Upgrade dependency @types/jest from ^29.0.0 to ^30.0.0 | Hypermod.io

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Automated update for @types/jest to version 30.0.0.

This guide outlines the key changes and steps necessary to upgrade @types/jest from version 29.0.0 to 30.0.0, focusing on breaking changes and improvements.

Description

Jest 30 introduces significant changes, particularly in matchers, TypeScript typings, and CLI configurations. The removal of alias matcher functions and improvements in type inference for CalledWith family matchers are key highlights. The upgrade requires attention to TypeScript errors and changes in configuration flags.

Workflow

Step 1

Update alias matcher names to canonical matchers.

// Before
expect(fn).toBeCalled();
// After
expect(fn).toHaveBeenCalled();

Step 2

Ensure Node.js version is compatible (>=18.x) and update TypeScript to >=5.4.

// Update your Node.js and TypeScript versions:
node -v
# Ensure >= 18.x
npm install typescript@^5.4.0 --save-dev

Step 3

Update your Jest configuration to reflect file extension and pattern changes.

// jest.config.js
module.exports = {
  testMatch: ['**/?(*.)(spec|test).[jt]s?(x)', '**/?(*.)(spec|test).{mts,cts}'],
  moduleFileExtensions: ['js', 'jsx', 'ts', 'tsx', 'mts', 'cts', 'json', 'node']
};

Step 4

Rename CLI flag --testPathPattern to --testPathPatterns.

// Update your CLI commands:
// Before
jest --testPathPattern='unit/.*'
// After
jest --testPathPatterns 'unit/.*'

Step 5

Replace removed jest.genMockFromModule with jest.createMockFromModule.

// Before
const mockFs = jest.genMockFromModule('fs');
// After
const mockFs = jest.createMockFromModule('fs');

Potential Issues

• Node.js versions below 18.x are not supported.
• Old matcher alias names will cause errors.
• TypeScript may block calls due to tighter type checks.

Other Dependencies

Dependencies potentially affected by the upgrade:

• typescript@^5.4.0
• jest@^30.0.0

References

• Upgrading Jest Documentation

Workflow:

• Upgrade Dependency
  • dependency-name: @types/jest
  • version: ^30.0.0
• @types/jest@30.0.0-matcher-alias-update
  • package: @types/jest
  • version: 30.0.0
• Upgrade Dependency
  • dependency-name: typescript
  • version: ^5.4.0
• @types/jest@30.0.0-config-pattern-update
  • package: @types/jest
  • version: 30.0.0
• @types/jest@30.0.0-cli-flag-update
  • package: @types/jest
  • version: 30.0.0
• @types/jest@30.0.0-mock-method-update
  • package: @types/jest
  • version: 30.0.0

PR created automatically by the Hypermod Dependency Bot configured by: Daniel Del Core.

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