fix(healthcare): set responseType to JSON instead of Buffer in deleteFhirStore.js

[angelcaamal]

Description

Fixes #

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Checklist

• I have followed guidelines from CONTRIBUTING.MD and Samples Style Guide
• Tests pass: npm test (see Testing)
• Lint pass: npm run lint (see Style)
• Required CI tests pass (see CI testing)
• These samples need a new API enabled in testing projects to pass (let us know which ones)
• These samples need a new/updated env vars in testing projects set to pass (let us know which ones)
• This pull request is from a branch created directly off of GoogleCloudPlatform/nodejs-docs-samples. Not a fork.
• This sample adds a new sample directory, and I updated the CODEOWNERS file with the codeowners for this sample
• This sample adds a new sample directory, and I created GitHub Actions workflow for this sample
• This sample adds a new Product API, and I updated the Blunderbuss issue/PR auto-assigner with the codeowners for this sample
• Please merge this PR for me once it is approved

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[gemini-code-assist]

Summary of Changes

Hello, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request addresses an issue in the deleteFhirStore.js sample by enhancing its robustness and ensuring proper API response handling. The changes involve configuring the API client to expect JSON responses and implementing error handling for the deletion operation, which improves the reliability and user experience of the sample.

Highlights

• API Client Configuration: The Google Auth client configuration for the Healthcare API now explicitly sets responseType to json.
• Error Handling: A try-catch block has been added around the FHIR store deletion operation to gracefully handle and log any potential errors during the process.

Changelog

• healthcare/fhir/deleteFhirStore.js
  • Set the responseType for the Google Auth client to json.
  • Wrapped the FHIR store deletion call in a try-catch block to log errors.

Activity

• No specific activity (comments, reviews, or progress updates) has been recorded for this pull request yet.

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[gemini-code-assist]

Code Review

This pull request correctly adds error handling to the deleteFhirStore.js sample and sets the response type to JSON. The suggested improvement ensures that the script properly signals failure to the operating system when an error occurs, which is crucial for scripting and automation, aligning with best practices for error handling without using process.exit().

[gemini-code-assist]

While adding try...catch is good for error handling, swallowing the error causes the script to exit with a success code (0) even when the deletion fails. This can be misleading for users or automated scripts. To correctly signal failure, you should set process.exitCode = 1 in the catch block. This signals an error without abruptly terminating the process, which is a better practice for command-line scripts.

    } catch (error) {
      console.error('Error deleting FHIR store:', error.message || error);
      process.exitCode = 1;
    }

References

1. The code logs the error as suggested by the rule, but it allows the script to terminate with a success status. This can be misleading. The suggestion to use process.exitCode allows signaling failure without abruptly terminating the process with process.exit().