562 opened Jan 23, 2022

• Ability to set a type on an imported variable

  #47560 opened Jan 22, 2022

• Inferred constructable types

  #47559 opened Jan 22, 2022

• Warning 6133 ignores @link tags

  #47558 opened Jan 22, 2022

• allow non-null assertion in jsx tagName

  #47555 opened Jan 22, 2022

• @ts-expect-error and @ts-ignore overly broad in supressing errors

  #47551 opened Jan 21, 2022

87 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.

• Test user test inline. DO NOT MERGE.

  #44585 commented on Jan 28, 2022 • 256 new comments

• Add moduleDetection compiler flag to allow for changing how modules are parsed

  #47495 commented on Jan 25, 2022 • 14 new comments

• fix(45917): String literal completions missing when last argument of a call is followed by a comma

  #46970 commented on Jan 28, 2022 • 8 new comments

• Feature Request: "extends oneof" generic constraint; allows for narrowing type parameters

  #27808 commented on Jan 24, 2022 • 6 new comments

• feat(11378): Check @param names in JSDoc method documentation

  #47257 commented on Jan 28, 2022 • 6 new comments

• 💡 Yield Overrides

  #43632 commented on Jan 25, 2022 • 5 new comments

• Yield Overrides

  #47548 commented on Jan 25, 2022 • 5 new comments

• TSC watch / Out of memory errors with recursive template literal types

  #47419 commented on Jan 26, 2022 • 4 new comments

• Specify parameter index for diagnostic on spread function arguments

  #46405 commented on Jan 24, 2022 • 4 new comments

• Explore enabling type acquisition for web TS Server

  #45314 commented on Jan 25, 2022 • 3 new comments

• Including an argument in a function passed to a generic function breaks type inference

  #47547 commented on Jan 26, 2022 • 3 new comments

• Type guard by deep property

  #38839 commented on Jan 26, 2022 • 3 new comments

• Try making the apparent type of unknown be unknown

  #47517 commented on Jan 24, 2022 • 3 new comments

• [bug] Ternary + arrow function is not correctly parsed

  #16241 commented on Jan 21, 2022 • 2 new comments

• Object literal key completions not filtered by prior signature-discriminating argument

  #47549 commented on Jan 21, 2022 • 2 new comments

• Is there a way to use TypeScript to prevent accidental global access?

  #14306 commented on Jan 22, 2022 • 2 new comments

• Support max-line-length in organize imports

  #22991 commented on Jan 22, 2022 • 2 new comments

• Array.isArray type narrows to any[] for ReadonlyArray<T>

  #17002 commented on Jan 25, 2022 • 2 new comments

• Support for NodeJS 12.7+ package exports

  #33079 commented on Jan 25, 2022 • 2 new comments

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

  #33892 commented on Jan 27, 2022 • 2 new comments

• .every() .find() .filter() methods fail with "This expression is not callable." error on union of array types

  #44373 commented on Jan 27, 2022 • 2 new comments

• Automate release branch creation

  #36863 commented on Jan 27, 2022 • 2 new comments

• Allow binding generic functions to a given type

  #37181 commented on Jan 27, 2022 • 2 new comments

• TypeScript 4.6 Iteration Plan

  #46858 commented on Jan 27, 2022 • 2 new comments

• TypeScripts Type System is Turing Complete

  #14833 commented on Jan 21, 2022 • 1 new comment

• Force Override Declarations Types

  #36146 commented on Jan 21, 2022 • 1 new comment

• Circular reference error happens in jsdoc but not in typescript.

  #46369 commented on Jan 21, 2022 • 1 new comment

• TypeScript watcher treats present files as missing after hitting FSEvents watcher limit

  #47546 commented on Jan 22, 2022 • 1 new comment

• Unhelpful error message when `interface ... extends number`

  #46246 commented on Jan 22, 2022 • 1 new comment

• Order-dependent type display behavior in language service

  #47055 commented on Jan 22, 2022 • 1 new comment

• Better propagation of type predicate signatures

  #12798 commented on Jan 22, 2022 • 1 new comment

• Empty array in union with tuple doesn't infer undefined on indexed access

  #47531 commented on Jan 22, 2022 • 1 new comment

• Add a visibility mechanism similar to `friend` or `InternalsVisibleTo`

  #35554 commented on Jan 23, 2022 • 1 new comment

• Duplicate identifier errors when using @types inside a Windows junction

  #36294 commented on Jan 24, 2022 • 1 new comment

• Parameter decorators not checked as thoroughly as invocations.

  #43132 commented on Jan 24, 2022 • 1 new comment

• Error: Debug Failure. False expression. in 'doChange' during 'getCodeFixes'

  #32856 commented on Jan 24, 2022 • 1 new comment

• { [Symbol.toPrimitive]: () => Symbol }: support as index/property type

  #43428 commented on Jan 24, 2022 • 1 new comment

• Spread object into array breaking change in v4.2.3

  #43968 commented on Jan 24, 2022 • 1 new comment

• Add a Mutable type (opposite of Readonly) to lib.d.ts

  #24509 commented on Jan 24, 2022 • 1 new comment

• Better types for UrlSearchParams

  #43738 commented on Jan 24, 2022 • 1 new comment

• Easier destructuring with type annotations on binding patterns

  #29526 commented on Jan 25, 2022 • 1 new comment

• `ThisType` should use the `intrinsic` keyword

  #46836 commented on Jan 25, 2022 • 1 new comment

• Error when modules depend on each other

  #3200 commented on Jan 25, 2022 • 1 new comment

• Smarter error messages for JSX accidentally put outside a JSX expression

  #28943 commented on Jan 25, 2022 • 1 new comment

• Concerns with TypeScript 4.5's Node 12+ ESM Support

  #46452 commented on Jan 25, 2022 • 1 new comment

• T | (() => T)

  #37663 commented on Jan 25, 2022 • 1 new comment

• Stacktrace does not work on "spaced" filename

  #46307 commented on Jan 25, 2022 • 1 new comment

• Can't use Object.entries with ...- rest destructuring

  #46385 commented on Jan 25, 2022 • 1 new comment

• New Error: error TS2590: Expression produces a union type that is too complex to represent

  #45149 commented on Jan 25, 2022 • 1 new comment

• CLI --extend-tsconfig argument

  #37044 commented on Jan 25, 2022 • 1 new comment

• Improve type inference for circular references in object initializers

  #45213 commented on Jan 26, 2022 • 1 new comment

• Support multi-threaded compilation for --build

  #30235 commented on Jan 26, 2022 • 1 new comment

• Narrowing types by `typeof` inside `switch (true)` does not work

  #37178 commented on Jan 26, 2022 • 1 new comment

• No way to use composite project where outDir is determined by build tool

  #37378 commented on Jan 26, 2022 • 1 new comment

• Suggestion: an option to make --showConfig more verbose

  #33211 commented on Jan 26, 2022 • 1 new comment

• No path completions in `--module nodenext`

  #47011 commented on Jan 26, 2022 • 1 new comment

• Disable type checking for node_modules entirely

  #40426 commented on Jan 26, 2022 • 1 new comment

• Add typed return for Object.defineProperties

  #41424 commented on Jan 26, 2022 • 1 new comment

• Crazy checker.ts refactor experiment (25kloc)

  #17861 commented on Jan 26, 2022 • 1 new comment

• Skip typechecking; only emit (support `--transpileOnly` in `tsc`, re-open of #4176)

  #29651 commented on Jan 26, 2022 • 1 new comment

• Improve non-top-level import/export error, especially for JS

  #47076 commented on Jan 26, 2022 • 1 new comment

• TypeScript 4.0 causes unsolvable TS2611 error for properties inherited from a mixin

  #41347 commented on Jan 27, 2022 • 1 new comment

• Uninitialized variables work around strictNullChecks (follow-up to #13884)

  #23305 commented on Jan 27, 2022 • 1 new comment

• Ability to parametrize generic function type

  #44521 commented on Jan 27, 2022 • 1 new comment

• Ability to get generic type from typeof and infer

  #33185 commented on Jan 27, 2022 • 1 new comment

• Apply function generics as part of type definition

  #40542 commented on Jan 27, 2022 • 1 new comment

• Plugin Support for Custom Transformers

  #14419 commented on Jan 27, 2022 • 1 new comment

• Type guard should infer the type of parent object when applied on a property

  #42384 commented on Jan 27, 2022 • 1 new comment

• string enum member used as "computed enum member" types as number.

  #40862 commented on Jan 27, 2022 • 1 new comment

• isolatedModules doesn't respect enabled preserveConstEnum option what the project might be build with

  #37774 commented on Jan 27, 2022 • 1 new comment

• Asynchronous type guards and assertion signatures

  #37681 commented on Jan 28, 2022 • 1 new comment

• Enable Go to Implementation in Typescript Editors

  #6209 commented on Jan 28, 2022 • 1 new comment

• Proposal: Partial Type Argument Inference

  #26242 commented on Jan 28, 2022 • 1 new comment

• Allow to explicitly pass type parameters via JSDoc

  #27387 commented on Jan 28, 2022 • 1 new comment

• Lookup return type of factory function for JSX expression return types

  #29818 commented on Jan 23, 2022 • 1 new comment

• Add variadic tuple overload to Promise.all

  #39796 commented on Jan 25, 2022 • 1 new comment

• feat: support class.hasInstance proposal (Stage 1)

  #46578 commented on Jan 25, 2022 • 1 new comment

• Fix destructuring and narrowing interaction

  #47337 commented on Jan 28, 2022 • 1 new comment

• Polymorphic "this" for static members

  #5863 commented on Jan 27, 2022 • 0 new comments

• Relative auto-import path when dependency package.json "name" is not specified

  #47008 commented on Jan 27, 2022 • 0 new comments

• Enum string values do not work with switch cases for string literal union types

  #45654 commented on Jan 28, 2022 • 0 new comments

• 🤖 User test baselines have changed for refs/heads/master

  #43554 commented on Jan 28, 2022 • 0 new comments

• [WIP] [Experiment] feat(1534): Add "sealed" key word to mark some public/protected methods not be overriden

  #45021 commented on Jan 27, 2022 • 0 new comments

• support quickinfo and go-to-definition on `typeof this`

  #47085 commented on Jan 28, 2022 • 0 new comments

• feat(7411): JSX namespaced attribute syntax not supported

  #47356 commented on Jan 28, 2022 • 0 new comments

• fix(47256): @deprecated does not work on index signatures

  #47400 commented on Jan 27, 2022 • 0 new comments

• Avoid auto-importing from barrel re-exporting index files that are likely to make an import cycle

  #47516 commented on Jan 27, 2022 • 0 new comments