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changesets: added changeset for moving to next tests by default

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Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>
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Patrik Oldsberg
2022-12-08 23:22:53 +01:00
parent 00196b700c
commit 736f893f72
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.changeset/neat-insects-share.md
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'@backstage/cli': minor
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The Jest configuration that was previously enabled with `BACKSTAGE_NEXT_TESTS` is now enabled by default. To revert to the old configuration you can now instead set `BACKSTAGE_OLD_TESTS`.
This new configuration uses the `babel` coverage provider rather than `v8`. It used to be that `v8` worked better when using Sucrase for transpilation, but now that we have switched to SWC, `babel` seems to work better. In addition, the new configuration also enables source maps by default, as they no longer have a negative impact on code coverage accuracy, and it also enables a modified Jest runtime with additional caching of script objects.