TypeScript-Handbook

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Typo on "Unions and Intersections" page

2

I'm not sure if it's the right place to issue it because I don't see the "Unions and Intersections" page that is present on the website: https://www.typescriptlang.org/docs/handbook/unions-and-intersections.html - in this...

jwbth

Misstatement in definition of `Partial<T>`

1

The definition of [`Partial`](https://www.typescriptlang.org/docs/handbook/utility-types.html#partialt) states: > Constructs a type with all properties of T set to optional. This utility will return a type that represents all subsets of a given...

vassudanagunta

I believe that in the computing the common usage of the term "source" is an input for some "target". So in the example of the section "Comparing two functions" "source"...

myshov

Please expand Type Checking JavaScript Files into mutiple sections

1

The current section, https://www.typescriptlang.org/docs/handbook/type-checking-javascript-files.html, is huge but at the same time lacking a lot of information. Questions like https://stackoverflow.com/questions/61097030/how-to-import-custom-typings-into-a-vscode-js-project, https://stackoverflow.com/questions/51982814/reference-definition-from-ts-check-js-file etc... are not answered. Rather, one has to search github...

dotnetCarpenter

The handbook reads > `x` is compatible with `y` if `y` has at least the same members as `x` I believe the types should be flipped > `y` is compatible...

vwkd

The previous description was: > Constructs a type by excluding/extracting from `T` all properties that are assignable to `U`. This sounds to me like Exclude and Extract would do this:...

jennings

Hey there! I'm reading Handbook's “Advanced types” chapter and there's a section describing [exhaustiveness checking](http://www.typescriptlang.org/docs/handbook/advanced-types.html#exhaustiveness-checking) which says (as I understand it) that this code shouldn't warn us at all about...

igoradamenko

Currently (with comments added to explain the issue): ```ts function validate(target: any, propertyKey: string, descriptor: TypedPropertyDescriptor) { let set = descriptor.set; descriptor.set = function (value: T) { let type =...

JeffreyZhao

Are there hard copies of the handbook?

1

Hey! I lead a TS team, and I would love to buy a bunch of physical copies of the handbook. I realize it's a living document, but it's well laid...

jb-reefer

[Docs] gulp handbook guide removes watchify when adding babel

6

_From @marianoguerra on May 14, 2016 15:42_ The docs here: http://www.typescriptlang.org/docs/handbook/gulp.html adds features by steps, at some points it adds watchify to the browserify build task, then adds babel, and...

DanielRosenwasser