tldr/pages/common/jest.md

jest

A zero-configuration JavaScript testing platform. More information: https://jestjs.io.

• Run all tests:

jest

• Run only tests with a name that matches the regex pattern:

jest -t {{spec_name}}

• Run only tests relating to uncommitted files:

jest --onlyChanged

• Watch files for changes and rerun related tests:

jest --watch

• Show help:

jest --help