getContentfulEnvironment.js about contentful-typescript-codegen HOT 11 CLOSED

Yep! But it’s a devDependency—users don’t download it just by using this library.

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@stevenpetryk Was about to correct myself. Also I was posting to the wrong repo anyways! I realized this file is a relic of my attempting to use this before. With Gatsby I've used graphql-codegen, because (I think) this doesn't work with Gatsby+Contentful setup

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Hi @G-Rath, I don't work at Intercom anymore and so I cannot make changes to this project. I would recommend tagging a recent committer.

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I didn’t want ts-node to be a dependency of the project when it’s not necessary. You’re welcome to make it TypeScript if you prefer, and compile it to JS.

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@stevenpetryk ts-node already is a dependency https://github.com/intercom/contentful-typescript-codegen/blob/master/package.json#L68

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@stevenpetryk would you be open to supporting using TypeScript with ts-node as an optional peer dependency?

I've implemented this in a few projects like jest & postcss, and would be happy to do it again here if you're happy with that :)

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Hi @G-Rath 👋🏻 I'd be interested in seeing how that would work! I'd be open to that as long as we keep backwards compatibility 😃 Would you mind going in a bit more detail on how your proposal would work? Or maybe if it's easier you can create a PR with your proposal and tag me there!

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@GabrielAnca no problem - I'll look at doing a PR over the weekend.

The general way it's implemented is by doing a require for ts-node and if that's successful enabling it as a register before requiring the config file, then disabling it afterwards.

The implementation generally ends up looking something like this:

let registerer;

export const loadTSConfig = (configPath: string) => {
  try {
    // eslint-disable-next-line @typescript-eslint/no-var-requires
    registerer ||= require('ts-node').register() as Service;
  } catch (e: any) {
    if (e.code === 'MODULE_NOT_FOUND') {
      throw new Error(
        `'ts-node' is required for TypeScript configuration files. Make sure it is installed\nError: ${e.message}`
      );
    }

    throw e;
  }

  registerer.enabled(true);

  // eslint-disable-next-line @typescript-eslint/no-var-requires
  const configObject = interopRequireDefault(require(configPath)).default;

  registerer.enabled(false);

  return configObject;
};

There's some variation depending on how the config loading is actually done which I've not looked at yet e.g. for postcss that was using a config loading library (cosmic-config, iirc) so it was implemented like above but as a loader (which the config library handled determining when to actually try and use that loader), whereas for jest we check if the config file we've found ends with .ts (and consider jest.config.ts as a valid config when searching on-disk) and call the config before disabling the registerer if it's a function so that dynamic imports still work.

(tbh it's getting to the point where I've been considering publishing a package for handling it, because of how similar the core code is 🙈)

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Looking over the codebase, I think it should be a matter of wrapping these lines in some logic mixed with the above.

What I can't see is an interface that defines what the config should look like as this is type any - @GabrielAnca is that something you could help with creating? (as I expect you probably know all the supported options and their types better than me at this point)

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@GabrielAnca I just realised that this is using TypeScript 3 - would you be interested in me upgrading it to use v4? (and prettier?)

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🎉 This issue has been resolved in version 3.4.0 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot 📦🚀

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