jest.config.js
// For a detailed explanation regarding each configuration property, visit:
// https://jestjs.io/docs/en/configuration.html
module.exports = {
// Automatically clear mock calls and instances between every test
clearMocks: true,
// An array of glob patterns indicating a set of files for which coverage information should be collected
collectCoverageFrom: ['src/js/**/*.js'],
// The directory where Jest should output its coverage files
coverageDirectory: 'coverage',
// An array of file extensions your modules use
moduleFileExtensions: ['js'],
moduleNameMapper: {
'.+\\.(css|styl|less|sass|scss)$': '<rootDir>/__mocks__/styleMock.js'
},
// The path to a module that runs some code to configure or set up the testing framework before each test
setupFilesAfterEnv: ['<rootDir>/test/unit/setupTests.js'],
testEnvironment: 'jsdom',
testPathIgnorePatterns: ['/node_modules/', '/test/cypress/'],
// A map from regular expressions to paths to transformers
transform: {
'^.+\\.js$': 'babel-jest'
}
};