How to convert typescript project to node package

Question

I have an older typescript project that exports a lot of functions and interfaces in multiple files. Dependent packages pulled in those exports by linking directly to the file in the directory.

I am trying to convert the dependency to a true npm package, with an index.js and index.d.js, but struggling with how. I don't know what those two files should look like.

For example, I need to export both a type HttpHandler and an implementation httpHandler

For this package, there is no default.

Examples?

It sounds like you're trying to accomplish this: itnext.io/… — Paul
– Paul, Commented Feb 22, 2020 at 15:47
except; all the examples show putting the code in index.js and the types in index.d.ts. I already have code in multiple files like src/a.ts and src/b.ts. I don't know how to make them visible or as a module — ed4becky
– ed4becky, Commented Feb 22, 2020 at 15:52
Create a index.ts file, then add export * from './src/a'; and export * from './src/b';. — Paul
– Paul, Commented Feb 22, 2020 at 15:54
Paul, you want to put that in an answer, because you nailed it! — Josh Wulf
– Josh Wulf, Commented Feb 22, 2020 at 15:59

Paul · Accepted Answer · 2020-02-22 16:19:23Z

1

Below is an example library @ed4becky/acme. The library's source code is in the src directory, and a fake consumer (fake-external-consumer.ts). In a real world example, fake-exernal-consumer.ts would be in its own repo/project, I just kept it outside the src for as a visual indictor and for simplicity purposes. In the example you can see how I created the library @ed4becky/acme, and how it's imported import { A, B } from @ed4becky/acme. I'm able to import from the library because class A and B are exported in src/index.ts.

https://codesandbox.io/s/mystifying-gauss-b8zjk

answered Feb 22, 2020 at 16:19

Paul

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1 Comment

ed4becky Over a year ago

I had to make one correction to the existing code to get this work. The method I was using as mu guinea pig was defined "const a1 = " then at the bottom export default a1; I changed it to export const a1 and removed the default. Thanks for quick response

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