build(deps): bump @apollo/client from 3.13.9 to 4.0.0

[dependabot]

Bumps @apollo/client from 3.13.9 to 4.0.0.

Release notes

Sourced from @​apollo/client's releases.

@​apollo/client@​4.0.0

Apollo Client 4.0 Release Notes

Apollo Client 4.0 delivers a more modern, efficient, and type-safe GraphQL client experience through various architectural improvements and API refinements. This release focuses on developer experience, bundle size optimization, and framework flexibility.

Key Improvements

🎯 Framework-Agnostic Core

Apollo Client 4.0 separates React functionality from the core library, making @apollo/client truly framework-agnostic. React exports now live in @apollo/client/react, allowing developers to use Apollo Client with any JavaScript framework without React dependencies.

📦 Smaller Bundle Sizes

• Opt-in Local State Management: The @client directive functionality is now opt-in via the LocalState class, reducing bundle size when not using local state
• Modern Build Target: Transpiled to target since 2023, node >= 20, not dead, leveraging modern JavaScript features for better performance
• Improved Tree-Shaking: Proper exports field in package.json enables better dead code elimination

💥 Unified Error Handling

Apollo Client 4.0 completely reimagines error handling for better clarity and debugging:

• ApolloError removed in favor of specific error classes
• Unification of errors to a single error property
• Network errors now respect errorPolicy settings
• External errors passed through without wrapping
• New, more granular error classes with static .is() methods for robust type narrowing

🔧 Enhanced TypeScript Support

• Namespaced Types: Types are now colocated with their APIs (e.g., useQuery.Options instead of QueryHookOptions)
• Precise Return Types: Return types accurately reflect the options passed (e.g., returnPartialData makes data type DeepPartial<TData>)
• Stricter Type Safety: Required variables are now enforced more consistently throughout the client
• New dataState Property: Enables accurate type narrowing of query results
• Module Augmentation: Custom context types via declaration merging instead of fragile generics
• Customizable Type Implementations: Select types can now be customized to provide your own type implementation to seamlessly integrate with external tools such as GraphQL Codegen or gql.tada

⚡ Modern Observable Implementation

Apollo Client 4.0 migrates from zen-observable to RxJS, providing the industry-standard Observable implementation backed by a rich ecosystem of utilities.

Major Features

Unified Error Handling

Apollo Client 4.0 completely reimagines error handling for better clarity and debugging:

Key Changes:

• ApolloError removed in favor of specific error classes
• Network errors now respect errorPolicy settings

... (truncated)

Changelog

Sourced from @​apollo/client's changelog.

4.0.0

Apollo Client 4.0 Release Notes

Apollo Client 4.0 delivers a more modern, efficient, and type-safe GraphQL client experience through various architectural improvements and API refinements. This release focuses on developer experience, bundle size optimization, and framework flexibility.

Key Improvements

🎯 Framework-Agnostic Core

Apollo Client 4.0 separates React functionality from the core library, making @apollo/client truly framework-agnostic. React exports now live in @apollo/client/react, allowing developers to use Apollo Client with any JavaScript framework without React dependencies.

📦 Smaller Bundle Sizes

• Opt-in Local State Management: The @client directive functionality is now opt-in via the LocalState class, reducing bundle size when not using local state
• Modern Build Target: Transpiled to target since 2023, node >= 20, not dead, leveraging modern JavaScript features for better performance
• Improved Tree-Shaking: Proper exports field in package.json enables better dead code elimination

💥 Unified Error Handling

Apollo Client 4.0 completely reimagines error handling for better clarity and debugging:

• ApolloError removed in favor of specific error classes
• Unification of errors to a single error property
• Network errors now respect errorPolicy settings
• External errors passed through without wrapping
• New, more granular error classes with static .is() methods for robust type narrowing

🔧 Enhanced TypeScript Support

• Namespaced Types: Types are now colocated with their APIs (e.g., useQuery.Options instead of QueryHookOptions)
• Precise Return Types: Return types accurately reflect the options passed (e.g., returnPartialData makes data type DeepPartial<TData>)
• Stricter Type Safety: Required variables are now enforced more consistently throughout the client
• New dataState Property: Enables accurate type narrowing of query results
• Module Augmentation: Custom context types via declaration merging instead of fragile generics
• Customizable Type Implementations: Select types can now be customized to provide your own type implementation to seamlessly integrate with external tools such as GraphQL Codegen or gql.tada

⚡ Modern Observable Implementation

Apollo Client 4.0 migrates from zen-observable to RxJS, providing the industry-standard Observable implementation backed by a rich ecosystem of utilities.

Major Features

Unified Error Handling

Apollo Client 4.0 completely reimagines error handling for better clarity and debugging:

Key Changes:

• ApolloError removed in favor of specific error classes

... (truncated)

Commits

• c6ec3eb Version Packages (#12862)
• 07d4d60 Exit prerelease mode
• 2d1627c Merge pull request #12201 from apollographql/release-4.0
• c6ae39c start work on the migration guide (#12836)
• 37f03ce adjust sidebar for v3/v4 (#12861)
• dd0b59a Merge remote-tracking branch 'origin/main' into release-4.0
• cdcd7ed Version Packages (#12855)
• 6440e8b last-minute codemod tweaks and corrections (#12858)
• 17b665e Chores
• ed3dec6 Merge remote-tracking branch 'origin/main' into release-4.0
• Additional commits viewable in compare view

Most Recent Ignore Conditions Applied to This Pull Request

Dependency Name	Ignore Conditions
@apollo/client	[< 3.13, > 3.12.2]

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 75.04%. Comparing base (548b804) to head (a2d1d20).
⚠️ Report is 24 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #2330   +/-   ##
=======================================
  Coverage   75.04%   75.04%           
=======================================
  Files         275      275           
  Lines       18940    18940           
  Branches     1783     1783           
=======================================
  Hits        14213    14213           
  Misses       4683     4683           
  Partials       44       44           

Flag	Coverage Δ
backend	99.67% <ø> (ø)

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[pylipp]

also #2341

[dependabot]

Superseded by #2353.