Updates itty-router to v4.x and adds isomorphic-fetch to test suite f…

[kwhitley]

Changes

• Updates internal itty-router dependency from 3.x to 4.x
• Uses direct/tree-shake import itty-router/cjs/Router to minimize bundle size
• Adds isomorphic-fetch import to test files for Response support with contributors

That's it!

Should be a seamless change for your users :)

[github-actions[bot]]

🧪 A prerelease is available for testing 🧪

You can install this latest build in your project with:

npm install --save https://prerelease-registry.devprod.cloudflare.dev/itty-router-openapi/runs/5280175720/npm-package-itty-router-openapi-60

Or you can immediately run this with npx:

npx https://prerelease-registry.devprod.cloudflare.dev/itty-router-openapi/runs/5280175720/npm-package-itty-router-openapi-60

[G4brym]

Thanks @kwhitley for doing this work 😄 i will do some manual tests tomorrow and publish a new release early next week with this changes

[kwhitley]

Happy to! I'm still fighting with making sure the exports are CJS/ESM compatible in all the various configs... if pathing/include changes in the near term, I'll be sure to PR again if any changes are needed on this side :)

[G4brym]

Hey @kwhitley i had to update your changes to import from itty-router instead of itty-router/cjs/Router as you have made in this pr, due to some execeptions that were getting raised when running this new version in wrangler Here is the commit