The Jest philosophy is to work great by default, but sometimes you just need more configuration power.| jestjs.io
One of Jest's philosophies is to provide an integrated “zero-configuration” experience. We want to make it as frictionless as possible to write good tests that are useful. We observed that when engineers are provided with ready-to-use tools, they end up writing more tests, which in turn results in stable and healthy code bases.| jestjs.io