jest.config.js

// force timezone to UTC to allow tests to work regardless of local timezone
// generally used by snapshots, but can affect specific tests
process.env.TZ = "UTC";

const {
  grafanaESModules,
  nodeModulesToTransform,
} = require("./.config/jest/utils");

module.exports = {
  // Jest configuration provided by Grafana scaffolding
  ...require("./.config/jest.config"),
  collectCoverageFrom: [
    "src/**/*.{js,jsx,ts,tsx}",
    "!**/node_modules/**",
    "!**/__mocks__/**",
    "!**/__tests__/**",
  ],
  testMatch: [
    //"<rootDir>/src/**/__tests__/**/*.{js,jsx,ts,tsx}",
    "<rootDir>/src/**/*.{spec,test,jest}.{js,jsx,ts,tsx}",
    "<rootDir>/src/**/*.{spec,test,jest}.{js,jsx,ts,tsx}",
  ],
  coverageReporters: ["html", "text", "text-summary", "cobertura"],
  // Transform ESM packages that are now used by @grafana packages
  transformIgnorePatterns: [
    nodeModulesToTransform([
      ...grafanaESModules,
      "marked",
      "react-calendar",
      "react-date-picker",
      "get-user-locale",
      "memoize",
      "mimic-function",
      "@wojtekmaj",
    ]),
  ],
};