V16: Documents Fetch and http-client in the Backoffice

[iOvergaard]

Description

Documents Fetch and http-client in the Backoffice

Type of suggestion

• Typo/grammar fix
• Updated outdated content
• New content
• Updates related to a new version
• Other

Product & version (if relevant)

16.0.0

Deadline (if relevant)

ASAP

[Copilot]

Pull Request Overview

This PR introduces new documentation for fetching data in the Backoffice, covering both the HTTP Client wrapper and the native Fetch API.

• Adds a new HTTP Client guide with code examples on GET requests, error handling via tryExecute, and request cancellation.
• Provides a Fetch API guide with usage examples including authentication and error handling.
• Updates the documentation overview (README and SUMMARY) to reflect these new guides.

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated no comments.

File	Description
16/umbraco-cms/customizing/foundation/fetching-data/http-client.md	New guide on using the Backoffice HTTP Client including cancellation support and tryExecute usage.
16/umbraco-cms/customizing/foundation/fetching-data/fetch-api.md	New guide that demonstrates using the Fetch API with authentication and tryExecute for the Management API.
16/umbraco-cms/customizing/foundation/fetching-data/README.md	Overview page linking the new Fetch API and HTTP Client guides.
16/umbraco-cms/SUMMARY.md	Summary updated to include the new Fetching Data documentation topics.

Comments suppressed due to low confidence (2)

16/umbraco-cms/customizing/foundation/fetching-data/http-client.md:64

• The variable 'request' is not defined before being used with tryExecute. Please define 'request' (for example, by assigning the result of umbHttpClient.get({...})) to ensure the code sample works as intended.

tryExecute(this, request, { 

16/umbraco-cms/customizing/foundation/fetching-data/fetch-api.md:124

• The error variable is not defined in this context; please use response.error in the console.error statement to correctly reference the error returned by tryExecute.

console.error('There was a problem with the fetch operation:', error); 

[Copilot]

Pull Request Overview

This PR adds new documentation for fetching data in the Backoffice by introducing guides on the Fetch API, the Umbraco HTTP Client, the tryExecute function, and generating a custom HTTP client using @hey-api/openapi-ts.

• Introduces a new "Fetching Data" section with detailed examples and explanations.
• Updates the SUMMARY to include the new sections and links to relevant documentation.

Reviewed Changes

Copilot reviewed 7 out of 7 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
16/umbraco-cms/customizing/foundation/working-with-data/README.md	Removed a deprecated warning hint to streamline the content.
16/umbraco-cms/customizing/foundation/fetching-data/try-execute.md	Adds a comprehensive guide to executing requests with error handling and cancellation.
16/umbraco-cms/customizing/foundation/fetching-data/http-client.md	Provides documentation on using the Umbraco HTTP Client with code examples.
16/umbraco-cms/customizing/foundation/fetching-data/fetch-api.md	New documentation detailing the Fetch API usage including authentication examples.
16/umbraco-cms/customizing/foundation/fetching-data/custom-generated-client.md	Introduces instructions on generating a custom client using @hey-api/openapi-ts.
16/umbraco-cms/customizing/foundation/fetching-data/README.md	Offers an overview of the methods available to fetch data in the Backoffice.
16/umbraco-cms/SUMMARY.md	Updates the SUMMARY file to incorporate the new "Fetching Data" section and its subsections.

[leekelleher]

From a technical perspective, I'm happy with the Fetch docs. Great work! 🚀