microsoft / TypeScript

8 Pull requests merged by 7 people

• fix(42099): Declaration emit from javascript doesn't respect optional properties in function parameters

  #42116 merged Dec 28, 2020

• Fix/jsx syntax quickinfo

  #42124 merged Dec 28, 2020

• fix(42034): Missing codefix with 'This may be converted to an async function' suggestion diagnostic

  #42123 merged Dec 28, 2020

• Stricter type for ES5 Intl, redefine ES2020 intl

  #42134 merged Dec 28, 2020

• Hierarchical refactorings

  #41975 merged Dec 23, 2020

• Avoid rewriting bare module specifiers on rename when fix is not verifiably correct

  #41959 merged Dec 22, 2020

• fix(41259) : JS autocomplete doesn't work for object literal shorthands

  #41539 merged Dec 22, 2020

• Update issue templates

  #42049 merged Dec 22, 2020

10 Pull requests opened by 7 people

• Feat/exclude completions of variable initializers

  #42087 opened Dec 23, 2020

• Add inline hints support

  #42089 opened Dec 23, 2020

• Do not suggest paths inside node_modules/.pnpm as module specifiers

  #42095 opened Dec 23, 2020

• fix(42019): Quick info on implementation is missing JSDoc tags from interface declaration

  #42098 opened Dec 24, 2020

• mark `[Symbol.asyncIterator]` and `[Symbol.iterator]` methods as used in iterations

  #42104 opened Dec 24, 2020

• remove duplicated type -- remove TriviaKind, keep TriviaSyntaxKind.

  #42108 opened Dec 25, 2020

• fix(42088): Cannot read property '0' of undefined

  #42110 opened Dec 25, 2020

• Constraint 'SyntaxKind' to 'TokenSyntaxKind' for generic "TKind" in Token<TKind>

  #42111 opened Dec 25, 2020

• Feat/quick fix for types

  #42126 opened Dec 27, 2020

• Add Fourslash test for code fix import ExportEqual classnames

  #42141 opened Dec 28, 2020

37 Issues closed by 15 people

• Can't discriminate based on fixed size array / Tuple length

  #42139 closed Dec 29, 2020

• Class constructor improperly inherits types

  #42129 closed Dec 29, 2020

• typescriptlang.org Playground not respecting settings for noUnusedLocals and noUnusedParameters

  #42140 closed Dec 28, 2020

• Declaration emit from javascript doesn't respect optional properties in function parameters

  #42099 closed Dec 28, 2020

• Default jsconfig target

  #42113 closed Dec 28, 2020

• Generic defaults doesn't enforce typechecks for function arguments without the default value inheritance

  #42097 closed Dec 28, 2020

• IntelliSense tips not work appropriately with JSX syntax

  #41997 closed Dec 28, 2020

• Missing codefix with 'This may be converted to an async function' suggestion diagnostic

  #42034 closed Dec 28, 2020

• lib.es2020.intl.d.ts conflicts with lib.es5.d.ts

  #42128 closed Dec 28, 2020

• New Website Logo: [insert name]

  #42130 closed Dec 28, 2020

• Key remapping breaks tuple support for mapped types

  #42122 closed Dec 27, 2020

• Reflect.getMetadata return undefined after transform ts to js

  #42117 closed Dec 27, 2020

• Conditionally filter types from tuples at transpilation time.

  #38044 closed Dec 27, 2020

• Provide a way to express the relation between generic type parameters in union

  #42015 closed Dec 27, 2020

• Default generic values are lost when InstanceType used to infer return type of a constructor

  #42064 closed Dec 26, 2020

• `Record<string, any>` or `object` is not compatible with object like types when appears as an argument of an arrow function

  #42096 closed Dec 26, 2020

• False warnings for code when unreachable code

  #42092 closed Dec 26, 2020

• TS produce different result while handling function overloads

  #42072 closed Dec 25, 2020

• Multiple generic constraints with defaults falsely generating TS2344 error

  #42081 closed Dec 25, 2020

• ORed function types are merging to ANDed parameters while calling the function

  #42083 closed Dec 25, 2020

• Object prototype functions are missing in JS code completions

  #42086 closed Dec 25, 2020

• @Jameskmonger if `T extends string | number` then `T` can be `string | number` which means one value of type `T` can be `string` a different value of type `T` can be a `number`.

  #42109 closed Dec 25, 2020

• TS allows to assign function with non-optional param to function with optional param and does not report error when invoking non-optional function with undefined param

  #42062 closed Dec 24, 2020

• Not allow base generic class type as interface index signature with an extending class as member type

  #42035 closed Dec 24, 2020

• Discriminated Union only auto resolve when it's basic props, not within callback

  #42023 closed Dec 23, 2020

• TSServer: Refactor trigger reason

  #35096 closed Dec 23, 2020

• no error when comparing typeof to undefined or null

  #42090 closed Dec 23, 2020

• [NewErrors] 4.2.0-dev.20201220 vs 4.1.3

  #42058 closed Dec 23, 2020

• Unreachable 'for' clause doesn't correctly narrow

  #11821 closed Dec 23, 2020

• Nested unions (and intersections) are eagerly flattened

  #42075 closed Dec 23, 2020

• Rename in destructured object expression changes property name in source object

  #42082 closed Dec 23, 2020

• /* @jsxImportSource foo */ comment works only sometimes.

  #41985 closed Dec 23, 2020

• Feed Type Inference into Anonymous Function Declaration

  #41998 closed Dec 22, 2020

• Intellisence Import Update Feature creates erroneous updates when used with a compilerOptions.paths

  #40560 closed Dec 22, 2020

• JS autocomplete doesn't work for object literal shorthands

  #41259 closed Dec 22, 2020

• False positive on undefined object

  #42078 closed Dec 22, 2020

• Symbol as index type fails in checkJs mode

  #41996 closed Dec 22, 2020

34 Issues opened by 31 people

• Weak generic constraint check

  #42145 opened Dec 29, 2020

• type parameters in generic constraints , not assign the type I reference

  #42144 opened Dec 29, 2020

• Variable is defined still I am getting TS2454 Error

  #42143 opened Dec 29, 2020

• TypedPropertyDescriptor<T> doesn't allow decorators that support methods and getters

  #42142 opened Dec 28, 2020

• Feature request: narrow broad function types

  #42138 opened Dec 28, 2020

• Wrong nodejs import path when generating declaration

  #42137 opened Dec 28, 2020

• Error in 'Session.getApplicableRefactors' during 'getApplicableRefactors'

  #42136 opened Dec 28, 2020

• for ... in over mapped types has inconsistent behaviour

  #42135 opened Dec 28, 2020

• undefined[] converted to any[] in js

  #42133 opened Dec 28, 2020

• Unable to use custom .d.ts types in files which are excluded from tsconfig

  #42132 opened Dec 28, 2020

• [NewErrors] 4.2.0-dev.20201227 vs 4.1.3

  #42127 opened Dec 27, 2020

• The type of bitwise operations on 'any' operands should be 'number | bigint'

  #42125 opened Dec 27, 2020

• Custom Typescript version for Yarn PNP Support - Visual Studio 2019

  #42121 opened Dec 27, 2020

• Optional chaining control flow cannot narrow discriminated unions.

  #42120 opened Dec 27, 2020

• Mixing Iterable destruction with plain args when calling function

  #42119 opened Dec 26, 2020

• Expose internal TypeChecker.getTypePredicateOfSignature API

  #42118 opened Dec 26, 2020

• Array is not assignable to array of string literal type in overwritten class method

  #42115 opened Dec 25, 2020

• Globals can shadow locals

  #42114 opened Dec 25, 2020

• tsconfig.json is not loaded properly when definitions in 'typescript' package is imported explicitly

  #42112 opened Dec 25, 2020

• Weak callback parameters length check in js

  #42107 opened Dec 25, 2020

• Error while appending additional elements or extending an existing named tuple.

  #42106 opened Dec 25, 2020

• rename symbol support on vue <script>

  #42105 opened Dec 24, 2020

• readonly modifier on symbol properties causes wrong declarations instead of compilation error

  #42103 opened Dec 24, 2020

• The order of union types obtained by keyof will change

  #42102 opened Dec 24, 2020

• Type guard does not work correctly with empty string type

  #42101 opened Dec 24, 2020

• return dynamic multiple class with ts and jsdoc “ts implicitly has return type 'any'”

  #42100 opened Dec 24, 2020

• AutoImportProvider doesn’t work with pnpm unless there are project references

  #42094 opened Dec 23, 2020

• Show error when JSDoc tags use unknown Symbols

  #42093 opened Dec 23, 2020

• Expose semantic token command type

  #42091 opened Dec 23, 2020

• test262 : Cannot read property '0' of undefined

  #42088 opened Dec 23, 2020

• type checker does not recognize MyType reassembled from MyType["foo"] when MyType is a union

  #42085 opened Dec 23, 2020

• Language server: Recursively auto-complete default object instance.

  #42084 opened Dec 22, 2020

• Type of reverse enum lookup is string | undefined with noUncheckedIndexedAccess enabled

  #42080 opened Dec 22, 2020

• Syntax error in emitted declaration's generic arguments

  #42079 opened Dec 22, 2020

93 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.

• feat: exclude declared variable when Object literal completions

  #42056 commented on Dec 23, 2020 • 9 new comments

• Missing auto import suggestions for UMD modules such as `classnames`

  #41761 commented on Dec 29, 2020 • 7 new comments

• 'in' should not operate on primitive types

  #41928 commented on Dec 28, 2020 • 5 new comments

• feat(14248): add returns tag to JSDoc template

  #42068 commented on Dec 23, 2020 • 5 new comments

• Optional chaining of unknown should be unknown

  #37700 commented on Dec 24, 2020 • 4 new comments

• Polymorphic "this" for static members

  #5863 commented on Dec 29, 2020 • 4 new comments

• Type narrowing fails to remove undefined/null with ?. and ??

  #42074 commented on Dec 22, 2020 • 3 new comments

• Can't destruct a Partial<T> into T that uses default values

  #42053 commented on Dec 23, 2020 • 2 new comments

• Generic type param not narrowed in true branch of conditional type

  #42077 commented on Dec 24, 2020 • 2 new comments

• Allow tsconfig.yaml in addition to tsconfig.json

  #40027 commented on Dec 24, 2020 • 2 new comments

• Allow a module to implement an interface

  #420 commented on Dec 26, 2020 • 2 new comments

• Infer type guard => array.filter(x => !!x) should refine Array<T|null> to Array<T>

  #16069 commented on Dec 27, 2020 • 2 new comments

• Wishlist: support for correlated record types

  #30581 commented on Dec 27, 2020 • 2 new comments

• index signature is missing when do object destructuring to separate variable

  #42021 commented on Dec 29, 2020 • 2 new comments

• Allow any key type as an index signature parameter type

  #26797 commented on Dec 22, 2020 • 2 new comments

• Request: Class Decorator Mutation

  #4881 commented on Dec 22, 2020 • 1 new comment

• es2017.d.ts still included for a project configured to only use `lib: ["es5"]`

  #41999 commented on Dec 22, 2020 • 1 new comment

• Allow JSX intrinsics to have generic call signatures

  #42010 commented on Dec 22, 2020 • 1 new comment

• tsc 2344 emitted when using Parameters, despite resolving the argument type.

  #42018 commented on Dec 22, 2020 • 1 new comment

• Type instantiation is excessively deep and possibly infinite in version 4.1

  #41406 commented on Dec 23, 2020 • 1 new comment

• Generics extending unions cannot be narrowed

  #13995 commented on Dec 23, 2020 • 1 new comment

• [Feature Request] Future-proof always-aliasing/never-expanding of mapped/intersection/union/etc. types

  #35654 commented on Dec 23, 2020 • 1 new comment

• TypeScript error “TS2354: This syntax requires an imported helper but module 'tslib' cannot be found”

  #37991 commented on Dec 23, 2020 • 1 new comment

• Support `.mjs` output

  #18442 commented on Dec 23, 2020 • 1 new comment

• new Map() infers type only from the first item in the iterable

  #37527 commented on Dec 23, 2020 • 1 new comment

• 'default' is referenced directly or indirectly in its own type annotation

  #42061 commented on Dec 23, 2020 • 1 new comment

• Typescript: TSServer: Code Fixes: Import missing imports with a symlinked node_modules folder is very slow

  #40584 commented on Dec 23, 2020 • 1 new comment

• Expose TypeScript-specific globbing behavior

  #34545 commented on Dec 23, 2020 • 1 new comment

• Service Worker typings

  #11781 commented on Dec 23, 2020 • 1 new comment

• TS 2535 when using const enum values derived from other const enum values

  #35875 commented on Dec 24, 2020 • 1 new comment

• Allow classes to be parametric in other parametric classes

  #1213 commented on Dec 24, 2020 • 1 new comment

• Better intellisense for unions of tuple types

  #38603 commented on Dec 25, 2020 • 1 new comment

• Please enable CodeLens for TypeScript files

  #189 commented on Dec 25, 2020 • 1 new comment

• Support `@abstract` JSDoc tag

  #17227 commented on Dec 25, 2020 • 1 new comment

• navigator.mediaDevices should have getDisplayMedia

  #33232 commented on Dec 26, 2020 • 1 new comment

• No spelling suggestion/quick fix for types

  #40314 commented on Dec 26, 2020 • 1 new comment

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

  #29651 commented on Dec 26, 2020 • 1 new comment

• Declare all missing members quick fix

  #28491 commented on Dec 26, 2020 • 1 new comment

• Invalid "could be instantiated with a different subtype of constraint" error

  #35858 commented on Dec 26, 2020 • 1 new comment

• Object.defineProperty doesn't define properties on 'this'

  #28694 commented on Dec 26, 2020 • 1 new comment

• Type refinment with optional chaining

  #40397 commented on Dec 26, 2020 • 1 new comment

• [Feature] Utility type for T[keyof T] or new keyword valueof

  #37642 commented on Dec 28, 2020 • 1 new comment

• suggestion: explicit "tuple" syntax

  #16656 commented on Dec 28, 2020 • 1 new comment

• Preserve tuples when mapping with `as` clauses

  #40586 commented on Dec 28, 2020 • 1 new comment

• TypeError: Cannot read property 'kind' of undefined in 'Object.isImportClause' during 'getCodeFixes'

  #33726 commented on Dec 28, 2020 • 1 new comment

• TypeError: Cannot read property 'name' of undefined in 'chooseBetterSymbol' during 'signatureHelp'

  #33314 commented on Dec 28, 2020 • 1 new comment

• Error in '<anonymous>' during 'completionInfo'

  #40331 commented on Dec 28, 2020 • 1 new comment

• decorators in object literals not working

  #5770 commented on Dec 28, 2020 • 1 new comment

• Support inline hints

  #42073 commented on Dec 28, 2020 • 1 new comment

• Improve "suggestions show path" for "node_modules"

  #42005 commented on Dec 28, 2020 • 1 new comment

• [P in keyof T]: T[P] not accepting inferred base type via extends

  #37670 commented on Dec 28, 2020 • 1 new comment

• Suggestion: Noninferential type parameter usage

  #14829 commented on Dec 29, 2020 • 1 new comment

• Allow indexing with symbols

  #1863 commented on Dec 29, 2020 • 1 new comment

• Tooltips / IntelliSense: Don't resolve type aliases (aka "semantic sugar") set explicitly

  #31940 commented on Dec 29, 2020 • 1 new comment

• Emit AND instead of ternary for optional chains in expression statements

  #38878 commented on Dec 24, 2020 • 1 new comment

• fix: host.isKnownTypesPackageName maybe undefined

  #42050 commented on Dec 28, 2020 • 1 new comment

• The current type in the union types of Promise.allSettled aren't narrowed down properly

  #42012 commented on Dec 22, 2020 • 0 new comments

• Code Completions for Object's keys behave differently in different declaration scenarios

  #42071 commented on Dec 23, 2020 • 0 new comments

• Array method definition revamp: Use case collection

  #36554 commented on Dec 23, 2020 • 0 new comments

• Provide a way to type a fix-length tuple-like generator/iterator

  #42033 commented on Dec 23, 2020 • 0 new comments

• [ Feature Request ] - FileSystem<T>

  #42046 commented on Dec 23, 2020 • 0 new comments

• Private `[Symbol.asyncIterator]` and `[Symbol.iterator]` methods incorrectly reported as unused

  #42051 commented on Dec 23, 2020 • 0 new comments

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

  #42048 commented on Dec 23, 2020 • 0 new comments

• Improve error message for class declared with Symbol prop - "is declared here"

  #42059 commented on Dec 23, 2020 • 0 new comments

• Async generator typing

  #42055 commented on Dec 23, 2020 • 0 new comments

• Autocomplete Filepath Strings.

  #42054 commented on Dec 23, 2020 • 0 new comments

• Create a new type after deleting a property from object

  #42069 commented on Dec 23, 2020 • 0 new comments

• Type information lost when passed as object key

  #42076 commented on Dec 23, 2020 • 0 new comments

• Nested array/object types 6+ deep can break typechecking for smaller nested types across the entire file

  #42070 commented on Dec 23, 2020 • 0 new comments

• Template type lost in js

  #42060 commented on Dec 24, 2020 • 0 new comments

• Quick info on implementation is missing JSDoc tags from interface declaration

  #42019 commented on Dec 24, 2020 • 0 new comments

• Infer interdependencies in object literals

  #41396 commented on Dec 28, 2020 • 0 new comments

• URLSearchParams API should accept numbers for values

  #32951 commented on Dec 28, 2020 • 0 new comments

• Constructor generic types and `this` parameter (TS1092, TS2681)

  #40451 commented on Dec 28, 2020 • 0 new comments

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

  #33471 commented on Dec 29, 2020 • 0 new comments

• Using object destructuring with ECMAScript's private field as computed property name leads to runtime error

  #37791 commented on Dec 29, 2020 • 0 new comments

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

  #39114 commented on Dec 29, 2020 • 0 new comments

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

  #39650 commented on Dec 29, 2020 • 0 new comments

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

  #39681 commented on Dec 29, 2020 • 0 new comments

• 'this' autocomplete broken

  #39946 commented on Dec 29, 2020 • 0 new comments

• Unexpected behavior (possible bug)

  #39970 commented on Dec 29, 2020 • 0 new comments

• error when a variable is both read as a parameter and written as a result of a function call in an async do while loop

  #40096 commented on Dec 29, 2020 • 0 new comments

• Array#map() is not callable on type-guarded array

  #40463 commented on Dec 29, 2020 • 0 new comments

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

  #41007 commented on Dec 29, 2020 • 0 new comments

• Compile error if I named last array destructuring element.

  #41548 commented on Dec 29, 2020 • 0 new comments

• instanceof Promise in ternary does not narrow Promiselike in 4.1

  #41606 commented on Dec 29, 2020 • 0 new comments

• TS4.1.2 Regression: Incorrect arity inferred on function returned by util.callbackify if input function has optional or default argument

  #41607 commented on Dec 29, 2020 • 0 new comments

• TS 4.1 regression in type assertion of generic mapped type

  #41617 commented on Dec 29, 2020 • 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 Dec 29, 2020 • 0 new comments

• Issue with Array.isArray typeguard after upgrading from 4.1.2 to 4.1.3

  #41984 commented on Dec 29, 2020 • 0 new comments

• Add target: ES2021

  #41239 commented on Dec 25, 2020 • 0 new comments

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

  #41496 commented on Dec 29, 2020 • 0 new comments

• Less verbose transform of nullish coalescing and optional chaining

  #42044 commented on Dec 24, 2020 • 0 new comments