jest.config.js

const { pathsToModuleNameMapper } = require("ts-jest/utils");
const { compilerOptions } = require("./tsconfig");
const filesExts = require("./config/filesExts");

module.exports = {
  preset: "ts-jest",
  errorOnDeprecated: true,
  coverageReporters: ["json-summary", "text", "html"],
  testMatch: ["**/__tests__/**/*.ts?(x)", "**/?(*.)+(spec).ts?(x)"],
  moduleFileExtensions: ["ts", "tsx", "js", "jsx", "json"],
  collectCoverageFrom: ["src/**/*.ts?(x)", "!src/**/*.stories.ts?(x)"],
  modulePaths: ["<rootDir>/"],
  setupFilesAfterEnv: ["<rootDir>/__utils__/setupFramework.ts"],
  setupFiles: ["jest-date-mock", "<rootDir>/__utils__/setupTests.ts"],
  moduleNameMapper: {
    // https://jestjs.io/docs/en/webpack#handling-static-assets
    "\\.md$": "<rootDir>/__mocks__/mdMock.js",
    [`\\.(${filesExts.join("|")})$`]: "<rootDir>/__mocks__/fileMock.js",
    ...pathsToModuleNameMapper(compilerOptions.paths || {}, {
      prefix: "<rootDir>/",
    }),
  },
  globals: {
    "ts-jest": { isolatedModules: true },
  },
};