jest.config.ts

import type { Config } from "jest";
import nextJest from "next/jest.js";

const createJestConfig = nextJest({
  // Provide the path to your Next.js app to load next.config.js and .env files in your test environment
  dir: "./",
});

// Add any custom config to be passed to Jest
const config: Config = {
  coverageProvider: "v8",
  testEnvironment: "jsdom",
  setupFilesAfterEnv: ["<rootDir>/jest.setup.ts"],
  moduleNameMapper: {
    "^@/(.*)$": "<rootDir>/src/$1",
  },
  testMatch: ["**/__tests__/**/*.test.[jt]s?(x)", "**/?(*.)+(spec|test).[jt]s?(x)"],
  collectCoverageFrom: [
    "src/**/*.{js,jsx,ts,tsx}",
    "!src/**/*.d.ts",
    "!src/**/*.stories.{js,jsx,ts,tsx}",
    "!src/**/__tests__/**",
  ],
  coverageThreshold: {
    global: {
      branches: 70,
      functions: 70,
      lines: 70,
      statements: 70,
    },
  },
};

// createJestConfig is exported this way to ensure that next/jest can load the Next.js config which is async
export default createJestConfig(config);