jest.config.json

{
	"roots": ["<rootDir>/src"],
	"collectCoverageFrom": ["src/**/*.{js,jsx,ts,tsx}", "!src/**/*.d.ts"],
	"setupFiles": ["react-app-polyfill/jsdom"],
	"setupFilesAfterEnv": ["<rootDir>/src/setupTests.js"],
	"testMatch": [
		"<rootDir>/src/**/__tests__/**/*.{js,jsx,ts,tsx}",
		"<rootDir>/src/**/*.{spec,test}.{js,jsx,ts,tsx}"
	],
	"testEnvironment": "jest-environment-jsdom-fourteen",
	"transform": {
		"^.+\\.(js|jsx|ts|tsx)$": "<rootDir>/node_modules/babel-jest",
		"^.+\\.css$": "<rootDir>/config/jest/cssTransform.js",
		"^(?!.*\\.(js|jsx|ts|tsx|css|json)$)": "<rootDir>/config/jest/fileTransform.js"
	},
	"transformIgnorePatterns": [
		"[/\\\\]node_modules[/\\\\].+\\.(js|jsx|ts|tsx)$",
		"^.+\\.module\\.(css|sass|scss)$"
	],
	"modulePaths": [],
	"moduleNameMapper": {
		"^react-native$": "react-native-web",
		"^.+\\.module\\.(css|sass|scss)$": "identity-obj-proxy"
	},
	"moduleFileExtensions": [
		"web.js",
		"js",
		"web.ts",
		"ts",
		"web.tsx",
		"tsx",
		"json",
		"web.jsx",
		"jsx",
		"node"
	],
	"watchPlugins": ["jest-watch-typeahead/filename", "jest-watch-typeahead/testname"]
}