microsoft / TypeScript

26 Pull requests merged by 14 people

• Simplify expression type to fix build break

  #41942 merged Dec 12, 2020

• Template literal types for template literal expressions

  #41891 merged Dec 12, 2020

• Make findAllReferences work on triple-slash reference paths that resolve to scripts

  #41936 merged Dec 11, 2020

• Find references of a module by filename

  #41805 merged Dec 11, 2020

• fix(37539): Parameter not renamed in JSDoc if it's inside non-prototype-based JS class

  #41364 merged Dec 11, 2020

• Watch extended configs if present

  #41493 merged Dec 11, 2020

• Detect comparisons between large unions or intersections

  #41574 merged Dec 10, 2020

• Elide export assignment when it does not resolve to a value

  #41904 merged Dec 10, 2020

• Properly cache types for shared control flow nodes (4.1 cherry-pick)

  #41906 merged Dec 10, 2020

• LEGO: Pull request from lego/hb_998_20201210001056807 to master

  #41908 merged Dec 10, 2020

• 🤖 Pick PR #41758 (addImplementationSuccessElaboration...) into release-4.1

  #41862 merged Dec 9, 2020

• fix(41845): Outdated diagnosticMessages for JSX flag

  #41873 merged Dec 9, 2020

• LEGO: Pull request from lego/hb_998_20201209181037825 to master

  #41900 merged Dec 9, 2020

• LEGO: Pull request from lego/hb_998_20201209061037776 to master

  #41892 merged Dec 9, 2020

• LEGO: Pull request from lego/hb_998_20201209001042584 to master

  #41884 merged Dec 9, 2020

• Keep track of why files are in the program

  #40011 merged Dec 9, 2020

• Adds experimental support for running TS Server in a web worker

  #39656 merged Dec 9, 2020

• Loosen author tag parsing

  #41820 merged Dec 8, 2020

• Reuse input nodes where possible when serializing jsdoc implements clauses

  #41783 merged Dec 8, 2020

• LEGO: Pull request from lego/hb_998_20201208181040773 to master

  #41878 merged Dec 8, 2020

• Preserve substitution types in check position of conditional types

  #41841 merged Dec 8, 2020

• fix(41827): Infer parameter from usage doesn't work on interface parameters

  #41836 merged Dec 7, 2020

• [master] Undo #39258 (isArray changes) - see overview at #41808

  #41851 merged Dec 7, 2020

• [release-4.1] Undo #39258 (isArray changes) - see overview at #41808

  #41849 merged Dec 7, 2020

• Handle output file names descripency between tsc --b and actual program emit file path calculation

  #41811 merged Dec 7, 2020

• import statement from "node" in js source file could produce correct declaration path.

  #41816 merged Dec 7, 2020

16 Pull requests opened by 11 people

• fix(41822): Missing isJSDocSeeTag in TypeScript 4.1

  #41835 opened Dec 6, 2020

• fix(41818): Detached JSDoc class docstring using @extends crashes tsc

  #41858 opened Dec 7, 2020

• Look for package.json main fields as part of `paths` module specifier resolution

  #41864 opened Dec 7, 2020

• fix(41868): Infer parameter from usage does not work on arrow functions that are a PropertyDeclaration of a Class

  #41869 opened Dec 8, 2020

• Editor support for link tag

  #41877 opened Dec 8, 2020

• fix(40806): Add missing options and possible values of DateTimeFormat

  #41880 opened Dec 8, 2020

• Fix #41800 correctly.

  #41895 opened Dec 9, 2020

• Generalize the fastpath for comparisons of unions which are correspondences

  #41903 opened Dec 9, 2020

• Ensure factory symbol remains unused in react-jsx mode when not referenced in user code

  #41905 opened Dec 9, 2020

• Make optional properties assignable to string index signatures

  #41921 opened Dec 10, 2020

• Add text-based fastpaths into LS token matching

  #41924 opened Dec 10, 2020

• Fix organize imports inserting extra blank lines

  #41927 opened Dec 11, 2020

• 'in' should not operate on primitive types

  #41928 opened Dec 11, 2020

• fix: const enums + isolatedModules emit invalid code

  #41933 opened Dec 11, 2020

• [Experiment] Use hash of source file text as version for the source file in tsserver

  #41938 opened Dec 12, 2020

• fix(41867): Deprecated strikethrough shows up incorrectly on auto-import with overloads

  #41941 opened Dec 12, 2020

65 Issues closed by 27 people

• Node.parentElement should be Element, not HTMLElement

  #4689 closed Dec 12, 2020

• ResizeObserver API declarations missing

  #37861 closed Dec 12, 2020

• Try to preserve template-ness of string literal types where possible

  #41631 closed Dec 12, 2020

• tsconfig picks all sibling files of the file specified in the “include” option

  #41856 closed Dec 12, 2020

• [tsserver] api to find references to a file

  #39489 closed Dec 11, 2020

• Cannot use keyof to index an indexed object type if its extended

  #41910 closed Dec 11, 2020

• `skipLibCheck: true` is ignored when package's `types` field points to a `.ts` file (not a `.d.ts` declaration file)

  #41883 closed Dec 11, 2020

• Auto import suggest to offer the sub module instead of whole module

  #41888 closed Dec 11, 2020

• Support PointerEvent.prototype.getCoalescedEvents

  #37990 closed Dec 11, 2020

• lib.dom.d.ts window interfaces missing "gamepadconnected" and "gamepaddisconnected"

  #39425 closed Dec 11, 2020

• import.meta.url is not supported in module : es2020

  #41722 closed Dec 11, 2020

• Add @deprecated reasons in lib.dom.d.ts

  #39514 closed Dec 11, 2020

• isArray type guard regression

  #41889 closed Dec 11, 2020

• Type checking generic middleware

  #41930 closed Dec 11, 2020

• Assume that array lookup can return undefined inside conditional expressions

  #41872 closed Dec 11, 2020

• Parameter not renamed in JSDoc if it's inside non-prototype-based JS class

  #37539 closed Dec 11, 2020

• Out of memory when spreading large number of (somethings?) into object literal

  #41203 closed Dec 11, 2020

• type `${number}` cannot be used to index numeric index signature

  #41893 closed Dec 11, 2020

• Apart from watching config file for the project updates, we probably should also watch extended config file

  #17753 closed Dec 11, 2020

• Slow compilation issues (40-50s) - --skipLibCheck not working

  #41517 closed Dec 10, 2020

• [JS] Make "Go to implementations" go to the implementation (.js) instead of type definitions file (.d.ts)

  #41179 closed Dec 10, 2020

• Type import statement not erased when exported as default

  #40420 closed Dec 10, 2020

• Incorrect narrowing when a type guard returns a type union

  #41871 closed Dec 10, 2020

• More concise way to specify an optional return type

  #41902 closed Dec 10, 2020

• Optional local variables

  #41901 closed Dec 10, 2020

• Typesafe Errorhandling (similar to rust-error-handling)

  #41917 closed Dec 10, 2020

• "K extends never" doesn't give the expected type when K is never

  #41911 closed Dec 10, 2020

• styled-components broken by #41841

  #41886 closed Dec 9, 2020

• Outdated diagnosticMessages for JSX flag

  #41845 closed Dec 9, 2020

• wrong indent after formatting

  #8644 closed Dec 9, 2020

• spreading class results in type with `prototype` key, which is not present in runtime object

  #41842 closed Dec 9, 2020

• Return types of arrow functions allow additional properties.

  #41850 closed Dec 9, 2020

• How to judge the function type according to the parameter type

  #41890 closed Dec 9, 2020

• tsc removes comments at the end of lines whose code ends with a comma

  #41885 closed Dec 9, 2020

• Keep track of why files are in the program

  #33515 closed Dec 9, 2020

• Filter object keys based on type

  #41817 closed Dec 9, 2020

• `@author` tag is too strict

  #41804 closed Dec 8, 2020

• Generated .d.ts files from JS project are invalid

  #41258 closed Dec 8, 2020

• Suport single file compilation with --project tsconfig.json

  #41865 closed Dec 8, 2020

• TypeScript constructor public cause duplicate bug

  #41876 closed Dec 8, 2020

• Guard variable with conjunctions does not narrow the conjoined operands

  #41870 closed Dec 8, 2020

• Recursive conditional type throws maximum call stack size exceeded

  #41756 closed Dec 8, 2020

• Type inference in switches over expressions pointing to nested properties does not work

  #41830 closed Dec 7, 2020

• Type-only imports in d.ts files

  #41844 closed Dec 7, 2020

• Infer parameter from usage doesn't work on interface parameters

  #41827 closed Dec 7, 2020

• Values of array passed as parameter can't be used to infer the return type

  #41859 closed Dec 7, 2020

• Weird behavior with generics in generic tuple types

  #41857 closed Dec 7, 2020

• getOutputFileNames is returning incorrect path

  #41780 closed Dec 7, 2020

• "source.organizeImports" shouldn't remove my unused imports

  #36085 closed Dec 7, 2020

• [NewErrors] 4.2.0-dev.20201206 vs 4.1.2

  #41843 closed Dec 7, 2020

• TypeScript Language Service plugins should be searched relative to tsconfig.json

  #41828 closed Dec 7, 2020

• Template Literal Type - Does not evaluate interpolated template strings against type definition

  #41732 closed Dec 7, 2020

• Infer union type of the instance after function call

  #41832 closed Dec 7, 2020

• Generated declaration for a JavaScript file refers to non-existing module

  #41800 closed Dec 7, 2020

• Using CompletionEntry for strings when name and insertText differ?

  #41679 closed Dec 7, 2020

• does not have any construct or call signatures

  #41847 closed Dec 7, 2020

• Intersection with mapped type broken in function with generic in 4.1.2

  #41655 closed Dec 6, 2020

• variadic tuple types broken since 4.1.2 (same error as in 3.x.x)

  #41701 closed Dec 6, 2020

• @readonly not causing error in JSDoc code

  #41705 closed Dec 6, 2020

• Overloads error for lambdas that take lambdas with varying params

  #41840 closed Dec 6, 2020

• tsc --build takes wrong assumption on project rootDir

  #41801 closed Dec 6, 2020

• No error when the return value of the function is an object

  #41834 closed Dec 6, 2020

• Group noImplicit family options same as strict in tsconfig.json

  #41839 closed Dec 6, 2020

• Can't assign unknown to unknown generic

  #41838 closed Dec 6, 2020

• Can't assign to conditional generic within generic

  #41837 closed Dec 6, 2020

45 Issues opened by 38 people

• Two or more names for union argument

  #41943 opened Dec 12, 2020

• Can not get property type in decorator

  #41940 opened Dec 12, 2020

• setLocalDescription requires the description argument when it should not.

  #41939 opened Dec 12, 2020

• Side-effects-only import won't check module existence when compile

  #41937 opened Dec 12, 2020

• Incorrect error message when referencing non-existent type

  #41935 opened Dec 11, 2020

• Exported variable ... has or is using name ... from external module ... but cannot be named

  #41934 opened Dec 11, 2020

• Unexpected assignable type on Partialed type

  #41932 opened Dec 11, 2020

• Typescript 4.1+: Nested template type deduction error

  #41931 opened Dec 11, 2020

• Interface allow to call method with mandatory argument

  #41929 opened Dec 11, 2020

• Compiler not automatically inferring not null of Object

  #41926 opened Dec 10, 2020

• TypeScript Server Error: "Debug Failure. False expression: Token end is child end"

  #41925 opened Dec 10, 2020

• String literal rename doesn't work in switch/case statment

  #41923 opened Dec 10, 2020

• String literal rename doesn't work with template literals

  #41922 opened Dec 10, 2020

• TypeScript error in [internal](undefined,undefined):

  #41919 opened Dec 10, 2020

• Strange error: string is not a string type

  #41918 opened Dec 10, 2020

• Bug: react-jsxdev support for `add all missing imports`

  #41920 opened Dec 10, 2020

• exports.__esModule should be emitted in declaration file

  #41916 opened Dec 10, 2020

• hasOwnProperty return type

  #41915 opened Dec 10, 2020

• Code invalid when [jsx=react-jsx] and [module=system]

  #41914 opened Dec 10, 2020

• concat arrays

  #41913 opened Dec 10, 2020

• Template literals as keys in object literals loosing type information

  #41912 opened Dec 10, 2020

• Cache importFixes/fixMissingImport in getCodeFixes requests

  #41909 opened Dec 10, 2020

• Design Meeting Notes, 12/9/2020

  #41907 opened Dec 10, 2020

• Call class function with generic arguments inside class gives error 2345

  #41899 opened Dec 9, 2020

• `esModuleInterop: true` cause runtime error

  #41898 opened Dec 9, 2020

• Incorrect quick info when variable and exported interface have the same name

  #41897 opened Dec 9, 2020

• expose API for --explainFiles

  #41896 opened Dec 9, 2020

• Template literal types as index signatures

  #41894 opened Dec 9, 2020

• Error [ERR_MODULE_NOT_FOUND] when using tsc

  #41887 opened Dec 9, 2020

• Missing "'React' is declared but its value is never read" error when using tsconfig.json jsx setting with react-jsx value

  #41882 opened Dec 8, 2020

• JSDoc type tag doesn't handle narrowing of Functions

  #41881 opened Dec 8, 2020

• React props' generic not correctly inferred

  #41879 opened Dec 8, 2020

• Compiler API: expose path of output files without emitting

  #41875 opened Dec 8, 2020

• Intersection of arrays

  #41874 opened Dec 8, 2020

• Infer parameter from usage does not work on arrow functions that are a PropertyDeclaration of a Class

  #41868 opened Dec 8, 2020

• Please take the repo experience survey!

  #41866 opened Dec 7, 2020

• Array spread results in incorrect type of array item properties of enum member type

  #41863 opened Dec 7, 2020

• Go-to-definition doesn't work when a file exists but is not a module

  #41861 opened Dec 7, 2020

• Richer Diagnostic Display Meta-Issue

  #41860 opened Dec 7, 2020

• Error in 'rangeContainsSkipTrivia' during 'getApplicableRefactors'

  #41855 opened Dec 7, 2020

• Error in 'getFixesInfoForNonUMDImport' during 'getCodeFixes'

  #41854 opened Dec 7, 2020

• Error in 'getModuleSpecifierExpression' during 'completionEntryDetails'

  #41853 opened Dec 7, 2020

• Error in 'getInfo' during 'getCodeFixes'

  #41852 opened Dec 7, 2020

• filter noUncheckedIndexedAccess with own property check

  #41848 opened Dec 7, 2020

• Provide a way to clone a ast tree includes it's all children

  #41846 opened Dec 7, 2020

335 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.

• Leading and middle rest elements in tuple types

  #41544 commented on Dec 8, 2020 • 11 new comments

• Error: no interface JSX.IntrinsicElements exists, although I've defined it

  #41813 commented on Dec 7, 2020 • 7 new comments

• TypeScript 4.2 Iteration Plan

  #41601 commented on Dec 11, 2020 • 6 new comments

• Allow any key type as an index signature parameter type

  #26797 commented on Dec 8, 2020 • 6 new comments

• Deprecated strikethrough shows up incorrectly on auto-import with overloads

  #41867 commented on Dec 10, 2020 • 5 new comments

• Abstract classes that implement interfaces shouldn't require method signatures

  #22815 commented on Dec 7, 2020 • 4 new comments

• "Extract to function": rename doesn't always works

  #41751 commented on Dec 8, 2020 • 4 new comments

• Provide full import statement text from auto-import suggestions

  #31658 commented on Dec 9, 2020 • 4 new comments

• TSC fails to locate .d.ts files when using "paths" remapping + ".js" extension

  #41642 commented on Dec 10, 2020 • 4 new comments

• 'in' should not operate on primitive types

  #41317 commented on Dec 11, 2020 • 4 new comments

• Go to definition broken by existance of tsconfig.json in JavaScript project.

  #40978 commented on Dec 11, 2020 • 4 new comments

• Under jsx: preserve, actually preserve expressions which contain only comments

  #41757 commented on Dec 8, 2020 • 4 new comments

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

  #40584 commented on Dec 10, 2020 • 3 new comments

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

  #16069 commented on Dec 11, 2020 • 3 new comments

• `static abstract` methods and properties

  #34516 commented on Dec 11, 2020 • 3 new comments

• Make cross-file go-to-definition work in the syntax-only server

  #39037 commented on Dec 12, 2020 • 3 new comments

• Add support for Pipeline Operator

  #38305 commented on Dec 11, 2020 • 3 new comments

• Need way to express hybrid types that are indexable for a subset of properties

  #17867 commented on Dec 7, 2020 • 2 new comments

• error TS2688: Cannot find type definition file for...random paths.

  #27956 commented on Dec 8, 2020 • 2 new comments

• TypeError: Cannot read property 'declarations' of undefined

  #41823 commented on Dec 8, 2020 • 2 new comments

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

  #28694 commented on Dec 8, 2020 • 2 new comments

• Request: Class Decorator Mutation

  #4881 commented on Dec 9, 2020 • 2 new comments

• Incorrect output for #private with nested class in ESNext

  #41788 commented on Dec 9, 2020 • 2 new comments

• Cannot read property 'length' of undefined in v4 version

  #41717 commented on Dec 9, 2020 • 2 new comments

• TypeScript 4.1 Iteration Plan

  #40124 commented on Dec 10, 2020 • 2 new comments

• Incorrect type for `ClassDecorator`

  #29828 commented on Dec 10, 2020 • 2 new comments

• Preserve Indentation of Closing > in Multiline Type List

  #15782 commented on Dec 11, 2020 • 2 new comments

• Destructuring array into an object is assignable to an array type

  #34780 commented on Dec 11, 2020 • 2 new comments

• Allow tsconfig.json when input files are specified

  #27379 commented on Dec 11, 2020 • 2 new comments

• Parameter decorators in setter is a valid syntax ?

  #41354 commented on Dec 12, 2020 • 2 new comments

• Negated types

  #29317 commented on Dec 7, 2020 • 2 new comments

• Native support for PnP

  #35206 commented on Dec 10, 2020 • 2 new comments

• fix(41420): Parser allows optional chain in a type-location - `class ... implements` and `interface ... extends`

  #41481 commented on Dec 10, 2020 • 2 new comments

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

  #41539 commented on Dec 7, 2020 • 2 new comments

• `T` should be assignable to `A extends B ? C : D` if it is assignable to both `C` and `D`

  #26933 commented on Dec 6, 2020 • 1 new comment

• Add type definitions for Files And Directories API

  #29548 commented on Dec 6, 2020 • 1 new comment

• Bundling typescript using webpack: the request of a dependency is an expression (+possible fix)

  #39436 commented on Dec 6, 2020 • 1 new comment

• Generic type sometimes returns never instead of actual template parameter type

  #41778 commented on Dec 7, 2020 • 1 new comment

• Cannot find type definition file for ambient declaration module

  #34749 commented on Dec 7, 2020 • 1 new comment

• Error in 'getValidSourceFile' during 'quickinfo'

  #39873 commented on Dec 7, 2020 • 1 new comment

• Error: Debug Failure. False expression. in 'NodeTypingsInstaller.installPackage' during 'applyCodeActionCommand'

  #38320 commented on Dec 7, 2020 • 1 new comment

• Error: Debug Failure. Did not expect JsxExpression to have an Identifier in its trivia in 'addSyntheticNodes' during 'completions'

  #32871 commented on Dec 7, 2020 • 1 new comment

• TypeError: Cannot read property 'kind' of undefined in 'getRootDeclaration' during 'getCodeFixes'

  #33313 commented on Dec 7, 2020 • 1 new comment

• Error: Debug Failure. Invalid cast. The supplied value [object Object] did not pass the test 'isTypeAliasDeclaration'. in 'Object.cast' during 'getCodeFixes'

  #38059 commented on Dec 7, 2020 • 1 new comment

• TypeError: Cannot read property 'length' of undefined in 'checkNumericLiteralValueSize' during 'getApplicableRefactors'

  #37530 commented on Dec 7, 2020 • 1 new comment

• Error: Debug Failure. Invalid cast. The supplied value [object Object] did not pass the test 'isTypeParameterDeclaration'. in 'Object.cast' during 'getApplicableRefactors'

  #38321 commented on Dec 7, 2020 • 1 new comment

• Error in 'getValidSourceFile' during 'definitionAndBoundSpan'

  #39878 commented on Dec 7, 2020 • 1 new comment

• Error: Debug Failure. Did not expect JsxClosingFragment to have an Identifier in its trivia in 'addSyntheticNodes' during 'getCodeFixes'

  #38317 commented on Dec 7, 2020 • 1 new comment

• TypeError: Cannot read property 'pos' of undefined in 'visit' during 'getApplicableRefactors'

  #36710 commented on Dec 7, 2020 • 1 new comment

• TypeError: Cannot read property 'kind' of undefined in 'areSameModule' during 'navtree'

  #38058 commented on Dec 7, 2020 • 1 new comment

• Error in 'cleanText' during 'navtree'

  #39876 commented on Dec 7, 2020 • 1 new comment

• vscode intellisense import from src in typescript project

  #40484 commented on Dec 7, 2020 • 1 new comment

• Ability to disable TS8010: 'types' can only be used in a .ts file.

  #35470 commented on Dec 7, 2020 • 1 new comment

• Feature: Composing spread operator on Union types and static_key function to enable generic capability

  #17061 commented on Dec 7, 2020 • 1 new comment

• TypeScript 3.9 to 4.0 performance regression

  #41570 commented on Dec 7, 2020 • 1 new comment

• JSDoc equivalent of import *

  #41825 commented on Dec 7, 2020 • 1 new comment

• TypeScript custom paths to packages are not used by quickfix to suggest imports

  #41152 commented on Dec 7, 2020 • 1 new comment

• Automatic Type Acquisition does not work

  #37723 commented on Dec 8, 2020 • 1 new comment

• Provide flag for projects to ban compile-time side-effects in root files

  #41104 commented on Dec 8, 2020 • 1 new comment

• Typeguard with ""|undefined not working

  #31156 commented on Dec 8, 2020 • 1 new comment

• Treating `undefined` parameters as optional

  #12400 commented on Dec 8, 2020 • 1 new comment

• Remote declaration file

  #28985 commented on Dec 8, 2020 • 1 new comment

• Suggestion: one-sided or fine-grained type guards

  #15048 commented on Dec 8, 2020 • 1 new comment

• tsc --build / Project References Feedback & Discussion

  #25600 commented on Dec 8, 2020 • 1 new comment

• No ways to do an alias of an exported type inside a namespace

  #40771 commented on Dec 8, 2020 • 1 new comment

• 'innerText' should not be nullable in most of Node's derived types

  #10315 commented on Dec 9, 2020 • 1 new comment

• Crazy checker.ts refactor experiment (25kloc)

  #17861 commented on Dec 9, 2020 • 1 new comment

• The `compilerOptions.outDir` config is incorrectly resolved when in a shareable config

  #29172 commented on Dec 9, 2020 • 1 new comment

• Typeguard method not working for class members

  #36887 commented on Dec 9, 2020 • 1 new comment

• Debug Failure. Did not expect ClassDeclaration to have an Identifier in its trivia

  #35133 commented on Dec 9, 2020 • 1 new comment

• String literal rename doesn't work in object unions

  #41489 commented on Dec 10, 2020 • 1 new comment

• Permit type alias declarations inside a class

  #7061 commented on Dec 10, 2020 • 1 new comment

• Strange "Cannot use namespace 'Foo' as a type" error with dummy `declare module "foo";` declaration

  #27311 commented on Dec 10, 2020 • 1 new comment

• Suggestion: disallow synthetic imports for ES modules

  #33954 commented on Dec 10, 2020 • 1 new comment

• Project compiles OK but hangs when --watch is added

  #25023 commented on Dec 10, 2020 • 1 new comment

• Suggestion for Dependent-Type-Like Functions: Conservative Narrowing of Generic Indexed Access Result Type

  #33014 commented on Dec 10, 2020 • 1 new comment

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

  #41831 commented on Dec 10, 2020 • 1 new comment

• Type PermissionName for Permission API doesn't contain correct types

  #33923 commented on Dec 11, 2020 • 1 new comment

• Allow type annotation on catch clause variable

  #20024 commented on Dec 11, 2020 • 1 new comment

• Bad error message when trying to access protected property of super class type

  #35989 commented on Dec 11, 2020 • 1 new comment

• window.requestIdleCallback type missing

  #40807 commented on Dec 11, 2020 • 1 new comment

• every does not respect typeguard

  #36892 commented on Dec 11, 2020 • 1 new comment

• tsserver should implement the Language Server Protocol

  #39459 commented on Dec 11, 2020 • 1 new comment

• Indirect type narrowing via `const`

  #12184 commented on Dec 11, 2020 • 1 new comment

• Exact generic constraints

  #35899 commented on Dec 11, 2020 • 1 new comment

• @example breaks when example includes `@` character (org package imports)

  #39371 commented on Dec 11, 2020 • 1 new comment

• Missing function signatures in typescript.d.ts

  #40507 commented on Dec 11, 2020 • 1 new comment

• baseUrl is used to create reference type path in declaration file

  #39695 commented on Dec 11, 2020 • 1 new comment

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

  #41406 commented on Dec 11, 2020 • 1 new comment

• Support @ts-ignore for specific errors

  #19139 commented on Dec 11, 2020 • 1 new comment

• Exact Types

  #12936 commented on Dec 11, 2020 • 1 new comment

• allow voluntary .ts suffix for import paths

  #37582 commented on Dec 12, 2020 • 1 new comment

• Suggestion: a built-in TypedArray interface

  #15402 commented on Dec 12, 2020 • 1 new comment

• Allow to explicitly pass parameter types via JSDoc

  #27387 commented on Dec 12, 2020 • 1 new comment

• Regex-validated string types (feedback reset)

  #41160 commented on Dec 12, 2020 • 1 new comment

• Literal String Union Autocomplete

  #29729 commented on Dec 12, 2020 • 1 new comment

• Organize imports: add an option to put all absolute paths after node_modules ones

  #30456 commented on Dec 12, 2020 • 1 new comment

• Allowed non-this, non-super code before super call in derived classes with property initializers

  #29374 commented on Dec 9, 2020 • 1 new comment

• feat(31388): Destructuring array, ability to explicitly tell the variable is unused

  #41378 commented on Dec 11, 2020 • 1 new comment

• Improve support for Symbol.toPrimitive

  #4538 commented on Dec 6, 2020 • 0 new comments

• Always allow code before super call when it does not use "this"

  #8277 commented on Dec 6, 2020 • 0 new comments

• Missing isJSDocSeeTag in TypeScript 4.1

  #41822 commented on Dec 7, 2020 • 0 new comments

• Should we set '"types": []' for 'tsc init'?

  #39354 commented on Dec 7, 2020 • 0 new comments

• 4.1 Array.isArray breaking change review

  #41808 commented on Dec 7, 2020 • 0 new comments

• Detached JSDoc class docstring using @extends crashes tsc

  #41818 commented on Dec 7, 2020 • 0 new comments

• Comments within JSX Expressions are not preserved

  #41754 commented on Dec 8, 2020 • 0 new comments

• Transforming ImportDeclaration or ExportDeclaration causes type specifiers to be output in js files

  #40603 commented on Dec 9, 2020 • 0 new comments

• another way of noUncheckedIndexedAccess

  #41711 commented on Dec 9, 2020 • 0 new comments

• JS Doc parameter comment description drops leading star

  #33386 commented on Dec 9, 2020 • 0 new comments

• JSDoc generation - generate @returns when function returns a value

  #14248 commented on Dec 9, 2020 • 0 new comments

• Poor inference for variadic tuple rest element when other inference targets are not rest parameters

  #39244 commented on Dec 10, 2020 • 0 new comments

• Can't exclude undefined from indexed Partial with simple guard

  #31908 commented on Dec 11, 2020 • 0 new comments

• Indentation is too aggressive for ternary operator

  #3676 commented on Dec 11, 2020 • 0 new comments

• Typescript "Organize Imports" action inserts loads of blank lines in import statements

  #41417 commented on Dec 11, 2020 • 0 new comments

• const enum imports are stripped even with isolatedModules

  #40499 commented on Dec 11, 2020 • 0 new comments

• Assignments to global objects in Javascript should be global declarations

  #22446 commented on Dec 11, 2020 • 0 new comments

• Regression 3.7.2: Global namespace augmentations containing re-exports in nested namespaces not found

  #35385 commented on Dec 11, 2020 • 0 new comments

• Registry ATA uses should be configurable

  #35038 commented on Dec 11, 2020 • 0 new comments

• Publish `@‍types` Packages to the GitHub Registry

  #33330 commented on Dec 11, 2020 • 0 new comments

• ObjectConstructor.assign

  #35621 commented on Dec 11, 2020 • 0 new comments

• Referencing `this` from a static class field

  #36267 commented on Dec 11, 2020 • 0 new comments

• TS Server fatal error: Cannot read property 'flags' of undefined

  #38147 commented on Dec 11, 2020 • 0 new comments

• DOM lib: CSS namespace breaks CSS Typed OM

  #38554 commented on Dec 11, 2020 • 0 new comments

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

  #39430 commented on Dec 11, 2020 • 0 new comments

• getTypeFromJSDocValueReference leads to stack overflow

  #39783 commented on Dec 11, 2020 • 0 new comments

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

  #40330 commented on Dec 11, 2020 • 0 new comments

• __importDefault without tslib in output when noEmitHelpers and importHelpers set to true

  #40328 commented on Dec 11, 2020 • 0 new comments

• Debug Failure prevents renaming imports on file move

  #40386 commented on Dec 11, 2020 • 0 new comments

• Organize Import creates whitespace that needs to be deleted manually

  #40736 commented on Dec 11, 2020 • 0 new comments

• v4.0.x -> v4.1.1-rc change in overload selection

  #41563 commented on Dec 11, 2020 • 0 new comments

• Transpiled template literals behave incorrectly

  #39744 commented on Dec 11, 2020 • 0 new comments

• Specialize JSX error messages for missing properties

  #39749 commented on Dec 11, 2020 • 0 new comments

• 4.0: Cannot use variadic tuples in Promise.all

  #39788 commented on Dec 11, 2020 • 0 new comments

• tsc reports error that LS does not

  #39811 commented on Dec 11, 2020 • 0 new comments

• Locals named `exports` create incorrect down-level module emit

  #39822 commented on Dec 11, 2020 • 0 new comments

• TypeError: Cannot read property 'exportSymbol' of undefined at getTypeOfSymbolAtLocation

  #39835 commented on Dec 11, 2020 • 0 new comments

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

  #39853 commented on Dec 11, 2020 • 0 new comments

• Nullish coalescing operator corrupts for-of loop when targeting ES5

  #39907 commented on Dec 11, 2020 • 0 new comments

• Variadic with "named tuples" doesn't preserve name

  #39941 commented on Dec 11, 2020 • 0 new comments

• Unjustified and undetected circular type definition when using one-tuple to prevent distributive conditional type with a condition

  #39992 commented on Dec 11, 2020 • 0 new comments

• Generators with extended unions, null and undefined produces compiler errors

  #40044 commented on Dec 11, 2020 • 0 new comments

• TS Server fatal error: path.replace is not a function

  #40008 commented on Dec 11, 2020 • 0 new comments

• d.ts type is different than intellisense type

  #40003 commented on Dec 11, 2020 • 0 new comments

• Error while trying to run typescript "Add all missing imports" quick fix

  #40065 commented on Dec 11, 2020 • 0 new comments

• Async/Await overrides variables

  #40047 commented on Dec 11, 2020 • 0 new comments

• random emit declaration

  #40092 commented on Dec 11, 2020 • 0 new comments

• TS Server fatal error: Debug Failure. Unexpected node.

  #40066 commented on Dec 11, 2020 • 0 new comments

• (Vanilla) Mixins Pattern: Base constructor must have same return type

  #40110 commented on Dec 11, 2020 • 0 new comments

• typeToTypeNode behavior changed for boolean literals

  #40203 commented on Dec 11, 2020 • 0 new comments

• VSCode incredibly slow, 100% CPU usage, coming from electron_node tsserver.js CPU usage

  #40138 commented on Dec 11, 2020 • 0 new comments

• Incorrect type inference when destructuring a tuple

  #40215 commented on Dec 11, 2020 • 0 new comments

• Type parameters in return values are sometimes inferred as never

  #40276 commented on Dec 11, 2020 • 0 new comments

• IntelliSense not working when esModuleInterop was `true` and swagger-parser was imported.

  #40355 commented on Dec 11, 2020 • 0 new comments

• Can Module Resolution Cache Usage Be Improved?

  #40356 commented on Dec 11, 2020 • 0 new comments

• Support additional trace points

  #40460 commented on Dec 11, 2020 • 0 new comments

• Provide a better display experience for unresolved values and types

  #39032 commented on Dec 11, 2020 • 0 new comments

• Type inference failing for window.onbeforeunload

  #39057 commented on Dec 11, 2020 • 0 new comments

• Possible regression: Maximum call stack size exceeded when migrating from 3.7.5 to latest version

  #39059 commented on Dec 11, 2020 • 0 new comments

• Generic argument inference no longer working for specific case

  #39080 commented on Dec 11, 2020 • 0 new comments

• sourcemap mapping is generated before node generates newline and indent

  #39170 commented on Dec 11, 2020 • 0 new comments

• Argument of any no longer matches `<T>(x: T) => T` in overload set

  #39208 commented on Dec 11, 2020 • 0 new comments

• With project references, some cross-package imports of inferred types are emitted with relative paths

  #39117 commented on Dec 11, 2020 • 0 new comments

• Key can't be number in Proxy

  #39272 commented on Dec 11, 2020 • 0 new comments

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

  #39237 commented on Dec 11, 2020 • 0 new comments

• @deprecated strikethrough doesn't appear in many cases, such as JSX elements, const arrow functions, or properties.

  #39374 commented on Dec 11, 2020 • 0 new comments

• Type deduction seems to be broken inside Generator Functions

  #39297 commented on Dec 11, 2020 • 0 new comments

• Intellisense stuck on loading after trying to index absolute import

  #39326 commented on Dec 11, 2020 • 0 new comments

• IntelliSense Import Stops Working After One Import

  #39456 commented on Dec 11, 2020 • 0 new comments

• esModuleInterop doesn't affect reexports

  #39464 commented on Dec 11, 2020 • 0 new comments

• jsdocs typedef don't work if declared before conditional unreachable code.

  #39516 commented on Dec 11, 2020 • 0 new comments

• No error using imports/exports with --module=none and --target=es2015+

  #39603 commented on Dec 11, 2020 • 0 new comments

• Emitting combined output declarations tries to resolve monorepo imports

  #39547 commented on Dec 11, 2020 • 0 new comments

• A extends B relation break after wrapping by extra interface

  #39549 commented on Dec 11, 2020 • 0 new comments

• SystemJS transformer use outdated information leads to wrong result

  #39608 commented on Dec 11, 2020 • 0 new comments

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

  #39691 commented on Dec 11, 2020 • 0 new comments

• Can't find declaration files for imports with extension when using path mapping

  #39743 commented on Dec 11, 2020 • 0 new comments

• Auto imports not working with project references

  #39778 commented on Dec 11, 2020 • 0 new comments

• Unique symbol can't be used to index class

  #38009 commented on Dec 11, 2020 • 0 new comments

• Required children are not enforced with TSX

  #38108 commented on Dec 11, 2020 • 0 new comments

• Declaration emit reveals paths within dependency that were not referred to in the source file

  #38111 commented on Dec 11, 2020 • 0 new comments

• Invalid context in constructor (at runtime)

  #38188 commented on Dec 11, 2020 • 0 new comments

• Narrowing does not work for constrained template arguments in JS

  #38309 commented on Dec 11, 2020 • 0 new comments

• Type guard on generic parameter gives error inside array callback

  #38376 commented on Dec 11, 2020 • 0 new comments

• Allow trailing lines in multiline comment directives

  #38370 commented on Dec 11, 2020 • 0 new comments

• Property 'description' does not exist on type 'unique symbol'

  #38310 commented on Dec 11, 2020 • 0 new comments

• Implicit Symbol.iterator call in for..of loops / spread destructuring doesn't infer `this` generic type parameter

  #38388 commented on Dec 11, 2020 • 0 new comments

• Cannot export self module as default

  #38387 commented on Dec 11, 2020 • 0 new comments

• Supporting Efficient Semantic Highlighting

  #38435 commented on Dec 11, 2020 • 0 new comments

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

  #38460 commented on Dec 11, 2020 • 0 new comments

• IteratorResult<T> definition conflicts with the JS spec

  #38479 commented on Dec 11, 2020 • 0 new comments

• Incorrect lexing of TLA await in try...catch

  #38483 commented on Dec 11, 2020 • 0 new comments

• Fail to short circuit an undefined private class field with optional chaining

  #38503 commented on Dec 11, 2020 • 0 new comments

• TSServer using 100%+ CPU breaking Intellisense, import suggestions etc

  #38504 commented on Dec 11, 2020 • 0 new comments

• Union in a computed property allows any assignment to property value

  #38663 commented on Dec 11, 2020 • 0 new comments

• Filter object properties by type

  #38646 commented on Dec 11, 2020 • 0 new comments

• TypeError: Cannot read property 'length' of undefined in getLocalTypeParametersOfClassOrInterfaceOrTypeAlias

  #38709 commented on Dec 11, 2020 • 0 new comments

• `moduleResolution: node` doesn't align with Node's module resolution when targeting ES2015.

  #38729 commented on Dec 11, 2020 • 0 new comments

• Ensure find-all-refs works on unresolved locals

  #38836 commented on Dec 11, 2020 • 0 new comments

• TS 3.9.3 breaks HOC around generic class-based components that worked with TS 3.8.3

  #38910 commented on Dec 11, 2020 • 0 new comments

• Pipe function + `React.memo` returns component with `any` props

  #38930 commented on Dec 11, 2020 • 0 new comments

• Unexpected very poor performance

  #38970 commented on Dec 11, 2020 • 0 new comments

• If exported variable is renamed, tsc will generate code with a syntax error

  #39022 commented on Dec 11, 2020 • 0 new comments

• Contravariance broke in 3.8 when combining spreading parameter list with conditional type

  #37400 commented on Dec 11, 2020 • 0 new comments

• Call hierarchy becomes infinitely nested on derived class methods using super call

  #37342 commented on Dec 11, 2020 • 0 new comments

• Should preserve unique symbols when re‑assigning `module.exports`

  #37403 commented on Dec 11, 2020 • 0 new comments

• Structural Comparison of Circular Tuples

  #37420 commented on Dec 11, 2020 • 0 new comments

• System or AMD module with outFile and dynamic import incorrect

  #37429 commented on Dec 11, 2020 • 0 new comments

• Plugin `create` and `onConfigurationChanged` config-confusion

  #37470 commented on Dec 11, 2020 • 0 new comments

• User test requests fail too silently

  #37560 commented on Dec 11, 2020 • 0 new comments

• New error: This spread always overwrites this property

  #37559 commented on Dec 11, 2020 • 0 new comments

• Error: Debug Failure. Expected export symbol to have a parent in 'Object.assertDefined' during 'documentHighlights'

  #37532 commented on Dec 11, 2020 • 0 new comments

• New error: Type of property 'defaultProps' circularly references itself in mapped type

  #37597 commented on Dec 11, 2020 • 0 new comments

• "paths" of tsconfig.json doesn't work inside the symlinked directory

  #37630 commented on Dec 11, 2020 • 0 new comments

• Types become compatible after update to version 3.8.1-rc

  #37624 commented on Dec 11, 2020 • 0 new comments

• Cannot find name 'Iterable' when including ES2015.Promise

  #37680 commented on Dec 11, 2020 • 0 new comments

• typeRoots and types not working

  #37708 commented on Dec 11, 2020 • 0 new comments

• TS2708: Cannot use namespace 'LazyCookie' as a value.

  #37722 commented on Dec 11, 2020 • 0 new comments

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

  #37759 commented on Dec 11, 2020 • 0 new comments

• Inconsistent behaviour with generic type parameter defaults

  #37755 commented on Dec 11, 2020 • 0 new comments

• Lookup type on `this` unexpectedly takes `true` branch of conditional type

  #37778 commented on Dec 11, 2020 • 0 new comments

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

  #37791 commented on Dec 11, 2020 • 0 new comments

• Constants + Generic causing TS4023 ("but cannot be named")

  #37888 commented on Dec 11, 2020 • 0 new comments

• `Promise.all` not removing `never[]` in catch narrowing

  #37856 commented on Dec 11, 2020 • 0 new comments

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

  #37958 commented on Dec 11, 2020 • 0 new comments

• Allow configuration of NodeBuilderFlags.AllowNodeModulesRelativePaths for un-distributed mono repos

  #37960 commented on Dec 11, 2020 • 0 new comments

• Symbol type stripped on deferred import

  #37937 commented on Dec 11, 2020 • 0 new comments

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

  #37991 commented on Dec 11, 2020 • 0 new comments

• EmitResolver cannot handle JsxOpeningLikeElement and JsxOpeningFragment that didn't originate from the parse tree

  #35686 commented on Dec 11, 2020 • 0 new comments

• Invalid output emited as the result of javascript file compilation: amd, default export, jsdoc

  #35797 commented on Dec 11, 2020 • 0 new comments

• Assigning to a string fails if it was previously compared to an enum

  #35824 commented on Dec 11, 2020 • 0 new comments

• commonjs export binding produces invalid code for increment/decrement in PrefixUnaryExpression

  #35879 commented on Dec 11, 2020 • 0 new comments

• All semantic operations break after go to definition

  #35907 commented on Dec 11, 2020 • 0 new comments

• import is cut after "transpileModule" compilation when object spread is used (TypeScript 3.7)

  #35886 commented on Dec 11, 2020 • 0 new comments

• export binding destructuring downleveling changes runtime semantics

  #35905 commented on Dec 11, 2020 • 0 new comments

• Should it be an error to add JSDoc visibility modifiers to #privateFields?

  #36080 commented on Dec 11, 2020 • 0 new comments

• Type instantiation leakage around generators

  #36129 commented on Dec 11, 2020 • 0 new comments

• Turning off automatic type acquisition fixes slow autocomplete, tsserver at 100%

  #36358 commented on Dec 11, 2020 • 0 new comments

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

  #36505 commented on Dec 11, 2020 • 0 new comments

• .map() .reduce() .filter() methods fail with "This expression is not callable." error on valid array with union type

  #36390 commented on Dec 11, 2020 • 0 new comments

• Allowing relative paths in triple slash "types" directives generates broken definitions

  #36557 commented on Dec 11, 2020 • 0 new comments

• Declaration emit for private identifiers in class expressions is wrong

  #36548 commented on Dec 11, 2020 • 0 new comments

• Include the version number in the downloadable TypeScript_SDK.exe filename

  #36829 commented on Dec 11, 2020 • 0 new comments

• Definition output should not iterate over keys

  #36860 commented on Dec 11, 2020 • 0 new comments

• Type not narrowed by === when equivalent type guard works

  #36772 commented on Dec 11, 2020 • 0 new comments

• Automate release branch creation

  #36863 commented on Dec 11, 2020 • 0 new comments

• Error: Debug Failure. False expression: Expected line to be non-zero in 'failIfInvalidLocation' during 'navtree'

  #36977 commented on Dec 11, 2020 • 0 new comments

• Inference from rest parameters has strange inconsistent results

  #37193 commented on Dec 11, 2020 • 0 new comments

• `Omit` helper loses type information when used with extended Records.

  #36981 commented on Dec 11, 2020 • 0 new comments

• TS2589: Type instantiation is excessively deep and possibly infinite caused by non recursive generics when using "npm link"

  #37209 commented on Dec 11, 2020 • 0 new comments

• Nested conditional types and generics, testing type equality evaluating to incorrect branch

  #37314 commented on Dec 11, 2020 • 0 new comments

• TypeScript: New class in second project is only recognized by intellisense after restart

  #37304 commented on Dec 11, 2020 • 0 new comments

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

  #37337 commented on Dec 11, 2020 • 0 new comments

• Object with keys named after variables using [myVar] syntax breaks symbol lookup in TS 3.7.0-dev.20191002

  #33761 commented on Dec 11, 2020 • 0 new comments

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

  #33726 commented on Dec 11, 2020 • 0 new comments

• Iterator result of Iterable or AsyncIterable inferred to any

  #33932 commented on Dec 11, 2020 • 0 new comments

• Symlinked repo gives TS2717: Subsequent property declarations must have the same type.

  #33945 commented on Dec 11, 2020 • 0 new comments

• tsc --watch initial build 3x slower than tsc

  #34119 commented on Dec 11, 2020 • 0 new comments

• Expose TypeScript-specific globbing behavior

  #34545 commented on Dec 11, 2020 • 0 new comments

• Poor typing for array iterator

  #34581 commented on Dec 11, 2020 • 0 new comments

• Optimize constructing type nodes from types

  #34776 commented on Dec 11, 2020 • 0 new comments

• Object destructuring named `exports` conflicts on targeting `commonjs`

  #34693 commented on Dec 11, 2020 • 0 new comments

• Regression on inference of "old style" recursive interfaces in 3.7.x

  #34796 commented on Dec 11, 2020 • 0 new comments

• Compiled .d.ts output for `Omit` is verbose and semantically inconsistent

  #34793 commented on Dec 11, 2020 • 0 new comments

• [3.6.3] `tsc --watch` extremely slow (regular `tsc` compiles fine).

  #34916 commented on Dec 11, 2020 • 0 new comments

• Provide metadata about TypeScript's available refactorings and quick fixes

  #34859 commented on Dec 11, 2020 • 0 new comments

• Improving refactoring discoverability and UX

  #34930 commented on Dec 11, 2020 • 0 new comments

• “Type instantiation is excessively deep and possibly infinite” but only in a large codebase

  #34933 commented on Dec 11, 2020 • 0 new comments

• No error is reported in local code base when destructing undefined while using downlevelIteration, but an error is reported in TypeScript Playground with same tsconfig

  #34956 commented on Dec 11, 2020 • 0 new comments

• Function names in source maps in async functions broken

  #34977 commented on Dec 11, 2020 • 0 new comments

• Not assignable Type

  #34967 commented on Dec 11, 2020 • 0 new comments

• Decorator emit incorrect within `try` block

  #35050 commented on Dec 11, 2020 • 0 new comments

• useDefineForClassFields breaks augmentation/overwrite of class members with decorators

  #35081 commented on Dec 11, 2020 • 0 new comments

• Avoid elaborating missing properties on common container types

  #35300 commented on Dec 11, 2020 • 0 new comments

• Memory leak when switching git branches on jsconfig.json enabled projects

  #35378 commented on Dec 11, 2020 • 0 new comments

• exporting object and importing object property declared with jsdoc @enum leads to 'declared but its value is never read'

  #35348 commented on Dec 11, 2020 • 0 new comments

• Functions wrapped in `__importDefault` with allowSyntheticDefaultImports emit incorrect function calls

  #35420 commented on Dec 11, 2020 • 0 new comments

• Optional Chaining does not propagate receiver when parenthesized

  #35476 commented on Dec 11, 2020 • 0 new comments

• Comparison targets are reversed (regression)

  #31251 commented on Dec 11, 2020 • 0 new comments

• Inference of constrained generic causes open generic to "escape"

  #31402 commented on Dec 11, 2020 • 0 new comments

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

  #31675 commented on Dec 11, 2020 • 0 new comments

• "sourceRoot" not resolved correctly for nested modules

  #31873 commented on Dec 11, 2020 • 0 new comments

• Type alias substitution does not work

  #31616 commented on Dec 11, 2020 • 0 new comments

• CRA build slow when using typescript

  #32229 commented on Dec 11, 2020 • 0 new comments

• Specifying supported TypeScript versions

  #32166 commented on Dec 11, 2020 • 0 new comments

• Generic bounds not enforced on generic argument

  #32330 commented on Dec 11, 2020 • 0 new comments

• User/docker tests broken with duplicate identifier IteratorResult

  #32333 commented on Dec 11, 2020 • 0 new comments

• Iterable and AsyncIterable interfaces should have full type arguments

  #32682 commented on Dec 11, 2020 • 0 new comments

• Give more information in --extendedDiagnostics

  #32767 commented on Dec 11, 2020 • 0 new comments

• Weak and inconsistent type inference with generators (regression)

  #32728 commented on Dec 11, 2020 • 0 new comments

• Unexpected parse problems in valid JS code when arrow functions are used as values in object surrounded with parentheses

  #32914 commented on Dec 11, 2020 • 0 new comments

• union types not type guarded

  #32928 commented on Dec 11, 2020 • 0 new comments

• Destructuring array polyfill isn't equivalent to new JS

  #32959 commented on Dec 11, 2020 • 0 new comments

• ES6 module immediately exported var clash with local "exports" variable

  #33043 commented on Dec 11, 2020 • 0 new comments

• ES6 export variable binding incorrect post increment

  #33044 commented on Dec 11, 2020 • 0 new comments

• IterableIterator<T>.next().value is now any instead of T

  #33353 commented on Dec 11, 2020 • 0 new comments

• Inference failing for conditional types in function parameters

  #33369 commented on Dec 11, 2020 • 0 new comments

• TypeScript ES modules incompatible with browser and Node.js

  #33306 commented on Dec 11, 2020 • 0 new comments

• Trouble implementing .then

  #33416 commented on Dec 11, 2020 • 0 new comments

• generator contextual typing problem

  #33533 commented on Dec 11, 2020 • 0 new comments

• Intersection type with discriminated union type that includes all possible enum values cannot accept enum type

  #33654 commented on Dec 11, 2020 • 0 new comments

• Handle element access expressions in JS/TS with late-bound names

  #33569 commented on Dec 11, 2020 • 0 new comments

• tsc 3.6.3: `Promise.all` breaks with some union type

  #33562 commented on Dec 11, 2020 • 0 new comments

• Type inference issue when using generic function and generic constraint

  #24747 commented on Dec 11, 2020 • 0 new comments

• Bug in lib.dom.d.ts - document.evaluate

  #26437 commented on Dec 11, 2020 • 0 new comments

• Error output: Don't deep compare to native objects

  #26986 commented on Dec 11, 2020 • 0 new comments

• Generics: False negative on type constraint validation involving a conditional type

  #25413 commented on Dec 11, 2020 • 0 new comments

• Inconsistent inferred overloads in conditional types for no-arg signatures with strictFunctionTypes

  #28867 commented on Dec 11, 2020 • 0 new comments

• Assignability rule for conditional types needs to require check types and distributivity to be identical

  #27118 commented on Dec 11, 2020 • 0 new comments

• Regression: Argument of type ... is not assignable to parameter of type ...

  #29505 commented on Dec 11, 2020 • 0 new comments

• Improve typings of Array.map when called on tuples

  #29841 commented on Dec 11, 2020 • 0 new comments

• tsc, tsserver: hangs with large union type and object spread in React HOC (strict mode)

  #29949 commented on Dec 11, 2020 • 0 new comments

• 3.4 regression for type argument inference

  #30390 commented on Dec 11, 2020 • 0 new comments

• Overlapping formatting edits returned for jsx

  #30898 commented on Dec 11, 2020 • 0 new comments

• Generic type alias produces erroneously compatible types

  #31006 commented on Dec 11, 2020 • 0 new comments

• Overriding an accessor with a property causes runtime error when emitting ESNExt

  #31225 commented on Dec 11, 2020 • 0 new comments

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

  #33471 commented on Dec 12, 2020 • 0 new comments

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

  #39114 commented on Dec 12, 2020 • 0 new comments

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

  #39650 commented on Dec 12, 2020 • 0 new comments

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

  #39681 commented on Dec 12, 2020 • 0 new comments

• 'this' autocomplete broken

  #39946 commented on Dec 12, 2020 • 0 new comments

• Unexpected behavior (possible bug)

  #39970 commented on Dec 12, 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 12, 2020 • 0 new comments

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

  #40463 commented on Dec 12, 2020 • 0 new comments

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

  #41007 commented on Dec 12, 2020 • 0 new comments

• Compile error if I named last array destructuring element.

  #41548 commented on Dec 12, 2020 • 0 new comments

• instanceof Promise in ternary does not narrow Promiselike in 4.1

  #41606 commented on Dec 12, 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 12, 2020 • 0 new comments

• TS 4.1 regression in type assertion of generic mapped type

  #41617 commented on Dec 12, 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 12, 2020 • 0 new comments

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

  #27808 commented on Dec 12, 2020 • 0 new comments

• In JS, jsdoc should be able to declare functions as overloaded

  #25590 commented on Dec 12, 2020 • 0 new comments

• Spelling correction fixes should not be case-agnostic for two equally weighed options

  #39060 commented on Dec 11, 2020 • 0 new comments

• Add flag to change 'catch' variable default to 'unknown'

  #41013 commented on Dec 11, 2020 • 0 new comments

• Be more specific when normalizing intersections containing tuples as tuple elements

  #41169 commented on Dec 11, 2020 • 0 new comments

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

  #41496 commented on Dec 12, 2020 • 0 new comments