jest.config.js

module.exports = {
  projects: [
    {
      displayName: 'Node',
      coverageDirectory: "coverage",
      coveragePathIgnorePatterns: ["node_modules/", "dist/"],
      moduleDirectories: ["node_modules"],
      moduleFileExtensions: ["ts", "js"],
      testEnvironment: "node",
      testMatch: ["<rootDir>/packages/**/*.test.ts"],
      testPathIgnorePatterns: ["/node_modules/", "/dist/", "/packages/browser/", "/packages/edge/"],
      transform: {
        "^.+\\.ts$": ["ts-jest", "tsconfig.json"]
      },
    },
    {
      displayName: 'Browser',
      coverageDirectory: "coverage",
      coveragePathIgnorePatterns: ["node_modules/", "dist/"],
      moduleDirectories: ["node_modules"],
      moduleFileExtensions: ["ts", "js"],
      testEnvironment: "jsdom",
      testMatch: ["<rootDir>/packages/browser/**/*.test.ts"],
      testPathIgnorePatterns: ["/node_modules/", "/dist/"],
      transform: {
        "^.+\\.ts$": ["ts-jest", "tsconfig.json"]
      },
    },
    {
      displayName: 'Edge',
      coverageDirectory: "coverage",
      coveragePathIgnorePatterns: ["node_modules/", "dist/"],
      moduleDirectories: ["node_modules"],
      moduleFileExtensions: ["ts", "js"],
      testEnvironment: "@edge-runtime/jest-environment",
      testMatch: ["<rootDir>/packages/edge/**/*.test.ts"],
      testPathIgnorePatterns: ["/node_modules/", "/dist/"],
      transform: {
        "^.+\\.ts$": ["ts-jest", "tsconfig.json"]
      },
    },
  ]
};