[Snyk] Security upgrade jest from 29.7.0 to 30.0.0

[rvu-snyk]

Snyk has created this PR to fix 1 vulnerabilities in the npm dependencies of this project.

Snyk changed the following file(s):

• packages/koa-zipkin/package.json
• packages/koa-zipkin/package-lock.json

Vulnerabilities that will be fixed with an upgrade:

	Issue	Score
	Missing Release of Resource after Effective Lifetime SNYK-JS-INFLIGHT-6095116	631

Breaking Change Risk

Notice: This assessment is enhanced by AI.

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[rvu-snyk]

The upgrade to Jest v30.0.0 is a major version with numerous breaking changes that will require developer action, code modifications, and configuration updates.

Key Breaking Changes:

• Environment Support: Support for Node.js versions 14, 16, 19, and 21 has been dropped. The minimum required TypeScript version is now 5.4.
• jest-environment-jsdom Upgrade: The underlying jsdom library was upgraded from v21 to v26. This introduces significant changes, most notably making it impossible to mock window.location using Object.defineProperty. Tests relying on this pattern will break.
• Removed API Aliases: Deprecated expect aliases have been removed (e.g., toBeCalled() is now toHaveBeenCalled()). Code using these aliases must be updated. An autofixer is available via eslint-plugin-jest.
• Snapshot Updates Required: The format of snapshot files has changed, which will require all existing snapshots to be updated upon upgrade.
• CLI Flag Renamed: The --testPathPattern command-line argument has been renamed to --testPathPatterns. Any scripts using the old flag must be updated.
• Matcher Behavior: The toEqual matcher and others now exclude non-enumerable properties by default, which could alter the outcome of existing assertions.

Recommendation: This upgrade involves mandatory code and configuration changes. Developers should review the official migration guide, run the eslint-plugin-jest autofixer for alias updates, and be prepared to update all snapshots. Special attention should be paid to tests that mock window.location as they will require refactoring.

Source: Jest 30 Release Notes

Notice 🤖: This content was augmented using artificial intelligence. AI-generated content may contain errors and should be reviewed for accuracy before use.