jest.config.js

// The MIT License (MIT)

// Copyright (c) 2018 GitHub, Inc. and contributors

// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:

// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

// See: https://jestjs.io/docs/configuration

/** @type {import('ts-jest').JestConfigWithTsJest} **/
export default {
    clearMocks: true,
    collectCoverage: true,
    collectCoverageFrom: ['./src/**'],
    coverageDirectory: './coverage',
    coveragePathIgnorePatterns: ['/node_modules/', '/dist/'],
    coverageReporters: ['json-summary', 'text', 'lcov'],
    // Uncomment the below lines if you would like to enforce a coverage threshold
    // for your action. This will fail the build if the coverage is below the
    // specified thresholds.
    // coverageThreshold: {
    //   global: {
    //     branches: 100,
    //     functions: 100,
    //     lines: 100,
    //     statements: 100
    //   }
    // },
    extensionsToTreatAsEsm: ['.ts'],
    moduleFileExtensions: ['ts', 'js'],
    preset: 'ts-jest',
    reporters: ['default'],
    resolver: 'ts-jest-resolver',
    testEnvironment: 'node',
    testMatch: ['**/*.test.ts'],
    testPathIgnorePatterns: ['/dist/', '/node_modules/'],
    transform: {
        '^.+\\.ts$': [
            'ts-jest',
            {
                tsconfig: 'tsconfig.eslint.json',
                useESM: true
            }
        ]
    },
    verbose: true
};