jest.config.js

module.exports = {
  moduleFileExtensions: [
    'js',
    'jsx',
    'json',
    'vue',
  ],
  transform: {
    '^.+\\.vue$': 'vue-jest',
    '.+\\.(css|styl|less|sass|scss|svg|png|jpg|ttf|woff|woff2)$': 'jest-transform-stub',
    '^.+\\.jsx?$': 'babel-jest',
  },
  transformIgnorePatterns: [
    '/node_modules/',
  ],
  moduleNameMapper: {
    '^@/(.*)$': '<rootDir>/src/$1',
  },
  snapshotSerializers: [
    'jest-serializer-vue',
  ],
  testMatch: [
    '**/tests/unit/**/*.spec.(js|jsx|ts|tsx)|**/__tests__/*.(js|jsx|ts|tsx)',
  ],
  testURL: 'http://localhost/',
  watchPlugins: [
    'jest-watch-typeahead/filename',
    'jest-watch-typeahead/testname',
  ],
  collectCoverage: true,
  collectCoverageFrom: [
    'src/components/**/*.js',
    'src/utils/*.js',
    'src/mixins/*.js',
    // exclude node_modules
    '!**/node_modules/**',
    // exclude the root component app.vue
    '!src/App.vue',
    // exclude the examples component
    '!src/examples/**',
    '!src/**/index.js',
  ],
  coverageDirectory: '<rootDir>/tests/coverage/',
  coverageThreshold: {
    global: {
      branches: 90,
      functions: 90,
      lines: 90,
      statements: 90,
    },
    './src/**/*.js': {
      statements: 90,
    },
  },
};