jest.config.js

/** @type {import('ts-jest/dist/types').InitialOptionsTsJest} */
module.exports = {
  bail: true,
  roots: ['<rootDir>/src'],
  preset: 'ts-jest',
  setupFilesAfterEnv: ['./jest.setup.js'],
  testEnvironment: 'jsdom',
  verbose: false,
  collectCoverageFrom: ['**/*.{js,jsx,ts,tsx}', '!**/*.d.ts', '!**/node_modules/**', '!**/examples/**'],
  coverageDirectory: 'coverage',
  coverageReporters: ['json'],
  coverageThreshold: {
    global: {
      branches: 1,
      functions: 1,
      lines: 1,
      statements: 1,
    },
  },
  transform: {
    '^.+\\.[tj]sx?$': [
      'babel-jest',
      {
        presets: [
          [
            '@babel/preset-react',
            {
              runtime: 'automatic',
            },
          ],
          '@babel/preset-typescript',
          [
            '@babel/preset-env',
            {
              targets: {
                browsers: ['last 2 Chrome versions'],
                node: 'current',
              },
            },
          ],
        ],
        plugins: [
          '@babel/plugin-proposal-class-properties',
          '@babel/plugin-proposal-private-methods',
          '@babel/plugin-proposal-optional-chaining',
          '@babel/plugin-proposal-nullish-coalescing-operator',
        ],
      },
    ],
  },
  moduleFileExtensions: ['js', 'ts', 'jsx', 'tsx'],
  moduleDirectories: ['node_modules'],
  moduleNameMapper: {
    '^konva': 'konva/konva',
    '^keymaster': 'identity-obj-proxy',
    '^react-konva-utils': 'identity-obj-proxy',
    '\\.(s[ac]ss|css|styl|svg|png|jpe?g)$': 'identity-obj-proxy',
  },
  testPathIgnorePatterns: ['/node_modules/', '/e2e/'],
  testRegex: '__tests__/.*.test.[tj]sx?',
  transformIgnorePatterns: ['node_modules/?!(nanoid|konva)'],
};