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@cerner/terra-toolkit-docs

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Contains documentation for packages in the terra-toolkit monorepo

github.com/cerner/terra-toolkit

cerner/terra-toolkit

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# Jest Config Terra Upgrade Guide ## Upgrading from v2 to v3 jest-config-terra v3 utilizes Jest 29. The following updates will be needed in order to consume `jest-config-terra@3`: - Update to Node 14. - Regenerate all Jest snapshots. If there are any additional test failures, please refer to the Jest upgrade guides to see what additional changes may be needed: - [Jest 27 to 28 upgrade guide](https://jest-archive-august-2023.netlify.app/docs/28.x/upgrading-to-jest28/) - [Jest 28 to 29 upgrade guide](https://jestjs.io/docs/upgrading-to-jest29) Note: If upgrading from `jest-config-terra@1`, then it may be helpful to interatively upgrade to 2 than 3. ## Upgrading from v1 to v2 `jest-config-terra` uses Jest 27 in v2. The following updates will be needed in order to consume `jest-config-terra@2`: - Update Jest and related Jest packages (i.e. `babel-jest`, `jest-mock`, etc.) to v27. - Tests utilizing fake timers may fail and need to be updated per the [Jest docs](https://jestjs.io/docs/timer-mocks#enable-fake-timers). Refer to the [Jest 27 upgrade guide](https://jestjs.io/blog/2021/05/25/jest-27) for any additional changes.