jest.config.ts

/*
 * For a detailed explanation regarding each configuration property and type check, visit:
 * https://jestjs.io/docs/configuration
 */

export default {

  // Automatically clear mock calls, instances, contexts and results before every test
  clearMocks: true,

  // Indicates whether the coverage information should be collected while executing the test
  collectCoverage: true,

  // An array of glob patterns indicating a set of files for which coverage information should be collected
  // collectCoverageFrom: undefined,

  // The directory where Jest should output its coverage files
  coverageDirectory: "coverage",

  // An array of regexp pattern strings used to skip coverage collection
  coveragePathIgnorePatterns: [
    "/node_modules/",
    "/dist/",
    "src/main.ts"
  ],

  // Indicates which provider should be used to instrument code for coverage
  coverageProvider: "v8",

  // A list of reporter names that Jest uses when writing coverage reports
  coverageReporters: [
    "lcov"
  ],

  // An object that configures minimum threshold enforcement for coverage results
  // coverageThreshold: undefined,

  // A path to a custom dependency extractor
  // dependencyExtractor: undefined,

  // Make calling deprecated APIs throw helpful error messages
  errorOnDeprecated: true,

  // An array of file extensions your modules use
  moduleFileExtensions: [
    "js",
    "ts"
  ],

  // The glob patterns Jest uses to detect test files
  testMatch: [
    "**/__tests__/**/*.test.ts",
  ],

  // A map from regular expressions to paths to transformers
  transform: {
    '^.+\\.ts$': 'ts-jest'
  },

  // Indicates whether each individual test should be reported during the run
  verbose: true,

};