jest.config.ts

/*
 * For a detailed explanation regarding each configuration property and type check, visit:
 * https://jestjs.io/docs/en/configuration.html
 */

export default {
  // Automatically clear mock calls and instances between every test
  clearMocks: true,

  // The directory where Jest should output its coverage files
  coverageDirectory: 'coverage',

  // An array of regexp pattern strings used to skip coverage collection
  coveragePathIgnorePatterns: [
    '/node_modules/',
  ],

  // Indicates which provider should be used to instrument code for coverage
  coverageProvider: 'v8',

  // An array of file extensions your modules use
  moduleFileExtensions: ['js', 'json', 'jsx', 'ts', 'tsx', 'node'],

  // A map from regular expressions to module names or to arrays of module names that allow to stub out resources with a single module
  moduleNameMapper: {
    '\\.(css|less|scss)$': '<rootDir>/__mocks__/styleMock.js',
    '\\.(gif|ttf|eot|svg)$': '<rootDir>/__mocks__/fileMock.js',
    '/@/(.*)$': '<rootDir>/$1',
  },

  // The root directory that Jest should scan for tests and modules within
  rootDir: './src',

  // The test environment that will be used for testing
  testEnvironment: 'jsdom',

  // The glob patterns Jest uses to detect test files
  testMatch: [
    '**/__tests__/**/*.[jt]s?(x)',
    '**/?(*.)+(spec|test).[tj]s?(x)',
  ],

  // A map from regular expressions to paths to transformers
  transform: {
    '^.+\\.vue$': 'vue-jest',
    '^.+\\.(t|j)sx?$': [
      'babel-jest', {
        presets: [
          [
            '@babel/preset-env',
            {
              targets: {
                node: true,
              },
            },
          ],
          '@babel/preset-typescript',
        ],
        plugins: [
          '@vue/babel-plugin-jsx',
          // '@babel/plugin-proposal-class-properties',
        ],
      },
    ],
  },
}