fix: cache-bust GraphQL requests made with graphQLFetch()

[angeloashmore]

Types of changes

• Chore (a non-breaking change which is related to package maintenance)
• Bug fix (a non-breaking change which fixes an issue)
• New feature (a non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Description

This PR cache-busts GraphQL requests made with graphQLFetch(). It does this by including the request's ref as a URL parameter.

The Prismic GraphQL API ignores the ref parameter; the API reads the ref from a header named Prismic-ref.

Without this PR, re-running a query may return a locally cached response, even when after the ref changes. This happens because caches typically do not take into account headers when caching requests.

Related: prismicio/apollo-link-prismic#39

Checklist:

• My change requires an update to the official documentation.
• All TSDoc comments are up-to-date and new ones have been added where necessary.
• All new and existing tests are passing.

🕸️

[codecov-commenter]

Codecov Report

Merging #227 (c26b494) into master (4d90494) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##            master      #227   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           23        23           
  Lines          359       360    +1     
  Branches        67        67           
=========================================
+ Hits           359       360    +1     

Impacted Files	Coverage Δ
src/client.ts	100.00% <100.00%> (ø)

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[github-actions]

size-limit report 📦

Path	Size
dist/index.js	4.03 KB (+0.2% 🔺)
dist/index.cjs	6.86 KB (+0.15% 🔺)

[angeloashmore]

Published as an alpha at v6.4.1-alpha.1.