jest.config.ts

import { pathsToModuleNameMapper } from 'ts-jest';
import type { JestConfigWithTsJest } from 'ts-jest';

import { compilerOptions } from './tsconfig.paths.json';

export default {
    roots: [
        "<rootDir>/src",
        "<rootDir>",
    ],
    preset: "ts-jest",
    setupFilesAfterEnv: [
        "./src/setupTests.ts",
    ],
    testEnvironment: "jest-environment-jsdom",
    modulePaths: [compilerOptions.baseUrl],
    testMatch: [
        "**/?(*.)+(spec).+(ts|tsx|js)",
    ],
    transform: {
        "^.+\\.(ts|tsx)$": "ts-jest",
        "^.+\\.ts$": "ts-jest",
    },
    transformIgnorePatterns: [
        "/node_modules/(?!lodash-es)",
    ],
    moduleNameMapper: {
        ...pathsToModuleNameMapper(compilerOptions.paths, { prefix: '<rootDir>/' }),
        "\\.(css|less|scss|sass)$": "identity-obj-proxy",
    },
    moduleDirectories: [
        "node_modules",
        "src",
    ],
    globals: {
        "ts-jest": {
            "tsconfig": "tsconfig.json",
        },
    },
} as JestConfigWithTsJest;