jest.config.js

/* eslint-disable @typescript-eslint/no-var-requires */
/* eslint-disable no-undef */
const { pathsToModuleNameMapper } = require("ts-jest/utils");
const config = require("./tsconfig.json");

const remappedPaths = pathsToModuleNameMapper(config.compilerOptions.paths, {
  prefix: "<rootDir>/",
});

module.exports = {
  transform: {
    "^.+\\.(t|j)sx?$": "ts-jest",
  },
  collectCoverageFrom: ["src/**/*.{js,jsx,ts,tsx}", "!src/**/*.d.ts"],
  testMatch: [
    "<rootDir>/src/**/__tests__/**/*.{js,jsx,ts,tsx}",
    "<rootDir>/src/**/*.{spec,test}.{js,jsx,ts,tsx}",
  ],
  moduleFileExtensions: ["ts", "tsx", "js", "jsx", "json", "node"],
  moduleNameMapper: Object.keys(remappedPaths).reduce((acc, key) => {
    if (key === "^(.*)$") {
      return acc;
    }
    acc[key] = remappedPaths[key];
    return acc;
  }, {}),
};