jest.config.js

module.exports = {
  roots: ["src"],
  setupFilesAfterEnv: ["./jest.setup.ts"],
  moduleFileExtensions: ["ts", "tsx", "js"],
  testPathIgnorePatterns: ["node_modules/"],
  transform: {
    "^.+\\.tsx?$": "ts-jest"
  },
  testMatch: ["**/*.test.(ts|tsx)"],
  moduleNameMapper: {
    // Mocks out all these file formats when tests are run.
    "\\.(jpg|ico|jpeg|png|gif|eot|otf|webp|svg|ttf|woff|woff2|mp4|webm|wav|mp3|m4a|aac|oga)$":
      "identity-obj-proxy",
    "\\.(css|less|scss|sass)$": "identity-obj-proxy"
  }
};