<filename>jest.config.json
{
  "moduleFileExtensions": ["js", "jsx"],
  "moduleDirectories": ["node_modules", "."],
  "moduleNameMapper": {
    "\\.(css|scss)$": "identity-obj-proxy",
    "^.+\\.(gif|ttf|eot|svg|woff|woff2|ico)$": "<rootDir>/tools/fileMock.js"
  }
}
