jest.config.js

module.exports = {
  coverageThreshold: {
    global: {
      branches: 70,
      functions: 70,
      lines: 70,
    },
  },
  collectCoverage: true,
  collectCoverageFrom: [
    "**/*.{js,jsx,ts,tsx}",
    "!**/*.d.ts",
    "!**/node_modules/**",
    "!**/.next/**",
    "!.**",
    "!**.config.**",
    "!coverage/**",
    "!src/theme.js",
    "!src/pages/_app.tsx",
    "!src/backend/client/apollo/apollo-client.ts",
    "!src/backend/resources/**",
    "!src/types/**",
    "!_mocks_/**",
  ],
  moduleNameMapper: {
    /* Handle CSS imports (with CSS modules)
        https://jestjs.io/docs/webpack#mocking-css-modules */
    "^.+\\.module\\.(css|sass|scss)$": "identity-obj-proxy",

    // Handle CSS imports (without CSS modules)
    "^.+\\.(css|sass|scss)$": "<rootDir>/__mocks__/styleMock.js",

    /* Handle image imports
        https://jestjs.io/docs/webpack#handling-static-assets */
    "^.+\\.(jpg|jpeg|png|gif|webp|svg)$": "<rootDir>/__mocks__/fileMock.js",

    "^@/components/(.*)$": "<rootDir>/components/$1",
  },
  setupFilesAfterEnv: ["<rootDir>/jest.setup.js"],
  testPathIgnorePatterns: ["<rootDir>/node_modules/", "<rootDir>/.next/"],
  testEnvironment: "jsdom",
  transform: {
    /* Use babel-jest to transpile tests with the next/babel preset
        https://jestjs.io/docs/configuration#transform-objectstring-pathtotransformer--pathtotransformer-object */
    "^.+\\.(js|jsx|ts|tsx)$": ["babel-jest", { presets: ["next/babel"] }],
  },
  transformIgnorePatterns: [
    "/node_modules/",
    "^.+\\.module\\.(css|sass|scss)$",
  ],
};