jest.config.js

/**
 * Copyright 2020 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

module.exports = {
  clearMocks: true,
  moduleFileExtensions: ["js", "ts"],
  testEnvironment: "jest-environment-node", // includes fix for https://github.com/facebook/jest/issues/4422 and Buffers
  testMatch: ["**/*.test.ts"],
  testRunner: "jest-circus/runner",
  transform: {
    "^.+\\.ts$": "ts-jest"
  },
  verbose: true,
  collectCoverage: true,
  collectCoverageFrom: ["src/**/([a-zA-Z_]*).{js,ts}", "!**/*.test.{js,ts}"]
};