Steps to make ng-packagr detect a Typescript type definition

Ever since the upgrade to Typescript 4.4.2 (which was necessary for supporting Angular 13), it appears that the require syntax is no longer compatible.

Now, it seems like I have to use this alternative syntax instead:

import * as d3ContextMenu from 'd3-context-menu';

I couldn't find any type definitions for d3-context-menu in DefinitelyTyped or anywhere else. So, I decided to try creating my own based on these guidelines: (refer to "Plan C" here for details)

The issue arises when attempting to utilize these custom type definitions in a project compiled using ng-packagr - it doesn't seem to function properly (although it works fine in a standard Angular project).

What am I overlooking in this process? What's the missing piece to properly integrating this type definition file?

https://i.sstatic.net/aIi0A.png

https://i.sstatic.net/oY03a.png

javascriptangulartypescriptd3.jsng-packagr

Answer №1

When utilizing ng-packgr to create an Angular library, it does not automatically include dependencies in the library bundle. Instead of relying on automatic detection, we must manually add the necessary dependencies to the peerDependencies of the library and then to the App's dependencies. This means that even if you declare d3-context-menu in your library's TypeScript file, it will not be found without specifying the declaration file at the application level.

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