devdeps: bump jest from 30.0.5 to 30.3.0

[dependabot]

Bumps jest from 30.0.5 to 30.3.0.

Release notes

Sourced from jest's releases.

v30.3.0

Features

• [jest-config] Add defineConfig and mergeConfig helpers for type-safe Jest config (#15844)
• [jest-fake-timers] Add setTimerTickMode to configure how timers advance
• [*] Reduce token usage when run through LLMs (3f17932)

Fixes

• [jest-config] Keep CLI coverage output when using --json with --outputFile (#15918)
• [jest-mock] Use Symbol from test environment (#15858)
• [jest-reporters] Fix issue where console output not displayed for GHA reporter even with silent: false option (#15864)
• [jest-runtime] Fix issue where user cannot utilize dynamic import despite specifying --experimental-vm-modules Node option (#15842)
• [jest-test-sequencer] Fix issue where failed tests due to compilation errors not getting re-executed even with --onlyFailures CLI option (#15851)
• [jest-util] Make sure process.features.require_module is false (#15867)

Chore & Maintenance

• [*] Replace remaining micromatch uses with picomatch
• [deps] Update to sinon/fake-timers v15
• [docs] Update V30 migration guide to notify users on jest.mock() work with case-sensitive path (#15849)
• Updated Twitter icon to match the latest brand guidelines (#15869)

30.2.0

Chore & Maintenance

• [*] Update example repo for testing React Native projects (#15832)
• [*] Update jest-watch-typeahead to v3 (#15830)

Features

• [jest-environment-jsdom-abstract] Add support for JSDOM v27 (#15834)

Fixes

• [babel-jest] Export the TransformerConfig interface (#15820)
• [jest-config] Fix jest.config.ts with TS loader specified in docblock pragma (#15839)

30.1.3

Fixes

• Fix unstable_mockModule with node: prefixed core modules.

30.1.2

Fixes

• [jest-snapshot-utils] Correct snapshot header regexp to work with newline across OSes (#15803)

30.1.1

Fixes

... (truncated)

Changelog

Sourced from jest's changelog.

30.3.0

Features

• [jest-config] Add defineConfig and mergeConfig helpers for type-safe Jest config (#15844)
• [jest-fake-timers] Add setTimerTickMode to configure how timers advance
• [*] Reduce token usage when run through LLMs (3f17932)

Fixes

• [jest-config] Keep CLI coverage output when using --json with --outputFile (#15918)
• [jest-mock] Use Symbol from test environment (#15858)
• [jest-reporters] Fix issue where console output not displayed for GHA reporter even with silent: false option (#15864)
• [jest-runtime] Fix issue where user cannot utilize dynamic import despite specifying --experimental-vm-modules Node option (#15842)
• [jest-test-sequencer] Fix issue where failed tests due to compilation errors not getting re-executed even with --onlyFailures CLI option (#15851)
• [jest-util] Make sure process.features.require_module is false (#15867)

Chore & Maintenance

• [*] Replace remaining micromatch uses with picomatch
• [deps] Update to sinon/fake-timers v15
• [docs] Update V30 migration guide to notify users on jest.mock() work with case-sensitive path (#15849)
• Updated Twitter icon to match the latest brand guidelines (#15869)

30.2.0

Chore & Maintenance

• [*] Update example repo for testing React Native projects (#15832)
• [*] Update jest-watch-typeahead to v3 (#15830)

Features

• [jest-environment-jsdom-abstract] Add support for JSDOM v27 (#15834)

Fixes

• [jest-matcher-utils] Fix infinite recursion with self-referential getters in deepCyclicCopyReplaceable (#15831)
• [babel-jest] Export the TransformerConfig interface (#15820)
• [jest-config] Fix jest.config.ts with TS loader specified in docblock pragma (#15839)

30.1.3

Fixes

• Fix unstable_mockModule with node: prefixed core modules.

30.1.2

Fixes

... (truncated)

Commits

• efb59c2 v30.3.0
• 96c53d3 feat(jest-config): add defineConfig and mergeConfig functions (#15844)
• 855864e v30.2.0
• da9b532 v30.1.3
• ebfa31c v30.1.2
• d347c0f v30.1.1
• 4d5f41d v30.1.0
• See full diff in compare view

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Project	Deployment	Actions	Updated (UTC)
string-is	Ready	Preview, Comment	Apr 11, 2026 10:48am

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 83.19%. Comparing base (876703d) to head (a24db71).
⚠️ Report is 79 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2022   +/-   ##
=======================================
  Coverage   83.19%   83.19%           
=======================================
  Files         197      197           
  Lines        1988     1988           
  Branches      467      467           
=======================================
  Hits         1654     1654           
  Misses        326      326           
  Partials        8        8           

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