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Challenge

Follow these steps to create a new API endpoint in this codebase:

  • create a new branch from master.

  • use this public endpoint to pull breeds of dogs

  • in src/lambdas, add a new handler module, in a file called something like breeds-get.ts, along with a breeds-get.test.ts.

  • use node-fetch (already installed) to pull from the dogs-list endpoint.

  • organize the files and directory structure in a way that could scale if the codebase were to grow.

  • the endpoint handler should return a response object, containing a list of all breeds as a flat array of strings. If a breed does not have sub-breeds include the breed. If a breed has sub-breeds include each sub-breed as a separate element. For example, english sheepdog, shetland sheepdog and beagle should all be on the list. However, sheepdog should not be included.

  • in your handler tests breeds-get.test.ts, create a way to mock the results of the external API call, so the handler can be tested without an internet connection.

  • test the happy path.

  • test the case of the external call timing out.

  • run yarn lint and yarn build to check for warnings and errors. The challenge is not complete until issues are addressed, either through fixing the code, or leaving a comment in the code to explain why it is not fixed. Do not change the lint or Typescript configuration, as part of the challenge is to work within a set of rules, to simulate real working conditions.

  • submit a pull request in your repository, with a descriptive message, and no more than a few commits (each with a clear purpose).

  • before the next interview, we will provide PR feedback, to give you a chance to improve your solution before the call.

  • feel free to ask questions, as we want to simulate working with the team.

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