Can you please provide instructions on how to obtain the TypeScript definitions file for a specific version of Jquery, such as 3.2.1

As I navigate my way through TypeScript, I find myself in need of accessing type definitions for a jQuery project in Visual Studio. The project currently utilizes jquery version 3.2.1, and I'm on the lookout for TypeScript type definitions for it.

After some research online, it seems that the go-to source for these type definitions is located at https://github.com/DefinitelyTyped/DefinitelyTyped

Upon visiting the page, I came across this information:

npm
This is the preferred method and is available for TypeScript 2.0+ users. For instance:

npm install --save-dev @types/node

It appeared straightforward - just run 

npm install --save-dev @types/jquery
to fetch the necessary type definition file using npm. However, a thought crossed my mind - what version of jQuery would this type definition file correspond to? Since everyone types the same command irrespective of the jQuery version used, I decided to check the details on the npm site, only to discover something unexpected:

This particular package contains type definitions for jQuery 1.10.x / (http://jquery.com/).

The confusion set in when I noticed that the latest update was dated "Last updated: Sat, 11 Mar 2017 00:13:28 GMT". Why would there be an update to an npm module linked to jQuery 1.10.x in recent times? Shouldn't the latest version of the jQuery type definitions on npm cater to more modern iterations of jQuery, like 2.0 or higher?

My assumptions lean towards considering these type definitions are indeed up-to-date, yet whoever maintains the npm package fails to update the details accurately. To confirm this speculation, I attempted to decipher the version of jQuery the type definitions were intended for by examining the downloaded module. Unfortunately, no definitive answer could be drawn from my inspection.

Hence, here lies my query - how does one acquire TypeScript definitions files designed for a specific version of jQuery, such as 3.2.1?

jqueryvisual-studiotypescriptnpmtypescript-typings

Answer №1

Apologies for the delayed response, but here is what I discovered when examining the index.d.ts file. The first line contains a comment indicating the version of JQuery that is compatible.

npm install @types/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="107a616575626950213e68">[email protected]</a>
will provide JQuery 1.x definitions

npm install @types/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="95ffe4e0f0e7ecd5a7bbed">[email protected]</a>
will provide JQuery 2.x definitions

npm install @types/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="83e9f2f6e6f1fac3b0adfb">[email protected]</a>
will provide JQuery 3.x definitions

Answer №2

To display all available versions of a particular npm package, you can use one of the following commands:

npm view package-name versions

OR

npm i package-name@whatever (An error will occur, but it will list all available versions)

Next, to install a specific version, run the command:

npm i package-name@version

For jquery types, execute the following:

npm view @types/jquery versions

You will see a list of all versions (currently the latest is 2.0.41). To install a specific version, use this command:

npm install --save-dev @types/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="553f242030272c15677b657b6164">[email protected]</a>

Answer №3

The current types you are receiving are the most up-to-date versions for jQuery.

There were minimal changes between 1.10.x and 2.0.x, so the type definitions are compatible with both versions.

On GitHub, there is an open issue where someone has requested new type definitions for jQuery 3.x. Unfortunately, no one has volunteered to update the type definitions for newer versions of jQuery, so they will remain at their current state until someone takes on that task.

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