jest.config.js

module.exports = {
  preset: 'ts-jest',
  setupFilesAfterEnv: ['<rootDir>src/setupTests.ts'],
  moduleDirectories: ['node_modules', 'src'],
  moduleNameMapper: {
    '\\.(jpg|jpeg|png|gif|eot|otf|webp|svg|ttf|woff|woff2|mp4|webm|wav|mp3|m4a|aac|oga)$':
      '<rootDir>/tests/__mocks__/fileMock.js',
    '\\.(css|less|scss|sass)$': '<rootDir>/tests/__mocks__/styleMock.js',
  },
  transform: {
    '^.+\\.(ts|tsx)?$': 'ts-jest',
    '^.+\\.(js|jsx)$': 'babel-jest',
  },
  collectCoverageFrom: [
    'src/**/*.{js,jsx,ts,tsx}',
    '!src/**/*/*.d.ts',
    '!src/**/*/Loadable.{js,jsx,ts,tsx}',
    '!src/**/*/messages.ts',
    '!src/**/*/types.ts',
    '!src/index.tsx',
  ],
  coverageThreshold: {
    global: {
      branches: 90,
      functions: 90,
      lines: 90,
      statements: 90,
    },
  },
  setupFilesAfterEnv: ['<rootDir>src/setupTests.ts'],
  moduleDirectories: ['node_modules', 'src'],
  moduleNameMapper: {
    '\\.(jpg|jpeg|png|gif|eot|otf|webp|svg|ttf|woff|woff2|mp4|webm|wav|mp3|m4a|aac|oga)$':
      '<rootDir>/tests/__mocks__/fileMock.js',
    '\\.(css|less|scss|sass)$': '<rootDir>/tests/__mocks__/styleMock.js',
  },
};