Typescript Error Message error TS2173: Generic type references must include all type arguments

Question

I was just trying to compile the latest version of the jquery declaration file from definitelyTyped, here.

The problem I have here, right now is this:

C:/nodejs/tsc.cmd --sourcemap jquery.d.ts --module commonjs --target ES5
C:/gamesbrainiac/d.ts/DefinitelyTyped/jquery/jquery.d.ts(491,40): error TS2173: Generic type references must include all type arguments.

node running @ version 0.10.3 and Typescript @ version 0.9.1.1.

What does this error mean, I'd like to understand the error messages so that I can solve the problems myself, instead of asking others to do it for me.

Danghor · Accepted Answer · 2018-06-01 09:31:26Z

8

That line should have been:

promise(type?: any, target?: any): JQueryPromise<any>;

I'll send them a pull request. Thanks.

JQueryPromise is a generic interface. i.e. it takes type parameters. Starting with TS 0.9.1.1 they are more strict about generic parameters. They must be specified from now on. This was allowed in previous versions (where the type was assumed to any implicitly) but the compiler analysis is stricter now (and the type must be specified explicitly).

edited Jun 1, 2018 at 9:31

Danghor

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answered Aug 22, 2013 at 12:51

basarat

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2 Comments

Nafiul Islam Over a year ago

But could you just explain what you're doing when you add those angle brackets, and the error too, that was a part of the question.

basarat Over a year ago

They are called generic type parameters. Expanded answer as well :)

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