Top TypeScript issues

Records with branded keys (poor man's nominal typing) do not verify the keys and fail when used with noImplicitAny

Duplicate
nomcopter picture nomcopter·10 May 2017·3 Comments

Type guards do not work when using the non-null assertion operator

Awaiting More Feedback Suggestion
LeviticusMB picture LeviticusMB·8 May 2017·11 Comments
👍1

Unable to use global this when `noImplicitThis` is enabled.

Awaiting More Feedback Suggestion
david-driscoll picture david-driscoll·5 May 2017·6 Comments

instanceof check throws TS2454 variable is used before being assigned

Working as Intended
StrikeForceZero picture StrikeForceZero·1 May 2017·9 Comments

IntelliSense For Untyped Imports in TypeScript Files

VS Code Tracked Working as Intended
mjbvz picture mjbvz·20 Apr 2017·5 Comments
👍6

Extending Promise gives runtime error: undefined is not a promise

Bug ES6
304NotModified picture 304NotModified·15 Apr 2017·4 Comments
👍5

Suggestion: Allow skipping the properties of type `void`

Question
emirotin picture emirotin·14 Apr 2017·9 Comments

Property 'isNaN' does not exist on type 'NumberConstructor'.

Bug lib.d.ts Fixed
monolithed picture monolithed·12 Apr 2017·4 Comments
👍3

Improve documentation on creating definition files for JavaScript libraries.

Docs
MicahZoltu picture MicahZoltu·6 Apr 2017·8 Comments
👍2

HTMLOptionElement gives error Property 'value' does not exist on type 'Element'.

Bug lib.d.ts help wanted
quantuminformation picture quantuminformation·6 Apr 2017·5 Comments
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