microsoft / TypeScript

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TypeScript 4.0 Iteration Plan

#38510 opened May 12, 2020 by DanielRosenwasser

Open 41

TypeScript Roadmap: January - June 2020

#36948 opened Feb 21, 2020 by DanielRosenwasser

Open 8

CI Status Thread

#33716 opened Oct 1, 2019 by weswigham

Open 257

Labels 123 Milestones 7

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Numeric separated literals should disallow zero leading

#39563 opened Jul 11, 2020 by MaxGraey

Best common type with `as const` assertion in nested array

#39561 opened Jul 11, 2020 by koniferous22

this.constructor is defined as "Function" resulting in property (static method name) does not exist on type 'Function'

#39559 opened Jul 11, 2020 by nhusby

`Omit` behaves poorly with unions

#39556 opened Jul 10, 2020 by bakkot

[Bug] Setting `module: esnext` behaves like i also set `moduleResolution` to `classic`

#39555 opened Jul 10, 2020 by sw-yx

Filter function in lodash makes the compiler run out of memory and barf

#39553 opened Jul 10, 2020 by reduxdj

Ternary operator does not correctly narrow types (while equivalent if statement does)

#39550 opened Jul 10, 2020 by avolkovi

A extends B relation break after wrapping by extra interface

#39549 opened Jul 10, 2020 by nzhl

Gracefully parse and error on unparenthesized function/constructor types Bug Domain: Error Messages Effort: Moderate help wanted

#39548 opened Jul 10, 2020 by DanielRosenwasser Backlog

Emitting combined output declarations tries to resolve monorepo imports

#39547 opened Jul 10, 2020 by mischnic

function type in union type not work? Question

#39546 opened Jul 10, 2020 by keelii

Deprecation shown incorrectly

#39542 opened Jul 10, 2020 by Gurran

tsconfig extend field should be more user friendly Awaiting More Feedback Suggestion

#39540 opened Jul 10, 2020 by whitecolor 2 of 5

mixin constructor wrongly typed

#39539 opened Jul 10, 2020 by npenin

Type narrowing should be suppressed by assignments in nested function Duplicate

#39538 opened Jul 9, 2020 by SLaks

Suggestion: Add a way to hint typescript about basic function flow (call orders) Awaiting More Feedback Suggestion

#39535 opened Jul 9, 2020 by Niryo 5 of 5

Variable "name" in VSCode editor(intelli-sense) is showing incorrect information Needs Proposal Suggestion

#39534 opened Jul 9, 2020 by preethidaran

No aria suggestions for on react element when suggestions are manually triggered

#39530 opened Jul 9, 2020 by mjbvz

Generic Type Alias Overloading In Discussion Suggestion

#39526 opened Jul 9, 2020 by erichiller 5 of 5

Problematic Ternary-Expression Formatting Inside JS String Interpolation Bug Domain: Formatter

#39525 opened Jul 9, 2020 by ElSamhaa Backlog

Head comments are removed in some cases for next `import` line Bug

#39520 opened Jul 9, 2020 by whitecolor Backlog

Consider adding `primitive` as a union of all primitive types Awaiting More Feedback Suggestion

#39519 opened Jul 9, 2020 by ExE-Boss 5 of 5

IntelliSense for generic Promise function shows truncated return type

#39517 opened Jul 9, 2020 by Rich-MSR

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

#39516 opened Jul 8, 2020 by AoDev

Add all imports inserts all commas before imports in files with crlf line endings Bug Domain: Quick Fixes Effort: Moderate help wanted

#39515 opened Jul 6, 2020 by karthiknadig TypeScript 4.0.1

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