jest.config.ts

import type { JestConfigWithTsJest } from "ts-jest";

const jestConfig: JestConfigWithTsJest = {
  testPathIgnorePatterns: ["dist/"],
  roots: ["<rootDir>/src"],
  collectCoverageFrom: ["./src/**/*(?!.d).ts"],
  coverageReporters: ["html", "lcov", "text"],
  coverageDirectory: "./coverage",
  extensionsToTreatAsEsm: [".ts"],
  moduleNameMapper: {
    "^(\\.{1,2}/.*)\\.js$": "$1",
    "^src/(.*)$": "<rootDir>/src/$1",
  },
  transform: {
    // '^.+\\.[tj]sx?$' to process js/ts with `ts-jest`
    // '^.+\\.m?[tj]sx?$' to process js/ts/mjs/mts with `ts-jest`
    "^.+\\.tsx?$": [
      "ts-jest",
      {
        useESM: true,
      },
    ],
  },
  coverageThreshold: {
    global: {
      statements: 80,
      branches: 80,
      functions: 80,
      lines: 80,
    },
  },
};

export default jestConfig;